add files backend
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10 changed files with 625 additions and 1 deletions
2
README
2
README
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@ -30,7 +30,7 @@ To run pan.do/ra you need to install and setup:
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python-gst0.10 gstreamer0.10-plugins-good gstreamer0.10-plugins-bad \
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postgresql postgresql-contrib rabbitmq-server \
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ffmpeg2theora libav-tools libavcodec-extra-53 \
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python-ox oxframe
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python-ox oxframe imagemagick
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* Prepare Environment
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0
pandora/file/__init__.py
Normal file
0
pandora/file/__init__.py
Normal file
127
pandora/file/managers.py
Normal file
127
pandora/file/managers.py
Normal file
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@ -0,0 +1,127 @@
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# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from django.db.models import Q, Manager
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def parseCondition(condition, user):
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'''
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'''
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k = condition.get('key', 'name')
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k = {
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'user': 'user__username',
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}.get(k, k)
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if not k:
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k = 'name'
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v = condition['value']
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op = condition.get('operator')
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if not op:
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op = '='
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if op.startswith('!'):
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op = op[1:]
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exclude = True
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else:
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exclude = False
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if k == 'id':
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try:
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public_id = v.split(':')
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username = public_id[0]
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name = ":".join(public_id[1:])
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extension = name.split('.')
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name = '.'.join(extension[:-1])
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extension = extension[-1].lower()
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q = Q(user__username=username, name=name, extension=extension)
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except:
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q = Q(id__in=[])
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return q
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if isinstance(v, bool): #featured and public flag
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key = k
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else:
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key = "%s%s" % (k, {
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'==': '__iexact',
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'^': '__istartswith',
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'$': '__iendswith',
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}.get(op, '__icontains'))
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key = str(key)
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if exclude:
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q = ~Q(**{key: v})
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else:
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q = Q(**{key: v})
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return q
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def parseConditions(conditions, operator, user):
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'''
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conditions: [
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{
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value: "war"
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}
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{
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key: "year",
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value: "1970-1980,
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operator: "!="
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},
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{
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key: "country",
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value: "f",
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operator: "^"
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}
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],
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operator: "&"
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'''
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conn = []
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for condition in conditions:
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if 'conditions' in condition:
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q = parseConditions(condition['conditions'],
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condition.get('operator', '&'), user)
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if q:
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conn.append(q)
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pass
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else:
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conn.append(parseCondition(condition, user))
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if conn:
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q = conn[0]
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for c in conn[1:]:
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if operator == '|':
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q = q | c
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else:
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q = q & c
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return q
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return None
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class FileManager(Manager):
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def get_query_set(self):
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return super(FileManager, self).get_query_set()
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def find(self, data, user):
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'''
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query: {
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conditions: [
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{
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value: "war"
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}
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{
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key: "year",
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value: "1970-1980,
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operator: "!="
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},
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{
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key: "country",
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value: "f",
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operator: "^"
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}
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],
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operator: "&"
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}
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'''
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#join query with operator
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qs = self.get_query_set()
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conditions = parseConditions(data['query'].get('conditions', []),
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data['query'].get('operator', '&'),
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user)
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if conditions:
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qs = qs.filter(conditions)
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return qs
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100
pandora/file/migrations/0001_initial.py
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100
pandora/file/migrations/0001_initial.py
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@ -0,0 +1,100 @@
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# -*- coding: utf-8 -*-
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import datetime
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from south.db import db
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from south.v2 import SchemaMigration
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from django.db import models
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class Migration(SchemaMigration):
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def forwards(self, orm):
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# Adding model 'File'
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db.create_table('file_file', (
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('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
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('created', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, blank=True)),
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('modified', self.gf('django.db.models.fields.DateTimeField')(auto_now=True, blank=True)),
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('user', self.gf('django.db.models.fields.related.ForeignKey')(related_name='files', to=orm['auth.User'])),
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('name', self.gf('django.db.models.fields.CharField')(max_length=255)),
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('extension', self.gf('django.db.models.fields.CharField')(max_length=255)),
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('size', self.gf('django.db.models.fields.IntegerField')(default=0)),
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('matches', self.gf('django.db.models.fields.IntegerField')(default=0)),
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('ratio', self.gf('django.db.models.fields.FloatField')(default=1)),
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('description', self.gf('django.db.models.fields.TextField')(default='')),
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('oshash', self.gf('django.db.models.fields.CharField')(max_length=16, unique=True, null=True)),
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('file', self.gf('django.db.models.fields.files.FileField')(default=None, max_length=100, null=True, blank=True)),
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('uploading', self.gf('django.db.models.fields.BooleanField')(default=False)),
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('name_sort', self.gf('django.db.models.fields.CharField')(max_length=255)),
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('description_sort', self.gf('django.db.models.fields.CharField')(max_length=512)),
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))
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db.send_create_signal('file', ['File'])
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# Adding unique constraint on 'File', fields ['user', 'name', 'extension']
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db.create_unique('file_file', ['user_id', 'name', 'extension'])
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def backwards(self, orm):
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# Removing unique constraint on 'File', fields ['user', 'name', 'extension']
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db.delete_unique('file_file', ['user_id', 'name', 'extension'])
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# Deleting model 'File'
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db.delete_table('file_file')
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models = {
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'auth.group': {
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'Meta': {'object_name': 'Group'},
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'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'}),
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'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
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},
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'auth.permission': {
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'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
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'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
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'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
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'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
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},
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'auth.user': {
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'Meta': {'object_name': 'User'},
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'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
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'email': ('django.db.models.fields.EmailField', [], {'max_length': '255', 'blank': 'True'}),
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'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
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'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
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'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
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'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
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'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
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'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
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'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
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'password': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
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'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
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'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'})
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},
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'contenttypes.contenttype': {
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'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
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'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
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'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
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'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
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},
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'file.file': {
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'Meta': {'unique_together': "(('user', 'name', 'extension'),)", 'object_name': 'File'},
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'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
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'description': ('django.db.models.fields.TextField', [], {'default': "''"}),
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'description_sort': ('django.db.models.fields.CharField', [], {'max_length': '512'}),
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'extension': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
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'file': ('django.db.models.fields.files.FileField', [], {'default': 'None', 'max_length': '100', 'null': 'True', 'blank': 'True'}),
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'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'matches': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
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'modified': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
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'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
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'name_sort': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
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'oshash': ('django.db.models.fields.CharField', [], {'max_length': '16', 'unique': 'True', 'null': 'True'}),
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'ratio': ('django.db.models.fields.FloatField', [], {'default': '1'}),
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'size': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
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'uploading': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
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'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'files'", 'to': "orm['auth.User']"})
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}
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}
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complete_apps = ['file']
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0
pandora/file/migrations/__init__.py
Normal file
0
pandora/file/migrations/__init__.py
Normal file
189
pandora/file/models.py
Normal file
189
pandora/file/models.py
Normal file
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# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from __future__ import division, with_statement
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import os
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import re
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import subprocess
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from urllib import quote
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from django.db import models
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from django.contrib.auth.models import User
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from django.db.models.signals import pre_delete
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import Image
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import ox
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import managers
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class File(models.Model):
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class Meta:
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unique_together = ("user", "name", "extension")
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created = models.DateTimeField(auto_now_add=True)
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modified = models.DateTimeField(auto_now=True)
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user = models.ForeignKey(User, related_name='files')
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name = models.CharField(max_length=255)
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extension = models.CharField(max_length=255)
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size = models.IntegerField(default=0)
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matches = models.IntegerField(default=0)
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ratio = models.FloatField(default=1)
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description = models.TextField(default="")
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oshash = models.CharField(max_length=16, unique=True, null=True)
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file = models.FileField(default=None, blank=True,null=True, upload_to=lambda f, x: f.path(x))
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objects = managers.FileManager()
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uploading = models.BooleanField(default = False)
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name_sort = models.CharField(max_length=255)
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description_sort = models.CharField(max_length=512)
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def save(self, *args, **kwargs):
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if not self.uploading:
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if self.file:
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self.size = self.file.size
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if self.extension == 'pdf' and not os.path.exists(self.thumbnail()):
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self.make_thumbnail()
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self.name_sort = ox.sort_string(self.name or u'')[:255]
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self.description_sort = ox.sort_string(self.description or u'')[:512]
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super(File, self).save(*args, **kwargs)
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def __unicode__(self):
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return self.get_id()
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@classmethod
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def get(cls, id):
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username, name, extension = cls.parse_id(id)
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return cls.objects.get(user__username=username, name=name, extension=extension)
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@classmethod
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def parse_id(cls, id):
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public_id = id.split(':')
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username = public_id[0]
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name = ":".join(public_id[1:])
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extension = name.split('.')
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name = '.'.join(extension[:-1])
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extension = extension[-1].lower()
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return username, name, extension
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def get_absolute_url(self):
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return '/files/%s' % quote(self.get_id())
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def get_id(self):
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return u'%s:%s.%s' % (self.user.username, self.name, self.extension)
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def editable(self, user):
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if not user or user.is_anonymous():
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return False
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if self.user == user or \
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user.is_staff or \
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user.get_profile().capability('canEditFiles') == True:
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return True
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return False
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def edit(self, data, user):
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for key in data:
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if key == 'name':
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data['name'] = re.sub(' \[\d+\]$', '', data['name']).strip()
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if not data['name']:
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data['name'] = "Untitled"
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name = data['name']
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num = 1
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while File.objects.filter(name=name, user=self.user, extension=self.extension).exclude(id=self.id).count()>0:
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num += 1
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name = data['name'] + ' [%d]' % num
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self.name = name
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elif key == 'description':
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self.description = ox.sanitize_html(data['description'])
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def json(self, keys=None, user=None):
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if not keys:
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keys=[
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'description',
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'editable',
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'id',
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'name',
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'extension',
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'oshash',
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'size',
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'ratio',
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'user'
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]
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response = {}
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_map = {
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}
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for key in keys:
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if key == 'id':
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response[key] = self.get_id()
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elif key == 'editable':
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response[key] = self.editable(user)
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elif key == 'user':
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response[key] = self.user.username
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elif hasattr(self, _map.get(key, key)):
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response[key] = getattr(self, _map.get(key,key))
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return response
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def path(self, name=''):
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h = "%07d" % self.id
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return os.path.join('uploads', h[:2], h[2:4], h[4:6], h[6:], name)
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def save_chunk(self, chunk, chunk_id=-1, done=False):
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if self.uploading:
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if not self.file:
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name = 'data.%s' % self.extension
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self.file.name = self.path(name)
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ox.makedirs(os.path.dirname(self.file.path))
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with open(self.file.path, 'w') as f:
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f.write(chunk.read())
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self.save()
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else:
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with open(self.file.path, 'a') as f:
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f.write(chunk.read())
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if done:
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self.uploading = False
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self.get_ratio()
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self.oshash = ox.oshash(self.file.path)
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self.save()
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return True
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return False
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def thumbnail(self):
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return '%s.jpg' % self.file.path
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def make_thumbnail(self, force=False):
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thumb = self.thumbnail()
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if not os.path.exists(thumb) or force:
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cmd = ['convert', '%s[0]' % self.file.path,
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'-background', 'white', '-flatten', '-resize', '256x256', thumb]
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p = subprocess.Popen(cmd)
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p.wait()
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def get_ratio(self):
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if self.extension == 'pdf':
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self.make_thumbnail()
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image = self.thumbnail()
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else:
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image = self.file.path
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try:
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size = Image.open(image).size
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except:
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size = [1,1]
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self.ratio = size[0] / size[1]
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def delete_file(sender, **kwargs):
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t = kwargs['instance']
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if t.file:
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if t.extension == 'pdf':
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thumb = t.thumbnail()
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if os.path.exists(thumb):
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os.unlink(thumb)
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t.file.delete()
|
||||
pre_delete.connect(delete_file, sender=File)
|
||||
|
||||
203
pandora/file/views.py
Normal file
203
pandora/file/views.py
Normal file
|
|
@ -0,0 +1,203 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
# vi:si:et:sw=4:sts=4:ts=4
|
||||
from __future__ import division
|
||||
|
||||
from ox.utils import json
|
||||
from ox.django.api import actions
|
||||
from ox.django.decorators import login_required_json
|
||||
from ox.django.http import HttpFileResponse
|
||||
from ox.django.shortcuts import render_to_json_response, get_object_or_404_json, json_response
|
||||
from django import forms
|
||||
|
||||
from item import utils
|
||||
import models
|
||||
|
||||
def get_file_or_404_json(id):
|
||||
username, name, extension = models.File.parse_id(id)
|
||||
return get_object_or_404_json(models.File, user__username=username, name=name, extension=extension)
|
||||
|
||||
@login_required_json
|
||||
def editFile(request):
|
||||
'''
|
||||
takes {
|
||||
id: string
|
||||
name: string
|
||||
description: string
|
||||
}
|
||||
returns {
|
||||
id:
|
||||
...
|
||||
}
|
||||
'''
|
||||
response = json_response()
|
||||
data = json.loads(request.POST['data'])
|
||||
if data['id']:
|
||||
file = models.File.get(data['id'])
|
||||
if file.editable(request.user):
|
||||
file.edit(data, request.user)
|
||||
file.save()
|
||||
response['data'] = file.json(user=request.user)
|
||||
else:
|
||||
response = json_response(status=403, file='permission denied')
|
||||
else:
|
||||
response = json_response(status=500, file='invalid request')
|
||||
return render_to_json_response(response)
|
||||
actions.register(editFile, cache=False)
|
||||
|
||||
|
||||
def _order_query(qs, sort):
|
||||
order_by = []
|
||||
for e in sort:
|
||||
operator = e['operator']
|
||||
if operator != '-':
|
||||
operator = ''
|
||||
key = {
|
||||
'name': 'name_sort',
|
||||
'description': 'description_sort',
|
||||
}.get(e['key'], e['key'])
|
||||
order = '%s%s' % (operator, key)
|
||||
order_by.append(order)
|
||||
if order_by:
|
||||
qs = qs.order_by(*order_by)
|
||||
qs = qs.distinct()
|
||||
return qs
|
||||
|
||||
def parse_query(data, user):
|
||||
query = {}
|
||||
query['range'] = [0, 100]
|
||||
query['sort'] = [{'key':'user', 'operator':'+'}, {'key':'name', 'operator':'+'}]
|
||||
for key in ('keys', 'group', 'file', 'range', 'position', 'positions', 'sort'):
|
||||
if key in data:
|
||||
query[key] = data[key]
|
||||
query['qs'] = models.File.objects.find(data, user).exclude(name='')
|
||||
return query
|
||||
|
||||
|
||||
def findFiles(request):
|
||||
'''
|
||||
takes {
|
||||
query: {
|
||||
conditions: [
|
||||
{
|
||||
key: 'user',
|
||||
value: 'something',
|
||||
operator: '='
|
||||
}
|
||||
]
|
||||
operator: ","
|
||||
},
|
||||
sort: [{key: 'name', operator: '+'}],
|
||||
range: [0, 100]
|
||||
keys: []
|
||||
}
|
||||
|
||||
possible query keys:
|
||||
name, user, extension, size
|
||||
|
||||
possible keys:
|
||||
name, user, extension, size
|
||||
|
||||
}
|
||||
returns {
|
||||
items: [object]
|
||||
}
|
||||
'''
|
||||
data = json.loads(request.POST['data'])
|
||||
query = parse_query(data, request.user)
|
||||
|
||||
#order
|
||||
qs = _order_query(query['qs'], query['sort'])
|
||||
response = json_response()
|
||||
if 'keys' in data:
|
||||
qs = qs[query['range'][0]:query['range'][1]]
|
||||
|
||||
response['data']['items'] = [l.json(data['keys'], request.user) for l in qs]
|
||||
elif 'position' in data:
|
||||
#FIXME: actually implement position requests
|
||||
response['data']['position'] = 0
|
||||
elif 'positions' in data:
|
||||
ids = [i.get_id() for i in qs]
|
||||
response['data']['positions'] = utils.get_positions(ids, query['positions'])
|
||||
else:
|
||||
response['data']['items'] = qs.count()
|
||||
return render_to_json_response(response)
|
||||
actions.register(findFiles)
|
||||
|
||||
@login_required_json
|
||||
def removeFile(request):
|
||||
'''
|
||||
takes {
|
||||
id: string,
|
||||
}
|
||||
returns {
|
||||
}
|
||||
'''
|
||||
data = json.loads(request.POST['data'])
|
||||
response = json_response()
|
||||
file = models.File.get(data['id'])
|
||||
if file.editable(request.user):
|
||||
file.delete()
|
||||
else:
|
||||
response = json_response(status=403, file='not allowed')
|
||||
return render_to_json_response(response)
|
||||
actions.register(removeFile, cache=False)
|
||||
|
||||
|
||||
def file(request, id):
|
||||
file = models.File.get(id)
|
||||
return HttpFileResponse(file.file.path)
|
||||
|
||||
def thumbnail(request, id):
|
||||
file = models.File.get(id)
|
||||
return HttpFileResponse(file.thumbnail())
|
||||
|
||||
class ChunkForm(forms.Form):
|
||||
chunk = forms.FileField()
|
||||
chunkId = forms.IntegerField(required=False)
|
||||
done = forms.IntegerField(required=False)
|
||||
|
||||
@login_required_json
|
||||
def upload(request):
|
||||
if 'id' in request.GET:
|
||||
file = models.File.get(request.GET['id'])
|
||||
else:
|
||||
extension = request.POST['filename'].split('.')
|
||||
name = '.'.join(extension[:-1])
|
||||
extension = extension[-1].lower()
|
||||
response = json_response(status=400, text='this request requires POST')
|
||||
if 'chunk' in request.FILES:
|
||||
form = ChunkForm(request.POST, request.FILES)
|
||||
if form.is_valid() and file.editable(request.user):
|
||||
c = form.cleaned_data['chunk']
|
||||
chunk_id = form.cleaned_data['chunkId']
|
||||
response = {
|
||||
'result': 1,
|
||||
'resultUrl': request.build_absolute_uri(file.get_absolute_url())
|
||||
}
|
||||
if not file.save_chunk(c, chunk_id, form.cleaned_data['done']):
|
||||
response['result'] = -1
|
||||
if form.cleaned_data['done']:
|
||||
response['done'] = 1
|
||||
return render_to_json_response(response)
|
||||
#init upload
|
||||
else:
|
||||
created = False
|
||||
num = 1
|
||||
_name = name
|
||||
while not created:
|
||||
file, created = models.File.objects.get_or_create(
|
||||
user=request.user, name=name, extension=extension)
|
||||
if not created:
|
||||
num += 1
|
||||
name = _name + ' [%d]' % num
|
||||
file.name = name
|
||||
file.extension = extension
|
||||
file.uploading = True
|
||||
file.save()
|
||||
upload_url = request.build_absolute_uri('/api/upload/file?id=%s' % file.get_id())
|
||||
return render_to_json_response({
|
||||
'uploadUrl': upload_url,
|
||||
'url': request.build_absolute_uri(file.get_absolute_url()),
|
||||
'result': 1
|
||||
})
|
||||
return render_to_json_response(response)
|
||||
|
|
@ -130,6 +130,7 @@ INSTALLED_APPS = (
|
|||
'user',
|
||||
'urlalias',
|
||||
'tv',
|
||||
'file',
|
||||
)
|
||||
|
||||
# Log errors into db
|
||||
|
|
|
|||
|
|
@ -23,11 +23,14 @@ urlpatterns = patterns('',
|
|||
# url(r'^admin/doc/', include('django.contrib.admindocs.urls')),
|
||||
(r'^admin/', include(admin.site.urls)),
|
||||
(r'^api/upload/text/?$', 'text.views.upload'),
|
||||
(r'^api/upload/file/?$', 'file.views.upload'),
|
||||
(r'^api/upload/?$', 'archive.views.firefogg_upload'),
|
||||
(r'^url=(?P<url>.*)$', 'app.views.redirect_url'),
|
||||
(r'^file/(?P<oshash>.*)$', 'archive.views.lookup_file'),
|
||||
(r'^api/?$', include(ox.django.api.urls)),
|
||||
(r'^resetUI$', 'user.views.reset_ui'),
|
||||
(r'^files/(?P<id>.*?.pdf).jpg$', 'file.views.thumbnail'),
|
||||
(r'^files/(?P<id>.*?.)$', 'file.views.file'),
|
||||
(r'^list/(?P<id>.*?)/icon(?P<size>\d*).jpg$', 'itemlist.views.icon'),
|
||||
(r'^text/(?P<id>.*?)/icon(?P<size>\d*).jpg$', 'text.views.icon'),
|
||||
(r'^texts/(?P<id>.*?)/text.pdf$', 'text.views.pdf'),
|
||||
|
|
|
|||
|
|
@ -46,6 +46,7 @@ sudo vmbuilder vbox ubuntu --suite=precise \
|
|||
--addpkg libavcodec-extra-53 \
|
||||
--addpkg libav-tools \
|
||||
--addpkg ffmpeg2theora \
|
||||
--addpkg imagemagick \
|
||||
--execscript=$base/install.sh \
|
||||
--firstboot=$base/firstboot.sh
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue