def __init__(self):
self._manager = {}
self._factory = FactoryBase()
self._manager["col_checker"] = {}
self._manager["preprocesser"] = {}
self._manager["join_checker"] = {}
class ProcesserManager(object):
""" process manager """
def __init__(self):
self._manager = {}
self._factory = FactoryBase()
self._manager["col_checker"] = {}
self._manager["preprocesser"] = {}
self._manager["join_checker"] = {}
def init_class(self, section, class_name):
"""
init class by class_name
Args:
section:col_checker, preprocesser, join_checker
class_name: AA.BB
Return:
class_obj
Exception:
ProcesserManagerInitError
"""
if section not in self._manager:
raise ProcesserManagerInitError(section, \
class_name, \
"No section %s" % (section))
if class_name in self._manager[section]:
return self._manager[section][class_name]
# split class_name
try:
module_name, module_class = class_name.split(".")
except ValueError as e:
raise ProcesserManagerInitError(section, \
class_name, \
"%s" % (e))
try:
class_obj = self._factory.create_obj(module_name, module_class)
except CreateObjError as e:
raise ProcesserManagerInitError(section, \
class_name, \
"%s" % (e))
self._manager[section][class_name] = class_obj
return class_obj
def locate(self, section, class_name):
"""
locate class by section and class_name
Args:
section:
class_name:
Return:
class_obj
Exception:
ProcesserManagerLocateError
"""
try:
return self._manager[section][class_name]
except (KeyError, TypeError) as e:
raise ProcesserManagerLocateError(section, \
class_name, \
"%s" % (e))
