pep8 fixes

no changes to the code, only fixed stuff denounced by `pep8 *py`

4 files changed, 52 insertions, 17 deletions

diff --git a/bindings/python/notmuch/__init__.py b/bindings/python/notmuch/__init__.py
index 539afedf..f3ff9874 100644
--- a/bindings/python/notmuch/__init__.py
+++ b/bindings/python/notmuch/__init__.py
@@ -69,7 +69,7 @@ from notmuch.globals import (
     TagTooLongError,
     UnbalancedFreezeThawError,
     UnbalancedAtomicError,
-    NotInitializedError
+    NotInitializedError,
 )
 from notmuch.version import __VERSION__
 __LICENSE__ = "GPL v3+"
diff --git a/bindings/python/notmuch/database.py b/bindings/python/notmuch/database.py
index 25b4b1b1..ca172738 100644
--- a/bindings/python/notmuch/database.py
+++ b/bindings/python/notmuch/database.py
@@ -27,6 +27,7 @@ from notmuch.thread import Threads
 from notmuch.message import Messages, Message
 from notmuch.tag import Tags
 
+
 class Database(object):
     """The :class:`Database` is the highest-level object that notmuch
     provides. It references a notmuch database, and can be opened in
@@ -83,12 +84,14 @@ class Database(object):
 
     """ notmuch_database_find_message"""
     _find_message = nmlib.notmuch_database_find_message
-    _find_message.argtypes = [NotmuchDatabaseP, c_char_p, POINTER(NotmuchMessageP)]
+    _find_message.argtypes = [NotmuchDatabaseP, c_char_p,
+                              POINTER(NotmuchMessageP)]
     _find_message.restype = c_uint
 
     """notmuch_database_find_message_by_filename"""
     _find_message_by_filename = nmlib.notmuch_database_find_message_by_filename
-    _find_message_by_filename.argtypes = [NotmuchDatabaseP, c_char_p, POINTER(NotmuchMessageP)]
+    _find_message_by_filename.argtypes = [NotmuchDatabaseP, c_char_p,
+                                          POINTER(NotmuchMessageP)]
     _find_message_by_filename.restype = c_uint
 
     """notmuch_database_get_all_tags"""
@@ -177,8 +180,8 @@ class Database(object):
         :param status: Open the database in read-only or read-write mode
         :type status:  :attr:`MODE`
         :returns: Nothing
-        :exception: Raises :exc:`NotmuchError` in case
-            of any failure (possibly after printing an error message on stderr).
+        :exception: Raises :exc:`NotmuchError` in case of any failure
+                    (possibly after printing an error message on stderr).
         """
         res = Database._open(_str(path), mode)
 
@@ -293,12 +296,12 @@ class Database(object):
         (creating it if it does not exist(?))
 
         .. warning:: This call needs a writeable database in
-           :attr:`Database.MODE`.READ_WRITE mode. The underlying library will exit the
-           program if this method is used on a read-only database!
+           :attr:`Database.MODE`.READ_WRITE mode. The underlying library will
+           exit the program if this method is used on a read-only database!
 
         :param path: An unicode string containing the path relative to the path
-              of database (see :meth:`get_path`), or else should be an absolute path
-              with initial components that match the path of 'database'.
+              of database (see :meth:`get_path`), or else should be an absolute
+              path with initial components that match the path of 'database'.
         :returns: :class:`Directory` or raises an exception.
         :exception:
             :exc:`NotmuchError` with :attr:`STATUS`.FILE_ERROR
@@ -325,7 +328,8 @@ class Database(object):
         return Directory(_str(abs_dirpath), dir_p, self)
 
     _add_message = nmlib.notmuch_database_add_message
-    _add_message.argtypes = [NotmuchDatabaseP, c_char_p, POINTER(NotmuchMessageP)]
+    _add_message.argtypes = [NotmuchDatabaseP, c_char_p,
+                             POINTER(NotmuchMessageP)]
     _add_message.restype = c_uint
 
     def add_message(self, filename, sync_maildir_flags=False):
@@ -490,7 +494,8 @@ class Database(object):
         """Returns :class:`Tags` with a list of all tags found in the database
 
         :returns: :class:`Tags`
-        :execption: :exc:`NotmuchError` with :attr:`STATUS`.NULL_POINTER on error
+        :execption: :exc:`NotmuchError` with :attr:`STATUS`.NULL_POINTER
+                    on error
         """
         self._assert_db_is_initialized()
         tags_p = Database._get_all_tags(self._db)
@@ -748,7 +753,8 @@ class Directory(object):
     _get_child_directories.restype = NotmuchFilenamesP
 
     def _assert_dir_is_initialized(self):
-        """Raises a NotmuchError(:attr:`STATUS`.NOT_INITIALIZED) if dir_p is None"""
+        """Raises a NotmuchError(:attr:`STATUS`.NOT_INITIALIZED)
+        if dir_p is None"""
         if self._dir_p is None:
             raise NotmuchError(STATUS.NOT_INITIALIZED)
 
diff --git a/bindings/python/notmuch/globals.py b/bindings/python/notmuch/globals.py
index 36354fce..f5c8d528 100644
--- a/bindings/python/notmuch/globals.py
+++ b/bindings/python/notmuch/globals.py
@@ -89,6 +89,7 @@ Invoke the class method `notmuch.STATUS.status2str` with a status value as
 argument to receive a human readable string"""
 STATUS.__name__ = 'STATUS'
 
+
 class NotmuchError(Exception):
     """Is initiated with a (notmuch.STATUS[, message=None]). It will not
     return an instance of the class NotmuchError, but a derived instance
@@ -97,7 +98,8 @@ class NotmuchError(Exception):
 
     @classmethod
     def get_exc_subclass(cls, status):
-        """Returns a fine grained Exception() type,detailing the error status"""
+        """Returns a fine grained Exception() type,
+        detailing the error status"""
         subclasses = {
             STATUS.OUT_OF_MEMORY: OutOfMemoryError,
             STATUS.READ_ONLY_DATABASE: ReadOnlyDatabaseError,
@@ -109,7 +111,7 @@ class NotmuchError(Exception):
             STATUS.TAG_TOO_LONG: TagTooLongError,
             STATUS.UNBALANCED_FREEZE_THAW: UnbalancedFreezeThawError,
             STATUS.UNBALANCED_ATOMIC: UnbalancedAtomicError,
-            STATUS.NOT_INITIALIZED: NotInitializedError
+            STATUS.NOT_INITIALIZED: NotInitializedError,
         }
         assert 0 < status <= len(subclasses)
         return subclasses[status]
@@ -125,7 +127,7 @@ class NotmuchError(Exception):
         # no 'status' or cls is subclass already, return 'cls' instance
         if not status or cls != NotmuchError:
             return super(NotmuchError, cls).__new__(cls)
-        subclass = cls.get_exc_subclass(status) # which class to use?
+        subclass = cls.get_exc_subclass(status)  # which class to use?
         return subclass.__new__(subclass, *args, **kwargs)
 
     def __init__(self, status=None, message=None):
@@ -140,28 +142,49 @@ class NotmuchError(Exception):
         else:
             return 'Unknown error'
 
+
 # List of Subclassed exceptions that correspond to STATUS values and are
 # subclasses of NotmuchError.
 class OutOfMemoryError(NotmuchError):
     status = STATUS.OUT_OF_MEMORY
+
+
 class ReadOnlyDatabaseError(NotmuchError):
     status = STATUS.READ_ONLY_DATABASE
+
+
 class XapianError(NotmuchError):
     status = STATUS.XAPIAN_EXCEPTION
+
+
 class FileError(NotmuchError):
     status = STATUS.FILE_ERROR
+
+
 class FileNotEmailError(NotmuchError):
     status = STATUS.FILE_NOT_EMAIL
+
+
 class DuplicateMessageIdError(NotmuchError):
     status = STATUS.DUPLICATE_MESSAGE_ID
+
+
 class NullPointerError(NotmuchError):
     status = STATUS.NULL_POINTER
+
+
 class TagTooLongError(NotmuchError):
     status = STATUS.TAG_TOO_LONG
+
+
 class UnbalancedFreezeThawError(NotmuchError):
     status = STATUS.UNBALANCED_FREEZE_THAW
+
+
 class UnbalancedAtomicError(NotmuchError):
     status = STATUS.UNBALANCED_ATOMIC
+
+
 class NotInitializedError(NotmuchError):
     """Derived from NotmuchError, this occurs if the underlying data
     structure (e.g. database is not initialized (yet) or an iterator has
@@ -170,7 +193,6 @@ class NotInitializedError(NotmuchError):
     status = STATUS.NOT_INITIALIZED
 
 
-
 def _str(value):
     """Ensure a nicely utf-8 encoded string to pass to libnotmuch
 
@@ -187,34 +209,42 @@ class NotmuchDatabaseS(Structure):
     pass
 NotmuchDatabaseP = POINTER(NotmuchDatabaseS)
 
+
 class NotmuchQueryS(Structure):
     pass
 NotmuchQueryP = POINTER(NotmuchQueryS)
 
+
 class NotmuchThreadsS(Structure):
     pass
 NotmuchThreadsP = POINTER(NotmuchThreadsS)
 
+
 class NotmuchThreadS(Structure):
     pass
 NotmuchThreadP = POINTER(NotmuchThreadS)
 
+
 class NotmuchMessagesS(Structure):
     pass
 NotmuchMessagesP = POINTER(NotmuchMessagesS)
 
+
 class NotmuchMessageS(Structure):
     pass
 NotmuchMessageP = POINTER(NotmuchMessageS)
 
+
 class NotmuchTagsS(Structure):
     pass
 NotmuchTagsP = POINTER(NotmuchTagsS)
 
+
 class NotmuchDirectoryS(Structure):
     pass
 NotmuchDirectoryP = POINTER(NotmuchDirectoryS)
 
+
 class NotmuchFilenamesS(Structure):
     pass
 NotmuchFilenamesP = POINTER(NotmuchFilenamesS)
diff --git a/bindings/python/notmuch/thread.py b/bindings/python/notmuch/thread.py
index d903c761..dbd6c0ff 100644
--- a/bindings/python/notmuch/thread.py
+++ b/bindings/python/notmuch/thread.py
@@ -247,7 +247,6 @@ class Thread(object):
             raise NotmuchError(STATUS.NOT_INITIALIZED)
         return Thread._get_thread_id(self._thread)
 
-
     _get_total_messages = nmlib.notmuch_thread_get_total_messages
     _get_total_messages.argtypes = [NotmuchThreadP]
     _get_total_messages.restype = c_int