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mirror of https://github.com/inventree/InvenTree.git synced 2025-04-29 20:16:44 +00:00
2021-09-20 07:24:40 +02:00

102 lines
2.4 KiB
Python

# -*- coding: utf-8 -*-
import inspect
import importlib
import pkgutil
import logging
# Action plugins
import plugins.action as action
from plugins.action.action import ActionPlugin
import plugins.integration as integration
from plugins.integration.integration import IntegrationPlugin
logger = logging.getLogger("inventree")
def iter_namespace(pkg):
return pkgutil.iter_modules(pkg.__path__, pkg.__name__ + ".")
def get_modules(pkg):
# Return all modules in a given package
return [importlib.import_module(name) for finder, name, ispkg in iter_namespace(pkg)]
def get_classes(module):
# Return all classes in a given module
return inspect.getmembers(module, inspect.isclass)
def get_plugins(pkg, baseclass):
"""
Return a list of all modules under a given package.
- Modules must be a subclass of the provided 'baseclass'
- Modules must have a non-empty PLUGIN_NAME parameter
"""
plugins = []
modules = get_modules(pkg)
# Iterate through each module in the package
for mod in modules:
# Iterate through each class in the module
for item in get_classes(mod):
plugin = item[1]
if issubclass(plugin, baseclass) and plugin.PLUGIN_NAME:
plugins.append(plugin)
return plugins
def load_plugins(name: str, module, cls):
"""general function to load a plugin class
:param name: name of the plugin for logs
:type name: str
:param module: module from which the plugins should be loaded
:return: class of the to-be-loaded plugin
"""
logger.debug(f"Loading {name} plugins")
plugins = get_plugins(module, cls)
if len(plugins) > 0:
logger.info(f"Discovered {len(plugins)} {name} plugins:")
for ap in plugins:
logger.debug(" - {ap}".format(ap=ap.PLUGIN_NAME))
return plugins
def load_action_plugins():
"""
Return a list of all registered action plugins
"""
return load_plugins('action', action, ActionPlugin)
def load_integration_plugins():
"""
Return a list of all registered integration plugins
"""
return load_plugins('integration', integration, IntegrationPlugin)
def load_barcode_plugins():
"""
Return a list of all registered barcode plugins
"""
from barcodes import plugins as BarcodePlugins
from barcodes.barcode import BarcodePlugin
return load_plugins('barcode', BarcodePlugins, BarcodePlugin)