def parser_class(self):
cls = self.options.get('PARSER_CLASS', None)
if cls is None:
return DefaultParser
mod_path, cls_name = cls.rsplit('.', 1)
try:
mod = import_module(mod_path)
parser_class = getattr(mod, cls_name)
except (AttributeError, ImportError):
raise Exception("Could not find parser class '%s'" % parser_class)
return parser_class
def get_key_func(key_func):
"""
Function to decide which key function to use.
Defaults to ``default_key_func``.
"""
if key_func is not None:
if callable(key_func):
return key_func
else:
key_func_module_path, key_func_name = key_func.rsplit('.', 1)
key_func_module = import_module(key_func_module_path)
return getattr(key_func_module, key_func_name)
return default_key_func
