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"""
This file is part of notmuch.
Notmuch is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
Notmuch is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with notmuch. If not, see <http://www.gnu.org/licenses/>.
Copyright 2010 Sebastian Spaeth <Sebastian@SSpaeth.de>'
"""
from ctypes import CDLL, c_char_p, c_int
from ctypes.util import find_library
#-----------------------------------------------------------------------------
#package-global instance of the notmuch library
try:
nmlib = CDLL("libnotmuch.so.1")
except:
raise ImportError("Could not find shared 'notmuch' library.")
#-----------------------------------------------------------------------------
class Enum(object):
"""Provides ENUMS as "code=Enum(['a','b','c'])" where code.a=0 etc..."""
def __init__(self, names):
for number, name in enumerate(names):
setattr(self, name, number)
#-----------------------------------------------------------------------------
class Status(Enum):
"""Enum with a string representation of a notmuch_status_t value."""
__name__="foo"
_status2str = nmlib.notmuch_status_to_string
_status2str.restype = c_char_p
_status2str.argtypes = [c_int]
def __init__(self, statuslist):
"""It is initialized with a list of strings that are available as
Status().string1 - Status().stringn attributes.
"""
super(Status, self).__init__(statuslist)
@classmethod
def status2str(self, status):
"""Get a string representation of a notmuch_status_t value."""
# define strings for custom error messages
if status == STATUS.NOT_INITIALIZED:
return "Operation on uninitialized object impossible."
return str(Status._status2str(status))
STATUS = Status(['SUCCESS',
'OUT_OF_MEMORY',
'READ_ONLY_DATABASE',
'XAPIAN_EXCEPTION',
'FILE_ERROR',
'FILE_NOT_EMAIL',
'DUPLICATE_MESSAGE_ID',
'NULL_POINTER',
'TAG_TOO_LONG',
'UNBALANCED_FREEZE_THAW',
'NOT_INITIALIZED'])
class NotmuchError(Exception):
def __init__(self, status=None, message=None):
"""Is initiated with a (notmuch.STATUS[,message=None])"""
super(NotmuchError, self).__init__(message, status)
def __str__(self):
if self.args[0] is not None: return self.args[0]
else: return STATUS.status2str(self.args[1])
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