1
0
mirror of https://github.com/mikf/gallery-dl.git synced 2024-11-22 18:53:21 +01:00
gallery-dl/gallery_dl/downloader/__init__.py
2015-11-12 02:29:59 +01:00

28 lines
755 B
Python

# -*- coding: utf-8 -*-
# Copyright 2015 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
import importlib
def find(scheme):
"""Return downloader class suitable for handling the given scheme"""
try:
return _cache[scheme]
except KeyError:
try:
module = importlib.import_module("."+scheme, __package__)
klass = getattr(module, "Downloader")
_cache[scheme] = klass
return klass
except ImportError:
return None
# --------------------------------------------------------------------
# internals
_cache = {}