docker-offlineimap/offlineimap/virtual_imaplib2.py
Nicolas Sebrecht fd0198027a --info displays the imaplib2 version and whether it's the bundled or system one
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
2016-06-04 15:23:53 +02:00

56 lines
2.0 KiB
Python

# Copyright (C) 2016-2016 Nicolas Sebrecht & contributors
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
The virtual imaplib2 takes care to import the correct imaplib2 library. Any
internal use of imaplib2 everywhere else in offlineimap must be done through
this virtual_imaplib2 or we might go into troubles.
"""
DESC = None
_SUPPORTED_RELEASE = 2
_SUPPORTED_REVISION = 53
try:
# Try any imaplib2 in PYTHONPATH first. This allows both maintainers of
# distributions and developers to not work with the bundled imaplib2.
from imaplib2 import *
import imaplib2 as imaplib
if (int(imaplib.__release__) < _SUPPORTED_RELEASE or
int(imaplib.__revision__) < _SUPPORTED_REVISION):
raise ImportError("The provided imaplib2 version '%s' is not supported"%
imaplib.__version__)
DESC = "system"
except (ImportError, NameError) as e:
try:
from offlineimap.bundled_imaplib2 import *
import offlineimap.bundled_imaplib2 as imaplib
DESC = "bundled"
except:
print("Error while trying to import system imaplib2: %s"% e)
raise
# We should really get those literals exposed by upstream. Same goes for
# __version__, __release__ and __revision__.
InternalDate = imaplib.InternalDate
Mon2num = imaplib.Mon2num
MonthNames = imaplib.MonthNames
__version__ = imaplib.__version__