def import_by_path(dotted_path, error_prefix=''):
 try:
  (module_path, class_name) = dotted_path.rsplit('.', 1)
 except ValueError:
  raise ImproperlyConfigured(("%s%s doesn't look like a module path" % (error_prefix, dotted_path)))
 try:
  module = import_module(module_path)
 except ImportError as e:
  msg = ('%sError importing module %s: "%s"' % (error_prefix, module_path, e))
  six.reraise(ImproperlyConfigured, ImproperlyConfigured(msg), sys.exc_info()[2])
 try:
  attr = getattr(module, class_name)
 except AttributeError:
  raise ImproperlyConfigured(('%sModule "%s" does not define a "%s" attribute/class' % (error_prefix, module_path, class_name)))
 return attr

def import_by_path ( dotted_path , error_prefix = '' ) : try : ( module_path , class_name ) = dotted_path . rsplit ( '.' , 1 ) except ValueError : raise ImproperlyConfigured ( ( "%s%s doesn't look like a module path" % ( error_prefix , dotted_path ) ) ) try : module = import_module ( module_path ) except ImportError as e : msg = ( '%sError importing module %s: "%s"' % ( error_prefix , module_path , e ) ) six . reraise ( ImproperlyConfigured , ImproperlyConfigured ( msg ) , sys . exc_info ( ) [ 2 ] ) try : attr = getattr ( module , class_name ) except AttributeError : raise ImproperlyConfigured ( ( '%sModule "%s" does not define a "%s" attribute/class' % ( error_prefix , module_path , class_name ) ) ) return attr
import a dotted module path and return the attribute/class designated by the last name in the path .