import ctypes
-from ctypes import c_int, c_char_p, c_void_p
-from cnotmuch.globals import nmlib, STATUS, NotmuchError
-
+from ctypes import c_int, c_char_p, c_void_p, c_uint, c_uint64, c_bool
+from cnotmuch.globals import nmlib, STATUS, NotmuchError, Enum
+import logging
+from datetime import date
class Database(object):
- """ Wrapper around a notmuch_database_t
+ """Represents a notmuch database (wraps notmuch_database_t)
- Do note that as soon as we tear down this object, all derived queries,
- threads, and messages will be freed as well.
+ .. note:: Do remember that as soon as we tear down this object,
+ all underlying derived objects such as queries, threads,
+ messages, tags etc will be freed by the underlying library
+ as well. Accessing these objects will lead to segfaults and
+ other unexpected behavior. See above for more details.
"""
- #constants
- MODE_READ_ONLY = 0
- MODE_READ_WRITE = 1
+ MODE = Enum(['READ_ONLY','READ_WRITE'])
+ """Constants: Mode in which to open the database"""
_std_db_path = None
- """Class attribute of users default database"""
+ """Class attribute to cache user's default database"""
"""notmuch_database_get_path (notmuch_database_t *database)"""
_get_path = nmlib.notmuch_database_get_path
_get_path.restype = c_char_p
+ """notmuch_database_get_version"""
+ _get_version = nmlib.notmuch_database_get_version
+ _get_version.restype = c_uint
+
"""notmuch_database_open (const char *path, notmuch_database_mode_t mode)"""
_open = nmlib.notmuch_database_open
_open.restype = c_void_p
+ """ notmuch_database_find_message """
+ _find_message = nmlib.notmuch_database_find_message
+ _find_message.restype = c_void_p
+
"""notmuch_database_get_all_tags (notmuch_database_t *database)"""
_get_all_tags = nmlib.notmuch_database_get_all_tags
_get_all_tags.restype = c_void_p
- class notmuch_database_t(ctypes.Structure):
- """the opaque database that is returned by functions."""
- pass
+ """ notmuch_database_create(const char *path):"""
+ _create = nmlib.notmuch_database_create
+ _create.restype = c_void_p
- def __init__(self, path=None, create=False, status= MODE_READ_ONLY):
- """ Open or create a notmuch database"""
+ def __init__(self, path=None, create=False, mode= MODE.READ_ONLY):
+ """If *path* is *None*, we will try to read a users notmuch
+ configuration and use his default database. If *create* is `True`,
+ the database will always be created in
+ :attr:`MODE`.READ_WRITE mode.
+
+ :param path: Directory to open/create the database in (see
+ above for behavior if `None`)
+ :type path: `str` or `None`
+ :param create: Pass `False` to open an existing, `True` to create a new
+ database.
+ :type create: bool
+ :param mode: Mode to open a database in. Is always
+ :attr:`MODE`.READ_WRITE when creating a new one.
+ :type mode: :attr:`MODE`
+ :returns: Nothing
+ :exception: :exc:`NotmuchError` in case of failure.
+ """
self._db = None
+ if path is None:
+ # no path specified. use a user's default database
+ if Database._std_db_path is None:
+ #the following line throws a NotmuchError if it fails
+ Database._std_db_path = self._get_user_default_db()
+ path = Database._std_db_path
+
if create == False:
- self.open(path, status)
+ self.open(path, mode)
else:
- #TODO: implement
- raise NotmuchError(message="Not implemented yet")
+ self.create(path)
- #TODO: make a proper function
- create=nmlib.notmuch_database_create
- """ notmuch_database_create(const char *path):"""
+ def create(self, path):
+ """Creates a new notmuch database
- def open(self, path=None, status= MODE_READ_ONLY):
- """calls notmuch_database_open
+ This function is used by __init__() and usually does not need
+ to be called directly. It wraps the underlying
+ *notmuch_database_create* function and creates a new notmuch
+ database at *path*. It will always return a database in
+ :attr:`MODE`.READ_WRITE mode as creating an empty database for
+ reading only does not make a great deal of sense.
- If path is None, we will try to read a users notmuch configuration and
- use his default database.
- :returns: Raises :exc:`notmuch.NotmuchError` in case
- of any failure (after printing an error message on stderr).
+ :param path: A directory in which we should create the database.
+ :type path: str
+ :returns: Nothing
+ :exception: :exc:`NotmuchError` in case of any failure
+ (after printing an error message on stderr).
"""
- if path is None:
- if Database._std_db_path is None:
- from ConfigParser import SafeConfigParser
- import os.path
- config = SafeConfigParser()
- config.read(os.path.expanduser('~/.notmuch-config'))
- if not config.has_option('database','path'):
- raise NotmuchError(message=
- "No DB path specified and no user default found")
- Database._std_db_path=config.get('database','path')
- path = Database._std_db_path
+ if self._db is not None:
+ raise NotmuchError(
+ message="Cannot create db, this Database() already has an open one.")
- res = Database._open(path, status)
+ res = Database._create(path, MODE.READ_WRITE)
+
+ if res is None:
+ raise NotmuchError(
+ message="Could not create the specified database")
+ self._db = res
+
+ def open(self, path, mode= MODE.READ_ONLY):
+ """Opens an existing database
+
+ This function is used by __init__() and usually does not need
+ to be called directly. It wraps the underlying
+ *notmuch_database_open* function.
+
+ :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 (after printing an error message on stderr).
+ """
+
+ res = Database._open(path, mode)
if res is None:
raise NotmuchError(
self._db = res
def get_path(self):
- """notmuch_database_get_path (notmuch_database_t *database); """
+ """Returns the file path of an open database
+
+ Wraps notmuch_database_get_path"""
return Database._get_path(self._db)
- #TODO:implement
- #If no message is found with the given message_id or if an
- #out-of-memory situation occurs, this function returns NULL.
- #notmuch_message_t *
- #notmuch_database_find_message (notmuch_database_t *database,
- # const char *message_id);
+ def get_version(self):
+ """Returns the database format version
+
+ :returns: The database version as positive integer
+ :exception: :exc:`NotmuchError` with STATUS.NOT_INITIALIZED if
+ the database was not intitialized.
+ """
+ if self._db is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
+ return Database._get_version (self._db)
+
+ def needs_upgrade(self):
+ """Does this database need to be upgraded before writing to it?
+
+ If this function returns TRUE then no functions that modify the
+ database (:meth:`Database.add_message`, :meth:`Database.add_tag`,
+ :meth:`Directory.set_mtime`, etc.) will work unless :meth:`upgrade`
+ is called successfully first.
+
+ :returns: `True` or `False`
+ :exception: :exc:`NotmuchError` with STATUS.NOT_INITIALIZED if
+ the database was not intitialized.
+ """
+ if self._db is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
+ return notmuch_database_needs_upgrade(self.db)
+
+ def find_message(self, msgid):
+ """Returns a :class:`Message` as identified by its message ID
+
+ Wraps the underlying *notmuch_database_find_message* function.
+
+ :param msgid: The message ID
+ :type msgid: string
+ :returns: :class:`Message` or `None` if no message is found or if an
+ out-of-memory situation occurs.
+ :exception: :exc:`NotmuchError` with STATUS.NOT_INITIALIZED if
+ the database was not intitialized.
+ """
+ if self._db is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+ msg_p = Database._find_message(self._db, msgid)
+ if msg_p is None:
+ return None
+ return Message(msg_p, self)
def get_all_tags(self):
- """Return a Tags() object (list of all tags found in the database)
+ """Returns :class:`Tags` with a list of all tags found in the database
- :returns: Tags() object or raises :exc:`NotmuchError` with
- STATUS.NULL_POINTER on error
+ :returns: :class:`Tags`
+ :execption: :exc:`NotmuchError` with STATUS.NULL_POINTER on error
"""
+ if self._db is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
tags_p = Database._get_all_tags (self._db)
if tags_p == None:
raise NotmuchError(STATUS.NULL_POINTER)
def __del__(self):
"""Close and free the notmuch database if needed"""
if self._db is not None:
- print("Freeing the database now")
+ logging.debug("Freeing the database now")
nmlib.notmuch_database_close(self._db)
+ def _get_user_default_db(self):
+ """ Reads a user's notmuch config and returns his db location
+
+ Throws a NotmuchError if it cannot find it"""
+ from ConfigParser import SafeConfigParser
+ import os.path
+ config = SafeConfigParser()
+ config.read(os.path.expanduser('~/.notmuch-config'))
+ if not config.has_option('database','path'):
+ raise NotmuchError(message=
+ "No DB path specified and no user default found")
+ return config.get('database','path')
+
@property
def db_p(self):
- """Returns a pointer to the current notmuch_database_t or None"""
+ """Property returning a pointer to the notmuch_database_t or `None`
+
+ This should normally not be needed by a user."""
return self._db
+#------------------------------------------------------------------------------
+class Query(object):
+ """ Represents a search query on an opened :class:`Database`.
+
+ A query selects and filters a subset of messages from the notmuch
+ database we derive from.
+
+ Technically, it wraps the underlying *notmuch_query_t* struct.
+
+ .. note:: Do remember that as soon as we tear down this object,
+ all underlying derived objects such as threads,
+ messages, tags etc will be freed by the underlying library
+ as well. Accessing these objects will lead to segfaults and
+ other unexpected behavior. See above for more details.
+ """
+ # constants
+ SORT = Enum(['OLDEST_FIRST','NEWEST_FIRST','MESSAGE_ID'])
+ """Constants: Sort order in which to return results"""
+
+ """notmuch_query_create"""
+ _create = nmlib.notmuch_query_create
+ _create.restype = c_void_p
+
+ """notmuch_query_search_messages"""
+ _search_messages = nmlib.notmuch_query_search_messages
+ _search_messages.restype = c_void_p
+
+ def __init__(self, db, querystr):
+ """
+ :param db: An open database which we derive the Query from.
+ :type db: :class:`Database`
+ :param querystr: The query string for the message.
+ :type querystr: str
+ """
+ self._db = None
+ self._query = None
+ self.create(db, querystr)
+
+ def create(self, db, querystr):
+ """Creates a new query derived from a Database.
+
+ This function is utilized by __init__() and usually does not need to
+ be called directly.
+
+ :param db: Database to create the query from.
+ :type db: :class:`Database`
+ :param querystr: The query string
+ :type querystr: str
+ :returns: Nothing
+ :exception: :exc:`NotmuchError`
+
+ * STATUS.NOT_INITIALIZED if db is not inited
+ * STATUS.NULL_POINTER if the query creation failed
+ (too little memory)
+ """
+ if db.db_p is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+ # create reference to parent db to keep it alive
+ self._db = db
+
+ # create query, return None if too little mem available
+ query_p = Query._create(db.db_p, querystr)
+ if query_p is None:
+ NotmuchError(STATUS.NULL_POINTER)
+ self._query = query_p
+
+ def set_sort(self, sort):
+ """Set the sort order future results will be delivered in
+
+ Wraps the underlying *notmuch_query_set_sort* function.
+
+ :param sort: Sort order (see :attr:`Query.SORT`)
+ :returns: Nothing
+ :exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if query has not
+ been initialized.
+ """
+ if self._query is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
+ nmlib.notmuch_query_set_sort(self._query, sort)
+
+ def search_messages(self):
+ """Filter messages according to the query and return
+ :class:`Messages` in the defined sort order
+
+ Technically, it wraps the underlying
+ *notmuch_query_search_messages* function.
+
+ :returns: :class:`Messages`
+ :exception: :exc:`NotmuchError`
+
+ * STATUS.NOT_INITIALIZED if query is not inited
+ * STATUS.NULL_POINTER if search_messages failed
+ """
+ if self._query is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
+ msgs_p = Query._search_messages(self._query)
+
+ if msgs_p is None:
+ NotmuchError(STATUS.NULL_POINTER)
+
+ return Messages(msgs_p,self)
+
+
+ def __del__(self):
+ """Close and free the Query"""
+ if self._query is not None:
+ logging.debug("Freeing the Query now")
+ nmlib.notmuch_query_destroy (self._query)
#------------------------------------------------------------------------------
class Tags(object):
- """Wrapper around notmuch_tags_t"""
- class notmuch_tags_t(ctypes.Structure):
- """the opaque tags struct that is returned by functions."""
- pass
+ """Represents a list of notmuch tags
+
+ This object provides an iterator over a list of notmuch tags. Do
+ note that the underlying library only provides a one-time iterator
+ (it cannot reset the iterator to the start). Thus iterating over
+ the function will "exhaust" the list of tags, and a subsequent
+ iteration attempt will raise a :exc:`NotmuchError`
+ STATUS.NOT_INITIALIZED. Also note, that any function that uses
+ iteration (nearly all) will also exhaust the tags. So both::
+
+ for tag in tags: print tag
+
+ as well as::
+
+ number_of_tags = len(tags)
+
+ and even a simple::
+
+ #str() iterates over all tags to construct a space separated list
+ print(str(tags))
+
+ will "exhaust" the Tags. If you need to re-iterate over a list of
+ tags you will need to retrieve a new :class:`Tags` object.
+ """
#notmuch_tags_get
_get = nmlib.notmuch_tags_get
_get.restype = c_char_p
- def __init__(self, tags_p, db=None):
- """ Is passed the db these tags are derived from, and saves a
- reference to it, so we can automatically delete the db object
- once all derived objects are dead."""
+ def __init__(self, tags_p, parent=None):
+ """
+ :param tags_p: A pointer to an underlying *notmuch_tags_t*
+ structure. These are not publically exposed, so a user
+ will almost never instantiate a :class:`Tags` object
+ herself. They are usually handed back as a result,
+ e.g. in :meth:`Database.get_all_tags`. *tags_p* must be
+ valid, we will raise an :exc:`NotmuchError`
+ (STATUS.NULL_POINTER) if it is `None`.
+ :type tags_p: :class:`ctypes.c_void_p`
+ :param parent: The parent object (ie :class:`Database` or
+ :class:`Message` these tags are derived from, and saves a
+ reference to it, so we can automatically delete the db object
+ once all derived objects are dead.
+ :TODO: Make the iterator optionally work more than once by
+ cache the tags in the Python object(?)
+ """
+ if tags_p is None:
+ NotmuchError(STATUS.NULL_POINTER)
+
self._tags = tags_p
- self._db = db
- print "inited tags with %d %s" %(tags_p, str(db))
+ #save reference to parent object so we keep it alive
+ self._parent = parent
+ logging.debug("Inited Tags derived from %s" %(repr(parent)))
def __iter__(self):
""" Make Tags an iterator """
def next(self):
if self._tags is None:
- raise StopIteration
- nmlib.notmuch_tags_move_to_next(self._tags)
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
if not nmlib.notmuch_tags_valid(self._tags):
+ self._tags = None
raise StopIteration
- return Tags._get (self._tags)
+
+ tag = Tags._get (self._tags)
+ nmlib.notmuch_tags_move_to_next(self._tags)
+ return tag
+
+ def __len__(self):
+ """len(:class:`Tags`) returns the number of contained tags
+
+ .. note:: As this iterates over the tags, we will not be able
+ to iterate over them again (as in retrieve them)! If
+ the tags have been exhausted already, this will raise a
+ :exc:`NotmuchError` STATUS.NOT_INITIALIZED on
+ subsequent attempts.
+ """
+ if self._tags is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
+ i=0
+ while nmlib.notmuch_tags_valid(self._msgs):
+ nmlib.notmuch_tags_move_to_next(self._msgs)
+ i += 1
+ self._tags = None
+ return i
+
+ def __str__(self):
+ """The str() representation of Tags() is a space separated list of tags
+
+ .. note:: As this iterates over the tags, we will not be able
+ to iterate over them again (as in retrieve them)! If
+ the tags have been exhausted already, this will raise a
+ :exc:`NotmuchError` STATUS.NOT_INITIALIZED on
+ subsequent attempts.
+ """
+ return " ".join(self)
def __del__(self):
"""Close and free the notmuch tags"""
if self._tags is not None:
- print("Freeing the Tags now")
+ logging.debug("Freeing the Tags now")
nmlib.notmuch_tags_destroy (self._tags)
+
+
+#------------------------------------------------------------------------------
+class Messages(object):
+ """Represents a list of notmuch messages
+
+ This object provides an iterator over a list of notmuch messages
+ (Technically, it provides a wrapper for the underlying
+ *notmuch_messages_t* structure). Do note that the underlying
+ library only provides a one-time iterator (it cannot reset the
+ iterator to the start). Thus iterating over the function will
+ "exhaust" the list of messages, and a subsequent iteration attempt
+ will raise a :exc:`NotmuchError` STATUS.NOT_INITIALIZED. Also
+ note, that any function that uses iteration will also
+ exhaust the messages. So both::
+
+ for msg in msgs: print msg
+
+ as well as::
+
+ number_of_msgs = len(msgs)
+
+ will "exhaust" the Messages. If you need to re-iterate over a list of
+ messages you will need to retrieve a new :class:`Messages` object.
+
+ Things are not as bad as it seems though, you can store and reuse
+ the single Message objects as often as you want as long as you
+ keep the parent Messages object around. (Recall that due to
+ hierarchical memory allocation, all derived Message objects will
+ be invalid when we delete the parent Messages() object, even if it
+ was already "exhausted".) So this works::
+
+ db = Database()
+ msgs = Query(db,'').search_messages() #get a Messages() object
+ msglist = []
+ for m in msgs:
+ msglist.append(m)
+
+ # msgs is "exhausted" now and even len(msgs) will raise an exception.
+ # However it will be kept around until all retrieved Message() objects are
+ # also deleted. If you did e.g. an explicit del(msgs) here, the
+ # following lines would fail.
+
+ # You can reiterate over *msglist* however as often as you want.
+ # It is simply a list with Message objects.
+
+ print (msglist[0].get_filename())
+ print (msglist[1].get_filename())
+ print (msglist[0].get_message_id())
+ """
+
+ #notmuch_tags_get
+ _get = nmlib.notmuch_messages_get
+ _get.restype = c_void_p
+
+ _collect_tags = nmlib.notmuch_messages_collect_tags
+ _collect_tags.restype = c_void_p
+
+ def __init__(self, msgs_p, parent=None):
+ """
+ :param msgs_p: A pointer to an underlying *notmuch_messages_t*
+ structure. These are not publically exposed, so a user
+ will almost never instantiate a :class:`Messages` object
+ herself. They are usually handed back as a result,
+ e.g. in :meth:`Query.search_messages`. *msgs_p* must be
+ valid, we will raise an :exc:`NotmuchError`
+ (STATUS.NULL_POINTER) if it is `None`.
+ :type msgs_p: :class:`ctypes.c_void_p`
+ :param parent: The parent object
+ (ie :class:`Query`) these tags are derived from. It saves
+ a reference to it, so we can automatically delete the db
+ object once all derived objects are dead.
+ :TODO: Make the iterator work more than once and cache the tags in
+ the Python object.(?)
+ """
+ if msgs_p is None:
+ NotmuchError(STATUS.NULL_POINTER)
+
+ self._msgs = msgs_p
+ #store parent, so we keep them alive as long as self is alive
+ self._parent = parent
+ logging.debug("Inited Messages derived from %s" %(str(parent)))
+
+ def collect_tags(self):
+ """Return the unique :class:`Tags` in the contained messages
+
+ :returns: :class:`Tags`
+ :exceptions: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if not inited
+
+ .. note:: :meth:`collect_tags` will iterate over the messages and
+ therefore will not allow further iterations.
+ """
+ if self._msgs is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
+ # collect all tags (returns NULL on error)
+ tags_p = Messages._collect_tags (self._msgs)
+ #reset _msgs as we iterated over it and can do so only once
+ self._msgs = None
+
+ if tags_p == None:
+ raise NotmuchError(STATUS.NULL_POINTER)
+ return Tags(tags_p, self)
+
+ def __iter__(self):
+ """ Make Messages an iterator """
+ return self
+
+ def next(self):
+ if self._msgs is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
+ if not nmlib.notmuch_messages_valid(self._msgs):
+ self._msgs = None
+ raise StopIteration
+
+ msg = Message(Messages._get (self._msgs), self)
+ nmlib.notmuch_messages_move_to_next(self._msgs)
+ return msg
+
+ def __len__(self):
+ """len(:class:`Messages`) returns the number of contained messages
+
+ .. note:: As this iterates over the messages, we will not be able to
+ iterate over them again (as in retrieve them)!
+ """
+ if self._msgs is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
+ i=0
+ while nmlib.notmuch_messages_valid(self._msgs):
+ nmlib.notmuch_messages_move_to_next(self._msgs)
+ i += 1
+ self._msgs = None
+ return i
+
+
+
+ def __del__(self):
+ """Close and free the notmuch Messages"""
+ if self._msgs is not None:
+ logging.debug("Freeing the Messages now")
+ nmlib.notmuch_messages_destroy (self._msgs)
+
+
+#------------------------------------------------------------------------------
+class Message(object):
+ """Represents a single Email message
+
+ Technically, this wraps the underlying *notmuch_message_t* structure.
+ """
+
+ """notmuch_message_get_filename (notmuch_message_t *message)"""
+ _get_filename = nmlib.notmuch_message_get_filename
+ _get_filename.restype = c_char_p
+ """notmuch_message_get_message_id (notmuch_message_t *message)"""
+ _get_message_id = nmlib.notmuch_message_get_message_id
+ _get_message_id.restype = c_char_p
+
+ """notmuch_message_get_tags (notmuch_message_t *message)"""
+ _get_tags = nmlib.notmuch_message_get_tags
+ _get_tags.restype = c_void_p
+
+ _get_date = nmlib.notmuch_message_get_date
+ _get_date.restype = c_uint64
+
+ _get_header = nmlib.notmuch_message_get_header
+ _get_header.restype = c_char_p
+
+ def __init__(self, msg_p, parent=None):
+ """
+ :param msg_p: A pointer to an internal notmuch_message_t
+ Structure. If it is `None`, we will raise an :exc:`NotmuchError`
+ STATUS.NULL_POINTER.
+ :param parent: A 'parent' object is passed which this message is
+ derived from. We save a reference to it, so we can
+ automatically delete the parent object once all derived
+ objects are dead.
+ """
+ if msg_p is None:
+ NotmuchError(STATUS.NULL_POINTER)
+ self._msg = msg_p
+ #keep reference to parent, so we keep it alive
+ self._parent = parent
+ logging.debug("Inited Message derived from %s" %(str(parent)))
+
+
+ def get_message_id(self):
+ """Return the message ID
+
+ :returns: String with a message ID
+ :exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
+ is not initialized.
+ """
+ if self._msg is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+ return Message._get_message_id(self._msg)
+
+ def get_date(self):
+ """Returns time_t of the message date
+
+ For the original textual representation of the Date header from the
+ message call notmuch_message_get_header() with a header value of
+ "date".
+
+ :returns: a time_t timestamp
+ :rtype: c_unit64
+ :exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
+ is not initialized.
+ """
+ if self._msg is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+ return Message._get_date(self._msg)
+
+ def get_header(self, header):
+ """Returns a message header
+
+ This returns any message header that is stored in the notmuch database.
+ This is only a selected subset of headers, which is currently:
+
+ TODO: add stored headers
+
+ :param header: The name of the header to be retrieved.
+ It is not case-sensitive (TODO: confirm).
+ :type header: str
+ :returns: The header value as string
+ :exception: :exc:`NotmuchError`
+
+ * STATUS.NOT_INITIALIZED if the message
+ is not initialized.
+ * STATUS.NULL_POINTER, if no header was found
+ """
+ if self._msg is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
+ #Returns NULL if any error occurs.
+ header = Message._get_header (self._msg, header)
+ if header == None:
+ raise NotmuchError(STATUS.NULL_POINTER)
+ return header
+
+ def get_filename(self):
+ """Return the file path of the message file
+
+ :returns: Absolute file path & name of the message file
+ :exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
+ is not initialized.
+ """
+ if self._msg is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+ return Message._get_filename(self._msg)
+
+ def get_tags(self):
+ """ Return the message tags
+
+ :returns: Message tags
+ :rtype: :class:`Tags`
+ :exception: :exc:`NotmuchError`
+
+ * STATUS.NOT_INITIALIZED if the message
+ is not initialized.
+ * STATUS.NULL_POINTER, on error
+ """
+ if self._msg is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
+ tags_p = Message._get_tags(self._msg)
+ if tags_p == None:
+ raise NotmuchError(STATUS.NULL_POINTER)
+ return Tags(tags_p, self)
+
+ def add_tag(self, tag):
+ """Add a tag to the given message
+
+ Adds a tag to the current message. The maximal tag length is defined in
+ the notmuch library and is currently 200 bytes.
+
+ :param tag: String with a 'tag' to be added.
+ :returns: STATUS.SUCCESS if the tag was successfully added.
+ Raises an exception otherwise.
+ :exception: :exc:`NotmuchError`. They have the following meaning:
+
+ STATUS.NULL_POINTER
+ The 'tag' argument is NULL
+
+ STATUS.TAG_TOO_LONG
+ The length of 'tag' is too long
+ (exceeds Message.NOTMUCH_TAG_MAX)
+
+ STATUS.READ_ONLY_DATABASE
+ Database was opened in read-only mode so message cannot be
+ modified.
+
+ STATUS.NOT_INITIALIZED
+ The message has not been initialized.
+ """
+ if self._msg is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
+ status = nmlib.notmuch_message_add_tag (self._msg, tag)
+
+ if STATUS.SUCCESS == status:
+ # return on success
+ return status
+
+ raise NotmuchError(status)
+
+ def remove_tag(self, tag):
+ """Removes a tag from the given message
+
+ If the message has no such tag, this is a non-operation and
+ will report success anyway.
+
+ :param tag: String with a 'tag' to be removed.
+ :returns: STATUS.SUCCESS if the tag was successfully removed or if
+ the message had no such tag.
+ Raises an exception otherwise.
+ :exception: :exc:`NotmuchError`. They have the following meaning:
+
+ STATUS.NULL_POINTER
+ The 'tag' argument is NULL
+ NOTMUCH_STATUS_TAG_TOO_LONG
+ The length of 'tag' is too long
+ (exceeds NOTMUCH_TAG_MAX)
+ NOTMUCH_STATUS_READ_ONLY_DATABASE
+ Database was opened in read-only mode so message cannot
+ be modified.
+ STATUS.NOT_INITIALIZED
+ The message has not been initialized.
+
+ """
+ if self._msg is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
+ status = nmlib.notmuch_message_remove_tag(self._msg, tag)
+
+ if STATUS.SUCCESS == status:
+ # return on success
+ return status
+
+ raise NotmuchError(status)
+
+ def __str__(self):
+ """A message() is represented by a 1-line summary"""
+ msg = {}
+ msg['from'] = self.get_header('from')
+ msg['tags'] = str(self.get_tags())
+ msg['date'] = date.fromtimestamp(self.get_date())
+ return "%(from)s (%(date)s) (%(tags)s)" % (msg)
+
+ def format_as_text(self):
+ """Output like notmuch show (Not implemented)"""
+ return str(self)
+
+ def __del__(self):
+ """Close and free the notmuch Message"""
+ if self._msg is not None:
+ logging.debug("Freeing the Message now")
+ nmlib.notmuch_message_destroy (self._msg)
projects / notmuch / blobdiff