-
-
- 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_thread_id"""
- _get_thread_id = nmlib.notmuch_message_get_thread_id
- _get_thread_id.restype = c_char_p
-
- """notmuch_message_get_replies"""
- _get_replies = nmlib.notmuch_message_get_replies
- _get_replies.restype = c_void_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):
- """Returns 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_thread_id(self):
- """Returns the thread ID
-
- The returned string belongs to 'message' will only be valid for as
- long as the message is valid.
-
- This function will not return None since Notmuch ensures that every
- message belongs to a single thread.
-
- :returns: String with a thread 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_thread_id (self._msg);
-
- def get_replies(self):
- """Gets all direct replies to this message as :class:`Messages` iterator
-
- .. note:: This call only makes sense if 'message' was
- ultimately obtained from a :class:`Thread` object, (such as
- by coming directly from the result of calling
- :meth:`Thread.get_toplevel_messages` or by any number of
- subsequent calls to :meth:`get_replies`). If this message was
- obtained through some non-thread means, (such as by a call
- to :meth:`Query.search_messages`), then this function will
- return `None`.
-
- :returns: :class:`Messages` or `None` if there are no replies to
- this message.
- :exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
- is not initialized.
- """
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
-
- msgs_p = Message._get_replies(self._msg);
-
- if msgs_p is None:
- return None
-
- return Messages(msgs_p,self)
-
- 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
- STATUS.TAG_TOO_LONG
- The length of 'tag' is too long
- (exceeds 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_remove_tag(self._msg, tag)
-
- if STATUS.SUCCESS == status:
- # return on success
- return status
-
- raise NotmuchError(status)
-
- def remove_all_tags(self):
- """Removes all tags from the given message.
-
- See :meth:`freeze` for an example showing how to safely
- replace tag values.
-
- :returns: STATUS.SUCCESS if the tags were successfully removed.
- Raises an exception otherwise.
- :exception: :exc:`NotmuchError`. They have the following meaning:
-
- 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_all_tags(self._msg)
-
- if STATUS.SUCCESS == status:
- # return on success
- return status
-
- raise NotmuchError(status)
-
- def freeze(self):
- """Freezes the current state of 'message' within the database
-
- This means that changes to the message state, (via :meth:`add_tag`,
- :meth:`remove_tag`, and :meth:`remove_all_tags`), will not be
- committed to the database until the message is :meth:`thaw`ed.
-
- Multiple calls to freeze/thaw are valid and these calls will
- "stack". That is there must be as many calls to thaw as to freeze
- before a message is actually thawed.
-
- The ability to do freeze/thaw allows for safe transactions to
- change tag values. For example, explicitly setting a message to
- have a given set of tags might look like this::
-
- msg.freeze()
- msg.remove_all_tags()
- for tag in new_tags:
- msg.add_tag(tag)
- msg.thaw()
-
- With freeze/thaw used like this, the message in the database is
- guaranteed to have either the full set of original tag values, or
- the full set of new tag values, but nothing in between.
-
- Imagine the example above without freeze/thaw and the operation
- somehow getting interrupted. This could result in the message being
- left with no tags if the interruption happened after
- :meth:`remove_all_tags` but before :meth:`add_tag`.
-
- :returns: STATUS.SUCCESS if the message was successfully frozen.
- Raises an exception otherwise.
- :exception: :exc:`NotmuchError`. They have the following meaning:
-
- 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_freeze(self._msg)
-
- if STATUS.SUCCESS == status:
- # return on success
- return status
-
- raise NotmuchError(status)
-
- def thaw(self):
- """Thaws the current 'message'
-
- Thaw the current 'message', synchronizing any changes that may have
- occurred while 'message' was frozen into the notmuch database.
-
- See :meth:`freeze` for an example of how to use this
- function to safely provide tag changes.
-
- Multiple calls to freeze/thaw are valid and these calls with
- "stack". That is there must be as many calls to thaw as to freeze
- before a message is actually thawed.
-
- :returns: STATUS.SUCCESS if the message was successfully frozen.
- Raises an exception otherwise.
- :exception: :exc:`NotmuchError`. They have the following meaning:
-
- STATUS.UNBALANCED_FREEZE_THAW
- An attempt was made to thaw an unfrozen message.
- That is, there have been an unbalanced number of calls
- to :meth:`freeze` and :meth:`thaw`.
- STATUS.NOT_INITIALIZED
- The message has not been initialized.
- """
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
-
- status = nmlib.notmuch_message_thaw(self._msg)
-
- 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())
- replies = self.get_replies()
- msg['replies'] = len(replies) if replies is not None else -1
- return "%(from)s (%(date)s) (%(tags)s) (%(replies)d) replies" % (msg)
-
- def format_as_text(self):
- """Output like notmuch show (Not implemented)"""
- return str(self)
-