Use in dict rather than "in dict.keys()". Fix linting warnings about "not in". (#8298)

* Fixed a few linting warnings for if not x in y.

These should have been caught by pylint, but weren't.

* Replaced "x in y.keys()" with "x in y".

It's much faster, and more Pythonic.

acme/acme/client.py

@@ -801,7 +801,7 @@ class ClientV2(ClientBase):
         """
         # Can't use response.links directly because it drops multiple links
         # of the same relation type, which is possible in RFC8555 responses.
-        if not 'Link' in response.headers:
+        if 'Link' not in response.headers:
             return []
         links = parse_header_links(response.headers['Link'])
         return [l['url'] for l in links

acme/tests/client_test.py

@@ -1342,7 +1342,7 @@ class ClientNetworkSourceAddressBindingTest(unittest.TestCase):
         # test should fail if the default adapter type is changed by requests
         net = ClientNetwork(key=None, alg=None)
         session = requests.Session()
-        for scheme in session.adapters.keys():
+        for scheme in session.adapters:
             client_network_adapter = net.session.adapters.get(scheme)
             default_adapter = session.adapters.get(scheme)
             self.assertEqual(client_network_adapter.__class__, default_adapter.__class__)

certbot-apache/certbot_apache/_internal/parser.py

@@ -799,7 +799,7 @@ class ApacheParser(object):
     def _parsed_by_parser_paths(self, filep, paths):
         """Helper function that searches through provided paths and returns
         True if file path is found in the set"""
-        for directory in paths.keys():
+        for directory in paths:
             for filename in paths[directory]:
                 if fnmatch.fnmatch(filep, os.path.join(directory, filename)):
                     return True

certbot-apache/tests/centos_test.py

@@ -140,7 +140,7 @@ class MultipleVhostsTestCentOS(util.ApacheTest):
         self.assertEqual(mock_get.call_count, 3)
         self.assertEqual(len(self.config.parser.modules), 4)
         self.assertEqual(len(self.config.parser.variables), 2)
-        self.assertTrue("TEST2" in self.config.parser.variables.keys())
+        self.assertTrue("TEST2" in self.config.parser.variables)
         self.assertTrue("mod_another.c" in self.config.parser.modules)
 
     def test_get_virtual_hosts(self):
@@ -172,11 +172,11 @@ class MultipleVhostsTestCentOS(util.ApacheTest):
             mock_osi.return_value = ("centos", "7")
             self.config.parser.update_runtime_variables()
 
-        self.assertTrue("mock_define" in self.config.parser.variables.keys())
-        self.assertTrue("mock_define_too" in self.config.parser.variables.keys())
-        self.assertTrue("mock_value" in self.config.parser.variables.keys())
+        self.assertTrue("mock_define" in self.config.parser.variables)
+        self.assertTrue("mock_define_too" in self.config.parser.variables)
+        self.assertTrue("mock_value" in self.config.parser.variables)
         self.assertEqual("TRUE", self.config.parser.variables["mock_value"])
-        self.assertTrue("MOCK_NOSEP" in self.config.parser.variables.keys())
+        self.assertTrue("MOCK_NOSEP" in self.config.parser.variables)
         self.assertEqual("NOSEP_VAL", self.config.parser.variables["NOSEP_TWO"])
 
     @mock.patch("certbot_apache._internal.configurator.util.run_script")

certbot-apache/tests/fedora_test.py

@@ -134,7 +134,7 @@ class MultipleVhostsTestFedora(util.ApacheTest):
         self.assertEqual(mock_get.call_count, 3)
         self.assertEqual(len(self.config.parser.modules), 4)
         self.assertEqual(len(self.config.parser.variables), 2)
-        self.assertTrue("TEST2" in self.config.parser.variables.keys())
+        self.assertTrue("TEST2" in self.config.parser.variables)
         self.assertTrue("mod_another.c" in self.config.parser.modules)
 
     @mock.patch("certbot_apache._internal.configurator.util.run_script")
@@ -172,11 +172,11 @@ class MultipleVhostsTestFedora(util.ApacheTest):
             mock_osi.return_value = ("fedora", "29")
             self.config.parser.update_runtime_variables()
 
-        self.assertTrue("mock_define" in self.config.parser.variables.keys())
-        self.assertTrue("mock_define_too" in self.config.parser.variables.keys())
-        self.assertTrue("mock_value" in self.config.parser.variables.keys())
+        self.assertTrue("mock_define" in self.config.parser.variables)
+        self.assertTrue("mock_define_too" in self.config.parser.variables)
+        self.assertTrue("mock_value" in self.config.parser.variables)
         self.assertEqual("TRUE", self.config.parser.variables["mock_value"])
-        self.assertTrue("MOCK_NOSEP" in self.config.parser.variables.keys())
+        self.assertTrue("MOCK_NOSEP" in self.config.parser.variables)
         self.assertEqual("NOSEP_VAL", self.config.parser.variables["NOSEP_TWO"])
 
     @mock.patch("certbot_apache._internal.configurator.util.run_script")

certbot-apache/tests/gentoo_test.py

@@ -91,7 +91,7 @@ class MultipleVhostsTestGentoo(util.ApacheTest):
         with mock.patch("certbot_apache._internal.override_gentoo.GentooParser.update_modules"):
             self.config.parser.update_runtime_variables()
         for define in defines:
-            self.assertTrue(define in self.config.parser.variables.keys())
+            self.assertTrue(define in self.config.parser.variables)
 
     @mock.patch("certbot_apache._internal.apache_util.parse_from_subprocess")
     def test_no_binary_configdump(self, mock_subprocess):

certbot-compatibility-test/certbot_compatibility_test/configurators/apache/common.py

@@ -57,7 +57,7 @@ class Proxy(configurators_common.Proxy):
 
     def _prepare_configurator(self):
         """Prepares the Apache plugin for testing"""
-        for k in entrypoint.ENTRYPOINT.OS_DEFAULTS.keys():
+        for k in entrypoint.ENTRYPOINT.OS_DEFAULTS:
             setattr(self.le_config, "apache_" + k,
                     entrypoint.ENTRYPOINT.OS_DEFAULTS[k])
 

certbot/certbot/_internal/storage.py

@@ -127,7 +127,7 @@ def write_renewal_config(o_filename, n_filename, archive_dir, target, relevant_d
 
     config["renewalparams"].update(relevant_data)
 
-    for k in config["renewalparams"].keys():
+    for k in config["renewalparams"]:
         if k not in relevant_data:
             del config["renewalparams"][k]
 

certbot/certbot/plugins/storage.py

@@ -106,7 +106,7 @@ class PluginStorage(object):
         if not self._initialized:
             self._initialize_storage()
 
-        if not self._classkey in self._data.keys():
+        if self._classkey not in self._data:
             self._data[self._classkey] = {}
         self._data[self._classkey][key] = value
 

tests/letstest/multitester.py

@@ -322,7 +322,7 @@ def create_client_instance(ec2_client, target, security_group_id, subnet_id):
     else:
         # 32 bit systems
         machine_type = 'c1.medium'
-    if 'userdata' in target.keys():
+    if 'userdata' in target:
         userdata = target['userdata']
     else:
         userdata = ''