1 files changed, 78 insertions, 0 deletions
diff --git a/trunk/dimbola/plugins/checksum_plugin.py b/trunk/dimbola/plugins/checksum_plugin.py
new file mode 100644
index 0000000..e58abf1
--- /dev/null
+++ b/trunk/dimbola/plugins/checksum_plugin.py
@@ -0,0 +1,78 @@
+# 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))
+