| Description: |
URI Normalization function
* Take care of IDN domains.
* Always provide the URI scheme in lowercase characters.
* Always provide the host, if any, in lowercase characters.
* Only perform percent-encoding where it is essential.
* Always use uppercase A-through-F characters when percent-encoding.
* Prevent dot-segments appearing in non-relative URI paths.
* For schemes that define a default authority, use an empty authority if the
default is desired.
* For schemes that define an empty path to be equivalent to a path of "/",
use "/".
* For schemes that define a port, use an empty port if the default is desired
* All portions of the URI must be utf-8 encoded NFC from Unicode strings
Inspired by Sam Ruby's urlnorm.py:
http://intertwingly.net/blog/2004/08/04/Urlnorm
This fork author: Nikolay Panov (<pythonista@npanov.com>) |
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