python: more error handling fixes

This is a follow up commit to 221c7e0b38
fixing more NULL pointer checks.

Signed-off-by: Justus Winter <4winter@informatik.uni-hamburg.de>
This commit is contained in:
Justus Winter 2012-02-19 00:36:15 +01:00
parent ab2f9fd828
commit be851ad39d
6 changed files with 37 additions and 37 deletions

View file

@ -159,7 +159,7 @@ class Database(object):
def _assert_db_is_initialized(self):
"""Raises :exc:`NotInitializedError` if self._db is `None`"""
if self._db is None:
if not self._db:
raise NotInitializedError()
def create(self, path):

View file

@ -89,7 +89,7 @@ class Filenames(Python3StringMixIn):
This is the main function that will usually be used by the
user."""
if self._files is None:
if not self._files:
raise NotmuchError(STATUS.NOT_INITIALIZED)
while self._valid(self._files):

View file

@ -135,7 +135,7 @@ class Messages(object):
:meth:`collect_tags` will iterate over the messages and therefore
will not allow further iterations.
"""
if self._msgs is None:
if not self._msgs:
raise NotmuchError(STATUS.NOT_INITIALIZED)
# collect all tags (returns NULL on error)
@ -160,7 +160,7 @@ class Messages(object):
_move_to_next.restype = None
def __next__(self):
if self._msgs is None:
if not self._msgs:
raise NotmuchError(STATUS.NOT_INITIALIZED)
if not self._valid(self._msgs):
@ -362,7 +362,7 @@ class Message(Python3StringMixIn):
:exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
is not initialized.
"""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
return Message._get_message_id(self._msg).decode('utf-8', 'ignore')
@ -379,7 +379,7 @@ class Message(Python3StringMixIn):
:exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
is not initialized.
"""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
return Message._get_thread_id(self._msg).decode('utf-8', 'ignore')
@ -402,7 +402,7 @@ class Message(Python3StringMixIn):
:exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
is not initialized.
"""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
msgs_p = Message._get_replies(self._msg)
@ -424,7 +424,7 @@ class Message(Python3StringMixIn):
:exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
is not initialized.
"""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
return Message._get_date(self._msg)
@ -447,7 +447,7 @@ class Message(Python3StringMixIn):
is not initialized.
* STATUS.NULL_POINTER if any error occured.
"""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
#Returns NULL if any error occurs.
@ -463,7 +463,7 @@ class Message(Python3StringMixIn):
:exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
is not initialized.
"""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
return Message._get_filename(self._msg).decode('utf-8', 'ignore')
@ -473,7 +473,7 @@ class Message(Python3StringMixIn):
Returns a Filenames() generator with all absolute filepaths for
messages recorded to have the same Message-ID. These files must
not necessarily have identical content."""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
files_p = Message._get_filenames(self._msg)
@ -493,7 +493,7 @@ class Message(Python3StringMixIn):
:exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
is not initialized.
"""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
return Message._get_flag(self._msg, flag)
@ -508,7 +508,7 @@ class Message(Python3StringMixIn):
:exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
is not initialized.
"""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
self._set_flag(self._msg, flag, value)
@ -522,7 +522,7 @@ class Message(Python3StringMixIn):
is not initialized.
* STATUS.NULL_POINTER, on error
"""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
tags_p = Message._get_tags(self._msg)
@ -565,7 +565,7 @@ class Message(Python3StringMixIn):
STATUS.NOT_INITIALIZED
The message has not been initialized.
"""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
status = self._add_tag(self._msg, _str(tag))
@ -613,7 +613,7 @@ class Message(Python3StringMixIn):
STATUS.NOT_INITIALIZED
The message has not been initialized.
"""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
status = self._remove_tag(self._msg, _str(tag))
@ -654,7 +654,7 @@ class Message(Python3StringMixIn):
STATUS.NOT_INITIALIZED
The message has not been initialized.
"""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
status = self._remove_all_tags(self._msg)
@ -712,7 +712,7 @@ class Message(Python3StringMixIn):
STATUS.NOT_INITIALIZED
The message has not been initialized.
"""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
status = self._freeze(self._msg)
@ -751,7 +751,7 @@ class Message(Python3StringMixIn):
STATUS.NOT_INITIALIZED
The message has not been initialized.
"""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
status = self._thaw(self._msg)
@ -787,7 +787,7 @@ class Message(Python3StringMixIn):
:returns: a :class:`STATUS` value. In short, you want to see
notmuch.STATUS.SUCCESS here. See there for details."""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
return Message._tags_to_maildir_flags(self._msg)
@ -814,7 +814,7 @@ class Message(Python3StringMixIn):
:returns: a :class:`STATUS`. In short, you want to see
notmuch.STATUS.SUCCESS here. See there for details."""
if self._msg is None:
if not self._msg:
raise NotmuchError(STATUS.NOT_INITIALIZED)
return Message._tags_to_maildir_flags(self._msg)
@ -957,7 +957,7 @@ class Message(Python3StringMixIn):
def __hash__(self):
"""Implement hash(), so we can use Message() sets"""
file = self.get_filename()
if file is None:
if not file:
return None
return hash(file)

View file

@ -70,7 +70,7 @@ class Query(object):
def _assert_query_is_initialized(self):
"""Raises :exc:`NotInitializedError` if self._query is `None`"""
if self._query is None:
if not self._query:
raise NotInitializedError()
"""notmuch_query_create"""

View file

@ -90,7 +90,7 @@ class Tags(Python3StringMixIn):
_move_to_next.restype = None
def __next__(self):
if self._tags is None:
if not self._tags:
raise NotmuchError(STATUS.NOT_INITIALIZED)
if not self._valid(self._tags):
self._tags = None

View file

@ -117,7 +117,7 @@ class Threads(Python3StringMixIn):
_move_to_next.restype = None
def __next__(self):
if self._threads is None:
if not self._threads:
raise NotmuchError(STATUS.NOT_INITIALIZED)
if not self._valid(self._threads):
@ -141,7 +141,7 @@ class Threads(Python3StringMixIn):
# next line raises NotmuchError(STATUS.NOT_INITIALIZED)!!!
for thread in threads: print thread
"""
if self._threads is None:
if not self._threads:
raise NotmuchError(STATUS.NOT_INITIALIZED)
i = 0
@ -244,7 +244,7 @@ class Thread(object):
:exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the thread
is not initialized.
"""
if self._thread is None:
if not self._thread:
raise NotmuchError(STATUS.NOT_INITIALIZED)
return Thread._get_thread_id(self._thread).decode('utf-8', 'ignore')
@ -261,7 +261,7 @@ class Thread(object):
:exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the thread
is not initialized.
"""
if self._thread is None:
if not self._thread:
raise NotmuchError(STATUS.NOT_INITIALIZED)
return self._get_total_messages(self._thread)
@ -284,7 +284,7 @@ class Thread(object):
* STATUS.NOT_INITIALIZED if query is not inited
* STATUS.NULL_POINTER if search_messages failed
"""
if self._thread is None:
if not self._thread:
raise NotmuchError(STATUS.NOT_INITIALIZED)
msgs_p = Thread._get_toplevel_messages(self._thread)
@ -307,7 +307,7 @@ class Thread(object):
:exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the thread
is not initialized.
"""
if self._thread is None:
if not self._thread:
raise NotmuchError(STATUS.NOT_INITIALIZED)
return self._get_matched_messages(self._thread)
@ -321,10 +321,10 @@ class Thread(object):
The returned string belongs to 'thread' and will only be valid for
as long as this Thread() is not deleted.
"""
if self._thread is None:
if not self._thread:
raise NotmuchError(STATUS.NOT_INITIALIZED)
authors = Thread._get_authors(self._thread)
if authors is None:
if not authors:
return None
return authors.decode('UTF-8', 'ignore')
@ -334,10 +334,10 @@ class Thread(object):
The returned string belongs to 'thread' and will only be valid for
as long as this Thread() is not deleted.
"""
if self._thread is None:
if not self._thread:
raise NotmuchError(STATUS.NOT_INITIALIZED)
subject = Thread._get_subject(self._thread)
if subject is None:
if not subject:
return None
return subject.decode('UTF-8', 'ignore')
@ -349,7 +349,7 @@ class Thread(object):
:exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
is not initialized.
"""
if self._thread is None:
if not self._thread:
raise NotmuchError(STATUS.NOT_INITIALIZED)
return Thread._get_newest_date(self._thread)
@ -361,7 +361,7 @@ class Thread(object):
:exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
is not initialized.
"""
if self._thread is None:
if not self._thread:
raise NotmuchError(STATUS.NOT_INITIALIZED)
return Thread._get_oldest_date(self._thread)
@ -384,7 +384,7 @@ class Thread(object):
is not initialized.
* STATUS.NULL_POINTER, on error
"""
if self._thread is None:
if not self._thread:
raise NotmuchError(STATUS.NOT_INITIALIZED)
tags_p = Thread._get_tags(self._thread)