[issue40002] Cookie load error inconsistency

[Bar Harel]

New submission from Bar Harel <bzvi7919 at gmail.com>:

ATM loading cookies is inconsistent.
If you encounter an invalid cookie, BaseCookie.load will sometimes raise CookieError and sometimes silently ignore the load:
 
from http.cookies import SimpleCookie
s = SimpleCookie()
s.load("invalid\x00=cookie") # Silently ignored
s.load("invalid/=cookie") # Raises CookieError

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components: Library (Lib)
messages: 364519
nosy: bar.harel
priority: normal
severity: normal
status: open
title: Cookie load error inconsistency
versions: Python 3.7, Python 3.8, Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40002>
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