Issue 1030499: os.path.join() does not raise TypeError (original) (raw)

Issue1030499

Created on 2004-09-18 23:40 by pfortin, last changed 2022-04-11 14:56 by admin. This issue is now closed.

Messages (3)
msg60568 - (view)	Author: Pierre Fortin (pfortin)	Date: 2004-09-18 23:40
Within os and os.path, os.path.join() appears to be the only function which fails to indicate a TypeError. This was found inadvertently with: def foo(*args): ... return os.path.join(args) # note the missing "*" Calling the function with: foo('a','b') returns: ('a','b') Other os & os.path functions return TypeError in this situation.
msg60569 - (view)	Author: Raymond Hettinger (rhettinger) *	Date: 2004-09-30 01:02
Logged In: YES user_id=80475 I'm -0 on changing this. The code is already complex and spread across multiple files. It's absence of type checking allows sting lookalikes to be used. If there were a change, it should probably refactor the function to use ''.join instead of += logic. That would detect the problem and improve the algorithm at the same time.
msg85541 - (view)	Author: Georg Brandl (georg.brandl) *	Date: 2009-04-05 18:17
+1 for duck typing.