_find_message = nmlib.notmuch_database_find_message
_find_message.restype = c_void_p
+ """notmuch_database_find_message_by_filename"""
+ _find_message_by_filename = nmlib.notmuch_database_find_message_by_filename
+ _find_message_by_filename.restype = c_void_p
+
"""notmuch_database_get_all_tags"""
_get_all_tags = nmlib.notmuch_database_get_all_tags
_get_all_tags.restype = c_void_p
else:
self.create(path)
- def _verify_initialized_db(self):
+ def _assert_db_is_initialized(self):
"""Raises a NotmuchError in case self._db is still None"""
if self._db is None:
raise NotmuchError(STATUS.NOT_INITIALIZED)
"""Returns the file path of an open database
Wraps *notmuch_database_get_path*."""
- # Raise a NotmuchError if not initialized
- self._verify_initialized_db()
-
+ self._assert_db_is_initialized()
return Database._get_path(self._db).decode('utf-8')
def get_version(self):
:exception: :exc:`NotmuchError` with STATUS.NOT_INITIALIZED if
the database was not intitialized.
"""
- # Raise a NotmuchError if not initialized
- self._verify_initialized_db()
-
+ self._assert_db_is_initialized()
return Database._get_version(self._db)
def needs_upgrade(self):
:exception: :exc:`NotmuchError` with STATUS.NOT_INITIALIZED if
the database was not intitialized.
"""
- # Raise a NotmuchError if not initialized
- self._verify_initialized_db()
-
+ self._assert_db_is_initialized()
return nmlib.notmuch_database_needs_upgrade(self._db)
def upgrade(self):
:TODO: catch exceptions, document return values and etc...
"""
- # Raise a NotmuchError if not initialized
- self._verify_initialized_db()
-
+ self._assert_db_is_initialized()
status = Database._upgrade(self._db, None, None)
#TODO: catch exceptions, document return values and etc
return status
+ def begin_atomic(self):
+ """Begin an atomic database operation
+
+ Any modifications performed between a successful
+ :meth:`begin_atomic` and a :meth:`end_atomic` will be applied to
+ the database atomically. Note that, unlike a typical database
+ transaction, this only ensures atomicity, not durability;
+ neither begin nor end necessarily flush modifications to disk.
+
+ :returns: STATUS.SUCCESS or raises
+
+ :exception: :exc:`NotmuchError` STATUS.XAPIAN_EXCEPTION::
+
+ A Xapian exception occurred; atomic section not
+ entered."""
+ self._assert_db_is_initialized()
+ status = nmlib.notmuch_database_begin_atomic(self._db)
+ if status != STATUS.SUCCESS:
+ raise NotmuchError(status)
+ return status
+
+ def end_atomic(self):
+ """Indicate the end of an atomic database operation
+
+ See :meth:`begin_atomic` for details.
+
+ :returns: STATUS.SUCCESS or raises
+
+ :exception:
+ :exc:`NotmuchError`:
+ STATUS.XAPIAN_EXCEPTION
+ A Xapian exception occurred; atomic section not
+ ended.
+ STATUS.UNBALANCED_ATOMIC:
+ end_atomic has been called more times than begin_atomic."""
+ self._assert_db_is_initialized()
+ status = nmlib.notmuch_database_end_atomic(self._db)
+ if status != STATUS.SUCCESS:
+ raise NotmuchError(status)
+ return status
+
def get_directory(self, path):
"""Returns a :class:`Directory` of path,
(creating it if it does not exist(?))
components same as database.
"""
- # Raise a NotmuchError if not initialized
- self._verify_initialized_db()
-
+ self._assert_db_is_initialized()
# sanity checking if path is valid, and make path absolute
if path[0] == os.sep:
# we got an absolute path
STATUS.DUPLICATE_MESSAGE_ID
Message has the same message ID as another message already
in the database. The new filename was successfully added
- to the message in the database.
+ to the list of the filenames for the existing message.
:rtype: 2-tuple(:class:`Message`, STATUS)
STATUS.NOT_INITIALIZED
The database has not been initialized.
"""
- # Raise a NotmuchError if not initialized
- self._verify_initialized_db()
-
+ self._assert_db_is_initialized()
msg_p = c_void_p()
status = nmlib.notmuch_database_add_message(self._db,
_str(filename),
return (msg, status)
def remove_message(self, filename):
- """Removes a message from the given notmuch database
+ """Removes a message (filename) from the given notmuch database
Note that only this particular filename association is removed from
the database. If the same message (as determined by the message ID)
STATUS.NOT_INITIALIZED
The database has not been initialized.
"""
- # Raise a NotmuchError if not initialized
- self._verify_initialized_db()
-
+ self._assert_db_is_initialized()
return nmlib.notmuch_database_remove_message(self._db,
filename)
:exception: :exc:`NotmuchError` with STATUS.NOT_INITIALIZED if
the database was not intitialized.
"""
- # Raise a NotmuchError if not initialized
- self._verify_initialized_db()
-
+ self._assert_db_is_initialized()
msg_p = Database._find_message(self._db, _str(msgid))
return msg_p and Message(msg_p, self) or None
+ def find_message_by_filename(self, filename):
+ """Find a message with the given filename
+
+ :returns: If the database contains a message with the given
+ filename, then a class:`Message:` is returned. This
+ function returns None in the following situations:
+
+ * No message is found with the given filename
+ * An out-of-memory situation occurs
+ * A Xapian exception occurs"""
+ self._assert_db_is_initialized()
+ msg_p = Database._find_message_by_filename(self._db, _str(filename))
+ return msg_p and Message(msg_p, self) or None
+
def get_all_tags(self):
"""Returns :class:`Tags` with a list of all tags found in the database
:returns: :class:`Tags`
:execption: :exc:`NotmuchError` with STATUS.NULL_POINTER on error
"""
- # Raise a NotmuchError if not initialized
- self._verify_initialized_db()
-
+ self._assert_db_is_initialized()
tags_p = Database._get_all_tags(self._db)
if tags_p == None:
raise NotmuchError(STATUS.NULL_POINTER)
This function is a python extension and not in the underlying C API.
"""
- # Raise a NotmuchError if not initialized
- self._verify_initialized_db()
-
+ self._assert_db_is_initialized()
return Query(self, querystring)
def __repr__(self):