Jack> I started fixing up __all__, but then I realised that this is
Jack> probably not the right solution.
Jack> One is as a convenience, where the user doesn't want to prefix all
Jack> references with xxx. but the other distinct case is in a module
Jack> that is an extension of another module. In this second case you
Jack> would really want to bypass this whole __all__ mechanism.
Jack> I think that the latter is a valid use case for import *, and that
Jack> there should be some way to get this behaviour.
Two things come to mind. One, perhaps a more careful coding of urllib to
avoid exposing names it shouldn't export would be a better choice. Two,
perhaps those symbols that are not documented but that would be useful when
extending urllib functionality should be documented and added to __all__.
Here are the non-module names I didn't include in urllib.__all__:
MAXFTPCACHE
localhost
thishost
ftperrors
noheaders
ftpwrapper
addbase
addclosehook
addinfo
addinfourl
basejoin
toBytes
unwrap
splittype
splithost
splituser
splitpasswd
splitport
splitnport
splitquery
splittag
splitattr
splitvalue
splitgophertype
always_safe
getproxies_environment
getproxies
getproxies_registry
test1
reporthook
test
main
None are documented, so there are no guarantees if you use them (I have
subclassed addinfourl in the past myself).
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