pep8 cleanup

6 files changed, 87 insertions, 53 deletions

diff --git a/mail/src/leap/mail/_version.py b/mail/src/leap/mail/_version.py
index 8a66c1fe..d80ec476 100644
--- a/mail/src/leap/mail/_version.py
+++ b/mail/src/leap/mail/_version.py
@@ -17,6 +17,7 @@ git_full = "$Format:%H$"
 import subprocess
 import sys
 
+
 def run_command(args, cwd=None, verbose=False):
     try:
         # remember shell=False, so use git.cmd on windows, not just git
@@ -41,6 +42,7 @@ import sys
 import re
 import os.path
 
+
 def get_expanded_variables(versionfile_source):
     # the code embedded in _version.py can just fetch the value of these
     # variables. When used from setup.py, we don't want to import
@@ -48,7 +50,7 @@ def get_expanded_variables(versionfile_source):
     # used from _version.py.
     variables = {}
     try:
-        f = open(versionfile_source,"r")
+        f = open(versionfile_source, "r")
         for line in f.readlines():
             if line.strip().startswith("git_refnames ="):
                 mo = re.search(r'=\s*"(.*)"', line)
@@ -63,12 +65,13 @@ def get_expanded_variables(versionfile_source):
         pass
     return variables
 
+
 def versions_from_expanded_variables(variables, tag_prefix, verbose=False):
     refnames = variables["refnames"].strip()
     if refnames.startswith("$Format"):
         if verbose:
             print("variables are unexpanded, not using")
-        return {} # unexpanded, so not in an unpacked git-archive tarball
+        return {}  # unexpanded, so not in an unpacked git-archive tarball
     refs = set([r.strip() for r in refnames.strip("()").split(",")])
     # starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of
     # just "foo-1.0". If we see a "tag: " prefix, prefer those.
@@ -84,7 +87,7 @@ def versions_from_expanded_variables(variables, tag_prefix, verbose=False):
         # "stabilization", as well as "HEAD" and "master".
         tags = set([r for r in refs if re.search(r'\d', r)])
         if verbose:
-            print("discarding '%s', no digits" % ",".join(refs-tags))
+            print("discarding '%s', no digits" % ",".join(refs - tags))
     if verbose:
         print("likely tags: %s" % ",".join(sorted(tags)))
     for ref in sorted(tags):
@@ -93,13 +96,14 @@ def versions_from_expanded_variables(variables, tag_prefix, verbose=False):
             r = ref[len(tag_prefix):]
             if verbose:
                 print("picking %s" % r)
-            return { "version": r,
-                     "full": variables["full"].strip() }
+            return {"version": r,
+                    "full": variables["full"].strip()}
     # no suitable tags, so we use the full revision id
     if verbose:
         print("no suitable tags, using full revision id")
-    return { "version": variables["full"].strip(),
-             "full": variables["full"].strip() }
+    return {"version": variables["full"].strip(),
+            "full": variables["full"].strip()}
+
 
 def versions_from_vcs(tag_prefix, versionfile_source, verbose=False):
     # this runs 'git' from the root of the source tree. That either means
@@ -116,7 +120,7 @@ def versions_from_vcs(tag_prefix, versionfile_source, verbose=False):
         here = os.path.abspath(__file__)
     except NameError:
         # some py2exe/bbfreeze/non-CPython implementations don't do __file__
-        return {} # not always correct
+        return {}  # not always correct
 
     # versionfile_source is the relative path from the top of the source tree
     # (where the .git directory might live) to this file. Invert this to find
@@ -141,7 +145,8 @@ def versions_from_vcs(tag_prefix, versionfile_source, verbose=False):
         return {}
     if not stdout.startswith(tag_prefix):
         if verbose:
-            print("tag '%s' doesn't start with prefix '%s'" % (stdout, tag_prefix))
+            print("tag '%s' doesn't start with prefix '%s'" %
+                  (stdout, tag_prefix))
         return {}
     tag = stdout[len(tag_prefix):]
     stdout = run_command([GIT, "rev-parse", "HEAD"], cwd=root)
@@ -153,7 +158,8 @@ def versions_from_vcs(tag_prefix, versionfile_source, verbose=False):
     return {"version": tag, "full": full}
 
 
-def versions_from_parentdir(parentdir_prefix, versionfile_source, verbose=False):
+def versions_from_parentdir(parentdir_prefix, versionfile_source,
+                            verbose=False):
     if IN_LONG_VERSION_PY:
         # We're running from _version.py. If it's from a source tree
         # (execute-in-place), we can work upwards to find the root of the
@@ -163,7 +169,7 @@ def versions_from_parentdir(parentdir_prefix, versionfile_source, verbose=False)
             here = os.path.abspath(__file__)
         except NameError:
             # py2exe/bbfreeze/non-CPython don't have __file__
-            return {} # without __file__, we have no hope
+            return {}  # without __file__, we have no hope
         # versionfile_source is the relative path from the top of the source
         # tree to _version.py. Invert this to find the root from __file__.
         root = here
@@ -180,7 +186,8 @@ def versions_from_parentdir(parentdir_prefix, versionfile_source, verbose=False)
     dirname = os.path.basename(root)
     if not dirname.startswith(parentdir_prefix):
         if verbose:
-            print("guessing rootdir is '%s', but '%s' doesn't start with prefix '%s'" %
+            print("guessing rootdir is '%s', but '%s' doesn't "
+                  "start with prefix '%s'" %
                   (root, dirname, parentdir_prefix))
         return None
     return {"version": dirname[len(parentdir_prefix):], "full": ""}
@@ -189,8 +196,9 @@ tag_prefix = ""
 parentdir_prefix = "leap-mail"
 versionfile_source = "src/leap/mail/_version.py"
 
+
 def get_versions(default={"version": "unknown", "full": ""}, verbose=False):
-    variables = { "refnames": git_refnames, "full": git_full }
+    variables = {"refnames": git_refnames, "full": git_full}
     ver = versions_from_expanded_variables(variables, tag_prefix, verbose)
     if not ver:
         ver = versions_from_vcs(tag_prefix, versionfile_source, verbose)
@@ -200,4 +208,3 @@ def get_versions(default={"version": "unknown", "full": ""}, verbose=False):
     if not ver:
         ver = default
     return ver
-
diff --git a/mail/src/leap/mail/imap/tests/imapclient.py b/mail/src/leap/mail/imap/tests/imapclient.py
index 027396cd..c353ceed 100755
--- a/mail/src/leap/mail/imap/tests/imapclient.py
+++ b/mail/src/leap/mail/imap/tests/imapclient.py
@@ -21,7 +21,7 @@ from twisted.python import log
 
 
 class TrivialPrompter(basic.LineReceiver):
-    #from os import linesep as delimiter
+    # from os import linesep as delimiter
 
     promptDeferred = None
 
@@ -42,6 +42,7 @@ class TrivialPrompter(basic.LineReceiver):
 
 
 class SimpleIMAP4Client(imap4.IMAP4Client):
+
     """
     Add callbacks when the client receives greeting messages from
     an IMAP server.
@@ -98,8 +99,8 @@ def cbServerGreeting(proto, username, password):
     # Try to authenticate securely
     return proto.authenticate(
         password).addCallback(
-            cbAuthentication, proto).addErrback(
-                ebAuthentication, proto, username, password)
+        cbAuthentication, proto).addErrback(
+        ebAuthentication, proto, username, password)
 
 
 def ebConnection(reason):
diff --git a/mail/src/leap/mail/imap/tests/test_imap.py b/mail/src/leap/mail/imap/tests/test_imap.py
index ca73a11c..7d268624 100644
--- a/mail/src/leap/mail/imap/tests/test_imap.py
+++ b/mail/src/leap/mail/imap/tests/test_imap.py
@@ -54,7 +54,7 @@ import twisted.cred.credentials
 import twisted.cred.portal
 
 
-#import u1db
+# import u1db
 
 from leap.common.testing.basetest import BaseLeapTest
 from leap.mail.imap.server import SoledadMailbox
@@ -120,17 +120,19 @@ def initialize_soledad(email, gnupg_home, tempdir):
     return _soledad
 
 
-##########################################
+#
 # Simple LEAP IMAP4 Server for testing
-##########################################
+#
 
 class SimpleLEAPServer(imap4.IMAP4Server):
+
     """
     A Simple IMAP4 Server with mailboxes backed by Soledad.
 
     This should be pretty close to the real LeapIMAP4Server that we
     will be instantiating as a service, minus the authentication bits.
     """
+
     def __init__(self, *args, **kw):
 
         soledad = kw.pop('soledad', None)
@@ -153,7 +155,7 @@ class SimpleLEAPServer(imap4.IMAP4Server):
 
     def lineReceived(self, line):
         if self.timeoutTest:
-            #Do not send a respones
+            # Do not send a respones
             return
 
         imap4.IMAP4Server.lineReceived(self, line)
@@ -168,6 +170,7 @@ class SimpleLEAPServer(imap4.IMAP4Server):
 
 
 class TestRealm:
+
     """
     A minimal auth realm for testing purposes only
     """
@@ -177,12 +180,13 @@ class TestRealm:
         return imap4.IAccount, self.theAccount, lambda: None
 
 
-######################################
+#
 # Simple IMAP4 Client for testing
-######################################
+#
 
 
 class SimpleClient(imap4.IMAP4Client):
+
     """
     A Simple IMAP4 Client to test our
     Soledad-LEAPServer
@@ -210,6 +214,7 @@ class SimpleClient(imap4.IMAP4Client):
 
 
 class IMAP4HelperMixin(BaseLeapTest):
+
     """
     MixIn containing several utilities to be shared across
     different TestCases
@@ -245,13 +250,13 @@ class IMAP4HelperMixin(BaseLeapTest):
         # Soledad: config info
         cls.gnupg_home = "%s/gnupg" % cls.tempdir
         cls.email = 'leap@leap.se'
-        #cls.db1_file = "%s/db1.u1db" % cls.tempdir
-        #cls.db2_file = "%s/db2.u1db" % cls.tempdir
+        # cls.db1_file = "%s/db1.u1db" % cls.tempdir
+        # cls.db2_file = "%s/db2.u1db" % cls.tempdir
         # open test dbs
-        #cls._db1 = u1db.open(cls.db1_file, create=True,
-                              #document_factory=SoledadDocument)
-        #cls._db2 = u1db.open(cls.db2_file, create=True,
-                              #document_factory=SoledadDocument)
+        # cls._db1 = u1db.open(cls.db1_file, create=True,
+                              # document_factory=SoledadDocument)
+        # cls._db2 = u1db.open(cls.db2_file, create=True,
+                              # document_factory=SoledadDocument)
 
         # initialize soledad by hand so we can control keys
         cls._soledad = initialize_soledad(
@@ -261,7 +266,7 @@ class IMAP4HelperMixin(BaseLeapTest):
 
         # now we're passing the mailbox name, so we
         # should get this into a partial or something.
-        #cls.sm = SoledadMailbox("mailbox", soledad=cls._soledad)
+        # cls.sm = SoledadMailbox("mailbox", soledad=cls._soledad)
         # XXX REFACTOR --- self.server (in setUp) is initializing
         # a SoledadBackedAccount
 
@@ -273,8 +278,8 @@ class IMAP4HelperMixin(BaseLeapTest):
         Restores the old path and home environment variables.
         Removes the temporal dir created for tests.
         """
-        #cls._db1.close()
-        #cls._db2.close()
+        # cls._db1.close()
+        # cls._db2.close()
         cls._soledad.close()
 
         os.environ["PATH"] = cls.old_path
@@ -328,8 +333,8 @@ class IMAP4HelperMixin(BaseLeapTest):
             acct.delete(mb)
 
         # FIXME add again
-        #for subs in acct.subscriptions:
-            #acct.unsubscribe(subs)
+        # for subs in acct.subscriptions:
+            # acct.unsubscribe(subs)
 
         del self.server
         del self.client
@@ -375,9 +380,11 @@ class IMAP4HelperMixin(BaseLeapTest):
 #
 
 class MessageCollectionTestCase(IMAP4HelperMixin, unittest.TestCase):
+
     """
     Tests for the MessageCollection class
     """
+
     def setUp(self):
         """
         setUp method for each test
@@ -434,6 +441,7 @@ class MessageCollectionTestCase(IMAP4HelperMixin, unittest.TestCase):
 
 
 class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase):
+
     """
     Tests for the generic behavior of the LeapIMAP4Server
     which, right now, it's just implemented in this test file as
@@ -1149,7 +1157,7 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase):
         mb = SimpleLEAPServer.theAccount.getMailbox('PARTIAL/SUBTHING')
         self.assertEqual(1, len(mb.messages))
         self.assertEqual(
-            ['\\SEEN',],
+            ['\\SEEN', ],
             mb.messages[1].content['flags']
         )
         self.assertEqual(
@@ -1262,6 +1270,7 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase):
 
 
 class IMAP4ServerSearchTestCase(IMAP4HelperMixin, unittest.TestCase):
+
     """
     Tests for the behavior of the search_* functions in L{imap4.IMAP4Server}.
     """
diff --git a/mail/src/leap/mail/smtp/__init__.py b/mail/src/leap/mail/smtp/__init__.py
index d3eb9e85..bbd4064a 100644
--- a/mail/src/leap/mail/smtp/__init__.py
+++ b/mail/src/leap/mail/smtp/__init__.py
@@ -30,7 +30,7 @@ from leap.mail.smtp.gateway import SMTPFactory
 
 
 def setup_smtp_gateway(port, userid, keymanager, smtp_host, smtp_port,
-                     smtp_cert, smtp_key, encrypted_only):
+                       smtp_cert, smtp_key, encrypted_only):
     """
     Setup SMTP gateway to run with Twisted.
 
@@ -52,8 +52,8 @@ def setup_smtp_gateway(port, userid, keymanager, smtp_host, smtp_port,
     :type smtp_cert: str
     :param smtp_key: The client key for authentication.
     :type smtp_key: str
-    :param encrypted_only: Whether the SMTP gateway should send unencrypted mail
-                           or not.
+    :param encrypted_only: Whether the SMTP gateway should send unencrypted
+                           mail or not.
     :type encrypted_only: bool
 
     :returns: tuple of SMTPFactory, twisted.internet.tcp.Port
diff --git a/mail/src/leap/mail/smtp/rfc3156.py b/mail/src/leap/mail/smtp/rfc3156.py
index dd484753..b0288b4d 100644
--- a/mail/src/leap/mail/smtp/rfc3156.py
+++ b/mail/src/leap/mail/smtp/rfc3156.py
@@ -361,7 +361,7 @@ class PGPSignature(MIMEApplication):
     """
     def __init__(self, _data, name='signature.asc'):
         MIMEApplication.__init__(self, _data, 'pgp-signature',
-            _encoder=lambda x: x, name=name)
+                                 encoder=lambda x: x, name=name)
         self.add_header('Content-Description', 'OpenPGP Digital Signature')
 
 
diff --git a/mail/src/leap/mail/smtp/tests/test_gateway.py b/mail/src/leap/mail/smtp/tests/test_gateway.py
index 4c2f04f4..5b15b5b8 100644
--- a/mail/src/leap/mail/smtp/tests/test_gateway.py
+++ b/mail/src/leap/mail/smtp/tests/test_gateway.py
@@ -101,10 +101,16 @@ class TestSmtpGateway(TestCaseWithKeyManager):
                         '250 Sender address accepted',
                         '250 Recipient address accepted',
                         '354 Continue']
-        proto = SMTPFactory(u'anotheruser@leap.se',
-            self._km, self._config['host'], self._config['port'],
+
+        # XXX this bit can be refactored away in a helper
+        # method...
+        proto = SMTPFactory(
+            u'anotheruser@leap.se',
+            self._km, self._config['host'],
+            self._config['port'],
             self._config['cert'], self._config['key'],
             self._config['encrypted_only']).buildProtocol(('127.0.0.1', 0))
+        # snip...
         transport = proto_helpers.StringTransport()
         proto.makeConnection(transport)
         for i, line in enumerate(self.EMAIL_DATA):
@@ -118,8 +124,10 @@ class TestSmtpGateway(TestCaseWithKeyManager):
         """
         Test if message gets encrypted to destination email.
         """
-        proto = SMTPFactory(u'anotheruser@leap.se',
-            self._km, self._config['host'], self._config['port'],
+        proto = SMTPFactory(
+            u'anotheruser@leap.se',
+            self._km, self._config['host'],
+            self._config['port'],
             self._config['cert'], self._config['key'],
             self._config['encrypted_only']).buildProtocol(('127.0.0.1', 0))
         fromAddr = Address(ADDRESS_2)
@@ -158,8 +166,10 @@ class TestSmtpGateway(TestCaseWithKeyManager):
         Test if message gets encrypted to destination email and signed with
         sender key.
         """
-        proto = SMTPFactory(u'anotheruser@leap.se',
-            self._km, self._config['host'], self._config['port'],
+        proto = SMTPFactory(
+            u'anotheruser@leap.se',
+            self._km, self._config['host'],
+            self._config['port'],
             self._config['cert'], self._config['key'],
             self._config['encrypted_only']).buildProtocol(('127.0.0.1', 0))
         user = User(ADDRESS, 'gateway.leap.se', proto, ADDRESS)
@@ -202,11 +212,14 @@ class TestSmtpGateway(TestCaseWithKeyManager):
         """
         # mock the key fetching
         self._km.fetch_keys_from_server = Mock(return_value=[])
-        proto = SMTPFactory(u'anotheruser@leap.se',
-            self._km, self._config['host'], self._config['port'],
+        proto = SMTPFactory(
+            u'anotheruser@leap.se',
+            self._km, self._config['host'],
+            self._config['port'],
             self._config['cert'], self._config['key'],
             self._config['encrypted_only']).buildProtocol(('127.0.0.1', 0))
-        user = User('ihavenopubkey@nonleap.se', 'gateway.leap.se', proto, ADDRESS)
+        user = User('ihavenopubkey@nonleap.se',
+                    'gateway.leap.se', proto, ADDRESS)
         fromAddr = Address(ADDRESS_2)
         m = EncryptedMessage(
             fromAddr, user, self._km, self._config['host'],
@@ -226,7 +239,7 @@ class TestSmtpGateway(TestCaseWithKeyManager):
         self.assertEqual('pgp-sha512', m._msg.get_param('micalg'))
         # assert content of message
         self.assertEqual(
-            '\r\n'.join(self.EMAIL_DATA[9:13])+'\r\n--\r\n' +
+            '\r\n'.join(self.EMAIL_DATA[9:13]) + '\r\n--\r\n' +
             'I prefer encrypted email - https://leap.se/key/anotheruser.\r\n',
             m._msg.get_payload(0).get_payload(decode=True))
         # assert content of signature
@@ -262,8 +275,10 @@ class TestSmtpGateway(TestCaseWithKeyManager):
         # mock the key fetching
         self._km.fetch_keys_from_server = Mock(return_value=[])
         # prepare the SMTP factory
-        proto = SMTPFactory(u'anotheruser@leap.se',
-            self._km, self._config['host'], self._config['port'],
+        proto = SMTPFactory(
+            u'anotheruser@leap.se',
+            self._km, self._config['host'],
+            self._config['port'],
             self._config['cert'], self._config['key'],
             self._config['encrypted_only']).buildProtocol(('127.0.0.1', 0))
         transport = proto_helpers.StringTransport()
@@ -291,8 +306,10 @@ class TestSmtpGateway(TestCaseWithKeyManager):
         # mock the key fetching
         self._km.fetch_keys_from_server = Mock(return_value=[])
         # prepare the SMTP factory with encrypted only equal to false
-        proto = SMTPFactory(u'anotheruser@leap.se',
-            self._km, self._config['host'], self._config['port'],
+        proto = SMTPFactory(
+            u'anotheruser@leap.se',
+            self._km, self._config['host'],
+            self._config['port'],
             self._config['cert'], self._config['key'],
             False).buildProtocol(('127.0.0.1', 0))
         transport = proto_helpers.StringTransport()