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protect PluginLoader._extra_dirs from appending None

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PluginLoader.add_directory() can receive None from, for example, 
Inventory.add_directory(self.basedir()) if host_list is a custom list.
None has no reasonable interpretation other than ignore it.
This commit is contained in:
Bowe Strickland 2013-01-23 13:55:12 -05:00
parent a117944d0f
commit 2b3d6d4545
1 changed files with 2 additions and 1 deletions
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3
lib/ansible/utils/plugins.py
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@ -70,7 +70,8 @@ class PluginLoader(object):
def add_directory(self, directory):
"""Adds an additional directory to the search path"""
self._extra_dirs.append(directory)
if directory is not None:
self._extra_dirs.append(directory)
def print_paths(self):
"""Returns a string suitable for printing of the search path"""