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Used "is" for comparisons with None.

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commit cec11a3336c730e6dc2f1966fee749cc830e97c0 1 parent ff9e8ec
@timgraham timgraham authored
View
3  django/core/mail/message.py
@@ -292,7 +292,8 @@ def attach(self, filename=None, content=None, mimetype=None):
into the resulting message attachments.
"""
if isinstance(filename, MIMEBase):
- assert content == mimetype == None
+ assert content is None
+ assert mimetype is None
self.attachments.append(filename)
else:
assert content is not None
View
2  django/forms/widgets.py
@@ -508,7 +508,7 @@ def render(self, name, value, attrs=None, choices=()):
return mark_safe('\n'.join(output))
def render_option(self, selected_choices, option_value, option_label):
- if option_value == None:
+ if option_value is None:
option_value = ''
option_value = force_text(option_value)
if option_value in selected_choices:
View
2  django/middleware/cache.py
@@ -96,7 +96,7 @@ def process_response(self, request, response):
# Control" header before reverting to using the default cache_timeout
# length.
timeout = get_max_age(response)
- if timeout == None:
+ if timeout is None:
timeout = self.cache_timeout
elif timeout == 0:
# max-age was set to 0, don't bother caching.
View
2  django/template/defaulttags.py
@@ -315,7 +315,7 @@ def resolve_expression(self, obj, context):
def render(self, context):
obj_list = self.target.resolve(context, True)
- if obj_list == None:
+ if obj_list is None:
# target variable wasn't found in context; fail silently.
context[self.var_name] = []
return ''
View
2  django/test/_doctest.py
@@ -1345,7 +1345,7 @@ def py3_displayhook(value):
# exception message will be in group(2)
m = re.match(r'(.*)\.(\w+:.+\s)', exc_msg)
# make sure there's a match
- if m != None:
+ if m is not None:
f_name = m.group(1)
# check to see if m.group(1) contains the module name
if f_name == exception[0].__module__:
View
4 tests/basic/tests.py
@@ -33,7 +33,7 @@ def test_lookup(self):
a.save()
# Now it has an ID.
- self.assertTrue(a.id != None)
+ self.assertTrue(a.id is not None)
# Models have a pk property that is an alias for the primary key
# attribute (by default, the 'id' attribute).
@@ -585,7 +585,7 @@ def test_field_ordering(self):
f3 = Field()
self.assertTrue(f2 < f1)
self.assertTrue(f3 > f1)
- self.assertFalse(f1 == None)
+ self.assertFalse(f1 is None)
self.assertFalse(f2 in (None, 1, ''))
def test_extra_method_select_argument_with_dashes_and_values(self):
View
14 tests/comment_tests/tests/test_comment_view.py
@@ -243,21 +243,21 @@ def testCommentNext(self):
response = self.client.post("/post/", data)
location = response["Location"]
match = post_redirect_re.match(location)
- self.assertTrue(match != None, "Unexpected redirect location: %s" % location)
+ self.assertTrue(match is not None, "Unexpected redirect location: %s" % location)
data["next"] = "/somewhere/else/"
data["comment"] = "This is another comment"
response = self.client.post("/post/", data)
location = response["Location"]
match = re.search(r"^http://testserver/somewhere/else/\?c=\d+$", location)
- self.assertTrue(match != None, "Unexpected redirect location: %s" % location)
+ self.assertTrue(match is not None, "Unexpected redirect location: %s" % location)
data["next"] = "http://badserver/somewhere/else/"
data["comment"] = "This is another comment with an unsafe next url"
response = self.client.post("/post/", data)
location = response["Location"]
match = post_redirect_re.match(location)
- self.assertTrue(match != None, "Unsafe redirection to: %s" % location)
+ self.assertTrue(match is not None, "Unsafe redirection to: %s" % location)
def testCommentDoneView(self):
a = Article.objects.get(pk=1)
@@ -265,7 +265,7 @@ def testCommentDoneView(self):
response = self.client.post("/post/", data)
location = response["Location"]
match = post_redirect_re.match(location)
- self.assertTrue(match != None, "Unexpected redirect location: %s" % location)
+ self.assertTrue(match is not None, "Unexpected redirect location: %s" % location)
pk = int(match.group('pk'))
response = self.client.get(location)
self.assertTemplateUsed(response, "comments/posted.html")
@@ -282,7 +282,7 @@ def testCommentNextWithQueryString(self):
response = self.client.post("/post/", data)
location = response["Location"]
match = re.search(r"^http://testserver/somewhere/else/\?foo=bar&c=\d+$", location)
- self.assertTrue(match != None, "Unexpected redirect location: %s" % location)
+ self.assertTrue(match is not None, "Unexpected redirect location: %s" % location)
def testCommentPostRedirectWithInvalidIntegerPK(self):
"""
@@ -311,7 +311,7 @@ def testCommentNextWithQueryStringAndAnchor(self):
response = self.client.post("/post/", data)
location = response["Location"]
match = re.search(r"^http://testserver/somewhere/else/\?foo=bar&c=\d+#baz$", location)
- self.assertTrue(match != None, "Unexpected redirect location: %s" % location)
+ self.assertTrue(match is not None, "Unexpected redirect location: %s" % location)
# Without a query string
a = Article.objects.get(pk=1)
@@ -321,4 +321,4 @@ def testCommentNextWithQueryStringAndAnchor(self):
response = self.client.post("/post/", data)
location = response["Location"]
match = re.search(r"^http://testserver/somewhere/else/\?c=\d+#baz$", location)
- self.assertTrue(match != None, "Unexpected redirect location: %s" % location)
+ self.assertTrue(match is not None, "Unexpected redirect location: %s" % location)
View
4 tests/signals_regress/tests.py
@@ -34,11 +34,11 @@ def post_save_test(self, signal, sender, instance, **kwargs):
def pre_delete_test(self, signal, sender, instance, **kwargs):
self.signal_output.append('pre_save signal, %s' % instance)
- self.signal_output.append('instance.id is not None: %s' % (instance.id != None))
+ self.signal_output.append('instance.id is not None: %s' % (instance.id is not None))
def post_delete_test(self, signal, sender, instance, **kwargs):
self.signal_output.append('post_delete signal, %s' % instance)
- self.signal_output.append('instance.id is not None: %s' % (instance.id != None))
+ self.signal_output.append('instance.id is not None: %s' % (instance.id is not None))
def setUp(self):
self.signal_output = []
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