Add signals for VCS operations

Fixes #803
Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/models/subproject.py

@@ -38,6 +38,7 @@ from weblate.trans.filelock import FileLock
 from weblate.trans.util import (
     is_repo_link, get_site_url, cleanup_repo_url, get_clean_env, cleanup_path,
 )
+from weblate.trans.signals import vcs_post_push, vcs_post_update
 from weblate.trans.vcs import RepositoryException, VCS_REGISTRY, VCS_CHOICES
 from weblate.trans.models.translation import Translation
 from weblate.trans.validators import (
@@ -693,6 +694,7 @@ class SubProject(models.Model, PercentMixin, URLMixin, PathMixin):
 
         # run post update hook
         self.run_hook(self.post_update_script)
+        vcs_post_update.send(sender=self.__class__, subproject=self)
 
         # create translation objects for all files
         self.create_translations(request=request)
@@ -751,6 +753,7 @@ class SubProject(models.Model, PercentMixin, URLMixin, PathMixin):
             )
 
             self.run_hook(self.post_push_script)
+            vcs_post_push.send(sender=self.__class__, subproject=self)
 
             return True
         except RepositoryException as error:

weblate/trans/models/translation.py

@@ -38,6 +38,7 @@ from weblate.trans.formats import AutoFormat, StringIOMode
 from weblate.trans.checks import CHECKS
 from weblate.trans.models.unit import Unit
 from weblate.trans.models.unitdata import Suggestion
+from weblate.trans.signals import vcs_pre_commit, vcs_post_commit
 from weblate.trans.util import (
     get_site_url, translation_percent, split_plural,
 )
@@ -755,6 +756,7 @@ class Translation(models.Model, URLMixin, PercentMixin, LoggerMixin):
 
         # Pre commit hook
         self.subproject.run_pre_commit_script(self.get_filename())
+        vcs_pre_commit.send(sender=self.__class__, translation=self)
 
         # Create list of files to commit
         files = [self.filename]
@@ -776,6 +778,7 @@ class Translation(models.Model, URLMixin, PercentMixin, LoggerMixin):
 
         # Post commit hook
         self.subproject.run_post_commit_script(self.get_filename())
+        vcs_post_commit.send(sender=self.__class__, translation=self)
 
         # Optionally store updated hash
         if sync:

weblate/trans/signals.py

+# -*- coding: utf-8 -*-
+#
+# Copyright © 2012 - 2015 Michal Čihař <michal@cihar.com>
+#
+# This file is part of Weblate <http://weblate.org/>
+#
+# 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/>.
+#
+"""Custom Weblate signals"""
+
+from django.dispatch import Signal
+
+vcs_post_push = Signal(providing_args=['subproject'])
+vcs_post_update = Signal(providing_args=['subproject'])
+vcs_pre_commit = Signal(providing_args=['translation'])
+vcs_post_commit = Signal(providing_args=['translation'])