Fix comparisons to None

Diff checked manually.

autopep8 -a -ir -j2 --select=E711 .

This required the "agressive" option because it can change code
behavior.

modules/imdb/backend.py

@@ -74,7 +74,7 @@ class ImdbBackend(BaseBackend, ICapCinema):
         or 'death_date' in fields or 'nationality' in fields\
         or 'short_biography' in fields or 'roles' in fields\
         or 'birth_date' in fields or 'thumbnail_url' in fields\
-        or 'gender' in fields or fields == None:
+        or 'gender' in fields or fields is None:
             per = self.get_person(person.id)
             person.real_name       = per.real_name
             person.birth_date      = per.birth_date

modules/imdb/browser.py

@@ -89,7 +89,7 @@ class ImdbBrowser(BaseBrowser):
 
     def get_movie(self, id):
         res = self.readurl('http://imdbapi.org/?id=%s&type=json&plot=simple&episode=1&lang=en-US&aka=full&release=simple&business=0&tech=0' % id )
-        if res != None:
+        if res is not None:
             jres = json.loads(res)
         else:
             return None

modules/imdb/pages.py

@@ -37,7 +37,7 @@ class ReleasePage(BasePage):
         for a in links:
             href = a.attrib.get('href','')
             if href.strip('/').split('/')[0] == 'calendar' and\
-            (country_filter == None or href.split('region=')[-1].lower() == country_filter):
+            (country_filter is None or href.split('region=')[-1].lower() == country_filter):
                 country = a.text
                 td_date = self.parser.select(a.getparent().getparent().getparent(),'td')[1]
                 date_links = self.parser.select(td_date,'a')
@@ -73,7 +73,7 @@ class MovieCrewPage(BasePage):
     ''' Page listing all the persons related to a movie
     '''
     def iter_persons(self, role_filter=None):
-        if (role_filter == None or (role_filter != None and role_filter == 'actor')):
+        if (role_filter is None or (role_filter is not None and role_filter == 'actor')):
             tables = self.parser.select(self.document.getroot(),'table.cast')
             if len(tables) > 0:
                 table = tables[0]
@@ -97,7 +97,7 @@ class MovieCrewPage(BasePage):
 
         for gloss_link in self.parser.select(self.document.getroot(),'table[cellspacing=1] h5 a'):
             role = gloss_link.attrib.get('name','').rstrip('s')
-            if (role_filter == None or (role_filter != None and role == role_filter)):
+            if (role_filter is None or (role_filter is not None and role == role_filter)):
                 tbody = gloss_link.getparent().getparent().getparent().getparent()
                 for line in self.parser.select(tbody,'tr')[1:]:
                     for a in self.parser.select(line,'a'):
@@ -217,7 +217,7 @@ class FilmographyPage(BasePage):
     def iter_movies(self, role_filter=None):
         for role_div in self.parser.select(self.document.getroot(),'div.filmo'):
             role = self.parser.select(role_div,'h5 a',1).text.replace(':','')
-            if (role_filter == None or (role_filter != None and role.lower().strip() == role_filter))\
+            if (role_filter is None or (role_filter is not None and role.lower().strip() == role_filter))\
             and role != 'In Development':
                 for a in self.parser.select(role_div,'ol > li > a'):
                     id = a.attrib.get('href','').strip('/').split('/')[-1]

modules/imdb/test.py

@@ -59,9 +59,9 @@ class ImdbTest(BackendTest):
     def test_get_person_biography(self):
         bio = self.backend.get_person_biography('nm0223033')
         assert bio != ''
-        assert bio != None
+        assert bio is not None
 
     def test_get_movie_releases(self):
         rel = self.backend.get_movie_releases('tt0079980')
         assert rel != ''
-        assert rel != None
+        assert rel is not None