utils: fix IPv6 address w/ port parsing #3006
Merged
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This was using a deprecated function (
urllib.splitnport
),ostensibly to work around issues with brackets on IPv6 addresses.
Ironically, its usage was broken, and would result in mangled IPv6
addresses if they had a port specified in some instances.
Usage of the deprecated function has been eliminated and extra test
cases added where missing. All existing cases pass as-is. (The only
other change to the test was to improve assertion messages.)
Fixes #2566.
Closes #2567 and closes #2944.