README.md

@@ -1,13 +1,13 @@
 # pan.do/ra - open media archive
 
-  for more information about pan.do/ra visit our website at https://pan.do/ra
+  for more information on pan.do/ra visit our website at https://pan.do/ra
 
 ## Installing pan.do/ra
 
-  We recommend to run pan.do/ra inside of LXD or LXC or dedicated VM or server.
+  we recommend to run pan.do/ra inside of LXD or LXC or dedicated VM or server.
   You will need at least 2GB of free disk space
 
-  pan.do/ra is known to work with Ubuntu 18.04, 20.04 and Debian/10 (buster),
+  pan.do/ra is known to work with Ubuntu 18.04 and Debian/10 (buster),
   other distributions might also work, let us know if it works for you.
 
   Use the following commands as root to install pan.do/ra and all dependencies:
@@ -16,7 +16,6 @@
 cd /root
 curl -sL https://pan.do/ra-install > pandora_install.sh
 chmod +x pandora_install.sh
-export BRANCH=stable # change to 'master' to get current developement version
 ./pandora_install.sh 2>&1 | tee pandora_install.log
 ```
 

ctl

@@ -1,18 +1,13 @@
 #!/bin/sh
 SERVICES="pandora pandora-tasks pandora-encoding pandora-cron pandora-websocketd"
 if [ -z "$1" ]; then
-    echo "Usage: $0 (start|stop|restart|reload|status)"
+    echo "Usage: $0 (start|stop|restart|reload)"
     exit 1
 else
     action="$1"
 fi
-self=`readlink "$0"`
-if [ -z $self ]; then
-    self="$0"
-fi
-
 if [ "$action" = "init" ]; then
-    cd "`dirname "$self"`"
+    cd "`dirname "$0"`"
     BASE=`pwd`
     SUDO=""
     PANDORA_USER=`ls -l update.py | cut -f3 -d" "`
@@ -48,27 +43,6 @@ if [ "$action" = "init" ]; then
     fi
     exit 0
 fi
-
-if [ "$action" = "manage" ]; then
-    cmd="pandora/manage.py"
-fi
-if [ "$action" = "update" ]; then
-    cmd="update.py"
-fi
-
-if [ ! -z $cmd ]; then
-    cd "`dirname "$self"`"
-    BASE=`pwd`
-    SUDO=""
-    PANDORA_USER=`ls -l update.py | cut -f3 -d" "`
-    if [ `whoami` != $PANDORA_USER ]; then
-        SUDO="sudo -H -u $PANDORA_USER"
-    fi
-    shift
-    $SUDO "$BASE/$cmd" $@
-    exit $?
-fi
-
 if [ `whoami` != 'root' ]; then
     echo you have to be root or run $0 with sudo
     exit 1
@@ -93,7 +67,6 @@ if [ "$action" = "install" ]; then
                 systemctl enable ${service}.service
             done
         fi
-        test -e /usr/local/bin/pandoractl || ln -s /srv/pandora/ctl /usr/local/bin/pandoractl
     else
         if [ -d /etc/init ]; then
             cp $BASE/etc/init/* /etc/init/
@@ -101,13 +74,6 @@ if [ "$action" = "install" ]; then
     fi
     exit 0
 fi
-if [ "status" = "$action" ]; then
-    export SYSTEMD_PAGER=
-fi
 for service in $SERVICES; do
-    if [ -x /bin/systemctl ]; then
+    service $service $action
-        /bin/systemctl $action $service
-    else
-        service $service $action
-    fi
 done

pandora/annotation/admin.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.contrib import admin
 

pandora/annotation/management/commands/import_srt.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 from django.conf import settings
 from django.contrib.auth import get_user_model

pandora/annotation/managers.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 import unicodedata
 
+from six import string_types
 from django.db.models import Q, Manager
 from oxdjango.query import QuerySet
 
@@ -67,7 +68,7 @@ def parseCondition(condition, user):
     else:
         key = k + get_operator(op, 'istr' if k in case_insensitive_keys else 'str')
     key = str(key)
-    if isinstance(v, str):
+    if isinstance(v, string_types):
         v = unicodedata.normalize('NFKD', v)
         if k not in case_sensitive_keys:
             v = v.lower()
@@ -157,7 +158,7 @@ class AnnotationManager(Manager):
         #anonymous can only see public items
         public_layers = self.model.public_layers()
 
-        if user.is_anonymous:
+        if user.is_anonymous():
             qs = qs.filter(layer__in=public_layers)
         #users can see public and own
         else:

pandora/annotation/models.py

@@ -1,8 +1,10 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import re
 import unicodedata
 
+from django.utils.encoding import python_2_unicode_compatible
 from django.db import models, transaction
 from django.db.models import Q
 from django.contrib.auth import get_user_model
@@ -81,15 +83,16 @@ def get_matches(obj, model, layer_type, qs=None):
         matches = [-1]
     return Annotation.objects.filter(id__in=matches)
 
+@python_2_unicode_compatible
 class Annotation(models.Model):
     objects = managers.AnnotationManager()
 
     #FIXME: here having a item,start index would be good
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
-    user = models.ForeignKey(User, related_name='annotations', on_delete=models.CASCADE)
+    user = models.ForeignKey(User, related_name='annotations')
-    item = models.ForeignKey('item.Item', related_name='annotations', on_delete=models.CASCADE)
+    item = models.ForeignKey('item.Item', related_name='annotations')
-    clip = models.ForeignKey('clip.Clip', null=True, related_name='annotations', on_delete=models.CASCADE)
+    clip = models.ForeignKey('clip.Clip', null=True, related_name='annotations')
 
     public_id = models.CharField(max_length=128, unique=True)
     #seconds
@@ -104,7 +107,7 @@ class Annotation(models.Model):
     languages = models.CharField(max_length=255, null=True, blank=True)
 
     def editable(self, user):
-        if user.is_authenticated:
+        if user.is_authenticated():
             if user.profile.capability('canEditAnnotations') or \
                self.user == user or \
                user.groups.filter(id__in=self.item.groups.all()).count() > 0:
@@ -397,7 +400,7 @@ class Annotation(models.Model):
         return j
 
     def __str__(self):
-        return "%s %s-%s" % (self.public_id, self.start, self.end)
+        return u"%s %s-%s" % (self.public_id, self.start, self.end)
 
 def cleanup_related(sender, **kwargs):
     kwargs['instance'].cleanup_undefined_relations()

pandora/annotation/tasks.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.conf import settings
 from django.contrib.auth import get_user_model

pandora/annotation/views.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.conf import settings
 from django.db.models import Count, Sum, F, Value

pandora/app/admin.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.contrib import admin
 

pandora/app/config.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import codecs
 import os
@@ -9,8 +10,8 @@ import sys
 import time
 from os.path import dirname, exists, join
 from glob import glob
-import _thread as thread
 
+from six.moves import _thread as thread
 from django.conf import settings
 from django.contrib.auth import get_user_model
 
@@ -28,16 +29,20 @@ RUN_RELOADER = True
 NOTIFIER = None
 
 def get_version():
+    info = join(dirname(dirname(dirname(__file__))), '.bzr', 'branch', 'last-revision')
     git_dir = join(dirname(dirname(dirname(__file__))), '.git')
     if exists(git_dir):
         env = {'GIT_DIR': git_dir}
         cmd = ['git', 'rev-list', 'HEAD', '--count']
-        version = subprocess.check_output(cmd, env=env).strip().decode('utf-8')
+        return subprocess.check_output(cmd, env=env).strip().decode('utf-8')
-        if settings.VERSION_EPOCH:
+    elif exists(info):
-            version = settings.VERSION_EPOCH + version
+        f = open(info)
-        return version
+        rev = int(f.read().split()[0])
+        f.close()
+        if rev:
+            return u'%s' % rev
     else:
-        return 'unknown'
+        return u'unknown'
 
 def load_config(init=False):
     with open(settings.SITE_CONFIG) as f:
@@ -394,7 +399,8 @@ def update_static():
 def update_geoip(force=False):
     path = os.path.join(settings.GEOIP_PATH, 'GeoLite2-City.mmdb')
     if not os.path.exists(path) or force:
-        index = ox.net.read_url('https://db-ip.com/db/download/ip-to-city-lite').decode()
+        url = 'http://geolite.maxmind.com/download/geoip/database/GeoLite2-City.mmdb.gz'
+        index = ox.net.read_url('https://db-ip.com/db/download/ip-to-country-lite').decode()
         match = re.compile('href=[\'"](http.*.mmdb.gz)').findall(index)
         if match:
             url = match[0]
@@ -404,7 +410,7 @@ def update_geoip(force=False):
                 os.unlink(path)
             os.system('gunzip "%s.gz"' % path)
         else:
-            print('failed to download GeoLite2-City.mmdb')
+            print('failed to download dbip-country-lite-2020-03.mmdb.gz')
 
 def init():
     if not settings.RELOADER_RUNNING:

pandora/app/documentation.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 import re
 import ox.jsonc

pandora/app/management/commands/init_db.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 from django.core.management.base import BaseCommand
 from django.conf import settings

pandora/app/management/commands/south_installed.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 from django.core.management.base import BaseCommand
 from django.db import connection

pandora/app/management/commands/update_config_documentation.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 from django.core.management.base import BaseCommand
 from django.conf import settings
 from ... import documentation

pandora/app/models.py

@@ -1,13 +1,16 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import json
 
 from django.db import models
+from django.utils.encoding import python_2_unicode_compatible
 
 from . import monkey_patch
 from . import tasks
 
 
+@python_2_unicode_compatible
 class Page(models.Model):
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
@@ -17,6 +20,7 @@ class Page(models.Model):
     def __str__(self):
         return self.name
 
+@python_2_unicode_compatible
 class Settings(models.Model):
 
     created = models.DateTimeField(auto_now_add=True)

pandora/app/monkey_patch.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import Group
@@ -13,17 +14,10 @@ config.init()
 
 NEW_LENGTH = {
     'username': 255,
-    'email': 254,
+    'email': 255,
     'password': 255,
 }
 
-def monkey_patch_groupname():
-    f = Group._meta.get_field('name')
-    f.max_length = 255
-    for v in f.validators:
-        if isinstance(v, MaxLengthValidator):
-            v.limit_value = 255
-
 def monkey_patch_username():
     for field in NEW_LENGTH:
         f = User._meta.get_field(field)
@@ -31,18 +25,22 @@ def monkey_patch_username():
         for v in f.validators:
             if isinstance(v, MaxLengthValidator):
                 v.limit_value = NEW_LENGTH[field]
-    monkey_patch_groupname()
+
+    f = Group._meta.get_field('name')
+    f.max_length = 255
+    for v in f.validators:
+        if isinstance(v, MaxLengthValidator):
+            v.limit_value = 255
 
 def apply_patch():
     from django.db import connection, transaction
     cursor = connection.cursor()
-    table = connection.introspection.get_table_description(cursor, Group._meta.db_table)
+    table = connection.introspection.get_table_description(cursor, User._meta.db_table)
     sql = []
     for row in table:
-        if row.name == 'name' and row.internal_size != 255:
+        if row.name in NEW_LENGTH and row.internal_size != NEW_LENGTH[row.name]:
-            sql.append('ALTER TABLE "%s" ALTER "%s" TYPE varchar(%d)' % (
+            sql.append('ALTER TABLE "%s" ALTER "%s" TYPE varchar(%d)' % (User._meta.db_table, row.name, NEW_LENGTH[row.name]))
-                Group._meta.db_table, row.name, 255)
+
-            )
     for q in sql:
         cursor.execute(q)
     if sql:

pandora/app/tasks.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import datetime
 

pandora/app/utils.py

@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, with_statement
+
 import time
 
 from .models import Settings

pandora/app/views.py

@@ -1,8 +1,10 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import copy
 from datetime import datetime
 
+from six import string_types
 from django.shortcuts import render, redirect
 from django.conf import settings
 from django.http import HttpResponse
@@ -112,7 +114,7 @@ def getPage(request, data):
     }
     see: editPage
     '''
-    if isinstance(data, str):
+    if isinstance(data, string_types):
         name = data
     else:
         name = data['name']

pandora/archive/admin.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.contrib import admin
 

pandora/archive/chunk.py

@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, with_statement
+
 import os
 
 import ox

pandora/archive/external.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import json
 import subprocess

pandora/archive/extract.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import os
 from os.path import exists
@@ -12,6 +13,7 @@ import shutil
 from distutils.spawn import find_executable
 from glob import glob
 
+from six import string_types
 import numpy as np
 import ox
 import ox.image
@@ -462,7 +464,7 @@ def timeline(video, prefix, modes=None, size=None):
         modes = ['antialias', 'slitscan', 'keyframes', 'audio', 'data']
     if size is None:
         size = [64, 16]
-    if isinstance(video, str):
+    if isinstance(video, string_types):
         video = [video]
     cmd = ['../bin/oxtimelines',
            '-s', ','.join(map(str, reversed(sorted(size)))),

pandora/archive/management/commands/import_streams.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 from django.core.management.base import BaseCommand
 from django.conf import settings

pandora/archive/management/commands/migrate_timelines.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 import os
 import re

pandora/archive/management/commands/orphaned_media.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 from django.core.management.base import BaseCommand
 from django.conf import settings

pandora/archive/models.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import json
 import os.path
@@ -6,10 +7,12 @@ import shutil
 import tempfile
 import time
 
+from six import string_types, PY2
 from django.conf import settings
 from django.contrib.auth import get_user_model
 from django.db import models
 from django.db.models.signals import pre_delete
+from django.utils.encoding import python_2_unicode_compatible
 from oxdjango.fields import JSONField
 
 from oxdjango import fields
@@ -27,9 +30,13 @@ from . import managers
 
 User = get_user_model()
 
+if not PY2:
+    unicode = str
+
 def data_path(f, x):
     return f.get_path('data.bin')
 
+@python_2_unicode_compatible
 class File(models.Model):
     AV_INFO = (
         'duration', 'video', 'audio', 'oshash', 'size',
@@ -48,7 +55,7 @@ class File(models.Model):
     modified = models.DateTimeField(auto_now=True)
 
     oshash = models.CharField(max_length=16, unique=True)
-    item = models.ForeignKey("item.Item", related_name='files', null=True, on_delete=models.CASCADE)
+    item = models.ForeignKey("item.Item", related_name='files', null=True)
 
     path = models.CharField(max_length=2048, default="")  # canoncial path/file
     sort_path = models.CharField(max_length=2048, default="")  # sort name
@@ -161,7 +168,7 @@ class File(models.Model):
         if self.item:
             for key in self.ITEM_INFO:
                 data[key] = self.item.get(key)
-                if isinstance(data[key], str):
+                if isinstance(data[key], string_types):
                     data[key] = ox.decode_html(data[key])
                 elif isinstance(data[key], list):
                     data[key] = [ox.decode_html(e) for e in data[key]]
@@ -255,8 +262,8 @@ class File(models.Model):
             data = self.get_path_info()
             self.extension = data.get('extension')
             self.language = data.get('language')
-            self.part = ox.sort_string(str(data.get('part') or ''))
+            self.part = ox.sort_string(unicode(data.get('part') or ''))
-            self.part_title = ox.sort_string(str(data.get('partTitle')) or '')
+            self.part_title = ox.sort_string(unicode(data.get('partTitle')) or '')
             self.type = data.get('type') or 'unknown'
             self.version = data.get('version')
 
@@ -476,7 +483,7 @@ class File(models.Model):
                 if k not in keys:
                     del data[k]
         can_see_media = False
-        if user and not user.is_anonymous:
+        if user and not user.is_anonymous():
             can_see_media = user.profile.capability('canSeeMedia') or \
                 user.is_staff or \
                 self.item.user == user or \
@@ -591,15 +598,15 @@ class File(models.Model):
         status = {}
         if self.encoding:
             for s in self.streams.all():
-                status[s.name()] = 'done' if s.available else 'encoding'
+                status[s.name()] = u'done' if s.available else u'encoding'
             config = settings.CONFIG['video']
             max_resolution = self.streams.get(source=None).resolution
             for resolution in sorted(config['resolutions'], reverse=True):
                 if resolution <= max_resolution:
                     for f in config['formats']:
-                        name = '%sp.%s' % (resolution, f)
+                        name = u'%sp.%s' % (resolution, f)
                         if name not in status:
-                            status[name] = 'queued'
+                            status[name] = u'queued'
         return status
 
     def delete_frames(self):
@@ -620,6 +627,7 @@ def delete_file(sender, **kwargs):
     f.delete_files()
 pre_delete.connect(delete_file, sender=File)
 
+@python_2_unicode_compatible
 class Volume(models.Model):
 
     class Meta:
@@ -628,11 +636,11 @@ class Volume(models.Model):
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
 
-    user = models.ForeignKey(User, related_name='volumes', on_delete=models.CASCADE)
+    user = models.ForeignKey(User, related_name='volumes')
     name = models.CharField(max_length=1024)
 
     def __str__(self):
-        return "%s's %s" % (self.user, self.name)
+        return u"%s's %s" % (self.user, self.name)
 
     def json(self):
         return {
@@ -644,6 +652,7 @@ class Volume(models.Model):
 def inttime():
     return int(time.time())
 
+@python_2_unicode_compatible
 class Instance(models.Model):
 
     class Meta:
@@ -659,11 +668,11 @@ class Instance(models.Model):
     path = models.CharField(max_length=2048)
     ignore = models.BooleanField(default=False)
 
-    file = models.ForeignKey(File, related_name='instances', on_delete=models.CASCADE)
+    file = models.ForeignKey(File, related_name='instances')
-    volume = models.ForeignKey(Volume, related_name='files', on_delete=models.CASCADE)
+    volume = models.ForeignKey(Volume, related_name='files')
 
     def __str__(self):
-        return "%s's %s <%s>" % (self.volume.user, self.path, self.file.oshash)
+        return u"%s's %s <%s>" % (self.volume.user, self.path, self.file.oshash)
 
     @property
     def public_id(self):
@@ -682,13 +691,14 @@ def frame_path(frame, name):
     name = "%s%s" % (frame.position, ext)
     return frame.file.get_path(name)
 
+@python_2_unicode_compatible
 class Frame(models.Model):
 
     class Meta:
         unique_together = ("file", "position")
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
-    file = models.ForeignKey(File, related_name="frames", on_delete=models.CASCADE)
+    file = models.ForeignKey(File, related_name="frames")
     position = models.FloatField()
     frame = models.ImageField(default=None, null=True, upload_to=frame_path)
     width = models.IntegerField(default=0)
@@ -701,7 +711,7 @@ class Frame(models.Model):
         super(Frame, self).save(*args, **kwargs)
 
     def __str__(self):
-        return '%s/%s' % (self.file, self.position)
+        return u'%s/%s' % (self.file, self.position)
 
 def delete_frame(sender, **kwargs):
     f = kwargs['instance']
@@ -712,17 +722,18 @@ pre_delete.connect(delete_frame, sender=Frame)
 def stream_path(f, x):
     return f.path(x)
 
+@python_2_unicode_compatible
 class Stream(models.Model):
 
     class Meta:
         unique_together = ("file", "resolution", "format")
 
-    file = models.ForeignKey(File, related_name='streams', on_delete=models.CASCADE)
+    file = models.ForeignKey(File, related_name='streams')
     resolution = models.IntegerField(default=96)
     format = models.CharField(max_length=255, default='webm')
 
     media = models.FileField(default=None, blank=True, upload_to=stream_path)
-    source = models.ForeignKey('Stream', related_name='derivatives', default=None, null=True, on_delete=models.CASCADE)
+    source = models.ForeignKey('Stream', related_name='derivatives', default=None, null=True)
     available = models.BooleanField(default=False)
     oshash = models.CharField(max_length=16, null=True, db_index=True)
     info = JSONField(default=dict, editable=False)
@@ -742,10 +753,10 @@ class Stream(models.Model):
         return os.path.join(settings.MEDIA_ROOT, self.path(), 'timeline')
 
     def name(self):
-        return "%sp.%s" % (self.resolution, self.format)
+        return u"%sp.%s" % (self.resolution, self.format)
 
     def __str__(self):
-        return "%s/%s" % (self.file, self.name())
+        return u"%s/%s" % (self.file, self.name())
 
     def get(self, resolution, format):
         streams = []
@@ -803,12 +814,8 @@ class Stream(models.Model):
 
         # file could have been moved while encoding
         # get current version from db and update
-        try:
+        self.refresh_from_db()
-            self.refresh_from_db()
+        self.update_status(ok, error)
-        except archive.models.DoesNotExist:
-            pass
-        else:
-            self.update_status(ok, error)
 
     def get_index(self):
         index = 1

pandora/archive/queue.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function
 
 from datetime import datetime
 from time import time

pandora/archive/tasks.py

@@ -1,7 +1,9 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from glob import glob
 
+from six import string_types
 from celery.task import task
 from django.conf import settings
 from django.db.models import Q
@@ -218,7 +220,7 @@ def move_media(data, user):
         data['public_id'] = data.pop('item').strip()
         if not is_imdb_id(data['public_id']):
             del data['public_id']
-            if 'director' in data and isinstance(data['director'], str):
+            if 'director' in data and isinstance(data['director'], string_types):
                 if data['director'] == '':
                     data['director'] = []
                 else:

pandora/archive/views.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import os.path
 from datetime import datetime
@@ -7,6 +8,7 @@ from django.shortcuts import get_object_or_404, redirect, render
 from django.conf import settings
 from django.db.models import Count, Q
 
+from six import string_types
 from celery.utils import get_full_cls_name
 from celery._state import current_app
 import ox
@@ -554,7 +556,7 @@ def getPath(request, data):
     '''
     response = json_response()
     ids = data['id']
-    if isinstance(ids, str):
+    if isinstance(ids, string_types):
         ids = [ids]
     for f in models.File.objects.filter(oshash__in=ids).values('path', 'oshash').order_by('sort_path'):
         response['data'][f['oshash']] = f['path']

pandora/changelog/models.py

@@ -1,9 +1,11 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from datetime import datetime
 
 from django.contrib.auth import get_user_model
 from django.db import models
+from django.utils.encoding import python_2_unicode_compatible
 from oxdjango.fields import JSONField
 
 import ox
@@ -17,13 +19,14 @@ User = get_user_model()
 '''
 FIXME: remove this table more migrate to new ChangeLog
 '''
+@python_2_unicode_compatible
 class Changelog(models.Model):
     created = models.DateTimeField(auto_now_add=True)
     type = models.CharField(max_length=255, db_index=True)
     value = JSONField(default=dict, editable=False)
 
     def __str__(self):
-        return '%s %s' % (self.type, self.created)
+        return u'%s %s' % (self.type, self.created)
 
     def json(self):
         return self.value
@@ -47,18 +50,19 @@ def add_changelog(request, data, id=None):
         'user': c.user.username,
     })
 
+@python_2_unicode_compatible
 class Log(models.Model):
 
     action = models.CharField(max_length=255, db_index=True)
     data = JSONField(default=dict, editable=False)
     created = models.DateTimeField(db_index=True)
-    user = models.ForeignKey(User, null=True, related_name='changelog', on_delete=models.CASCADE)
+    user = models.ForeignKey(User, null=True, related_name='changelog')
     changeid = models.TextField()
 
     objects = managers.LogManager()
 
     def __str__(self):
-        return '%s %s %s' % (self.created, self.action, self.changeid)
+        return u'%s %s %s' % (self.created, self.action, self.changeid)
 
     def get_id(self):
         return ox.toAZ(self.id)

pandora/changelog/recover.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 
 import models
 import item.models
@@ -17,33 +18,33 @@ def recover_item(id):
     created = old.value['created']
     i.user = user.models.User.objects.get(username=i.data['user'])
     for key in [
-        'rendered',
+         u'rendered',
-        'random',
+         u'random',
-        'cuts',
+         u'cuts',
-        'duration',
+         u'duration',
-        'id',
+         u'id',  
-        'size',
+         u'size',
-        'posterFrame',
+         u'posterFrame',
-        'parts',
+         u'parts',
-        'cutsperminute',
+         u'cutsperminute',
-        'hue', 
+         u'hue', 
-        'numberofcuts',
+         u'numberofcuts',
-        'durations',
+         u'durations',
-        'volume',
+         u'volume',
-        'user',
+         u'user',
-        'words',
+         u'words',
-        'videoRatio',
+         u'videoRatio',
-        'aspectratio',
+         u'aspectratio',
-        'bitrate',
+         u'bitrate',
-        'pixels',
+         u'pixels',
-        'created',
+         u'created',
-        'numberoffiles',
+         u'numberoffiles',
-        'modified',
+         u'modified',
-        'timesaccessed',
+         u'timesaccessed',
-        'accessed',
+         u'accessed',
-        'resolution',
+         u'resolution',
-        'wordsperminute',
+         u'wordsperminute',
-        'posterRatio'
+         u'posterRatio'
     ]:
         if key in i.data:
             del i.data[key]

pandora/changelog/views.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import ox
 

pandora/clip/managers.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 import unicodedata
 
+from six import string_types
 from django.db.models import Q, Manager
 from django.conf import settings
 
@@ -77,7 +78,7 @@ def parseCondition(condition, user):
     else:
         key = k + get_operator(op, 'istr' if k in case_insensitive_keys else 'str')
     key = str(key)
-    if isinstance(v, str) and op != '===':
+    if isinstance(v, string_types) and op != '===':
         v = unicodedata.normalize('NFKD', v).lower()
     if exclude:
         q = ~Q(**{key: v})
@@ -154,7 +155,7 @@ class ClipManager(Manager):
         def parse(condition):
             key = 'findvalue' + get_operator(condition.get('operator', ''))
             v = condition['value']
-            if isinstance(v, str):
+            if isinstance(v, string_types):
                 v = unicodedata.normalize('NFKD', v).lower()
             q = Q(**{key: v})
             if condition['key'] in layer_ids:
@@ -214,7 +215,7 @@ class ClipManager(Manager):
             for l in list(filter(lambda k: k in layer_ids, data['keys'])):
                 qs = qs.filter(**{l: True})
         #anonymous can only see public clips
-        if not user or user.is_anonymous:
+        if not user or user.is_anonymous():
             allowed_level = settings.CONFIG['capabilities']['canSeeItem']['guest']
             qs = qs.filter(sort__rightslevel__lte=allowed_level)
         #users can see public clips, there own clips and clips of there groups

pandora/clip/models.py

@@ -1,7 +1,9 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.db import models
 from django.conf import settings
+from django.utils.encoding import python_2_unicode_compatible
 
 import ox
 
@@ -13,7 +15,7 @@ from . import managers
 def get_layers(item, interval=None, user=None):
     from annotation.models import Annotation
 
-    if user and user.is_anonymous:
+    if user and user.is_anonymous():
         user = None
 
     layers = {}
@@ -43,6 +45,7 @@ def get_layers(item, interval=None, user=None):
     return layers
 
 
+@python_2_unicode_compatible
 class MetaClip(object):
     def update_calculated_values(self):
         start = self.start
@@ -181,7 +184,7 @@ class MetaClip(object):
 
     @property
     def public_id(self):
-        return "%s/%0.03f-%0.03f" % (self.item.public_id, float(self.start), float(self.end))
+        return u"%s/%0.03f-%0.03f" % (self.item.public_id, float(self.start), float(self.end))
 
     def __str__(self):
         return self.public_id
@@ -197,8 +200,8 @@ attrs = {
     'modified': models.DateTimeField(auto_now=True),
     'aspect_ratio': models.FloatField(default=0),
 
-    'item': models.ForeignKey('item.Item', related_name='clips', on_delete=models.CASCADE),
+    'item': models.ForeignKey('item.Item', related_name='clips'),
-    'sort': models.ForeignKey('item.ItemSort', related_name='matching_clips', on_delete=models.CASCADE),
+    'sort': models.ForeignKey('item.ItemSort', related_name='matching_clips'),
     'user': models.IntegerField(db_index=True, null=True),
 
     #seconds
@@ -223,4 +226,4 @@ Clip = type('Clip', (MetaClip, models.Model), attrs)
 
 class ClipRandom(models.Model):
     id = models.BigIntegerField(primary_key=True)
-    clip = models.OneToOneField(Clip, on_delete=models.CASCADE)
+    clip = models.OneToOneField(Clip)

pandora/clip/views.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.conf import settings
 import ox
@@ -153,7 +154,7 @@ def findClips(request, data):
                 add_annotations(layer, aqs)
     elif 'position' in query:
         qs = order_query(qs, query['sort'])
-        ids = ['%s/%0.03f-%0.03f' % (c['item__public_id'], c['start'], c['end'])
+        ids = [u'%s/%0.03f-%0.03f' % (c['item__public_id'], c['start'], c['end'])
             for c in qs.values('item__public_id', 'start', 'end')]
         data['conditions'] = data['conditions'] + {
             'value': data['position'],
@@ -166,7 +167,7 @@ def findClips(request, data):
             response['data']['position'] = utils.get_positions(ids, [qs[0].public_id])[0]
     elif 'positions' in data:
         qs = order_query(qs, query['sort'])
-        ids = ['%s/%0.03f-%0.03f' % (c['item__public_id'], c['start'], c['end'])
+        ids = [u'%s/%0.03f-%0.03f' % (c['item__public_id'], c['start'], c['end'])
             for c in qs.values('item__public_id', 'start', 'end')]
         response['data']['positions'] = utils.get_positions(ids, data['positions'])
     else:

pandora/document/management/commands/rebuild_documentfind.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 from django.core.management.base import BaseCommand
 from django.db import connection, transaction

pandora/document/management/commands/sync_documentsort.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 from django.core.management.base import BaseCommand
 from django.db import connection, transaction

pandora/document/managers.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 import unicodedata
 
+from six import string_types
 from django.db.models import Q, Manager
 from django.conf import settings
 
@@ -131,8 +132,6 @@ def buildCondition(k, op, v, user, exclude=False, owner=None):
                         q = Q(id__in=l.documents.all())
             else:
                 q = Q(id=0)
-        if exclude:
-            q = ~q
         return q
     elif key_config.get('fulltext'):
         qs = models.Document.find_fulltext_ids(v)
@@ -151,7 +150,7 @@ def buildCondition(k, op, v, user, exclude=False, owner=None):
             value_key = 'find__value'
         else:
             value_key = k
-        if isinstance(v, str):
+        if isinstance(v, string_types):
             v = unicodedata.normalize('NFKD', v).lower()
         if k in facet_keys:
             in_find = False
@@ -282,7 +281,7 @@ class DocumentManager(Manager):
         qs = qs.distinct()
 
         #anonymous can only see public items
-        if not user or user.is_anonymous:
+        if not user or user.is_anonymous():
             level = 'guest'
             allowed_level = settings.CONFIG['capabilities']['canSeeDocument'][level]
             qs = qs.filter(rightslevel__lte=allowed_level)

pandora/document/models.py

@@ -1,16 +1,19 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
-from glob import glob
-from urllib.parse import quote, unquote
 import os
 import re
+from glob import glob
 import unicodedata
 
+from six import PY2, string_types
+from six.moves.urllib.parse import quote, unquote
 from django.db import models, transaction
 from django.db.models import Q, Sum, Max
 from django.contrib.auth import get_user_model
 from django.db.models.signals import pre_delete
 from django.conf import settings
+from django.utils.encoding import python_2_unicode_compatible
 from oxdjango.fields import JSONField
 
 from PIL import Image
@@ -24,7 +27,6 @@ from annotation.models import Annotation
 from archive.extract import resize_image
 from archive.chunk import save_chunk
 from user.models import Group
-from user.utils import update_groups
 
 from . import managers
 from . import utils
@@ -33,15 +35,19 @@ from .fulltext import FulltextMixin
 
 User = get_user_model()
 
+if not PY2:
+    unicode = str
+
 def get_path(f, x):
     return f.path(x)
 
+@python_2_unicode_compatible
 class Document(models.Model, FulltextMixin):
 
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
 
-    user = models.ForeignKey(User, related_name='documents', on_delete=models.CASCADE)
+    user = models.ForeignKey(User, related_name='documents')
     groups = models.ManyToManyField(Group, blank=True, related_name='documents')
 
     extension = models.CharField(max_length=255)
@@ -67,7 +73,7 @@ class Document(models.Model, FulltextMixin):
     data = JSONField(default=dict, editable=False)
 
     def update_access(self, user):
-        if not user.is_authenticated:
+        if not user.is_authenticated():
             user = None
         access, created = Access.objects.get_or_create(document=self, user=user)
         if not created:
@@ -84,7 +90,7 @@ class Document(models.Model, FulltextMixin):
             if not current_values:
                 current_values = []
             else:
-                current_values = [str(current_values)]
+                current_values = [unicode(current_values)]
 
         filter_map = utils.get_by_id(settings.CONFIG['documentKeys'], key).get('filterMap')
         if filter_map:
@@ -135,7 +141,7 @@ class Document(models.Model, FulltextMixin):
                 f, created = Find.objects.get_or_create(document=self, key=key)
                 if isinstance(value, bool):
                     value = value and 'true' or 'false'
-                if isinstance(value, str):
+                if isinstance(value, string_types):
                     value = ox.decode_html(ox.strip_tags(value.strip()))
                     value = unicodedata.normalize('NFKD', value).lower()
                 f.value = value
@@ -154,7 +160,7 @@ class Document(models.Model, FulltextMixin):
                 elif i not in ('*', 'dimensions') and i not in self.facet_keys:
                     value = data.get(i)
                     if isinstance(value, list):
-                        value = '\n'.join(value)
+                        value = u'\n'.join(value)
                     save(i, value)
 
     base_keys = ('id', 'size', 'dimensions', 'extension', 'matches')
@@ -185,15 +191,15 @@ class Document(models.Model, FulltextMixin):
         s.dimensions = ox.sort_string('%d' % prefix) + ox.sort_string('%d' % value)
 
         def sortNames(values):
-            sort_value = ''
+            sort_value = u''
             if values:
-                sort_value = '; '.join([get_name_sort(name) for name in values])
+                sort_value = u'; '.join([get_name_sort(name) for name in values])
             if not sort_value:
-                sort_value = ''
+                sort_value = u''
             return sort_value.lower()
 
         def set_value(s, name, value):
-            if isinstance(value, str):
+            if isinstance(value, string_types):
                 value = ox.decode_html(value.lower())
                 if not value:
                     value = None
@@ -222,7 +228,7 @@ class Document(models.Model, FulltextMixin):
                 if isinstance(sort_type, list):
                     sort_type = sort_type[0]
                 if sort_type == 'title':
-                    value = self.get_value(source, 'Untitled')
+                    value = self.get_value(source, u'Untitled')
                     value = utils.sort_title(value)[:955]
                     set_value(s, name, value)
                 elif sort_type == 'person':
@@ -230,9 +236,9 @@ class Document(models.Model, FulltextMixin):
                     value = utils.sort_string(value)[:955]
                     set_value(s, name, value)
                 elif sort_type == 'string':
-                    value = self.get_value(source, '')
+                    value = self.get_value(source, u'')
                     if isinstance(value, list):
-                        value = ','.join(value)
+                        value = u','.join(value)
                     if not isinstance(value, str):
                         value = str(value)
                     value = utils.sort_string(value)[:955]
@@ -255,7 +261,7 @@ class Document(models.Model, FulltextMixin):
                     set_value(s, name, value)
                 elif sort_type == 'date':
                     value = self.get_value(source)
-                    if isinstance(value, str):
+                    if isinstance(value, string_types):
                         value = datetime_safe.datetime.strptime(value, '%Y-%m-%d')
                     set_value(s, name, value)
         s.save()
@@ -312,7 +318,7 @@ class Document(models.Model, FulltextMixin):
         return ox.toAZ(self.id)
 
     def access(self, user):
-        if user.is_anonymous:
+        if user.is_anonymous():
             level = 'guest'
         else:
             level = user.profile.get_level()
@@ -325,10 +331,9 @@ class Document(models.Model, FulltextMixin):
         return False
 
     def editable(self, user, item=None):
-        if not user or user.is_anonymous:
+        if not user or user.is_anonymous():
             return False
         if self.user == user or \
-           self.groups.filter(id__in=user.groups.all()).count() > 0 or \
            user.is_staff or \
            user.profile.capability('canEditDocuments') is True or \
            (item and item.editable(user)):
@@ -342,9 +347,6 @@ class Document(models.Model, FulltextMixin):
                 p.description = ox.sanitize_html(data['description'])
                 p.save()
         else:
-            if 'groups' in data:
-                groups = data.pop('groups')
-                update_groups(self, groups)
             for key in data:
                 k = list(filter(lambda i: i['id'] == key, settings.CONFIG['documentKeys']))
                 ktype = k and k[0].get('type') or ''
@@ -366,11 +368,11 @@ class Document(models.Model, FulltextMixin):
                     self.data[key] = [ox.sanitize_html(t) for t in data[key]]
                 elif ktype == '[string]':
                     self.data[key] = [ox.escape_html(t) for t in data[key]]
-                elif isinstance(data[key], str):
+                elif isinstance(data[key], string_types):
                     self.data[key] = ox.escape_html(data[key])
                 elif isinstance(data[key], list):
                     def cleanup(i):
-                        if isinstance(i, str):
+                        if isinstance(i, string_types):
                             i = ox.escape_html(i)
                         return i
                     self.data[key] = [cleanup(i) for i in data[key]]
@@ -434,7 +436,6 @@ class Document(models.Model, FulltextMixin):
                 'matches',
                 'size',
                 'user',
-                'groups',
                 'referenced',
             ]
             if self.extension in ('html', 'txt'):
@@ -454,8 +455,6 @@ class Document(models.Model, FulltextMixin):
                 response[key] = self.editable(user)
             elif key == 'user':
                 response[key] = self.user.username
-            elif key == 'groups':
-                response[key] = [g.name for g in self.groups.all()]
             elif key == 'accessed':
                 response[key] = self.accessed.aggregate(Max('access'))['access__max']
             elif key == 'timesaccessed':
@@ -476,7 +475,7 @@ class Document(models.Model, FulltextMixin):
         if self.extension == 'html':
             response['text'] = self.data.get('text', '')
         if item:
-            if isinstance(item, str):
+            if isinstance(item, string_types):
                 item = Item.objects.get(public_id=item)
             d = self.descriptions.filter(item=item)
             if d.exists():
@@ -686,8 +685,8 @@ class ItemProperties(models.Model):
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
 
-    item = models.ForeignKey(Item, on_delete=models.CASCADE)
+    item = models.ForeignKey(Item)
-    document = models.ForeignKey(Document, related_name='descriptions', on_delete=models.CASCADE)
+    document = models.ForeignKey(Document, related_name='descriptions')
     description = models.TextField(default="")
     index = models.IntegerField(default=0)
 
@@ -702,13 +701,14 @@ class ItemProperties(models.Model):
         super(ItemProperties, self).save(*args, **kwargs)
 
 
+@python_2_unicode_compatible
 class Access(models.Model):
     class Meta:
         unique_together = ("document", "user")
 
     access = models.DateTimeField(auto_now=True)
-    document = models.ForeignKey(Document, related_name='accessed', on_delete=models.CASCADE)
+    document = models.ForeignKey(Document, related_name='accessed')
-    user = models.ForeignKey(User, null=True, related_name='accessed_documents', on_delete=models.CASCADE)
+    user = models.ForeignKey(User, null=True, related_name='accessed_documents')
     accessed = models.IntegerField(default=0)
 
     def save(self, *args, **kwargs):
@@ -721,9 +721,10 @@ class Access(models.Model):
 
     def __str__(self):
         if self.user:
-            return "%s/%s/%s" % (self.user, self.document, self.access)
+            return u"%s/%s/%s" % (self.user, self.document, self.access)
-        return "%s/%s" % (self.item, self.access)
+        return u"%s/%s" % (self.item, self.access)
 
+@python_2_unicode_compatible
 class Facet(models.Model):
     '''
         used for keys that can have multiple values like people, languages etc.
@@ -734,13 +735,13 @@ class Facet(models.Model):
     class Meta:
         unique_together = ("document", "key", "value")
 
-    document = models.ForeignKey('Document', related_name='facets', on_delete=models.CASCADE)
+    document = models.ForeignKey('Document', related_name='facets')
     key = models.CharField(max_length=200, db_index=True)
     value = models.CharField(max_length=1000, db_index=True)
     sortvalue = models.CharField(max_length=1000, db_index=True)
 
     def __str__(self):
-        return "%s=%s" % (self.key, self.value)
+        return u"%s=%s" % (self.key, self.value)
 
     def save(self, *args, **kwargs):
         if not self.sortvalue:
@@ -759,17 +760,18 @@ for key in settings.CONFIG['itemKeys']:
     if key.get('sortType') == 'person':
         Document.person_keys.append(key['id'])
 
+@python_2_unicode_compatible
 class Find(models.Model):
 
     class Meta:
         unique_together = ('document', 'key')
 
-    document = models.ForeignKey('Document', related_name='find', db_index=True, on_delete=models.CASCADE)
+    document = models.ForeignKey('Document', related_name='find', db_index=True)
     key = models.CharField(max_length=200, db_index=True)
     value = models.TextField(blank=True, db_index=settings.DB_GIN_TRGM)
 
     def __str__(self):
-        return '%s=%s' % (self.key, self.value)
+        return u'%s=%s' % (self.key, self.value)
 
 '''
 Sort
@@ -777,7 +779,7 @@ table constructed based on info in settings.CONFIG['documentKeys']
 '''
 attrs = {
     '__module__': 'document.models',
-    'document': models.OneToOneField('Document', related_name='sort', primary_key=True, on_delete=models.CASCADE),
+    'document': models.OneToOneField('Document', related_name='sort', primary_key=True),
     'created': models.DateTimeField(null=True, blank=True, db_index=True),
 }
 for key in list(filter(lambda k: k.get('sort', False) or k['type'] in ('integer', 'time', 'float', 'date', 'enum'), settings.CONFIG['documentKeys'])):

pandora/document/sync_sort.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 from django.core.management.base import BaseCommand
 from django.db import connection, transaction

pandora/document/views.py

@@ -1,10 +1,12 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import os
 import re
 from glob import glob
 import unicodedata
 
+from six import string_types
 import ox
 from ox.utils import json
 from oxdjango.api import actions
@@ -69,7 +71,7 @@ def addDocument(request, data):
         else:
             ids = [data['id']]
         if 'item' in data:
-            if isinstance(data['item'], str):
+            if isinstance(data['item'], string_types):
                 item = Item.objects.get(public_id=data['item'])
                 if item.editable(request.user):
                     for id in ids:
@@ -86,7 +88,7 @@ def addDocument(request, data):
                             document.add(item)
                 add_changelog(request, data, data['item'])
         elif 'entity' in data:
-            if isinstance(data['entity'], str):
+            if isinstance(data['entity'], string_types):
                 entity = Entity.get(data['entity'])
                 if entity.editable(request.user):
                     for id in ids:

pandora/documentcollection/managers.py

@@ -124,7 +124,7 @@ class CollectionManager(Manager):
         if conditions:
             qs = qs.filter(conditions)
 
-        if user.is_anonymous:
+        if user.is_anonymous():
             qs = qs.filter(Q(status='public') | Q(status='featured'))
         else:
             qs = qs.filter(Q(status='public') | Q(status='featured') | Q(user=user))

pandora/documentcollection/models.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import os
 import re
@@ -9,6 +10,7 @@ from django.db import models
 from django.db.models import Max
 from django.contrib.auth import get_user_model
 from django.conf import settings
+from django.utils.encoding import python_2_unicode_compatible
 from oxdjango.fields import JSONField
 
 import ox
@@ -34,6 +36,7 @@ def get_collectionview():
 def get_collectionsort():
     return tuple(settings.CONFIG['user']['ui']['collectionSort'])
 
+@python_2_unicode_compatible
 class Collection(models.Model):
 
     class Meta:
@@ -41,7 +44,7 @@ class Collection(models.Model):
 
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
-    user = models.ForeignKey(User, related_name='collections', on_delete=models.CASCADE)
+    user = models.ForeignKey(User, related_name='collections')
     groups = models.ManyToManyField(Group, blank=True, related_name='collections')
     name = models.CharField(max_length=255)
     status = models.CharField(max_length=20, default='private')
@@ -55,7 +58,7 @@ class Collection(models.Model):
     view = models.TextField(default=get_collectionview)
     sort = JSONField(default=get_collectionsort, editable=False)
 
-    poster_frames = JSONField(default=list, editable=False)
+    poster_frames = JSONField(default=[], editable=False)
 
     #is through table still required?
     documents = models.ManyToManyField('document.Document', related_name='collections',
@@ -114,13 +117,13 @@ class Collection(models.Model):
         return self.get_id()
 
     def get_id(self):
-        return '%s:%s' % (self.user.username, self.name)
+        return u'%s:%s' % (self.user.username, self.name)
 
     def accessible(self, user):
         return self.user == user or self.status in ('public', 'featured')
 
     def editable(self, user):
-        if not user or user.is_anonymous:
+        if not user or user.is_anonymous():
             return False
         if self.user == user or \
            self.groups.filter(id__in=user.groups.all()).count() > 0 or \
@@ -248,7 +251,7 @@ class Collection(models.Model):
             elif key == 'subscribers':
                 response[key] = self.subscribed_users.all().count()
             elif key == 'subscribed':
-                if user and not user.is_anonymous:
+                if user and not user.is_anonymous():
                     response[key] = self.subscribed_users.filter(id=user.id).exists()
             else:
                 response[key] = getattr(self, {
@@ -315,26 +318,28 @@ class Collection(models.Model):
                 path = source
         return path
 
+@python_2_unicode_compatible
 class CollectionDocument(models.Model):
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
-    collection = models.ForeignKey(Collection, on_delete=models.CASCADE)
+    collection = models.ForeignKey(Collection)
     index = models.IntegerField(default=0)
-    document = models.ForeignKey('document.Document', on_delete=models.CASCADE)
+    document = models.ForeignKey('document.Document')
 
     def __str__(self):
-        return '%s in %s' % (self.document, self.collection)
+        return u'%s in %s' % (self.document, self.collection)
 
+@python_2_unicode_compatible
 class Position(models.Model):
 
     class Meta:
         unique_together = ("user", "collection", "section")
 
-    collection = models.ForeignKey(Collection, related_name='position', on_delete=models.CASCADE)
+    collection = models.ForeignKey(Collection, related_name='position')
-    user = models.ForeignKey(User, related_name='collection_positions', on_delete=models.CASCADE)
+    user = models.ForeignKey(User, related_name='collection_positions')
     section = models.CharField(max_length=255)
     position = models.IntegerField(default=0)
 
     def __str__(self):
-        return '%s/%s/%s' % (self.section, self.position, self.collection)
+        return u'%s/%s/%s' % (self.section, self.position, self.collection)
 

pandora/documentcollection/views.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import os
 import re
@@ -74,7 +75,7 @@ def findCollections(request, data):
     query = parse_query(data, request.user)
 
     #order
-    is_section_request = query['sort'] == [{'operator': '+', 'key': 'position'}]
+    is_section_request = query['sort'] == [{u'operator': u'+', u'key': u'position'}]
 
     def is_featured_condition(x):
         return x['key'] == 'status' and \
@@ -88,7 +89,7 @@ def findCollections(request, data):
 
     if is_section_request:
         qs = query['qs']
-        if not is_featured and not request.user.is_anonymous:
+        if not is_featured and not request.user.is_anonymous():
             qs = qs.filter(position__in=models.Position.objects.filter(user=request.user))
         qs = qs.order_by('position__position')
     else:

pandora/edit/managers.py

@@ -124,7 +124,7 @@ class EditManager(Manager):
         if conditions:
             qs = qs.filter(conditions)
 
-        if user.is_anonymous:
+        if user.is_anonymous():
             qs = qs.filter(Q(status='public') | Q(status='featured'))
         else:
             qs = qs.filter(Q(status='public') | Q(status='featured') | Q(user=user))

pandora/edit/models.py

@@ -1,19 +1,21 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
-from glob import glob
-from urllib.parse import quote
-import os
 import re
+import os
 import shutil
+from glob import glob
 import subprocess
 import tempfile
 
+from six.moves.urllib.parse import quote
 import ox
 from django.conf import settings
 from django.db import models, transaction
 from django.db.models import Max
 from django.contrib.auth import get_user_model
 
+from django.utils.encoding import python_2_unicode_compatible
 from oxdjango.fields import JSONField
 
 from annotation.models import Annotation
@@ -33,6 +35,7 @@ User = get_user_model()
 def get_path(f, x): return f.path(x)
 def get_icon_path(f, x): return get_path(f, 'icon.jpg')
 
+@python_2_unicode_compatible
 class Edit(models.Model):
 
     class Meta:
@@ -42,7 +45,7 @@ class Edit(models.Model):
 
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
-    user = models.ForeignKey(User, related_name='edits', on_delete=models.CASCADE)
+    user = models.ForeignKey(User, related_name='edits')
     groups = models.ManyToManyField(Group, blank=True, related_name='edits')
     name = models.CharField(max_length=255)
 
@@ -56,11 +59,11 @@ class Edit(models.Model):
 
     icon = models.ImageField(default=None, blank=True, null=True, upload_to=get_icon_path)
 
-    poster_frames = JSONField(default=list, editable=False)
+    poster_frames = JSONField(default=[], editable=False)
     subscribed_users = models.ManyToManyField(User, related_name='subscribed_edits')
 
     def __str__(self):
-        return '%s (%s)' % (self.name, self.user)
+        return u'%s (%s)' % (self.name, self.user)
 
     @classmethod
     def get(cls, id):
@@ -70,7 +73,7 @@ class Edit(models.Model):
         return cls.objects.get(user__username=username, name=name)
     
     def get_id(self):
-        return '%s:%s' % (self.user.username, self.name)
+        return u'%s:%s' % (self.user.username, self.name)
     
     def get_absolute_url(self):
         return ('/edits/%s' % quote(self.get_id())).replace('%3A', ':')
@@ -134,7 +137,7 @@ class Edit(models.Model):
         return self.user == user or self.status in ('public', 'featured')
 
     def editable(self, user):
-        if not user or user.is_anonymous:
+        if not user or user.is_anonymous():
             return False
         if self.user == user or \
            self.groups.filter(id__in=user.groups.all()).count() > 0 or \
@@ -400,7 +403,7 @@ class Edit(models.Model):
             elif key == 'subscribers':
                 response[key] = self.subscribed_users.all().count()
             elif key == 'subscribed':
-                if user and not user.is_anonymous:
+                if user and not user.is_anonymous():
                     response[key] = self.subscribed_users.filter(id=user.id).exists()
             elif hasattr(self, _map.get(key, key)):
                 response[key] = getattr(self, _map.get(key, key))
@@ -427,14 +430,15 @@ class Edit(models.Model):
         #p.wait()
         shutil.rmtree(tmp)
 
+@python_2_unicode_compatible
 class Clip(models.Model):
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
 
-    edit = models.ForeignKey(Edit, related_name='clips', on_delete=models.CASCADE)
+    edit = models.ForeignKey(Edit, related_name='clips')
     index = models.IntegerField(default=0)
-    item = models.ForeignKey(Item, null=True, default=None, related_name='editclip', on_delete=models.CASCADE)
+    item = models.ForeignKey(Item, null=True, default=None, related_name='editclip')
-    annotation = models.ForeignKey(Annotation, null=True, default=None, related_name='editclip', on_delete=models.CASCADE)
+    annotation = models.ForeignKey(Annotation, null=True, default=None, related_name='editclip')
     start = models.FloatField(default=0)
     end = models.FloatField(default=0)
     duration = models.FloatField(default=0)
@@ -450,8 +454,8 @@ class Clip(models.Model):
 
     def __str__(self):
         if self.annotation:
-            return '%s' % self.annotation.public_id
+            return u'%s' % self.annotation.public_id
-        return '%s/%0.3f-%0.3f' % (self.item.public_id, self.start, self.end)
+        return u'%s/%0.3f-%0.3f' % (self.item.public_id, self.start, self.end)
     
     def get_id(self):
         return ox.toAZ(self.id)
@@ -537,16 +541,17 @@ class Clip(models.Model):
 
         return clip.models.get_layers(item=item, interval=(start, end), user=user)
 
+@python_2_unicode_compatible
 class Position(models.Model):
 
     class Meta:
         unique_together = ("user", "edit", "section")
 
-    edit = models.ForeignKey(Edit, related_name='position', on_delete=models.CASCADE)
+    edit = models.ForeignKey(Edit, related_name='position')
-    user = models.ForeignKey(User, related_name='edit_position', on_delete=models.CASCADE)
+    user = models.ForeignKey(User, related_name='edit_position')
     section = models.CharField(max_length=255)
     position = models.IntegerField(default=0)
 
     def __str__(self):
-        return '%s/%s/%s' % (self.section, self.position, self.edit)
+        return u'%s/%s/%s' % (self.section, self.position, self.edit)
 

pandora/edit/views.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import os
 import re
@@ -403,8 +404,7 @@ def findEdits(request, data):
     query = parse_query(data, request.user)
 
     #order
-    is_section_request = query['sort'] == [{'operator': '+', 'key': 'position'}]
+    is_section_request = query['sort'] == [{u'operator': u'+', u'key': u'position'}]
-
     def is_featured_condition(x):
         return x['key'] == 'status' and \
                x['value'] == 'featured' and \
@@ -414,7 +414,7 @@ def findEdits(request, data):
 
     if is_section_request:
         qs = query['qs']
-        if not is_featured and not request.user.is_anonymous:
+        if not is_featured and not request.user.is_anonymous():
             qs = qs.filter(position__in=models.Position.objects.filter(user=request.user))
         qs = qs.order_by('position__position')
     else:

pandora/entity/models.py

@@ -1,17 +1,20 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
-from glob import glob
-from urllib.parse import quote, unquote
 import os
 import re
+from glob import glob
 import unicodedata
 
+from six import string_types
+from six.moves.urllib.parse import quote, unquote
 from django.db import models, transaction
 from django.db.models import Max
 from django.contrib.auth import get_user_model
 
 from django.db.models.signals import pre_delete, post_init
 from django.conf import settings
+from django.utils.encoding import python_2_unicode_compatible
 from oxdjango.fields import JSONField
 
 import ox
@@ -25,6 +28,7 @@ from . import managers
 
 User = get_user_model()
 
+@python_2_unicode_compatible
 class Entity(models.Model):
     class ValueError(ValueError):
         '''Raised if a field name or value is invalid (based on the "entities"
@@ -34,7 +38,7 @@ class Entity(models.Model):
     class Meta:
         unique_together = ("type", "name")
 
-    user = models.ForeignKey(User, related_name='entities', null=True, default=None, on_delete=models.CASCADE)
+    user = models.ForeignKey(User, related_name='entities', null=True, default=None)
 
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
@@ -60,7 +64,7 @@ class Entity(models.Model):
                 self.name = self.name.decode('utf-8')
             self.name_sort = get_name_sort(self.name)[:255].lower()
         else:
-            self.name_sort = ox.sort_string(self.name or '')[:255].lower() or None
+            self.name_sort = ox.sort_string(self.name or u'')[:255].lower() or None
         self.name_find = '||' + '||'.join((self.name,) + self.alternativeNames) + '||'
         self.name_find = self.name_find.lower()
         super(Entity, self).save(*args, **kwargs)
@@ -84,11 +88,11 @@ class Entity(models.Model):
 
     @classmethod
     def get_by_name(cls, name, type):
-        return cls.objects.get(name_find__contains='|%s|' % name.lower(), type=type)
+        return cls.objects.get(name_find__contains=u'|%s|' % name.lower(), type=type)
 
     @classmethod
     def get_or_create(model, name):
-        qs = model.objects.filter(name_find__contains='|%s|' % name.lower())
+        qs = model.objects.filter(name_find__contains=u'|%s|' % name.lower())
         if qs.count() == 0:
             instance = model(name=name)
             instance.save()
@@ -113,7 +117,7 @@ class Entity(models.Model):
         DocumentProperties.objects.filter(document=document, entity=self).delete()
 
     def editable(self, user, item=None):
-        if not user or user.is_anonymous:
+        if not user or user.is_anonymous():
             return False
         if user.is_staff or \
            user.profile.capability('canEditEntities') == True or \
@@ -136,7 +140,7 @@ class Entity(models.Model):
                     data['name'] = "Unnamed"
                 name = data['name']
                 n = 1
-                while Entity.objects.filter(name_find__contains='|%s|' % name.lower()).exclude(id=self.id).count() > 0:
+                while Entity.objects.filter(name_find__contains=u'|%s|' % name.lower()).exclude(id=self.id).count() > 0:
                     n += 1
                     name = data['name'] + ' [%d]' % n
                 self.name = name
@@ -151,7 +155,7 @@ class Entity(models.Model):
                     name_ = name
                     n = 1
                     while name in used_names or \
-                        Entity.objects.filter(name_find__contains='|%s|' % name.lower()).exclude(id=self.id).count() > 0:
+                        Entity.objects.filter(name_find__contains=u'|%s|' % name.lower()).exclude(id=self.id).count() > 0:
                         n += 1
                         name = name_ + ' [%d]' % n
                     names.append(name)
@@ -187,7 +191,7 @@ class Entity(models.Model):
                     .delete()
             else:
                 #FIXME: more data validation
-                if isinstance(data[key], str):
+                if isinstance(data[key], string_types):
                     self.data[key] = ox.sanitize_html(data[key])
                 else:
                     self.data[key] = data[key]
@@ -264,7 +268,7 @@ class Entity(models.Model):
         return response
 
     def annotation_value(self):
-        #return '<a href="/entities/%s">%s</a>' % (self.get_id(), ox.escape_html(self.name))
+        #return u'<a href="/entities/%s">%s</a>' % (self.get_id(), ox.escape_html(self.name))
         return ox.escape_html(self.name)
 
     def update_find(self):
@@ -274,7 +278,7 @@ class Entity(models.Model):
                 f, created = Find.objects.get_or_create(entity=self, key=key)
                 if isinstance(value, bool):
                     value = value and 'true' or 'false'
-                if isinstance(value, str):
+                if isinstance(value, string_types):
                     value = ox.decode_html(ox.strip_tags(value.strip()))
                     value = unicodedata.normalize('NFKD', value).lower()
                 f.value = value
@@ -288,10 +292,10 @@ class Entity(models.Model):
             for key in entity['keys']:
                 value = self.data.get(key['id'])
                 if isinstance(value, list):
-                    value = '\n'.join(value)
+                    value = u'\n'.join(value)
                 save(key['id'], value)
                 ids.append(key['id'])
-            save('name', '\n'.join([self.name] + list(self.alternativeNames)))
+            save('name', u'\n'.join([self.name] + list(self.alternativeNames)))
             self.find.exclude(key__in=ids).delete()
 
     def update_matches(self):
@@ -340,6 +344,7 @@ post_init.connect(
 )
 
 
+@python_2_unicode_compatible
 class DocumentProperties(models.Model):
 
     class Meta:
@@ -348,40 +353,42 @@ class DocumentProperties(models.Model):
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
 
-    document = models.ForeignKey(Document, related_name='documentproperties', on_delete=models.CASCADE)
+    document = models.ForeignKey(Document, related_name='documentproperties')
-    entity = models.ForeignKey(Entity, related_name='documentproperties', on_delete=models.CASCADE)
+    entity = models.ForeignKey(Entity, related_name='documentproperties')
     index = models.IntegerField(default=0)
     data = JSONField(default=dict, editable=False)
 
     def __str__(self):
-        return "%r-%r" % (self.document, self.entity)
+        return u"%r-%r" % (self.document, self.entity)
 
     def save(self, *args, **kwargs):
 
         super(DocumentProperties, self).save(*args, **kwargs)
 
+@python_2_unicode_compatible
 class Find(models.Model):
 
     class Meta:
         unique_together = ("entity", "key")
 
-    entity = models.ForeignKey('Entity', related_name='find', db_index=True, on_delete=models.CASCADE)
+    entity = models.ForeignKey('Entity', related_name='find', db_index=True)
     key = models.CharField(max_length=200, db_index=True)
     value = models.TextField(blank=True, db_index=settings.DB_GIN_TRGM)
 
     def __str__(self):
-        return "%s=%s" % (self.key, self.value)
+        return u"%s=%s" % (self.key, self.value)
 
+@python_2_unicode_compatible
 class Link(models.Model):
     '''Models entity fields of type "entity".'''
 
     class Meta:
         unique_together = ("source", "key", "target")
 
-    source = models.ForeignKey(Entity, related_name='links', on_delete=models.CASCADE)
+    source = models.ForeignKey(Entity, related_name='links')
     key = models.CharField(max_length=200)
-    target = models.ForeignKey(Entity, related_name='backlinks', on_delete=models.CASCADE)
+    target = models.ForeignKey(Entity, related_name='backlinks')
 
     def __str__(self):
-        return "%s-[%s]->%s" % (self.source, self.key, self.target)
+        return u"%s-[%s]->%s" % (self.source, self.key, self.target)
 

pandora/entity/views.py

@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
+from six import string_types
 import ox
 from ox.utils import json
 from oxdjango.api import actions
@@ -58,7 +60,7 @@ def addEntity(request, data):
         for name in names:
             name = ox.decode_html(name)
             if models.Entity.objects.filter(type=data['type'],
-                    name_find__icontains='|%s|'%name).count() != 0:
+                    name_find__icontains=u'|%s|'%name).count() != 0:
                 exists = True
                 existing_names.append(name)
         if not exists:
@@ -68,7 +70,7 @@ def addEntity(request, data):
             for key in ('type', 'alternativeNames'):
                 if key in data and data[key]:
                     value = data[key]
-                    if isinstance(value, str):
+                    if isinstance(value, string_types):
                         value = ox.escape_html(value)
                     if key == 'alternativeNames':
                         value = tuple([ox.escape_html(v) for v in value])
@@ -85,7 +87,7 @@ def addEntity(request, data):
         type = data['type']
         name = 'Unnamed'
         num = 1
-        while models.Entity.objects.filter(name_find__icontains='|%s|'%name).count() > 0:
+        while models.Entity.objects.filter(name_find__icontains=u'|%s|'%name).count() > 0:
             num += 1
             name = 'Unnamed [%d]' % num
         entity = models.Entity(name=name, type=type)

pandora/event/admin.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.contrib import admin
 

pandora/event/managers.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 import unicodedata
 
+from six import string_types
 from django.db.models import Q, Manager
 
 from oxdjango.query import QuerySet
@@ -29,7 +30,7 @@ def parseCondition(condition, user):
 
     key = k + get_operator(op, 'istr')
     key = str(key)
-    if isinstance(v, str):
+    if isinstance(v, string_types):
         v = unicodedata.normalize('NFKD', v).lower()
     if exclude:
         q = ~Q(**{k: v})

pandora/event/models.py

@@ -1,8 +1,10 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.db import models, transaction
 from django.contrib.auth import get_user_model
 
+from django.utils.encoding import python_2_unicode_compatible
 
 import ox
 from oxdjango import fields
@@ -17,6 +19,7 @@ from . import managers
 
 User = get_user_model()
 
+@python_2_unicode_compatible
 class Event(models.Model):
     '''
         Events are events in time that can be once or recurring,
@@ -30,7 +33,7 @@ class Event(models.Model):
     modified = models.DateTimeField(auto_now=True)
     defined = models.BooleanField(default=False)
 
-    user = models.ForeignKey(User, null=True, related_name='events', on_delete=models.CASCADE)
+    user = models.ForeignKey(User, null=True, related_name='events')
 
     name = models.CharField(null=True, max_length=255, unique=True)
     name_sort = models.CharField(null=True, max_length=255, db_index=True)
@@ -63,7 +66,7 @@ class Event(models.Model):
 
     @classmethod
     def get_or_create(model, name):
-        qs = model.objects.filter(name_find__contains='|%s|' % name.lower())
+        qs = model.objects.filter(name_find__contains=u'|%s|' % name.lower())
         if qs.count() == 0:
             instance = model(name=name)
             instance.save()
@@ -72,7 +75,7 @@ class Event(models.Model):
         return instance
 
     def editable(self, user):
-        if user and not user.is_anonymous \
+        if user and not user.is_anonymous() \
             and (not self.user or \
                  self.user == user or \
                  user.profile.capability('canEditEvents')):

pandora/event/tasks.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from celery.task import task
 

pandora/event/views.py

@@ -1,8 +1,10 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.db.models import Count
 from django.conf import settings
 
+from six import string_types
 import ox
 from ox.utils import json
 
@@ -35,7 +37,7 @@ def addEvent(request, data):
     for name in names:
         name = ox.decode_html(name)
         if models.Event.objects.filter(defined=True,
-                name_find__icontains='|%s|'%name).count() != 0:
+                name_find__icontains=u'|%s|'%name).count() != 0:
             exists = True
             existing_names.append(name)
     if not exists:
@@ -46,7 +48,7 @@ def addEvent(request, data):
                     'type', 'alternativeNames'):
             if key in data and data[key]:
                 value = data[key]
-                if isinstance(value, str):
+                if isinstance(value, string_types):
                     value = ox.escape_html(value)
                 if key == 'alternativeNames':
                     value = tuple([ox.escape_html(v) for v in value])
@@ -91,7 +93,7 @@ def editEvent(request, data):
         names = [data.get('name', event.name)] + data.get('alternativeNames', [])
         for name in names:
             if models.Event.objects.filter(defined=True,
-                    name_find__icontains='|%s|'%name).exclude(id=event.id).count() != 0:
+                    name_find__icontains=u'|%s|'%name).exclude(id=event.id).count() != 0:
                 conflict = True
                 conflict_names.append(name)
         if not conflict:
@@ -100,7 +102,7 @@ def editEvent(request, data):
                         'type', 'alternativeNames'):
                 if key in data:
                     value = data[key]
-                    if isinstance(value, str):
+                    if isinstance(value, string_types):
                         value = ox.escape_html(value)
                     if key == 'alternativeNames':
                         value = tuple([ox.escape_html(v) for v in value])

pandora/home/apps.py

@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from django.apps import AppConfig
 
 

pandora/home/models.py

@@ -1,10 +1,13 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
-from urllib.parse import quote
+from six import string_types
+from six.moves.urllib.parse import quote
 
 from django.db import models
 from django.db.models import Max
 from django.db.models.signals import pre_delete
+from django.utils.encoding import python_2_unicode_compatible
 from oxdjango.fields import JSONField
 
 import ox
@@ -14,6 +17,7 @@ from edit.models import Edit
 from documentcollection.models import Collection
 
 
+@python_2_unicode_compatible
 class Item(models.Model):
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
@@ -23,7 +27,7 @@ class Item(models.Model):
     data = JSONField(default=dict, editable=False)
 
     def editable(self, user):
-        return user.is_authenticated and user.profile.capability("canManageHome")
+        return user.is_authenticated() and user.profile.capability("canManageHome")
 
     def edit(self, data):
         changed = False
@@ -42,7 +46,7 @@ class Item(models.Model):
                             len([d for d in data[key] if isinstance(d, int)]) == 4):
                         return False
                 else:
-                    if not isinstance(data[key], str):
+                    if not isinstance(data[key], string_types):
                         return False
                 self.data[key] = data[key]
                 if key == 'contentid' and self.data[key]:
@@ -149,7 +153,7 @@ class Item(models.Model):
         return j
 
     def __str__(self):
-        return "%s" % (self.get_id())
+        return u"%s" % (self.get_id())
 
 def delete_item(type, contentid):
     for home in Item.objects.all():

pandora/item/admin.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.contrib import admin
 

pandora/item/data_api.py

@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, with_statement
+
 import ox
 from django.conf import settings
 

pandora/item/management/commands/get_frame.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 from django.core.management.base import BaseCommand
 from django.conf import settings

pandora/item/management/commands/rebuild_filter.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 
 from django.core.management.base import BaseCommand

pandora/item/management/commands/rebuild_find.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 from django.core.management.base import BaseCommand
 from django.db import connection, transaction

pandora/item/management/commands/rebuild_indexes.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 from django.core.management.base import BaseCommand
 from django.db import connection, transaction

pandora/item/management/commands/rebuild_sort.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 
 from django.core.management.base import BaseCommand

pandora/item/management/commands/rebuild_timelines.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 import os
 from glob import glob

pandora/item/management/commands/rebuildcache.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 import time
 

pandora/item/management/commands/sqlfindindex.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 
 from django.core.management.base import BaseCommand
@@ -43,12 +44,7 @@ class Command(BaseCommand):
                 (document.models.Find._meta.db_table, 'value'),   # Document Find
             ):
                 cursor = connection.cursor()
-                contraints = connection.introspection.get_constraints(cursor, table)
+                indexes = connection.introspection.get_indexes(cursor, table)
-                indexes = {
-                    ','.join(c['columns']): {'primary_key': c['primary_key'], 'unique': c['unique']}
-                    for k, c in contraints.items()
-                    if c['index'] or c['primary_key'] or c['unique']
-                }
                 drop = []
                 if column in indexes:
                     for sql in (
@@ -67,12 +63,7 @@ class Command(BaseCommand):
                         if options['debug']:
                             print(sql)
                         cursor.execute(sql)
-                    contraints = connection.introspection.get_constraints(cursor, table)
+                    indexes = connection.introspection.get_indexes(cursor, table)
-                    indexes = {
-                        ','.join(c['columns']): {'primary_key': c['primary_key'], 'unique': c['unique']}
-                        for k, c in contraints.items()
-                        if c['index'] or c['primary_key'] or c['unique']
-                    }
                 if column not in indexes:
                     create_index("%s_%s_idx" % (table, column), table, column)
             transaction.commit()

pandora/item/management/commands/sync_itemsort.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 from django.core.management.base import BaseCommand
 from django.db import connection, transaction

pandora/item/management/commands/update_external.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 
 from django.core.management.base import BaseCommand

pandora/item/management/commands/update_itemsfolder.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 
 import os
 
@@ -37,10 +38,10 @@ class Command(BaseCommand):
                     versions = os.path.join(prefix, os.path.dirname(path), 'Versions')
                     s = f.streams.filter(source=None)[0]
                     basename = os.path.basename(path).rsplit('.', 1)[0]
-                    target = os.path.join(versions, '%s.%s' % (basename, s.format))
+                    target = os.path.join(versions, u'%s.%s' % (basename, s.format))
                     link(s.media.path, target)
                 else:
                     s = f.streams.filter(source=None)[0]
                     basename = path.rsplit('.', 1)[0]
-                    target = os.path.join(prefix, '%s.%s' % (basename, s.format))
+                    target = os.path.join(prefix, u'%s.%s' % (basename, s.format))
                     link(s.media.path, target)

pandora/item/managers.py

@@ -1,8 +1,10 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from datetime import datetime
 import unicodedata
 
+from six import string_types
 from django.db.models import Q, Manager
 from django.conf import settings
 
@@ -79,7 +81,7 @@ def parseCondition(condition, user, owner=None):
 
     if (not exclude and op == '=' or op in ('$', '^')) and v == '':
         return Q()
-    elif k == 'filename' and (user.is_anonymous or not user.profile.capability('canSeeMedia')):
+    elif k == 'filename' and (user.is_anonymous() or not user.profile.capability('canSeeMedia')):
         return Q(id=0)
     elif k == 'oshash':
         return Q(files__oshash=v)
@@ -98,7 +100,7 @@ def parseCondition(condition, user, owner=None):
             q = ~q
         return q
     elif k in ('canplayvideo', 'canplayclips'):
-        level = user.is_anonymous and 'guest' or user.profile.get_level()
+        level = user.is_anonymous() and 'guest' or user.profile.get_level()
         allowed_level = settings.CONFIG['capabilities'][{
             'canplayvideo': 'canPlayVideo',
             'canplayclips': 'canPlayClips'
@@ -122,7 +124,7 @@ def parseCondition(condition, user, owner=None):
         else:
             value_key = k
         if not k.startswith('public_id'):
-            if isinstance(v, str):
+            if isinstance(v, string_types):
                 v = unicodedata.normalize('NFKD', v).lower()
         if k in facet_keys:
             in_find = False
@@ -247,7 +249,7 @@ class ItemManager(Manager):
         if l != "*":
             l = l.split(":")
             only_public = True
-            if not user.is_anonymous:
+            if not user.is_anonymous():
                 if len(l) == 1:
                     l = [user.username] + l
                 if user.username == l[0]:
@@ -303,7 +305,7 @@ class ItemManager(Manager):
         qs = qs.distinct()
         
         #anonymous can only see public items
-        if not user or user.is_anonymous:
+        if not user or user.is_anonymous():
             level = 'guest'
             allowed_level = settings.CONFIG['capabilities']['canSeeItem'][level]
             qs = qs.filter(level__lte=allowed_level)

pandora/item/models.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import json
 import os
@@ -10,7 +11,9 @@ import unicodedata
 import uuid
 from datetime import datetime
 from glob import glob
-from urllib.parse import quote
+
+from six import PY2, string_types
+from six.moves.urllib.parse import quote
 
 from django.conf import settings
 from django.contrib.auth import get_user_model
@@ -18,6 +21,7 @@ from django.core.files.temp import NamedTemporaryFile
 from django.db import models, transaction, connection
 from django.db.models import Q, Sum, Max
 from django.db.models.signals import pre_delete
+from django.utils.encoding import python_2_unicode_compatible
 from django.utils import datetime_safe
 
 import ox
@@ -44,6 +48,8 @@ import archive.models
 
 User = get_user_model()
 
+if not PY2:
+    unicode = str
 
 def get_id(info):
     q = Item.objects.all()
@@ -158,11 +164,12 @@ def get_poster_path(f, x):
 def get_torrent_path(f, x):
     return get_path(f, 'torrent.torrent')
 
+@python_2_unicode_compatible
 class Item(models.Model):
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
 
-    user = models.ForeignKey(User, null=True, related_name='items', on_delete=models.CASCADE)
+    user = models.ForeignKey(User, null=True, related_name='items')
     groups = models.ManyToManyField(Group, blank=True, related_name='items')
 
     # while metadata is updated, files are set to rendered=False
@@ -214,7 +221,7 @@ class Item(models.Model):
         return default
 
     def access(self, user):
-        if user.is_anonymous:
+        if user.is_anonymous():
             level = 'guest'
         else:
             level = user.profile.get_level()
@@ -229,7 +236,7 @@ class Item(models.Model):
         return False
 
     def editable(self, user):
-        if user.is_anonymous:
+        if user.is_anonymous():
             return False
         if user.profile.capability('canEditMetadata') or \
            user.is_staff or \
@@ -280,11 +287,11 @@ class Item(models.Model):
                     self.data[key] = [ox.escape_html(t) for t in data[key]]
                 elif key in ('episodeTitle', 'seriesTitle', 'episodeDirector', 'seriesYear'):
                     self.data[key] = ox.escape_html(data[key])
-                elif isinstance(data[key], str):
+                elif isinstance(data[key], string_types):
                     self.data[key] = ox.escape_html(data[key])
                 elif isinstance(data[key], list):
                     def cleanup(i):
-                        if isinstance(i, str):
+                        if isinstance(i, string_types):
                             i = ox.escape_html(i)
                         return i
                     self.data[key] = [cleanup(i) for i in data[key]]
@@ -325,7 +332,7 @@ class Item(models.Model):
         if c:
             for t in list(c):
                 if c[t]:
-                    if isinstance(c[t][0], str):
+                    if isinstance(c[t][0], string_types):
                         c[t] = [{'id': i, 'title': None} for i in c[t]]
                     ids = [i['id'] for i in c[t]]
                     known = {}
@@ -343,10 +350,10 @@ class Item(models.Model):
     def __str__(self):
         year = self.get('year')
         if year:
-            string = '%s (%s)' % (ox.decode_html(self.get('title', 'Untitled')), self.get('year'))
+            string = u'%s (%s)' % (ox.decode_html(self.get('title', 'Untitled')), self.get('year'))
         else:
-            string = self.get('title', 'Untitled')
+            string = self.get('title', u'Untitled')
-        return '[%s] %s' % (self.public_id, string)
+        return u'[%s] %s' % (self.public_id, string)
 
     def get_absolute_url(self):
         return '/%s' % self.public_id
@@ -393,7 +400,7 @@ class Item(models.Model):
                         title = self.get(key, 'Untitled')
                         while q.count() != 0:
                             n += 1
-                            self.data[key] = '%s [%d]' % (title, n)
+                            self.data[key] = u'%s [%d]' % (title, n)
                             oxdbId = self.oxdb_id()
                             q = Item.objects.filter(oxdbId=oxdbId).exclude(id=self.id)
                 self.oxdbId = oxdbId
@@ -622,7 +629,7 @@ class Item(models.Model):
                     if value:
                         i[key] = value
 
-        if 'cast' in i and isinstance(i['cast'][0], str):
+        if 'cast' in i and isinstance(i['cast'][0], string_types):
             i['cast'] = [i['cast']]
         if 'cast' in i and isinstance(i['cast'][0], list):
             i['cast'] = [{'actor': x[0], 'character': x[1]} for x in i['cast']]
@@ -793,7 +800,7 @@ class Item(models.Model):
                 f, created = ItemFind.objects.get_or_create(item=self, key=key)
                 if isinstance(value, bool):
                     value = value and 'true' or 'false'
-                if isinstance(value, str):
+                if isinstance(value, string_types):
                     value = ox.decode_html(ox.strip_tags(value.strip()))
                     value = unicodedata.normalize('NFKD', value).lower()
                 f.value = value
@@ -814,7 +821,7 @@ class Item(models.Model):
             for key in settings.CONFIG['itemKeys']:
                 i = key['id']
                 if i == 'title':
-                    save(i, '\n'.join(get_titles()))
+                    save(i, u'\n'.join(get_titles()))
                 elif i == 'rightslevel':
                     save(i, self.level)
                 elif i == 'filename':
@@ -823,17 +830,17 @@ class Item(models.Model):
                     qs = Annotation.objects.filter(item=self)
                     qs = qs.filter(layer__in=Annotation.public_layers()).exclude(findvalue=None)
                     qs = qs.order_by('start')
-                    save(i, '\n'.join([l.findvalue for l in qs]))
+                    save(i, u'\n'.join([l.findvalue for l in qs]))
                 elif key['type'] == 'layer':
                     qs = Annotation.objects.filter(item=self).exclude(findvalue=None)
                     qs = qs.filter(layer=i)
                     qs = qs.order_by('start')
-                    save(i, '\n'.join(list(filter(None, [l.findvalue for l in qs]))))
+                    save(i, u'\n'.join(list(filter(None, [l.findvalue for l in qs]))))
                     layer_keys.append(i)
                 elif i != '*' and i not in self.facet_keys:
                     value = self.get(i)
                     if isinstance(value, list):
-                        value = '\n'.join(value)
+                        value = u'\n'.join(value)
                     save(i, value)
 
             for key in self.facet_keys:
@@ -904,15 +911,15 @@ class Item(models.Model):
             s = ItemSort(item=self)
 
         def sortNames(values):
-            sort_value = ''
+            sort_value = u''
             if values:
-                sort_value = '; '.join([get_name_sort(name) for name in values])
+                sort_value = u'; '.join([get_name_sort(name) for name in values])
             if not sort_value:
-                sort_value = ''
+                sort_value = u''
             return sort_value.lower()
 
         def set_value(s, name, value):
-            if isinstance(value, str):
+            if isinstance(value, string_types):
                 value = ox.decode_html(value.lower())
                 if not value:
                     value = None
@@ -1012,7 +1019,7 @@ class Item(models.Model):
                 sort_type = sort_type[0]
             if name not in self.base_keys:
                 if sort_type == 'title':
-                    value = get_title_sort(self.get(source, 'Untitled'))
+                    value = get_title_sort(self.get(source, u'Untitled'))
                     value = utils.sort_title(value)[:955]
                     set_value(s, name, value)
                 elif sort_type == 'person':
@@ -1020,9 +1027,9 @@ class Item(models.Model):
                     value = utils.sort_string(value)[:955]
                     set_value(s, name, value)
                 elif sort_type == 'string':
-                    value = self.get(source, '')
+                    value = self.get(source, u'')
                     if isinstance(value, list):
-                        value = ','.join(value)
+                        value = u','.join(value)
                     value = utils.sort_string(value)[:955]
                     set_value(s, name, value)
                 elif sort_type == 'words':
@@ -1048,7 +1055,7 @@ class Item(models.Model):
                     set_value(s, name, value)
                 elif sort_type == 'date':
                     value = value_ = self.get(source)
-                    if isinstance(value, str):
+                    if isinstance(value, string_types):
                         value_ = None
                         for fmt in ('%Y-%m-%d', '%Y-%m', '%Y'):
                             try:
@@ -1087,7 +1094,7 @@ class Item(models.Model):
             if not current_values:
                 current_values = []
             else:
-                current_values = [str(current_values)]
+                current_values = [unicode(current_values)]
 
         filter_map = utils.get_by_id(settings.CONFIG['itemKeys'], key).get('filterMap')
         if filter_map:
@@ -1777,6 +1784,7 @@ for key in settings.CONFIG['itemKeys']:
     if key.get('sortType') == 'person':
         Item.person_keys.append(key['id'])
 
+@python_2_unicode_compatible
 class ItemFind(models.Model):
     """
         used to find items,
@@ -1787,19 +1795,19 @@ class ItemFind(models.Model):
     class Meta:
         unique_together = ("item", "key")
 
-    item = models.ForeignKey('Item', related_name='find', db_index=True, on_delete=models.CASCADE)
+    item = models.ForeignKey('Item', related_name='find', db_index=True)
     key = models.CharField(max_length=200, db_index=True)
     value = models.TextField(blank=True, db_index=settings.DB_GIN_TRGM)
 
     def __str__(self):
-        return "%s=%s" % (self.key, self.value)
+        return u"%s=%s" % (self.key, self.value)
 '''
 ItemSort
 table constructed based on info in settings.CONFIG['itemKeys']
 '''
 attrs = {
     '__module__': 'item.models',
-    'item': models.OneToOneField('Item', related_name='sort', primary_key=True, on_delete=models.CASCADE),
+    'item': models.OneToOneField('Item', related_name='sort', primary_key=True),
     'duration': models.FloatField(null=True, blank=True, db_index=True),
     'width': models.BigIntegerField(null=True, blank=True, db_index=True),
     'height': models.BigIntegerField(null=True, blank=True, db_index=True),
@@ -1818,13 +1826,14 @@ for key in list(filter(lambda k: k.get('sort', False) or k['type'] in ('integer'
 ItemSort = type('ItemSort', (models.Model,), attrs)
 ItemSort.fields = [f.name for f in ItemSort._meta.fields]
 
+@python_2_unicode_compatible
 class Access(models.Model):
     class Meta:
         unique_together = ("item", "user")
 
     access = models.DateTimeField(auto_now=True)
-    item = models.ForeignKey(Item, related_name='accessed', on_delete=models.CASCADE)
+    item = models.ForeignKey(Item, related_name='accessed')
-    user = models.ForeignKey(User, null=True, related_name='accessed_items', on_delete=models.CASCADE)
+    user = models.ForeignKey(User, null=True, related_name='accessed_items')
     accessed = models.IntegerField(default=0)
 
     def save(self, *args, **kwargs):
@@ -1837,9 +1846,10 @@ class Access(models.Model):
 
     def __str__(self):
         if self.user:
-            return "%s/%s/%s" % (self.user, self.item, self.access)
+            return u"%s/%s/%s" % (self.user, self.item, self.access)
-        return "%s/%s" % (self.item, self.access)
+        return u"%s/%s" % (self.item, self.access)
 
+@python_2_unicode_compatible
 class Facet(models.Model):
     '''
         used for keys that can have multiple values like people, languages etc.
@@ -1850,13 +1860,13 @@ class Facet(models.Model):
     class Meta:
         unique_together = ("item", "key", "value")
 
-    item = models.ForeignKey('Item', related_name='facets', on_delete=models.CASCADE)
+    item = models.ForeignKey('Item', related_name='facets')
     key = models.CharField(max_length=200, db_index=True)
     value = models.CharField(max_length=1000, db_index=True)
     sortvalue = models.CharField(max_length=1000, db_index=True)
 
     def __str__(self):
-        return "%s=%s" % (self.key, self.value)
+        return u"%s=%s" % (self.key, self.value)
 
     def save(self, *args, **kwargs):
         if not self.sortvalue:
@@ -1876,7 +1886,7 @@ class Description(models.Model):
 
 
 class AnnotationSequence(models.Model):
-    item = models.OneToOneField('Item', related_name='_annotation_sequence', on_delete=models.CASCADE)
+    item = models.OneToOneField('Item', related_name='_annotation_sequence')
     value = models.BigIntegerField(default=1)
 
     @classmethod

pandora/item/site.py

@@ -1,51 +0,0 @@
-# -*- coding: utf-8 -*-
-
-from django.urls import path, re_path
-
-from . import views
-
-urls = [
-    [
-        #frames
-        re_path(r'^(?P<id>[A-Z0-9].*)/(?P<size>\d+)p(?P<position>[\d\.]*)\.jpg$', views.frame),
-
-        #timelines
-        re_path(r'^(?P<id>[A-Z0-9].*)/timeline(?P<mode>[a-z]*)(?P<size>\d+)p(?P<position>\d+)\.(?P<format>png|jpg)$', views.timeline),
-        re_path(r'^(?P<id>[A-Z0-9].*)/timeline(?P<mode>[a-z]*)(?P<size>\d+)p\.(?P<format>png|jpg)$', views.timeline),
-
-        #download
-        re_path(r'^(?P<id>[A-Z0-9].*)/download$', views.download),
-        re_path(r'^(?P<id>[A-Z0-9].*)/download/$', views.download),
-        re_path(r'^(?P<id>[A-Z0-9].*)/download/source/(?P<part>\d+)?$', views.download_source),
-        re_path(r'^(?P<id>[A-Z0-9].*)/download/(?P<resolution>\d+)p(?P<part>\d+)\.(?P<format>webm|ogv|mp4)$', views.download),
-        re_path(r'^(?P<id>[A-Z0-9].*)/download/(?P<resolution>\d+)p\.(?P<format>webm|ogv|mp4)$', views.download),
-
-        #video
-        re_path(r'^(?P<id>[A-Z0-9].*)/(?P<resolution>\d+)p(?P<index>\d*)\.(?P<format>webm|ogv|mp4)$', views.video),
-        re_path(r'^(?P<id>[A-Z0-9].*)/(?P<resolution>\d+)p(?P<index>\d*)\.(?P<track>.+)\.(?P<format>webm|ogv|mp4)$', views.video),
-
-        #torrent
-        re_path(r'^(?P<id>[A-Z0-9].*)/torrent$', views.torrent),
-        re_path(r'^(?P<id>[A-Z0-9].*)/torrent/(?P<filename>.*?)$', views.torrent),
-
-        #export
-        re_path(r'^(?P<id>[A-Z0-9].*)/json$', views.item_json),
-        re_path(r'^(?P<id>[A-Z0-9].*)/xml$', views.item_xml),
-
-        #srt export
-        re_path(r'^(?P<id>[A-Z0-9].*)/(?P<layer>.+)\.(?:(?P<language>.{2})\.)?(?P<ext>srt|vtt)$', views.srt),
-
-        #icon
-        re_path(r'^(?P<id>[A-Z0-9].*)/icon(?P<size>\d*)\.jpg$', views.icon),
-
-        #poster
-        re_path(r'^(?P<id>[A-Z0-9].*)/posterframe(?P<position>\d+).jpg$', views.poster_frame),
-        re_path(r'^(?P<id>[A-Z0-9].*)/poster(?P<size>\d+)\.jpg$', views.poster),
-        re_path(r'^(?P<id>[A-Z0-9].*)/siteposter(?P<size>\d*)\.jpg$', views.siteposter),
-        re_path(r'^(?P<id>[A-Z0-9].*)/poster\.jpg$', views.siteposter),
-
-        re_path(r'^random$', views.random_annotation),
-    ],
-    'item',
-    'item',
-]

pandora/item/tasks.py

@@ -1,11 +1,12 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
-from datetime import timedelta, datetime
-from urllib.parse import quote
-import gzip
 import os
+from datetime import timedelta, datetime
+import gzip
 import random
 
+from six.moves.urllib.parse import quote
 from celery.task import task, periodic_task
 from django.conf import settings
 from django.db import connection, transaction

pandora/item/timelines.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, with_statement, print_function
 
 import math
 import os

pandora/item/urls.py

@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+
+from django.conf.urls import url
+
+from . import views
+
+urlpatterns = [
+    #frames
+    url(r'^(?P<id>[A-Z0-9].*)/(?P<size>\d+)p(?P<position>[\d\.]*)\.jpg$', views.frame),
+
+    #timelines
+    url(r'^(?P<id>[A-Z0-9].*)/timeline(?P<mode>[a-z]*)(?P<size>\d+)p(?P<position>\d+)\.(?P<format>png|jpg)$', views.timeline),
+    url(r'^(?P<id>[A-Z0-9].*)/timeline(?P<mode>[a-z]*)(?P<size>\d+)p\.(?P<format>png|jpg)$', views.timeline),
+
+    #download
+    url(r'^(?P<id>[A-Z0-9].*)/download$', views.download),
+    url(r'^(?P<id>[A-Z0-9].*)/download/$', views.download),
+    url(r'^(?P<id>[A-Z0-9].*)/download/source/(?P<part>\d+)?$', views.download_source),
+    url(r'^(?P<id>[A-Z0-9].*)/download/(?P<resolution>\d+)p(?P<part>\d+)\.(?P<format>webm|ogv|mp4)$', views.download),
+    url(r'^(?P<id>[A-Z0-9].*)/download/(?P<resolution>\d+)p\.(?P<format>webm|ogv|mp4)$', views.download),
+
+    #video
+    url(r'^(?P<id>[A-Z0-9].*)/(?P<resolution>\d+)p(?P<index>\d*)\.(?P<format>webm|ogv|mp4)$', views.video),
+    url(r'^(?P<id>[A-Z0-9].*)/(?P<resolution>\d+)p(?P<index>\d*)\.(?P<track>.+)\.(?P<format>webm|ogv|mp4)$', views.video),
+
+    #torrent
+    url(r'^(?P<id>[A-Z0-9].*)/torrent$', views.torrent),
+    url(r'^(?P<id>[A-Z0-9].*)/torrent/(?P<filename>.*?)$', views.torrent),
+
+    #export
+    url(r'^(?P<id>[A-Z0-9].*)/json$', views.item_json),
+    url(r'^(?P<id>[A-Z0-9].*)/xml$', views.item_xml),
+
+    #srt export
+    url(r'^(?P<id>[A-Z0-9].*)/(?P<layer>.+)\.(?:(?P<language>.{2})\.)?(?P<ext>srt|vtt)$', views.srt),
+
+    #icon
+    url(r'^(?P<id>[A-Z0-9].*)/icon(?P<size>\d*)\.jpg$', views.icon),
+
+    #poster
+    url(r'^(?P<id>[A-Z0-9].*)/posterframe(?P<position>\d+).jpg$', views.poster_frame),
+    url(r'^(?P<id>[A-Z0-9].*)/poster(?P<size>\d+)\.jpg$', views.poster),
+    url(r'^(?P<id>[A-Z0-9].*)/siteposter(?P<size>\d*)\.jpg$', views.siteposter),
+    url(r'^(?P<id>[A-Z0-9].*)/poster\.jpg$', views.siteposter),
+
+    url(r'^random$', views.random_annotation),
+]

pandora/item/utils.py

@@ -6,6 +6,7 @@ import unicodedata
 
 import ox
 from ox import sort_string
+from six import PY2
 
 
 def safe_filename(filename):
@@ -54,14 +55,13 @@ def plural_key(term):
 
 def sort_title(title):
 
-    title = title.replace('Æ', 'Ae')
+    title = title.replace(u'Æ', 'Ae')
     if isinstance(title, bytes):
         title = title.decode('utf-8')
-    title = ox.decode_html(title)
     title = sort_string(title)
 
     #title
-    title = re.sub('[\'!¿¡,\.;\-"\:\*\[\]]', '', title)
+    title = re.sub(u'[\'!¿¡,\.;\-"\:\*\[\]]', '', title)
     return title.strip()
 
 def get_positions(ids, pos, decode_id=False):
@@ -91,7 +91,11 @@ def get_by_id(objects, id):
     return get_by_key(objects, 'id', id)
 
 def normalize_dict(encoding, data):
-    if isinstance(data, str):
+    if PY2:
+        string_type = unicode
+    else:
+        string_type = str
+    if isinstance(data, string_type):
         data = unicodedata.normalize(encoding, data)
     elif isinstance(data, dict):
         for key in data:

pandora/item/views.py

@@ -1,12 +1,14 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
-from datetime import datetime, timedelta
-from urllib.parse import quote, urlparse
-import mimetypes
 import os.path
+import mimetypes
 import random
 import time
+from datetime import datetime, timedelta
 
+from six import PY2
+from six.moves.urllib.parse import quote, urlparse
 from PIL import Image
 from django.db.models import Count, Sum
 from django.http import HttpResponse, HttpResponseForbidden, Http404
@@ -34,6 +36,8 @@ from changelog.models import add_changelog
 
 from oxdjango.api import actions
 
+if not PY2:
+    unicode = str
 
 def _order_query(qs, sort, prefix='sort__'):
     order_by = []
@@ -140,7 +144,7 @@ def get_positions(request, query):
     return utils.get_positions(ids, query['positions'])
 
 def is_editable(request, item):
-    if request.user.is_anonymous:
+    if request.user.is_anonymous():
         return False
     if not hasattr(request, 'user_group_names'):
         request.user_group_names = {g.name for g in request.user.groups.all()}
@@ -1093,7 +1097,7 @@ def video(request, id, resolution, format, index=None, track=None):
         ext = '.%s' % format
         duration = stream.info['duration']
 
-        filename = "Clip of %s - %s-%s - %s %s%s" % (
+        filename = u"Clip of %s - %s-%s - %s %s%s" % (
             item.get('title'),
             ox.format_duration(t[0] * 1000).replace(':', '.')[:-4],
             ox.format_duration(t[1] * 1000).replace(':', '.')[:-4],
@@ -1162,9 +1166,9 @@ def srt(request, id, layer, language=None, index=None, ext='srt'):
         content_type, encoder = _subtitle_formats[ext]
         response = HttpResponse()
         if language:
-            filename = "%s.%s.%s" % (item.get('title'), language, ext)
+            filename = u"%s.%s.%s" % (item.get('title'), language, ext)
         else:
-            filename = "%s.%s" % (item.get('title'), ext)
+            filename = u"%s.%s" % (item.get('title'), ext)
         response['Content-Disposition'] = "attachment; filename*=UTF-8''%s" % quote(filename.encode('utf-8'))
         response['Content-Type'] = content_type
         response.write(item.srt(layer, language, encoder=encoder))
@@ -1202,7 +1206,7 @@ def atom_xml(request):
     el.text = atom_link
 
     level = settings.CONFIG['capabilities']['canSeeItem']['guest']
-    if not request.user.is_anonymous:
+    if not request.user.is_anonymous():
         level = request.user.profile.level
     for item in models.Item.objects.filter(level__lte=level, rendered=True).order_by('-created')[:7]:
         if add_updated:
@@ -1228,7 +1232,7 @@ def atom_xml(request):
         if item.get('director'):
             el = ET.SubElement(entry, "author")
             name = ET.SubElement(el, "name")
-            name.text = ox.decode_html(', '.join(item.get('director')))
+            name.text = ox.decode_html(u', '.join(item.get('director')))
         elif item.user:
             el = ET.SubElement(entry, "author")
             name = ET.SubElement(el, "name")
@@ -1277,9 +1281,9 @@ def atom_xml(request):
                     }.get(key, key))
                 if value and value != -1:
                     el = ET.SubElement(format, key)
-                    el.text = str(value)
+                    el.text = unicode(value)
         el = ET.SubElement(format, 'pixel_aspect_ratio')
-        el.text = "1:1"
+        el.text = u"1:1"
 
         if has_capability(request.user, 'canDownloadVideo'):
             if item.torrent:
@@ -1354,7 +1358,7 @@ def oembed(request):
         oxml = ET.Element('oembed')
         for key in oembed:
             e = ET.SubElement(oxml, key)
-            e.text = str(oembed[key])
+            e.text = unicode(oembed[key])
         return HttpResponse(
             '<?xml version="1.0" encoding="utf-8" standalone="yes"?>\n' + ET.tostring(oxml).decode(),
             'application/xml'
@@ -1382,7 +1386,7 @@ def sitemap_part_xml(request, part):
 
 def item_json(request, id):
     level = settings.CONFIG['capabilities']['canSeeItem']['guest']
-    if not request.user.is_anonymous:
+    if not request.user.is_anonymous():
         level = request.user.profile.level
     qs = models.Item.objects.filter(public_id=id, level__lte=level)
     if qs.count() == 0:
@@ -1395,7 +1399,7 @@ def item_json(request, id):
 
 def item_xml(request, id):
     level = settings.CONFIG['capabilities']['canSeeItem']['guest']
-    if not request.user.is_anonymous:
+    if not request.user.is_anonymous():
         level = request.user.profile.level
     qs = models.Item.objects.filter(public_id=id, level__lte=level)
     if qs.count() == 0:
@@ -1420,7 +1424,7 @@ def item_xml(request, id):
                         xmltree(root, k, data[k])
             else:
                 e = ET.SubElement(root, key)
-                e.text = str(data)
+                e.text = unicode(data)
 
         oxml = ET.Element('item')
         xmltree(oxml, 'item', j)
@@ -1435,7 +1439,7 @@ def item(request, id):
     view = None
     template = 'index.html'
     level = settings.CONFIG['capabilities']['canSeeItem']['guest']
-    if not request.user.is_anonymous:
+    if not request.user.is_anonymous():
         level = request.user.profile.level
     qs = models.Item.objects.filter(public_id=id, level__lte=level)
     if qs.count() == 0:
@@ -1480,7 +1484,7 @@ def item(request, id):
                 else:
                     title = key['title'] if key else k.capitalize()
                 if isinstance(value, list):
-                    value = value = ', '.join([str(v) for v in value])
+                    value = value = u', '.join([unicode(v) for v in value])
                 elif key and key.get('type') == 'float':
                     value = '%0.3f' % value
                 elif key and key.get('type') == 'time':
@@ -1489,7 +1493,7 @@ def item(request, id):
         clips = []
         clip = {'in': 0, 'annotations': []}
         # logged in users should have javascript. not adding annotations makes load faster
-        if not settings.USE_IMDB and request.user.is_anonymous:
+        if not settings.USE_IMDB and request.user.is_anonymous():
             for a in item.annotations.exclude(
                 layer='subtitles'
             ).exclude(
@@ -1509,13 +1513,13 @@ def item(request, id):
         head_title = item.get('title', '')
         title = item.get('title', '')
         if item.get('director'):
-            head_title += ' (%s)' % ', '.join(item.get('director', []))
+            head_title += u' (%s)' % u', '.join(item.get('director', []))
         if item.get('year'):
-            head_title += ' %s' % item.get('year')
+            head_title += u' %s' % item.get('year')
-            title += ' (%s)' % item.get('year')
+            title += u' (%s)' % item.get('year')
         if view:
-            head_title += ' – %s' % view
+            head_title += u' – %s' % view
-        head_title += ' – %s' % settings.SITENAME
+        head_title += u' – %s' % settings.SITENAME
         head_title = ox.decode_html(head_title)
         title = ox.decode_html(title)
         ctx = {

pandora/itemlist/managers.py

@@ -124,7 +124,7 @@ class ListManager(Manager):
         if conditions:
             qs = qs.filter(conditions)
 
-        if user.is_anonymous:
+        if user.is_anonymous():
             qs = qs.filter(Q(status='public') | Q(status='featured'))
         else:
             qs = qs.filter(Q(status='public') | Q(status='featured') | Q(user=user))

pandora/itemlist/models.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import os
 import re
@@ -9,6 +10,7 @@ from django.db import models
 from django.db.models import Max
 from django.contrib.auth import get_user_model
 from django.conf import settings
+from django.utils.encoding import python_2_unicode_compatible
 from oxdjango.fields import JSONField
 
 import ox
@@ -26,6 +28,7 @@ def get_icon_path(f, x): return get_path(f, 'icon.jpg')
 def get_listview(): return settings.CONFIG['user']['ui']['listView']
 def get_listsort(): return tuple(settings.CONFIG['user']['ui']['listSort'])
 
+@python_2_unicode_compatible
 class List(models.Model):
 
     class Meta:
@@ -33,7 +36,7 @@ class List(models.Model):
 
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
-    user = models.ForeignKey(User, related_name='lists', on_delete=models.CASCADE)
+    user = models.ForeignKey(User, related_name='lists')
     groups = models.ManyToManyField(Group, blank=True, related_name='lists')
     name = models.CharField(max_length=255)
     status = models.CharField(max_length=20, default='private')
@@ -47,7 +50,7 @@ class List(models.Model):
     view = models.TextField(default=get_listview)
     sort = JSONField(default=get_listsort, editable=False)
 
-    poster_frames = JSONField(default=list, editable=False)
+    poster_frames = JSONField(default=[], editable=False)
 
     #is through table still required?
     items = models.ManyToManyField('item.Item', related_name='lists',
@@ -107,13 +110,13 @@ class List(models.Model):
         return self.get_id()
 
     def get_id(self):
-        return '%s:%s' % (self.user.username, self.name)
+        return u'%s:%s' % (self.user.username, self.name)
 
     def accessible(self, user):
         return self.user == user or self.status in ('public', 'featured')
 
     def editable(self, user):
-        if not user or user.is_anonymous:
+        if not user or user.is_anonymous():
             return False
         if self.user == user or \
            self.groups.filter(id__in=user.groups.all()).count() > 0 or \
@@ -241,7 +244,7 @@ class List(models.Model):
             elif key == 'subscribers':
                 response[key] = self.subscribed_users.all().count()
             elif key == 'subscribed':
-                if user and not user.is_anonymous:
+                if user and not user.is_anonymous():
                     response[key] = self.subscribed_users.filter(id=user.id).exists()
             else:
                 response[key] = getattr(self, {
@@ -311,27 +314,29 @@ class List(models.Model):
                 path = source
         return path
 
+@python_2_unicode_compatible
 class ListItem(models.Model):
     created = models.DateTimeField(auto_now_add=True)
     modified = models.DateTimeField(auto_now=True)
-    list = models.ForeignKey(List, on_delete=models.CASCADE)
+    list = models.ForeignKey(List)
     index = models.IntegerField(default=0)
-    item = models.ForeignKey('item.Item', on_delete=models.CASCADE)
+    item = models.ForeignKey('item.Item')
 
     def __str__(self):
-        return '%s in %s' % (self.item, self.list)
+        return u'%s in %s' % (self.item, self.list)
 
 
+@python_2_unicode_compatible
 class Position(models.Model):
 
     class Meta:
         unique_together = ("user", "list", "section")
 
-    list = models.ForeignKey(List, related_name='position', on_delete=models.CASCADE)
+    list = models.ForeignKey(List, related_name='position')
-    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    user = models.ForeignKey(User)
     section = models.CharField(max_length=255)
     position = models.IntegerField(default=0)
 
     def __str__(self):
-        return '%s/%s/%s' % (self.section, self.position, self.list)
+        return u'%s/%s/%s' % (self.section, self.position, self.list)
 

pandora/itemlist/views.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import os
 import re
@@ -74,7 +75,7 @@ def findLists(request, data):
     query = parse_query(data, request.user)
 
     #order
-    is_section_request = query['sort'] == [{'operator': '+', 'key': 'position'}]
+    is_section_request = query['sort'] == [{u'operator': u'+', u'key': u'position'}]
     def is_featured_condition(x):
         return x['key'] == 'status' and \
                x['value'] == 'featured' and \
@@ -86,7 +87,7 @@ def findLists(request, data):
 
     if is_section_request:
         qs = query['qs']
-        if not is_featured and not request.user.is_anonymous:
+        if not is_featured and not request.user.is_anonymous():
             qs = qs.filter(position__in=models.Position.objects.filter(user=request.user))
         qs = qs.order_by('position__position')
     else:

pandora/log/models.py

@@ -1,7 +1,9 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.db import models
 from django.contrib.auth import get_user_model
+from django.utils.encoding import python_2_unicode_compatible
 
 import ox
 
@@ -10,10 +12,11 @@ from . import managers
 User = get_user_model()
 
 
+@python_2_unicode_compatible
 class Log(models.Model):
     created = models.DateTimeField(auto_now_add=True, db_index=True)
     modified = models.DateTimeField(auto_now=True)
-    user = models.ForeignKey(User, default=None, blank=True, null=True, on_delete=models.CASCADE)
+    user = models.ForeignKey(User, default=None, blank=True, null=True)
     url = models.CharField(max_length=1000, default='')
     line = models.IntegerField(default=0)
     text = models.TextField(blank=True)
@@ -21,7 +24,7 @@ class Log(models.Model):
     objects = managers.LogManager()
 
     def __str__(self):
-        return "%s" % self.id
+        return u"%s" % self.id
 
     def json(self, keys=None):
         j = {

pandora/log/tasks.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from datetime import timedelta, datetime
 

pandora/log/utils.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import logging
 import sys
@@ -33,7 +34,7 @@ class ErrorHandler(logging.Handler):
                 request = record.request
 
             request_repr = repr(request)
-            if request.user.is_authenticated:
+            if request.user.is_authenticated():
                 user = request.user
             url = request.META.get('PATH_INFO', '')
         except:

pandora/log/views.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import ox
 from ox.utils import json
@@ -24,7 +25,7 @@ def logError(request, data):
     returns {}
     see: findErrorLogs, removeErrorLogs
     '''
-    if request.user.is_authenticated:
+    if request.user.is_authenticated():
         user = request.user
     else:
         user = None

pandora/news/admin.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.contrib import admin
 

pandora/news/models.py

@@ -1,11 +1,14 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 from django.db import models
+from django.utils.encoding import python_2_unicode_compatible
 import ox
 
 from . import managers
 
 
+@python_2_unicode_compatible
 class News(models.Model):
     objects = managers.NewsManager()
 
@@ -17,7 +20,7 @@ class News(models.Model):
     text = models.TextField()
 
     def editable(self, user):
-        return user.is_authenticated and user.profile.capability("canEditSitePages")
+        return user.is_authenticated() and user.profile.capability("canEditSitePages")
 
     def save(self, *args, **kwargs):
         super(News, self).save(*args, **kwargs)
@@ -39,5 +42,5 @@ class News(models.Model):
         return j
 
     def __str__(self):
-        return "%s/%s" % (self.date, self.title)
+        return u"%s/%s" % (self.date, self.title)
 

pandora/news/views.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import ox
 from ox.utils import json

pandora/oxdjango/api/__init__.py

@@ -1 +1,3 @@
+from __future__ import absolute_import
+
 from .actions import actions

pandora/oxdjango/api/actions.py

@@ -1,7 +1,10 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, absolute_import
+
 import inspect
 import sys
 
+from six import PY2
 from django.conf import settings
 
 from ..shortcuts import render_to_json_response, json_response
@@ -106,8 +109,12 @@ class ApiActions(dict):
         if name != 'api' and hasattr(f, 'func_closure') and f.func_closure:
             fc = list(filter(lambda c: hasattr(c.cell_contents, '__call__'), f.func_closure))
             f = fc[len(fc)-1].cell_contents
-        info = f.__code__.co_filename[len(settings.PROJECT_ROOT)+1:]
+        if PY2:
-        info = '%s:%s' % (info, f.__code__.co_firstlineno)
+            info = f.func_code.co_filename[len(settings.PROJECT_ROOT)+1:]
+            info = u'%s:%s' % (info, f.func_code.co_firstlineno)
+        else:
+            info = f.__code__.co_filename[len(settings.PROJECT_ROOT)+1:]
+            info = u'%s:%s' % (info, f.__code__.co_firstlineno)
         return info, trim(inspect.getsource(f))
 
     def register(self, method, action=None, cache=True, version=None):

pandora/oxdjango/api/site.py

@@ -1,15 +0,0 @@
-# -*- coding: utf-8 -*-
-from django.urls import path
-
-from . import views
-
-from . import actions
-actions.autodiscover()
-
-urls = [
-    [
-        path(r'', views.api),
-    ],
-    'api',
-    'api'
-]

pandora/oxdjango/api/urls.py

@@ -0,0 +1,13 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import
+
+from django.conf.urls import url
+
+from . import views
+
+from . import actions
+actions.autodiscover()
+
+urlpatterns = [
+    url(r'^$', views.api),
+]

pandora/oxdjango/api/views.py

@@ -1,7 +1,9 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, absolute_import
+
 import json
 
-from django.shortcuts import render
+from django.shortcuts import render_to_response
 from django.conf import settings
 
 from ..shortcuts import render_to_json_response, json_response, HttpErrorJson
@@ -29,7 +31,7 @@ def api(request):
             'settings': settings,
             'sitename': settings.SITENAME
         }
-        response = render(request, 'api.html', context)
+        response = render_to_response('api.html', context)
         response['Access-Control-Allow-Origin'] = '*'
         return response
     if request.META.get('CONTENT_TYPE') == 'application/json':

pandora/oxdjango/decorators.py

@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import
+
 from functools import wraps
 
 from .shortcuts import render_to_json_response
@@ -10,7 +12,7 @@ def login_required_json(function=None):
     """
 
     def _wrapped_view(request, *args, **kwargs):
-        if request.user.is_authenticated:
+        if request.user.is_authenticated():
             return function(request, *args, **kwargs)
         return render_to_json_response({'status': {'code': 401, 'text': 'login required'}})
     return wraps(function)(_wrapped_view)
@@ -22,7 +24,7 @@ def admin_required_json(function=None):
     """
 
     def _wrapped_view(request, *args, **kwargs):
-        if request.user.is_authenticated and request.user.profile.get_level() == 'admin':
+        if request.user.is_authenticated() and request.user.profile.get_level() == 'admin':
             return function(request, *args, **kwargs)
         return render_to_json_response({'status': {'code': 403, 'text': 'permission denied'}})
     return wraps(function)(_wrapped_view)

pandora/oxdjango/fields.py

@@ -8,6 +8,8 @@ from django.utils import datetime_safe
 import django.contrib.postgres.fields
 from django.core.serializers.json import DjangoJSONEncoder
 
+from six import string_types
+
 from ox.utils import json
 
 class JSONField(django.contrib.postgres.fields.JSONField):
@@ -62,7 +64,7 @@ class DictField(models.TextField):
     def dumps(cls, obj):
         return json.dumps(obj, default=to_json, ensure_ascii=False)
 
-    def from_db_value(self, value, expression, connection, context=None):
+    def from_db_value(self, value, expression, connection, context):
         if value is None:
             return value
         if isinstance(value, self._type):
@@ -72,7 +74,7 @@ class DictField(models.TextField):
         except:
             raise Exception('failed to parse value: %s' % value)
         if value is not None:
-            if isinstance(value, str):
+            if isinstance(value, string_types):
                 value = json.loads(value)
             assert isinstance(value, self._type)
         return value
@@ -81,7 +83,7 @@ class DictField(models.TextField):
         if isinstance(value, self._type):
             value = self.dumps(value)
         if value is not None:
-            assert isinstance(value, str)
+            assert isinstance(value, string_types)
         value = models.TextField.get_prep_value(self, value)
         return value
 

pandora/oxdjango/http.py

@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
-from datetime import datetime, timedelta
-from urllib.parse import quote
-import mimetypes
 import os
+import mimetypes
+from datetime import datetime, timedelta
+from six.moves.urllib.parse import quote
 
 from django.http import HttpResponse, Http404
 from django.conf import settings

pandora/oxdjango/middleware.py

@@ -1,17 +1,14 @@
 # -*- coding: utf-8 -*-
-from django.utils.deprecation import MiddlewareMixin
 
 from .shortcuts import HttpErrorJson, render_to_json_response
 
-class ExceptionMiddleware(MiddlewareMixin):
+class ExceptionMiddleware(object):
-
     def process_exception(self, request, exception):
         if isinstance(exception, HttpErrorJson):
             return render_to_json_response(exception.response)
         return None
 
-class ChromeFrameMiddleware(MiddlewareMixin):
+class ChromeFrameMiddleware(object):
-
     def process_response(self, request, response):
         response['X-UA-Compatible'] = 'chrome=1'
         return response

pandora/oxdjango/shortcuts.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 import datetime
 from django.utils import datetime_safe
 from django.http import HttpResponse, Http404
@@ -22,7 +23,7 @@ def _to_json(python_object):
         return python_object.strftime('%Y-%m-%dT%H:%M:%SZ')
     if isinstance(python_object, datetime_safe.datetime):
         return python_object.strftime('%Y-%m-%dT%H:%M:%SZ')
-    raise TypeError('%s %s is not JSON serializable' % (repr(python_object), type(python_object)))
+    raise TypeError(u'%s %s is not JSON serializable' % (repr(python_object), type(python_object)))
 
 def json_dump(data, fp, indent=4):
     return json.dump(data, fp, indent=indent, default=_to_json, ensure_ascii=False)

pandora/person/managers.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 import unicodedata
 
+from six import string_types
 from django.db.models import Q, Manager
 
 from item.utils import decode_id
@@ -55,7 +56,7 @@ def parseCondition(condition, user):
     else:
         key = k + get_operator(op, 'istr')
     key = str(key)
-    if isinstance(v, str):
+    if isinstance(v, string_types):
         v = unicodedata.normalize('NFKD', v).lower()
     if exclude:
         q = ~Q(**{key: v})

pandora/person/models.py

@@ -1,8 +1,10 @@
 # -*- coding: utf-8 -*-
+from __future__ import division, print_function, absolute_import
 
 import unicodedata
 
 from django.db import models
+from django.utils.encoding import python_2_unicode_compatible
 
 from oxdjango import fields
 import ox
@@ -22,9 +24,10 @@ def get_name_sort(name, sortname=None):
             person.save()
         sortname = unicodedata.normalize('NFKD', person.sortname)
     else:
-        sortname = ''
+        sortname = u''
     return sortname
 
+@python_2_unicode_compatible
 class Person(models.Model):
     name = models.CharField(max_length=200, unique=True)
     sortname = models.CharField(max_length=200)