From: W. Trevor King <wking@drexel.edu>
Date: Thu, 16 Feb 2012 12:50:22 +0000 (-0500)
Subject: Raise errors in Project if the configured backend could not be loaded.
X-Git-Tag: v0.3~14
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=d38bea6752afd804715167164296737d565a7d20;p=update-copyright.git

Raise errors in Project if the configured backend could not be loaded.
---

diff --git a/update_copyright/project.py b/update_copyright/project.py
index e9de6cc..18280b1 100644
--- a/update_copyright/project.py
+++ b/update_copyright/project.py
@@ -103,8 +103,12 @@ class Project (object):
             if vcs == 'Git':
                 self._vcs = _GitBackend()
             elif vcs == 'Bazaar':
+                if _BazaarBackend is None:
+                    raise _bazaar_import_error
                 self._vcs = _BazaarBackend()
             elif vcs == 'Mercurial':
+                if _MercurialBackend is None:
+                    raise _mercurial_import_error
                 self._vcs = _MercurialBackend()
             else:
                 raise NotImplementedError('vcs: {}'.format(vcs))