Ejemplo n.º 1
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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
Ejemplo n.º 2
0
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
Ejemplo n.º 3
0
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
Ejemplo n.º 4
0
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
Ejemplo n.º 5
0
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]
Ejemplo n.º 6
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def get_plugin_names(env=None):
    if env is None:
        env = 'pca'
    e = PluginGlobals.env(env)
    return list(e.plugin_registry.keys())
Ejemplo n.º 7
0
    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'):