1 #!/usr/bin/env python 2 # Copyright (c) 2011 The Chromium Authors. All rights reserved. 3 # Use of this source code is governed by a BSD-style license that can be 4 # found in the LICENSE file. 5 6 """Selects the appropriate scraper for a given browser and version.""" 7 8 import types 9 10 # TODO(jhaas): unify all optional scraper parameters into kwargs 11 12 def GetScraper(browser): 13 """Given a browser and an optional version, returns the scraper module. 14 15 Args: 16 browser: either a string (browser name) or a tuple (name, version) 17 18 Returns: 19 module 20 """ 21 22 if type(browser) == types.StringType: browser = (browser, None) 23 24 package = __import__(browser[0], globals(), locals(), ['']) 25 module = package.GetScraper(browser[1]) 26 if browser[1] is not None: module.version = browser[1] 27 28 return module 29 30 31 # if invoked rather than imported, do some tests 32 if __name__ == "__main__": 33 print GetScraper("IE") 34
