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Graceful error message for abstract base classes in PluginLoader

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This commit is contained in:
Toshio Kuratomi 2017-02-16 14:57:05 -08:00 committed by Brian Coca
parent 374af06cbf
commit c033e5111f
1 changed files with 12 additions and 3 deletions
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15
lib/ansible/plugins/__init__.py
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@ -31,7 +31,6 @@ import warnings
from collections import defaultdict
from ansible import constants as C
from ansible.compat.six import string_types
from ansible.module_utils._text import to_text
@ -370,7 +369,14 @@ class PluginLoader:
self._display_plugin_load(self.class_name, name, self._searched_paths, path,
found_in_cache=found_in_cache, class_only=class_only)
if not class_only:
obj = obj(*args, **kwargs)
try:
obj = obj(*args, **kwargs)
except TypeError as e:
if "abstract" in e.args[0]:
# Abstract Base Class. The found plugin file does not
# fully implement the defined interface.
return None
raise
return obj
@ -430,7 +436,10 @@ class PluginLoader:
self._display_plugin_load(self.class_name, name, self._searched_paths, path,
found_in_cache=found_in_cache, class_only=class_only)
if not class_only:
obj = obj(*args, **kwargs)
try:
obj = obj(*args, **kwargs)
except TypeError as e:
display.warning("Skipping plugin (%s) as it seems to be incomplete: %s" % (path, to_text(e)))
# set extra info on the module, in case we want it later
setattr(obj, '_original_path', path)