def get_plugin_instance(plugin):
try:
source_path = os.path.join(plugin.path, plugin.script)
cache.load_module(plugin.name, source_path)
instance = cache.get_plugin(plugin.name)()
return instance
except:
logger.error(traceback.format_exc())
raise Exception("Error loading plugin module from %s" % source_path)
def get_plugin_instance(plugin):
try:
source_path = os.path.join(plugin.path, plugin.script)
cache.load_module(plugin.name, source_path)
instance = cache.get_plugin(plugin.name)()
return instance
except:
logger.error(traceback.format_exc())
raise Exception("Error loading plugin module from %s" % source_path)
def setUpModule():
plugins = []
path = os.path.join(os.path.dirname(__file__),'plugins')
path = os.path.normpath(os.path.abspath(path))
assert os.path.exists(path)
for (dirpath, dirnames, filenames) in os.walk(path):
if '.svn' in dirpath: continue
for name in dirnames:
if name == '.svn': continue
launchsh = os.path.join(dirpath, name, 'launch.sh')
if os.path.exists(launchsh):
log.info("Plugin [launch]: '%s'",launchsh)
plugins.append( (name, launchsh) )
continue
# Find all instances of PluginName/PluginName.py
plugindef = os.path.join(dirpath, name, name + '.py')
if os.path.exists(plugindef):
log.info("Plugin [class]: '%s'",plugindef)
#sys.path.append(os.path.join(dirpath, name))
plugins.append( (name, plugindef) )
continue
log.debug("Path (No Plugins): '%s/%s'",dirpath, name)
assert plugins
cache.set_installed_modules(plugins)
for (name, script) in plugins:
ret = cache.load_module(name, script)
assert ret
return True
def setUpModule():
plugins = []
path = os.path.join(os.path.dirname(__file__), 'plugins')
path = os.path.normpath(os.path.abspath(path))
assert os.path.exists(path)
for (dirpath, dirnames, filenames) in os.walk(path):
if '.svn' in dirpath: continue
for name in dirnames:
if name == '.svn': continue
launchsh = os.path.join(dirpath, name, 'launch.sh')
if os.path.exists(launchsh):
log.info("Plugin [launch]: '%s'", launchsh)
plugins.append((name, launchsh))
continue
# Find all instances of PluginName/PluginName.py
plugindef = os.path.join(dirpath, name, name + '.py')
if os.path.exists(plugindef):
log.info("Plugin [class]: '%s'", plugindef)
#sys.path.append(os.path.join(dirpath, name))
plugins.append((name, plugindef))
continue
log.debug("Path (No Plugins): '%s/%s'", dirpath, name)
assert plugins
cache.set_installed_modules(plugins)
for (name, script) in plugins:
ret = cache.load_module(name, script)
assert ret
return True
def get_info_from_script(name, script, context=None):
from ion.plugin.loader import cache
from ion.plugin.info import PluginInfo
mod = cache.load_module(name, script)
cls = cache.get_plugin(name)
if not cls:
return None
plugin = cls()
## TODO plugin = cls(**context)
info = PluginInfo.from_instance(plugin)
return info
def get_info_from_script(name, script, context=None):
from ion.plugin.loader import cache
from ion.plugin.info import PluginInfo
mod = cache.load_module(name, script)
cls = cache.get_plugin(name)
if not cls:
return None
plugin = cls()
## TODO plugin = cls(**context)
info = PluginInfo.from_instance(plugin)
return info
def get_info_from_script(name, script, context=None, add_to_store=True):
from ion.plugin.loader import cache
from ion.plugin.info import PluginInfo
mod = cache.load_module(name, script, add_to_store)
# if the load module command returned a None object, then lets raise an exception based on what happened
if not mod:
if name in cache.module_errors:
raise cache.module_errors[name]
else:
raise Exception("Error loading the module.")
cls = cache.get_plugin(name)
if not cls:
raise Exception("The python module loaded but no classes which extend 'IonPlugin' registered themselves with the framework.")
plugin = cls()
return PluginInfo.from_instance(plugin)
def get_info_from_script(name, script, context=None, add_to_store=True):
from ion.plugin.loader import cache
from ion.plugin.info import PluginInfo
mod = cache.load_module(name, script, add_to_store)
# if the load module command returned a None object, then lets raise an exception based on what happened
if not mod:
if name in cache.module_errors:
raise cache.module_errors[name]
else:
raise Exception("Error loading the module.")
cls = cache.get_plugin(name)
if not cls:
raise Exception(
"The python module loaded but no classes which extend 'IonPlugin' registered themselves with the framework."
)
plugin = cls()
return PluginInfo.from_instance(plugin)
def unzipPlugin(zipfile, logger=None):
if not logger:
logger = logging.getLogger(__name__)
## Extract plugin to scratch folder. When complete, move to final location.
plugin_path, ext = os.path.splitext(zipfile)
plugin_name = os.path.basename(plugin_path)
# ZIP file must named with plugin name - fragile
# FIXME - handle (1) additions (common for multiple downloads via browser)
# FIXME - handle version string in ZIP archive name
scratch_path = os.path.join(settings.PLUGIN_PATH, "scratch",
"install-temp", plugin_name)
(prefix, files) = extract_zip(zipfile,
scratch_path,
auto_prefix=True,
logger=logger)
if prefix:
plugin_name = os.path.basename(prefix)
plugin_temp_home = os.path.join(scratch_path, prefix)
try:
# Convert script into PluginClass, get info by introspection
from iondb.plugins.manager import pluginmanager
script, islaunch = pluginmanager.find_pluginscript(
plugin_temp_home, plugin_name)
logger.debug("Got script: %s", script)
from ion.plugin.loader import cache
ret = cache.load_module(plugin_name, script)
cls = cache.get_plugin(plugin_name)
p = cls()
final_name = p.name # what the plugin calls itself, regardless of ZIP file name
logger.info("Plugin calls itself: '%s'", final_name)
except:
logger.exception("Unable to interrogate plugin name from: '%s'",
zipfile)
final_name = plugin_name
#move to the plugin dir
# New extract_zip removes prefix from extracted files.
# But still writes to file_name
try:
final_install_dir = os.path.join(settings.PLUGIN_PATH, final_name)
if os.path.exists(final_install_dir) and (final_install_dir !=
settings.PLUGIN_PATH):
logger.info("Deleting old copy of plugin at '%s'",
final_install_dir)
delete_that_folder(
final_install_dir,
"Error Deleting old copy of plugin at '%s'" %
final_install_dir)
parent_folder = os.path.dirname(final_install_dir)
if not os.path.exists(parent_folder):
logger.info("Creating path for plugin '%s' for '%s'",
parent_folder, final_install_dir)
os.makedirs(parent_folder, 0555)
logger.info(
"Moving plugin from temp extract folder '%s' to final location: '%s'",
plugin_temp_home, final_install_dir)
shutil.move(plugin_temp_home, final_install_dir)
delete_that_folder(scratch_path,
"Deleting plugin install scratch folder")
except (IOError, OSError):
logger.exception(
"Failed to move plugin from temp extract folder '%s' to final location: '%s'",
plugin_temp_home, final_install_dir)
raise
# Now that it has been downloaded,
# convert pre-plugin into real db plugin object
try:
from iondb.plugins.manager import pluginmanager
(new_plugin, updated) = pluginmanager.install(final_name,
final_install_dir)
except ValueError:
logger.exception("Failed to install plugin")
#delete_that_folder(final_install_dir)
return {
"plugin": final_name,
"path": final_install_dir,
"files": files,
}
def unzipPlugin(zipfile, logger=None):
if not logger:
logger = logging.getLogger(__name__)
## Extract plugin to scratch folder. When complete, move to final location.
plugin_path, ext = os.path.splitext(zipfile)
plugin_name = os.path.basename(plugin_path)
# ZIP file must named with plugin name - fragile
# FIXME - handle (1) additions (common for multiple downloads via browser)
# FIXME - handle version string in ZIP archive name
scratch_path = os.path.join(settings.PLUGIN_PATH,"scratch","install-temp",plugin_name)
(prefix, files) = extract_zip(zipfile, scratch_path, auto_prefix=True, logger=logger)
if prefix:
plugin_name = os.path.basename(prefix)
plugin_temp_home = os.path.join(scratch_path, prefix)
try:
# Convert script into PluginClass, get info by introspection
from iondb.plugins.manager import pluginmanager
script, islaunch = pluginmanager.find_pluginscript(plugin_temp_home, plugin_name)
logger.debug("Got script: %s", script)
from ion.plugin.loader import cache
ret = cache.load_module(plugin_name, script)
cls = cache.get_plugin(plugin_name)
p = cls()
final_name = p.name # what the plugin calls itself, regardless of ZIP file name
logger.info("Plugin calls itself: '%s'", final_name)
except:
logger.exception("Unable to interrogate plugin name from: '%s'", zipfile)
final_name = plugin_name
#move to the plugin dir
# New extract_zip removes prefix from extracted files.
# But still writes to file_name
try:
final_install_dir = os.path.join(settings.PLUGIN_PATH, final_name)
if os.path.exists(final_install_dir) and (final_install_dir != settings.PLUGIN_PATH):
logger.info("Deleting old copy of plugin at '%s'", final_install_dir)
delete_that_folder(final_install_dir, "Error Deleting old copy of plugin at '%s'" % final_install_dir)
parent_folder = os.path.dirname(final_install_dir)
if not os.path.exists(parent_folder):
logger.info("Creating path for plugin '%s' for '%s'", parent_folder, final_install_dir)
os.makedirs(parent_folder, 0555)
logger.info("Moving plugin from temp extract folder '%s' to final location: '%s'", plugin_temp_home, final_install_dir)
shutil.move(plugin_temp_home, final_install_dir)
delete_that_folder(scratch_path, "Deleting plugin install scratch folder")
except (IOError, OSError):
logger.exception("Failed to move plugin from temp extract folder '%s' to final location: '%s'", plugin_temp_home, final_install_dir)
raise
# Now that it has been downloaded,
# convert pre-plugin into real db plugin object
try:
from iondb.plugins.manager import pluginmanager
(new_plugin, updated) = pluginmanager.install(final_name, final_install_dir)
except ValueError:
logger.exception("Failed to install plugin")
#delete_that_folder(final_install_dir)
return {
"plugin": final_name,
"path": final_install_dir,
"files": files,
}
