def get_service_instance(class_, env='microdrop.managed'):
e = PluginGlobals.env(env)
for service in e.services:
if isinstance(service, class_):
# A plugin of this type is registered
return service
return None
def get_service_instance_by_name(name, env='microdrop.managed'):
e = PluginGlobals.env(env)
plugins = [p for i, p in enumerate(e.services) if name == p.name]
if plugins:
return plugins[0]
else:
raise KeyError, 'No plugin registered with name: %s' % name
def get_service_names(env='microdrop.managed'):
e = PluginGlobals.env(env)
service_names = []
for name in get_plugin_names(env):
plugin_class = e.plugin_registry[name]
service = get_service_instance(plugin_class, env=env)
service_names.append(service.name)
return service_names
def get_service_instance_by_package_name(name, env='microdrop.managed'):
e = PluginGlobals.env(env)
plugins = [p for i, p in enumerate(e.services) \
if name == get_plugin_package_name(p.__class__.__module__)]
if plugins:
return plugins[0]
else:
raise KeyError, 'No plugin registered with package name: %s' % name
def get_service_class(name, env='microdrop.managed'):
e = PluginGlobals.env(env)
if name not in e.plugin_registry:
raise KeyError, 'No plugin registered with name: %s' % name
return e.plugin_registry[name]
def get_plugin_names(env=None):
if env is None:
env = 'pca'
e = PluginGlobals.env(env)
return list(e.plugin_registry.keys())
if plugins_dir.parent.abspath() not in sys.path:
sys.path.insert(0, plugins_dir.parent.abspath())
for package in plugins_dir.dirs():
try:
logging.info('\t %s' % package.abspath())
import_statement = 'import %s.%s' % \
(plugins_dir.name, package.name)
logging.debug(import_statement)
exec(import_statement)
except Exception, why:
logging.info(''.join(traceback.format_exc()))
logging.error('Error loading %s plugin.' % package.name)
# Create an instance of each of the plugins, but set it to disabled
e = PluginGlobals.env('microdrop.managed')
for class_ in e.plugin_registry.values():
service = class_()
service.disable()
def post_install(install_path):
# __NB__ The `cwd` directory ["is not considered when searching the
# executable, so you can't specify the program's path relative to
# `cwd`."][cwd]. Therefore, we manually change to the directory
# containing the hook script and change back to the original working
# directory when we're done.
#
# [cwd]: https://docs.python.org/2/library/subprocess.html#popen-constructor
cwd = os.getcwd()
if platform.system() in ('Linux', 'Darwin'):