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