#!/usr/bin/env python
# Copyright 2011 The Chromium Authors
# 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 Chrome."""

from __future__ import print_function


def GetScraper(version):
  """Returns the scraper module for the given version.

  Args:
    version: version string of Chrome, or None for most recent

  Returns:
    scrape module for given version
  """
  if version is None:
    version = "0.1.101.0"

  parsed_version = [int(x) for x in version.split(".")]

  if (
    parsed_version[0] > 0
    or parsed_version[1] > 1
    or parsed_version[2] > 97
    or parsed_version[3] > 0
  ):
    scraper_version = "chrome011010"
  else:
    scraper_version = "chrome01970"

  return __import__(scraper_version, globals(), locals(), [''])


# if invoked rather than imported, test
if __name__ == "__main__":
  print(GetScraper("0.1.101.0").version)