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#!/usr/bin/env python
# Copyright (c) 2011 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Selects the appropriate scraper for a given browser and version."""
import types
# TODO(jhaas): unify all optional scraper parameters into kwargs
def GetScraper(browser):
"""Given a browser and an optional version, returns the scraper module.
Args:
browser: either a string (browser name) or a tuple (name, version)
Returns:
module
"""
if type(browser) == types.StringType: browser = (browser, None)
package = __import__(browser[0], globals(), locals(), [''])
module = package.GetScraper(browser[1])
if browser[1] is not None: module.version = browser[1]
return module
# if invoked rather than imported, do some tests
if __name__ == "__main__":
print GetScraper("IE")
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