not in

oml/item/handlers.py

@@ -157,6 +157,7 @@ class UploadHandler(tornado.web.RequestHandler):
             self.set_status(403)
             self.write('')
             return
+
         def save_files(context, request, callback):
             listname = request.arguments.get('list', None)
             if listname:
@@ -198,7 +199,7 @@ class UploadHandler(tornado.web.RequestHandler):
             callback(response)
 
         response = yield tornado.gen.Task(save_files, self._context, self.request)
-        if not 'status' in response:
+        if 'status' not in response:
             response = json_response(response)
         response = json_dumps(response)
         self.set_header('Content-Type', 'application/json')

oml/item/models.py

@@ -36,8 +36,7 @@ logger = logging.getLogger(__name__)
 
 user_items = sa.Table('useritem', db.metadata,
                       sa.Column('user_id', sa.String(43), sa.ForeignKey('user.id')),
-    sa.Column('item_id', sa.String(32), sa.ForeignKey('item.id'))
-)
+                      sa.Column('item_id', sa.String(32), sa.ForeignKey('item.id')))
 
 class Item(db.Model):
     __tablename__ = 'item'
@@ -118,10 +117,10 @@ class Item(db.Model):
 
     def add_user(self, user):
         from user.models import list_items
-        if not user in self.users:
+        if user not in self.users:
             self.users.append(user)
         l = user.library
-        if not self in l.items:
+        if self not in l.items:
             q = list_items.insert({'item_id': self.id, 'list_id': l.id})
             state.db.session.execute(q)
 
@@ -251,7 +250,8 @@ class Item(db.Model):
                 value = self.json().get(key['id'], None)
                 if key.get('filterMap') and value:
                     value = re.compile(key.get('filterMap')).findall(value)
-                    if value: value = value[0]
+                    if value:
+                        value = value[0]
                 if key.get('type') == 'boolean':
                     value = True if value else False
                     value = str(value).lower()
@@ -473,7 +473,7 @@ class Item(db.Model):
         if preview:
             icons[key] = preview
             self.info['previewRatio'] = get_ratio(preview)
-            if not 'coverRatio' in self.info:
+            if 'coverRatio' not in self.info:
                 self.info['coverRatio'] = self.info['previewRatio']
         else:
             del icons[key]
@@ -515,13 +515,13 @@ class Item(db.Model):
 
     def queue_download(self):
         u = state.user()
-        if not self.id in state.downloads.transfers:
+        if self.id not in state.downloads.transfers:
             state.downloads.transfers[self.id] = {
                 'added': datetime.utcnow(),
                 'progress': 0
             }
         logger.debug('queue %s for download', self.id)
-        if not u in self.users:
+        if u not in self.users:
             self.add_user(u)
 
     def save_file(self, content):
@@ -730,7 +730,7 @@ class File(db.Model):
 
     def move(self):
         def format_underscores(string):
-            return re.sub('^\.|\.$|:|/|\?|<|>', '_', string)
+            return re.sub(r'^\.|\.$|:|/|\?|<|>', '_', string)
         prefs = settings.preferences
         prefix = os.sep.join(os.path.join(os.path.expanduser(prefs['libraryPath']), 'Books/').split('/'))
         if not self.item:
@@ -833,7 +833,7 @@ def update_sort_table():
     sort_indexes = [i[len('ix_sort_'):] for i in layout['indexes'] if i.startswith('ix_sort_')]
     for col in set(Item.sort_keys)-set(sort_indexes):
         sql.append('CREATE INDEX ix_sort_{col} ON sort ({col})'.format(col=col))
-    if not 'sortvalue' in db.get_table_columns('find'):
+    if 'sortvalue' not in db.get_table_columns('find'):
         create_table = str(CreateTable(Find.__table__).compile(db.engine)).split('\n')
         col = 'sortvalue'
         add = [r for r in create_table if '\t%s ' % col in r][0].strip()[:-1]

oml/ui.py

@@ -63,6 +63,7 @@ class TkUI:
     def __init__(self):
         self.root = Tk()
         self.root.withdraw()  # hiding tkinter window
+
     def selectFolder(self, data):
         return tkinter.filedialog.askdirectory(title=data.get("title", "Select Folder"))
 

oml/user/models.py

@@ -160,7 +160,7 @@ class User(db.Model):
             self.save()
             if not was_peering:
                 Changelog.record(state.user(), 'addpeer', self.id, self.nickname)
-            if not 'index' in self.info:
+            if 'index' not in self.info:
                 self.info['index'] = max([
                     u.info.get('index', -1) for u in User.query.filter_by(peered=True)
                 ] + [0]) + 1
@@ -238,8 +238,7 @@ class User(db.Model):
 
 list_items = sa.Table('listitem', db.metadata,
                       sa.Column('list_id', sa.Integer(), sa.ForeignKey('list.id')),
-    sa.Column('item_id', sa.String(32), sa.ForeignKey('item.id'))
-)
+                      sa.Column('item_id', sa.String(32), sa.ForeignKey('item.id')))
 
 class List(db.Model):
     __tablename__ = 'list'
@@ -305,7 +304,7 @@ class List(db.Model):
 
     @classmethod
     def rename_user(cls, old, new):
-        for l in cls.query.filter(cls._query!=None):
+        for l in cls.query.filter(cls._query is not None):
 
             def update_conditions(conditions):
                 changed = False