from ctypes import c_char_p, c_long, c_uint, c_int
from datetime import date
-from notmuch.globals import (nmlib, STATUS, NotmuchError, Enum, _str,
- NotmuchTagsP, NotmuchMessagesP, NotmuchMessageP, NotmuchFilenamesP)
+from notmuch.globals import (
+ nmlib,
+ Enum,
+ _str,
+ Python3StringMixIn,
+ STATUS,
+ NotmuchError,
+ NullPointerError,
+ NotInitializedError,
+ NotmuchTagsP,
+ NotmuchMessageP,
+ NotmuchMessagesP,
+ NotmuchFilenamesP,
+)
from notmuch.tag import Tags
from notmuch.filename import Filenames
import sys
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. If you need to
+ :exc:`NotInitializedError`. If you need to
re-iterate over a list of messages you will need to retrieve a new
:class:`Messages` object or cache your :class:`Message`\s in a list
via::
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`.
+ valid, we will raise an :exc:`NullPointerError` 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
:TODO: Make the iterator work more than once and cache the tags in
the Python object.(?)
"""
- if msgs_p is None:
- raise NotmuchError(STATUS.NULL_POINTER)
+ if not msgs_p:
+ raise NullPointerError()
self._msgs = msgs_p
#store parent, so we keep them alive as long as self is alive
"""Return the unique :class:`Tags` in the contained messages
:returns: :class:`Tags`
- :exceptions: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if not init'ed
+ :exceptions: :exc:`NotInitializedError` if not init'ed
.. 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)
+ if not self._msgs:
+ raise NotInitializedError()
# collect all tags (returns NULL on error)
tags_p = Messages._collect_tags(self._msgs)
self._msgs = None
if tags_p == None:
- raise NotmuchError(STATUS.NULL_POINTER)
+ raise NullPointerError()
return Tags(tags_p, self)
def __iter__(self):
_move_to_next.restype = None
def __next__(self):
- if self._msgs is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msgs:
+ raise NotInitializedError()
if not self._valid(self._msgs):
self._msgs = None
if self._msgs is not None:
self._destroy(self._msgs)
- def print_messages(self, format, indent=0, entire_thread=False):
- """Outputs messages as needed for 'notmuch show' to sys.stdout
+ def format_messages(self, format, indent=0, entire_thread=False):
+ """Formats messages as needed for 'notmuch show'.
:param format: A string of either 'text' or 'json'.
:param indent: A number indicating the reply depth of these messages.
:param entire_thread: A bool, indicating whether we want to output
whole threads or only the matching messages.
+ :return: a list of lines
"""
+ result = list()
+
if format.lower() == "text":
set_start = ""
set_end = ""
first_set = True
- sys.stdout.write(set_start)
+ result.append(set_start)
# iterate through all toplevel messages in this thread
for msg in self:
# if not msg:
# break
if not first_set:
- sys.stdout.write(set_sep)
+ result.append(set_sep)
first_set = False
- sys.stdout.write(set_start)
+ result.append(set_start)
match = msg.is_match()
next_indent = indent
if (match or entire_thread):
if format.lower() == "text":
- sys.stdout.write(msg.format_message_as_text(indent))
+ result.append(msg.format_message_as_text(indent))
else:
- sys.stdout.write(msg.format_message_as_json(indent))
+ result.append(msg.format_message_as_json(indent))
next_indent = indent + 1
# get replies and print them also out (if there are any)
- replies = msg.get_replies()
- if not replies is None:
- sys.stdout.write(set_sep)
- replies.print_messages(format, next_indent, entire_thread)
+ replies = msg.get_replies().format_messages(format, next_indent, entire_thread)
+ if replies:
+ result.append(set_sep)
+ result.extend(replies)
+
+ result.append(set_end)
+ result.append(set_end)
+
+ return result
+
+ def print_messages(self, format, indent=0, entire_thread=False, handle=sys.stdout):
+ """Outputs messages as needed for 'notmuch show' to a file like object.
+
+ :param format: A string of either 'text' or 'json'.
+ :param handle: A file like object to print to (default is sys.stdout).
+ :param indent: A number indicating the reply depth of these messages.
+ :param entire_thread: A bool, indicating whether we want to output
+ whole threads or only the matching messages.
+ """
+ handle.write(''.join(self.format_messages(format, indent, entire_thread)))
+
- sys.stdout.write(set_end)
- sys.stdout.write(set_end)
+class EmptyMessagesResult(Messages):
+ def __init__(self, parent):
+ self._msgs = None
+ self._parent = parent
+
+ def __next__(self):
+ raise StopIteration()
+ next = __next__
-class Message(object):
+class Message(Python3StringMixIn):
"""Represents a single Email message
Technically, this wraps the underlying *notmuch_message_t*
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.
+ Structure. If it is `None`, we will raise an
+ :exc:`NullPointerError`.
: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:
- raise NotmuchError(STATUS.NULL_POINTER)
+ if not msg_p:
+ raise NullPointerError()
self._msg = msg_p
#keep reference to parent, so we keep it alive
self._parent = parent
"""Returns the message ID
:returns: String with a message ID
- :exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
+ :raises: :exc:`NotInitializedError` if the message
is not initialized.
"""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
- return Message._get_message_id(self._msg)
+ if not self._msg:
+ raise NotInitializedError()
+ return Message._get_message_id(self._msg).decode('utf-8', 'ignore')
def get_thread_id(self):
"""Returns the thread ID
message belongs to a single thread.
:returns: String with a thread ID
- :exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
+ :raises: :exc:`NotInitializedError` if the message
is not initialized.
"""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msg:
+ raise NotInitializedError()
- return Message._get_thread_id(self._msg)
+ return Message._get_thread_id(self._msg).decode('utf-8', 'ignore')
def get_replies(self):
"""Gets all direct replies to this message as :class:`Messages`
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`.
+ an empty Messages iterator.
- :returns: :class:`Messages` or `None` if there are no replies to
- this message.
- :exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
+ :returns: :class:`Messages`.
+ :raises: :exc:`NotInitializedError` if the message
is not initialized.
"""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msg:
+ raise NotInitializedError()
msgs_p = Message._get_replies(self._msg)
- if msgs_p is None:
- return None
+ if not msgs_p:
+ return EmptyMessagesResult(self)
return Messages(msgs_p, self)
:returns: A time_t timestamp.
:rtype: c_unit64
- :exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
+ :raises: :exc:`NotInitializedError` if the message
is not initialized.
"""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msg:
+ raise NotInitializedError()
return Message._get_date(self._msg)
def get_header(self, header):
It is not case-sensitive.
: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 any error occured.
+ :raises: :exc:`NotInitializedError` if the message is not
+ initialized
+ :raises: :exc:`NullPointerError` if any error occured
"""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msg:
+ raise NotInitializedError()
#Returns NULL if any error occurs.
- header = Message._get_header(self._msg, header)
+ header = Message._get_header(self._msg, _str(header))
if header == None:
- raise NotmuchError(STATUS.NULL_POINTER)
- return header.decode('UTF-8', errors='ignore')
+ raise NullPointerError()
+ return header.decode('UTF-8', 'ignore')
def get_filename(self):
"""Returns 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
+ :raises: :exc:`NotInitializedError` if the message
is not initialized.
"""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
- return Message._get_filename(self._msg)
+ if not self._msg:
+ raise NotInitializedError()
+ return Message._get_filename(self._msg).decode('utf-8', 'ignore')
def get_filenames(self):
"""Get all filenames for the email corresponding to 'message'
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:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msg:
+ raise NotInitializedError()
files_p = Message._get_filenames(self._msg)
:param flag: One of the :attr:`Message.FLAG` values (currently only
*Message.FLAG.MATCH*
:returns: An unsigned int (0/1), indicating whether the flag is set.
- :exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
+ :raises: :exc:`NotInitializedError` if the message
is not initialized.
"""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msg:
+ raise NotInitializedError()
return Message._get_flag(self._msg, flag)
def set_flag(self, flag, value):
*Message.FLAG.MATCH*
:param value: A bool indicating whether to set or unset the flag.
- :returns: Nothing
- :exception: :exc:`NotmuchError` STATUS.NOT_INITIALIZED if the message
+ :raises: :exc:`NotInitializedError` if the message
is not initialized.
"""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msg:
+ raise NotInitializedError()
self._set_flag(self._msg, flag, value)
def get_tags(self):
"""Returns the message tags
:returns: A :class:`Tags` iterator.
- :exception: :exc:`NotmuchError`
-
- * STATUS.NOT_INITIALIZED if the message
- is not initialized.
- * STATUS.NULL_POINTER, on error
+ :raises: :exc:`NotInitializedError` if the message is not
+ initialized
+ :raises: :exc:`NullPointerError` if any error occured
"""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msg:
+ raise NotInitializedError()
tags_p = Message._get_tags(self._msg)
if tags_p == None:
- raise NotmuchError(STATUS.NULL_POINTER)
+ raise NullPointerError()
return Tags(tags_p, self)
_add_tag = nmlib.notmuch_message_add_tag
: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)
+ :raises: :exc:`NullPointerError` if the `tag` argument is NULL
+ :raises: :exc:`TagTooLongError` if the length of `tag` exceeds
+ Message.NOTMUCH_TAG_MAX)
+ :raises: :exc:`ReadOnlyDatabaseError` if the database was opened
+ in read-only mode so message cannot be modified
+ :raises: :exc:`NotInitializedError` if message has not been
+ initialized
+ """
+ if not self._msg:
+ raise NotInitializedError()
status = self._add_tag(self._msg, _str(tag))
: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.
+ :raises: :exc:`NullPointerError` if the `tag` argument is NULL
+ :raises: :exc:`TagTooLongError` if the length of `tag` exceeds
+ Message.NOTMUCH_TAG_MAX)
+ :raises: :exc:`ReadOnlyDatabaseError` if the database was opened
+ in read-only mode so message cannot be modified
+ :raises: :exc:`NotInitializedError` if message has not been
+ initialized
"""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msg:
+ raise NotInitializedError()
status = self._remove_tag(self._msg, _str(tag))
# bail out on error
: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.
+ :raises: :exc:`ReadOnlyDatabaseError` if the database was opened
+ in read-only mode so message cannot be modified
+ :raises: :exc:`NotInitializedError` if message has not been
+ initialized
"""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msg:
+ raise NotInitializedError()
status = self._remove_all_tags(self._msg)
: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.
+ :raises: :exc:`ReadOnlyDatabaseError` if the database was opened
+ in read-only mode so message cannot be modified
+ :raises: :exc:`NotInitializedError` if message has not been
+ initialized
"""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msg:
+ raise NotInitializedError()
status = self._freeze(self._msg)
: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.
+ :raises: :exc:`UnbalancedFreezeThawError` if 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`.
+ :raises: :exc:`NotInitializedError` if message has not been
+ initialized
"""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msg:
+ raise NotInitializedError()
status = self._thaw(self._msg)
:returns: a :class:`STATUS` value. In short, you want to see
notmuch.STATUS.SUCCESS here. See there for details."""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msg:
+ raise NotInitializedError()
return Message._tags_to_maildir_flags(self._msg)
def maildir_flags_to_tags(self):
:returns: a :class:`STATUS`. In short, you want to see
notmuch.STATUS.SUCCESS here. See there for details."""
- if self._msg is None:
- raise NotmuchError(STATUS.NOT_INITIALIZED)
+ if not self._msg:
+ raise NotInitializedError()
return Message._tags_to_maildir_flags(self._msg)
def __repr__(self):
"""Represent a Message() object by str()"""
return self.__str__()
- def __str__(self):
- return unicode(self).encode('utf-8')
-
def __unicode__(self):
format = "%s (%s) (%s)"
return format % (self.get_header('from'),
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)