def do_fallback(fallback_servers, base_path, path_info):
_, ext = os.path.splitext(path_info)
path_info = path_info.lstrip("/")
path_info, action_tuples = parse_action_tuples(path_info)
path_info = path_info + ext
if ".." in path_info:
return (False, "bad path")
fallback_url = match_fallback(fallback_servers, path_info)
if not fallback_url:
return (False, "no matching fallback")
output_file = os.path.join(base_path, path_info)
if not os.path.lexists(output_file):
o = urllib.URLopener()
try:
(tmpfn, httpmsg) = o.retrieve(fallback_url)
makedirs(os.path.dirname(output_file))
shutil.move(tmpfn, output_file)
return (True, tmpfn)
except IOError, e:
return (False, (e, (fallback_url, output_file)))
def test(self):
self.assertEqual(
("c05-v2-final-orioles-12-x-large", []),
utils.parse_action_tuples("c05-v2-final-orioles-12-x-large")
)
self.assertEqual(
("c05-v2-final-orioles-12-x-large", [("r", "100x100")]),
utils.parse_action_tuples(
"c05-v2-final-orioles-12-x-large_r100x100"
)
)
self.assertEqual(
("final-orioles-12-x-large", [("r", "100x100")]),
utils.parse_action_tuples("final-orioles-12-x-large_r100x100")
)
self.assertEqual(
("foo_bar", []),
utils.parse_action_tuples("foo_bar")
)
self.assertEqual(
("foo_bar", [("r", "100")]),
utils.parse_action_tuples("foo_bar_r100")
)
self.assertEqual(
("c1088", []),
utils.parse_action_tuples("c1088")
)
self.assertEqual(
("c1088-1_1", []),
utils.parse_action_tuples("c1088-1_1")
)
self.assertEqual(
("c1088", [("c", "0-0-100-100")]),
utils.parse_action_tuples("c1088_c0-0-100-100")
)
