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_uint64
+from cnotmuch.globals import nmlib, STATUS, NotmuchError, Enum
+import logging
+from datetime import date
class Database(object):
""" Wrapper around a 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.
"""
- #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"""
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):
Do note that as soon as we tear down this object, all derived
threads, and messages will be freed as well.
"""
+ # constants
+ SORT_OLDEST_FIRST = 0
+ SORT_NEWEST_FIRST = 1
+ SORT_MESSAGE_ID = 2
+
+ """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):
- pass
+ """TODO: document"""
+ self._db = None
+ self._query = None
+ self.create(db, querystr)
+
+ def create(self, db, querystr):
+ """db is a Database() and querystr a string
+
+ raises NotmuchError STATUS.NOT_INITIALIZED if db is not inited and
+ 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):
+ """notmuch_query_set_sort
+
+ :param sort: one of Query.SORT_OLDEST_FIRST|SORT_NEWEST_FIRST|SORT_MESSAGE_ID
+ :returns: Nothing, but raises NotmuchError if query is not inited
+ """
+ if self._query is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+
+ nmlib.notmuch_query_set_sort(self._query, sort)
+
+ def search_messages(self):
+ """notmuch_query_search_messages
+ Returns Messages() or a raises a NotmuchError()
+ """
+ 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):
_get = nmlib.notmuch_tags_get
_get.restype = c_char_p
- def __init__(self, tags_p, db=None):
+ def __init__(self, tags_p, parent=None):
"""
msg_p is a pointer to an notmuch_message_t Structure. If it is None,
we will raise an NotmuchError(STATUS.NULL_POINTER).
- Is passed the db these tags are derived from, and saves a
+ Is passed the parent 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.
NotmuchError(STATUS.NULL_POINTER)
self._tags = tags_p
- self._db = db
- print "Inited Tags derived from %s" %(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):
- print("Freeing the Tags now")
- nmlib.notmuch_tags_destroy (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 __str__(self):
+ """str() of Tags() is a space separated list of tags
+
+ This iterates over the list of Tags and will therefore 'exhaust' Tags()
+ """
+ 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):
+ """Wrapper around notmuch_messages_t"""
+
+ #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):
+ """
+ msg_p is a pointer to an notmuch_messages_t Structure. If it is None,
+ we will raise an NotmuchError(STATUS.NULL_POINTER).
+
+ If passed the parent query this Messages() is derived from, it saves a
+ reference to it, so we can automatically delete the parent query object
+ once all derived objects are dead.
+
+ Messages() provides an iterator over all contained Message()s.
+ However, you will only be able to iterate over it once,
+ because the underlying C function only allows iterating once.
+ #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 Tags() belonging to the messages
+
+ Do note that collect_tags will iterate over the messages and
+ therefore will not allow further iterationsl
+ Raises NotmuchError(STATUS.NOT_INITIALIZED) if not inited
+ """
+ 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):
+ """ 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):
"""Wrapper around notmuch_message_t"""
_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):
"""
msg_p is a pointer to an notmuch_message_t Structure. If it is None,
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
- print "Inited Message derived from %s" %(str(parent))
+ logging.debug("Inited Message derived from %s" %(str(parent)))
def get_message_id(self):
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".
+ Raises NotmuchError(STATUS.NOT_INITIALIZED) if not inited
+ """
+ if self._msg is None:
+ raise NotmuchError(STATUS.NOT_INITIALIZED)
+ return Message._get_date(self._msg)
+
+ def get_header(self, header):
+ """ TODO document me"""
+ 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 msg filename
raise NotmuchError(STATUS.NULL_POINTER)
return Tags(tags_p, self)
+ 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 """
+ return str(self)
+
def __del__(self):
"""Close and free the notmuch Message"""
if self._msg is not None:
- print("Freeing the Message now")
+ logging.debug("Freeing the Message now")
nmlib.notmuch_message_destroy (self._msg)
projects / notmuch / blobdiff