def test_start_calls_register_for_each_plugins_from_array(self):
plugin_class = Plugin
with patch.object(Plugin, 'register',
wraps=plugin_class.register) as register_wrap:
Plugin.start(self.working_plugins_list)
self.assertEqual(len(self.working_plugins_list),
register_wrap.call_count)
def uninstall(cls, args):
import lodel.plugin.plugins
from lodel.plugin.plugins import Plugin
if len(args.archive) > 0:
raise RuntimeError("Cannot uninstall plugin using -f --file \
options. Use -d --directory instead")
to_delete = dict() # will contain all pathes of plugins to delete
errors = dict()
# Uninstall by pathes
if len(args.directory) > 0:
# processing & checking -d --directory arguments
for path in args.directory:
apath = os.path.abspath(path)
# We assume plugins are in lodel/plugins
if not apath.startswith(lodel.plugins.PLUGINS_PATH):
errors[path] = "Not a subdir of %s"
errors[path] %= lodel.plugins.PLUGINS_PATH
continue
try:
pinfos = Plugin.dir_is_plugin(apath)
except Exception as e:
if not args.force:
errors[path] = e
continue
to_delete[path] = pinfos
# Uninstall by plugin's names
# We retrieve the path of the plugin from its name
if len(args.plugin_name) > 0:
# Processing -n --plugin-name arguments
plist = Plugin._discover(lodel.plugins.PLUGINS_PATH)
for pinfos in plist:
if pinfos['name'] in args.plugin_name:
to_delete[pinfos['path']] = pinfos
# Manage errors and exit if there is no force option
if len(errors) > 0:
msg = "Following errors detected before begining deletions :\n"
for path, errmsg in errors.items():
msg += "\t- For %s : %s" % (path, errmsg)
print(msg)
if not args.force:
exit(1)
print("Begining deletion :")
for path, pinfos in to_delete.items():
# shutil.rmtree(path)
print("rm -R %s" % path)
print("\t%s(%s) in %s deleted" % (
pinfos['name'], pinfos['version'], pinfos['path']))
def clean(cls, args):
import lodel.plugin.plugins
from lodel.plugin.plugins import Plugin
if len(args.archive) > 0:
raise RuntimeError("Cannot specify plugins to uninstall using \
-f --file option. You have to use -d --directory or -n --name")
if len(args.plugin_name) > 0:
names = args.plugin_name
else:
names = list(Plugin.discover().keys())
#_discover do not remove duplicated names
full_list = Plugin._discover(lodel.plugins.PLUGINS_PATH)
# Casting into a dict with list of plugins infos
pdict = dict()
for pinfos in full_list:
if pinfos['name'] in names:
if pinfos['name'] in pdict:
pdict[pinfos['name']].append(pinfos)
else:
pdict[pinfos['name']] = [pinfos]
to_clean = list()
clean_count = 0
for pname, pinfos_l in pdict.items():
if len(pinfos_l) > 1:
# There are some plugins to clean
tmp_l = sorted(pinfos_l, key=lambda item: item['version'])
to_clean += tmp_l[:-1]
msg = "Found %s(%s). Cleaning " % (
pname, tmp_l[-1]['version'])
for pinfos in to_clean:
clean_count += 1
str_info = '%s(%s)' % (pname, pinfos['version'])
msg += "%s, " % (str_info)
shutil.rmtree(pinfos['path'])
print(msg)
if clean_count > 0:
print("%d plugins were uninstalled" % clean_count)
else:
print("Already clean")
def run(cls, args):
import lodel.plugin.plugins
from lodel.plugin.plugins import Plugin
if args.verbose:
#_discover does not return duplicated names
tmp_plist = Plugin._discover(lodel.plugin.plugins.PLUGINS_PATH)
plist = []
# ordering the list by plugin's name
for pname in sorted(set([d['name'] for d in tmp_plist])):
for pinfos in tmp_plist:
if pinfos['name'] == pname:
plist.append(pinfos)
else:
# Retrieve the dict with the list of plugins
pdict = Plugin.discover()
# casting to a list ordered by names
plist = []
for pname in sorted(pdict.keys()):
plist.append(pdict[pname])
if args.csv:
if args.verbose:
res = "name,version,path\n"
fmt = "%s,%s,%s\n"
else:
res = "name,version\n"
fmt = "%s,%s\n"
else:
res = "Installed plugins list :\n"
if args.verbose:
fmt = "\t- %s(%s) in %s\n"
else:
fmt = "\t- %s(%s)\n"
for pinfos in plist:
if args.verbose:
res += fmt % (
pinfos['name'], pinfos['version'], pinfos['path'])
else:
res += fmt % (pinfos['name'], pinfos['version'])
print(res)
def test_construct(self):
""" Testing plugin instanciation """
pname_type = {
'dummy': Extension,
'dummy_datasource': DatasourcePlugin,
#'webui': InterfacePlugin, #singleton, cannot reinstanciate
#'ram_session': SessionHandlerPlugin, #singleton, cannot resintanciate
}
for pname, ptype in pname_type.items():
pinstance = Plugin.get(pname)
self.assertIsInstance(
pinstance, ptype, "Expected plugin '%s' \
to be in an %s instance but found an %s instance" %
(pname, ptype, pinstance.__class__))
def test_get_returns_proper_plugin_instance(self):
Plugin.register('dummy')
self.assertTrue(Plugin.get('dummy').__class__, Plugin)
def test_register_returns_Plugin_child_object(self):
self.assertTrue(
issubclass(Plugin.register('dummy_datasource').__class__, Plugin))
def test_register_if_plugin_already_registered_throws_PluginError(self):
Plugin.register('dummy')
self.assertRaises(PluginError, Plugin.register, 'dummy')
def test_clear_effectively_allow_fresh_new_plugin_reloading(self):
Plugin.start(self.working_plugins_list)
Plugin.clear()
Plugin.start(self.working_plugins_list)
def test_loader_module_if_plugin_not_yet_loaded_throws_RuntimeError(self):
self.assertRaises(RuntimeError, Plugin('dummy').loader_module)
def setUp(self):
Plugin.clear()
self.working_plugins_list = ['dummy', 'dummy_datasource']
def test_construct_invalid(self):
""" Testing plugin instanciation with a non existing name """
with self.assertRaises(PluginError):
Plugin.get("fljkhsfh")
def tearDownClass(cls):
Plugin.clear()
def test_plugin_module_name_correctly_returns_module_name_string_from_plugin_name(
self):
self.assertEqual(Plugin.plugin_module_name('foo'),
"%s.%s" % (VIRTUAL_PACKAGE_NAME, 'foo'))
def test_check_deps_returns_empty_list_if_no_dependencies(self):
self.assertEqual(list(), Plugin('dummy').check_deps())
def setUpClass(cls):
Plugin.clear()
Plugin.start(['dummy', 'dummy_datasource', 'webui', 'ram_sessions'])
def install(cls, args):
import lodel.plugin.plugins
from lodel.plugin.plugins import Plugin
from lodel.plugin.exceptions import PluginError
# We can't install a plugin with just its name, we have to know where
# it is
if len(args.plugin_name) > 0:
raise RuntimeError("Unable to install a plugin from its name !\
We do not know where to find it...")
plist = Plugin.discover()
errors = dict()
# For now we do not handle archive for plugins
if len(args.archive) > 0:
raise NotImplementedError("Not supported yet")
plugins_infos = {}
for cur_dir in args.directory:
# Check that the directories obtained correspond to plugins
try:
res = Plugin.dir_is_plugin(cur_dir, assert_in_package=False)
if res is False:
errors[cur_dir] = PluginError("Not a plugin")
else:
plugins_infos[res['name']] = res
except Exception as e:
errors[cur_dir] = e
# Abording because of previous errors
if len(errors) > 0:
msg = "Abording installation because of following errors :\n"
for path, expt in errors.items():
msg += ("\t- For path '%s' : %s\n" % (path, expt))
raise RuntimeError(msg)
# No errors continuing to install
for pname, pinfos in plugins_infos.items():
if pname in plist:
# Found an installed plugin with the same name
# Checking both versions
if plist[pname]['version'] == pinfos['version']:
errors[pinfos['path']] = 'Abording installation of %s \
found in %s because it seems to be allready installed in %s' % (
pname, pinfos['path'], plist[pname]['path'])
continue
if plist[pname]['version'] > pinfos['version']:
errors[pinfos['path']] = 'Abording installation of %s \
found in %s because the same plugins with a greater version seems to be \
installed in %s' % (pname, pinfos['path'], plist[pname]['path'])
continue
logger.info("Found a plugin with the same name but with an \
inferior version. Continuing to install")
# Checking that we can safely copy our plugin
dst_path = os.path.join(lodel.plugin.plugins.PLUGINS_PATH,
os.path.basename(os.path.dirname(pinfos['path'])))
orig_path = dst_path
if os.path.isdir(dst_path):
dst_path = tempfile.mkdtemp(
prefix=os.path.basename(dst_path) + '_',
dir=lodel.plugin.plugins.PLUGINS_PATH)
logger.warning("A plugin already exists in %s. Installing \
in %s" % (orig_path, dst_path))
shutil.rmtree(dst_path)
# Install the plugin
shutil.copytree(pinfos['path'], dst_path, symlinks=False)
print("%s(%s) installed in %s" % (
pname, pinfos['version'], dst_path))
if len(errors) > 0:
msg = "Following errors occurs during installation process :\n"
for path, error_msg in errors.items():
msg += "\t- For '%s' : %s" % (path, error_msg)
print(msg)
