[issue30713] Reject newline character (U+000A) in URLs in urllib.parse

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

First, I think urllib.parse is not the best place for doing such checks. Even if add some checks in urllib.parse, they should be added also at lower level in urllib.request or concrete protocol implementations.

Second, PR 2303 actually doesn't reject arguments with '\n'. splithost('example.org\n') will return a tuple ('example.org\n', None), etc.

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<http://bugs.python.org/issue30713>
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