Fix and enable H401

Remove leading spaces from doc comments.

Change-Id: I75b055c0d64dda478c63839d44158e301900107f

keystoneclient/common/cms.py

@@ -118,7 +118,8 @@ def is_ans1_token(token):
 
 
 def cms_sign_text(text, signing_cert_file_name, signing_key_file_name):
-    """ Uses OpenSSL to sign a document
+    """Uses OpenSSL to sign a document.
+
     Produces a Base64 encoding of a DER formatted CMS Document
     http://en.wikipedia.org/wiki/Cryptographic_Message_Syntax
     """

keystoneclient/generic/client.py

@@ -74,11 +74,11 @@ class Client(client.HTTPClient):
             return self._local_keystone_exists()
 
     def _local_keystone_exists(self):
-        """ Checks if Keystone is available on default local port 35357 """
+        """Checks if Keystone is available on default local port 35357."""
         return self._check_keystone_versions("http://localhost:35357")
 
     def _check_keystone_versions(self, url):
-        """ Calls Keystone URL and detects the available API versions """
+        """Calls Keystone URL and detects the available API versions."""
         try:
             httpclient = client.HTTPClient()
             resp, body = httpclient.request(url, "GET",
@@ -141,7 +141,7 @@ class Client(client.HTTPClient):
             return self._check_keystone_extensions(url)
 
     def _check_keystone_extensions(self, url):
-        """ Calls Keystone URL and detects the available extensions """
+        """Calls Keystone URL and detects the available extensions."""
         try:
             httpclient = client.HTTPClient()
             if not url.endswith("/"):
@@ -184,7 +184,7 @@ class Client(client.HTTPClient):
 
     @staticmethod
     def _get_version_info(version, root_url):
-        """ Parses version information
+        """Parses version information.
 
         :param version: a dict of a Keystone version response
         :param root_url: string url used to construct
@@ -203,7 +203,7 @@ class Client(client.HTTPClient):
 
     @staticmethod
     def _get_extension_info(extension):
-        """ Parses extension information
+        """Parses extension information.
 
         :param extension: a dict of a Keystone extension response
         :returns: tuple - (alias, name)

keystoneclient/middleware/memcache_crypt.py

@@ -49,7 +49,7 @@ DIGEST_LENGTH_B64 = 4 * int(math.ceil(DIGEST_LENGTH / 3.0))
 
 
 class InvalidMacError(Exception):
-    """ raise when unable to verify MACed data
+    """raise when unable to verify MACed data.
 
     This usually indicates that data had been expectedly modified in memcache.
 
@@ -58,14 +58,14 @@ class InvalidMacError(Exception):
 
 
 class DecryptError(Exception):
-    """ raise when unable to decrypt encrypted data
+    """raise when unable to decrypt encrypted data.
 
     """
     pass
 
 
 class CryptoUnavailableError(Exception):
-    """ raise when Python Crypto module is not available
+    """raise when Python Crypto module is not available.
 
     """
     pass
@@ -83,7 +83,7 @@ def assert_crypto_availability(f):
 
 
 def constant_time_compare(first, second):
-    """ Returns True if both string inputs are equal, otherwise False
+    """Returns True if both string inputs are equal, otherwise False.
 
     This function should take a constant amount of time regardless of
     how many characters in the strings match.

tests/test_auth_token_middleware.py

@@ -368,7 +368,7 @@ VERSION_LIST_v2 = {
 
 
 class NoModuleFinder(object):
-    """ Disallow further imports of 'module' """
+    """Disallow further imports of 'module'."""
 
     def __init__(self, module):
         self.module = module
@@ -473,7 +473,7 @@ class BaseFakeHTTPConnection(object):
 
 
 class FakeHTTPConnection(BaseFakeHTTPConnection):
-    """ Emulate a fake Keystone v2 server """
+    """Emulate a fake Keystone v2 server."""
 
     def __init__(self, *args, **kwargs):
         self.send_valid_revocation_list = True
@@ -519,7 +519,7 @@ class FakeHTTPConnection(BaseFakeHTTPConnection):
 
 
 class v3FakeHTTPConnection(FakeHTTPConnection):
-    """ Emulate a fake Keystone v3 server """
+    """Emulate a fake Keystone v3 server."""
 
     def request(self, method, path, **kwargs):
         """Fakes out several http responses.

tests/utils.py

@@ -89,7 +89,7 @@ class TestCase(testtools.TestCase):
 
 
 class UnauthenticatedTestCase(testtools.TestCase):
-    """ Class used as base for unauthenticated calls """
+    """Class used as base for unauthenticated calls."""
     TEST_ROOT_URL = 'http://127.0.0.1:5000/'
     TEST_URL = '%s%s' % (TEST_ROOT_URL, 'v2.0')
     TEST_ROOT_ADMIN_URL = 'http://127.0.0.1:35357/'
@@ -114,7 +114,8 @@ class UnauthenticatedTestCase(testtools.TestCase):
 
 class TestResponse(requests.Response):
     """Class used to wrap requests.Response and provide some
-        convenience to initialize with a dict """
+       convenience to initialize with a dict.
+    """
 
     def __init__(self, data):
         self._text = None

tests/v3/utils.py

@@ -356,7 +356,8 @@ class CrudTests(testtools.TestCase):
 
 class TestResponse(requests.Response):
     """Class used to wrap requests.Response and provide some
-        convenience to initialize with a dict """
+       convenience to initialize with a dict.
+    """
 
     def __init__(self, data):
         self._text = None

tox.ini

@@ -35,11 +35,10 @@ downloadcache = ~/cache/pip
 # H302: import only modules
 # H304: no relative imports
 # H306: imports not in alphabetical order
-# H401: docstring should not start with a space
 # H402: one line docstring needs punctuation.
 # H403: multi line docstring end on new line
 # H404: multi line docstring should start with a summary
 # H802: git commit title
-ignore = F811,F821,F841,H201,H202,H302,H304,H306,H401,H402,H403,H404,H802
+ignore = F811,F821,F841,H201,H202,H302,H304,H306,H402,H403,H404,H802
 show-source = True
 exclude = .venv,.tox,dist,doc,*egg