import sys
from myDevices.utils.config import Config
from myDevices.utils.logger import setInfo, info, error
from myDevices.plugins.manager import PLUGIN_FOLDER
if __name__ == '__main__':
# Run the code to disable a plugin in a script so it can be called via sudo
setInfo()
info(sys.argv)
if len(sys.argv) != 3:
error('Plugin not disabled, invalid arguments')
sys.exit(1)
filename = sys.argv[1]
if filename.startswith(PLUGIN_FOLDER) and filename.endswith('.plugin'):
section = sys.argv[2]
config = Config(filename)
if section in config.sections():
config.set(section, 'enabled', 'false')
else:
error('Section \'{}\' not found in {}'.format(section, filename))
sys.exit(1)
else:
sys.exit(1)
def load_plugin_from_file(self, filename):
"""Loads a plugin from a specified plugin config file and adds it to the plugin list."""
try:
info('Loading plugin: {}'.format(filename))
loaded = []
config = Config(filename)
plugin_name = os.path.splitext(os.path.basename(filename))[0]
info('Sections: {}'.format(config.sections()))
inherited_from = set()
for section in config.sections():
inherit = config.get(section, 'inherit', None)
if inherit:
inherited_from.add(inherit)
for section in config.sections():
try:
enabled = config.get(section, 'enabled',
'true').lower() == 'true'
inherit = config.get(section, 'inherit', None)
if enabled or section in inherited_from:
plugin = {
'enabled': enabled,
'filename': filename,
'section': section,
'name': config.get(section, 'name', section),
}
try:
plugin['channel'] = config.get(section, 'channel')
plugin[
'id'] = plugin_name + ':' + plugin['channel']
except NoOptionError:
plugin['id'] = plugin_name + ':' + section
inherit_items = {}
if inherit in config.sections():
if inherit == section:
raise ValueError(
'Section \'{}\' cannot inherit from itself'
.format(section))
inherit_from = self.get_plugin(filename, inherit)
inherit_items = {
key: value
for key, value in inherit_from.items()
if key not in plugin.keys()
}
plugin.update(inherit_items)
elif inherit:
raise ValueError(
'Section \'{}\' cannot inherit from \'{}\'. Check spelling and section ordering.'
.format(section, inherit))
self.override_plugin_value(config, section, 'module',
plugin)
self.override_plugin_value(config, section, 'class',
plugin)
if 'init_args' not in plugin:
plugin['init_args'] = '{}'
self.override_plugin_value(config, section,
'init_args', plugin)
if not inherit_items or [
key for key in ('module', 'class', 'init_args')
if inherit_items[key] is not plugin[key]
]:
info('Creating instance of {} for {}'.format(
plugin['class'], plugin['name']))
folder = os.path.dirname(filename)
if folder not in sys.path:
sys.path.append(folder)
imported_module = importlib.import_module(
plugin['module'])
device_class = getattr(imported_module,
plugin['class'])
plugin['instance'] = device_class(
**json.loads(plugin['init_args']))
self.override_plugin_value(config, section, 'read',
plugin)
if 'read_args' not in plugin:
plugin['read_args'] = '{}'
self.override_plugin_value(config, section,
'read_args', plugin)
try:
self.override_plugin_value(config, section,
'write', plugin)
if 'write_args' not in plugin:
plugin['write_args'] = '{}'
self.override_plugin_value(config, section,
'write_args', plugin)
except:
pass
try:
self.override_plugin_value(config, section,
'set_function', plugin)
except:
pass
try:
self.override_plugin_value(config, section,
'register_callback',
plugin)
getattr(plugin['instance'],
plugin['register_callback'])(
lambda value, plugin=plugin: self.
data_changed(value, plugin))
except:
pass
try:
self.override_plugin_value(config, section,
'unregister_callback',
plugin)
except:
pass
self.plugins[plugin['id']] = plugin
loaded.append(section)
except Exception as e:
error(e)
except Exception as e:
error(e)
info('Loaded sections: {}'.format(loaded))