# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1500858118 25200
# Node ID 371731b555ecfd6c1cbcd63281e57374664ef52d
# Parent  eed19a80c00ea643ec45a0d27e8ae6e1e09e531d
plugins: Fix a crash bug when the plugins directory doesn't exist.

diff -r eed19a80c00e -r 371731b555ec piecrust/plugins/base.py
--- a/piecrust/plugins/base.py	Sun Jul 23 18:01:26 2017 -0700
+++ b/piecrust/plugins/base.py	Sun Jul 23 18:01:58 2017 -0700
@@ -117,7 +117,8 @@
         if to_install:
             for name in to_install:
                 plugin = self._loadPlugin(name)
-                self._plugins.append(plugin)
+                if plugin is not None:
+                    self._plugins.append(plugin)
 
         for plugin in self._plugins:
             plugin.initialize(self.app)
@@ -130,7 +131,7 @@
         except ImportError as ex:
             mod = None
 
-        if mod is None:
+        if mod is None and self.app.plugins_dir:
             # Import as a loose Python file from the plugins dir.
             pfile = os.path.join(self.app.plugins_dir, plugin_name + '.py')
             if os.path.isfile(pfile):