Created
August 17, 2014 19:48
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Load all module from path
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import os | |
import sys | |
import importlib | |
import inspect | |
import logging | |
def load_module(module_path, filename): | |
""" returns the module if filename is a module else None """ | |
if filename.endswith('.py'): | |
module = filename[:-3] | |
elif os.path.exists(os.path.join(module_path, filename, '__init__.py')): | |
module = filename | |
else: | |
return None | |
try: | |
return importlib.import_module(module) | |
except: | |
logging.exception('Loading %s failed.' % module) | |
return None | |
class PluginManager(object): | |
def __init__(self): | |
self.modules = {} | |
self.classes = {} | |
def add_path(self, module_path): | |
sys.path.append(module_path) | |
for filename in os.listdir(module_path): | |
module = load_module(module_path, filename) | |
if module: | |
self.modules[module.__name__] = module | |
self._extract_classes(module) | |
sys.path.remove(module_path) | |
def _extract_classes(self, module): | |
for name in dir(module): | |
obj = getattr(module, name) | |
if inspect.isclass(obj): | |
if hasattr(obj, '_VERSION'): | |
version = getattr(obj, '_VERSION') | |
logging.info("Found %s.%s %s" % (module.__name__, name, version)) | |
self.classes[name] = obj | |
logging.getLogger().level = logging.INFO | |
plugins = PluginManager() | |
plugins.add_path('/home/test/multitool') |
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