Replaced `has_key()` calls with `in` to ease Python 3 port. Thanks, Martin von Löwis.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16740 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/databrowse/plugins/calendars.py

@@ -86,7 +86,7 @@ class CalendarPlugin(DatabrowsePlugin):
         if url is None:
             return self.homepage_view(request)
         url_bits = url.split('/')
-        if self.fields.has_key(url_bits[0]):
+        if url_bits[0] in self.fields:
             return self.calendar_view(request, self.fields[url_bits[0]], *url_bits[1:])
 
         raise http.Http404('The requested page does not exist.')

django/contrib/databrowse/plugins/fieldchoices.py

@@ -53,7 +53,7 @@ class FieldChoicePlugin(DatabrowsePlugin):
         if url is None:
             return self.homepage_view(request)
         url_bits = url.split('/', 1)
-        if self.fields.has_key(url_bits[0]):
+        if url_bits[0] in self.fields:
             return self.field_view(request, self.fields[url_bits[0]], *url_bits[1:])
 
         raise http.Http404('The requested page does not exist.')

django/contrib/sessions/backends/base.py

@@ -113,7 +113,7 @@ class SessionBase(object):
         self.modified = True
 
     def has_key(self, key):
-        return self._session.has_key(key)
+        return key in self._session
 
     def values(self):
         return self._session.values()

django/contrib/sessions/backends/cache.py

@@ -43,9 +43,7 @@ class SessionStore(SessionBase):
             raise CreateError
 
     def exists(self, session_key):
-        if self._cache.has_key(session_key):
-            return True
-        return False
+        return session_key in self._cache
 
     def delete(self, session_key=None):
         if session_key is None:

django/contrib/sessions/backends/file.py

@@ -131,9 +131,7 @@ class SessionStore(SessionBase):
             pass
 
     def exists(self, session_key):
-        if os.path.exists(self._key_to_file(session_key)):
-            return True
-        return False
+        return os.path.exists(self._key_to_file(session_key))
 
     def delete(self, session_key=None):
         if session_key is None:

django/contrib/sessions/tests.py

@@ -80,7 +80,7 @@ class SessionTestsMixin(object):
         self.session['some key'] = 1
         self.session.modified = False
         self.session.accessed = False
-        self.assertTrue(self.session.has_key('some key'))
+        self.assertTrue('some key' in self.session)
         self.assertTrue(self.session.accessed)
         self.assertFalse(self.session.modified)
 

django/core/management/__init__.py

@@ -283,7 +283,7 @@ class ManagementUtility(object):
         and formatted as potential completion suggestions.
         """
         # Don't complete if user hasn't sourced bash_completion file.
-        if not os.environ.has_key('DJANGO_AUTO_COMPLETE'):
+        if 'DJANGO_AUTO_COMPLETE' not in os.environ:
             return
 
         cwords = os.environ['COMP_WORDS'].split()[1:]

django/http/__init__.py

@@ -23,7 +23,7 @@ except ImportError:
 import Cookie
 # httponly support exists in Python 2.6's Cookie library,
 # but not in Python 2.5.
-_morsel_supports_httponly = Cookie.Morsel._reserved.has_key('httponly')
+_morsel_supports_httponly = 'httponly' in Cookie.Morsel._reserved
 # Some versions of Python 2.7 and later won't need this encoding bug fix:
 _cookie_encodes_correctly = Cookie.SimpleCookie().value_encode(';') == (';', '"\\073"')
 # See ticket #13007, http://bugs.python.org/issue2193 and http://trac.edgewall.org/ticket/2256
@@ -591,7 +591,7 @@ class HttpResponse(object):
 
     def has_header(self, header):
         """Case-insensitive check for a header."""
-        return self._headers.has_key(header.lower())
+        return header.lower() in self._headers
 
     __contains__ = has_header
 

django/views/debug.py

@@ -141,7 +141,7 @@ class SafeExceptionReporterFilter(ExceptionReporterFilter):
                 else:
                     # Cleanse only the specified parameters.
                     for param in sensitive_post_parameters:
-                        if cleansed.has_key(param):
+                        if param in cleansed:
                             cleansed[param] = CLEANSED_SUBSTITUTE
                     return cleansed
             else: