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# Copyright (C) 2009 Lars Wirzenius <liw@liw.fi>
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
# This is necessary for running under Python 2.5, which we need to
# do on Debian, for now.
from __future__ import with_statement
import datetime
import hashlib
import os
import subprocess
import gtk
import pyexiv2
import dimbola
class ChecksumResult(dimbola.BackgroundStatus):
def __init__(self, action, description, photoid, sha1):
dimbola.BackgroundStatus.__init__(self, action, description)
self.photoid = photoid
self.sha1 = sha1
def process_result(self, mwc):
with mwc.db:
mwc.db.set_sha1(self.photoid, self.sha1)
class ComputeChecksumJob(dimbola.BackgroundJob):
'''Compute checksum for a specific photo.'''
def __init__(self, photoid, pathname):
self.photoid = photoid
self.pathname = pathname
def run(self):
return ChecksumResult('stop', 'Checksum for %s' % self.pathname,
self.photoid, dimbola.sha1(self.pathname))
class ComputeChecksums(dimbola.Plugin):
'''Compute checksums for original photo files.'''
def __init__(self, mwc):
self.mwc = mwc
def enable(self):
self.mwc.add_to_menu('file_menu', 'missing_checksums_menuitem',
'Compute missing checksums')
def disable(self):
self.mwc.remove_from_menu('file_menu', 'missing_checksums_menuitem')
def on_missing_checksums_menuitem_activate(self, *args):
with self.mwc.db:
photoids = self.mwc.db.find_photos_without_checksum()
for photoid in photoids:
pathname = self.mwc.db.get_photo_pathname(photoid)
self.mwc.add_bgjob(ComputeChecksumJob(photoid, pathname))
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