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Restructured plugin validity check

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This commit is contained in:
Joel Collins 2018-12-11 14:34:36 +00:00
parent 9a2c585046
commit 14a4e3d909
1 changed files with 13 additions and 12 deletions
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25
openflexure_microscope/plugins/loader.py
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@ -91,22 +91,23 @@ class PluginMount(object):
Args:
plugin_module: A loaded module to be attached. Module can be loaded using :py:meth:`openflexure_microscope.plugins.load_plugin`
"""
if not hasattr(plugin_module, 'PLUGINS') or not isinstance(plugin_module.PLUGINS, dict):
raise Exception("No falid PLUGINS dictionary found in {}".format(plugin_module))
if hasattr(plugin_module, 'PLUGINS') and isinstance(plugin_module.PLUGINS, dict):
for plugin_name, plugin_class in plugin_module.PLUGINS.items():
for plugin_name, plugin_class in plugin_module.PLUGINS.items():
plugin_object = plugin_class()
if hasattr(self, plugin_name):
warnings.warn("A plugin named {} has already been loaded. Skipping {}.".format(plugin_name, plugin_class))
else:
setattr(self, plugin_name, plugin_object)
plugin_object = plugin_class()
if hasattr(self, plugin_name):
warnings.warn("A plugin named {} has already been loaded. Skipping {}.".format(plugin_name, plugin_class))
else:
setattr(self, plugin_name, plugin_object)
# Grant plugin access to the hardware
assert(isinstance(plugin_object, MicroscopePlugin))
plugin_object.microscope = self.parent
# Grant plugin access to the hardware
assert(isinstance(plugin_object, MicroscopePlugin))
plugin_object.microscope = self.parent
print("Adding plugin: {}".format(plugin_name))
print("Adding plugin: {}".format(plugin_name))
else:
warnings.warn("No valid PLUGINS dictionary found in {}".format(plugin_module))
class MicroscopePlugin():