def __init__(self, url_map):
    try:
      url_pattern = re.compile('%s$' % url_map.url)
    except re.error, e:
      raise errors.InvalidAppConfigError(
          'invalid url %r in script handler: %s' % (url_map.url, e))

    super(_ScriptHandler, self).__init__(url_map, url_pattern)
    self.url_map = url_map
Sieving a band from a raster file should match sieve of array
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/tools/devappserver2/module.py/_ScriptHandler.__init__--crossover with--dataset/ETHPy150Open mapbox/rasterio/tests/test_features.py/test_sieve_band