Possible Unicode handling issue in python.

[mikelojkovic]

BPO	37533
Nosy	@brettcannon, @vstinner, @ezio-melotti, @zware

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2019-07-09.22:02:00.156>
created_at = <Date 2019-07-09.21:30:38.084>
labels = ['expert-XML', 'type-bug', 'expert-unicode']
title = 'Possible Unicode  handling issue in python.'
updated_at = <Date 2019-07-09.22:06:07.685>
user = 'https://bugs.python.org/mikelojkovic'

bugs.python.org fields:

activity = <Date 2019-07-09.22:06:07.685>
actor = 'zach.ware'
assignee = 'none'
closed = True
closed_date = <Date 2019-07-09.22:02:00.156>
closer = 'zach.ware'
components = ['Unicode', 'XML']
creation = <Date 2019-07-09.21:30:38.084>
creator = 'mike lojkovic'
dependencies = []
files = []
hgrepos = []
issue_num = 37533
keywords = []
message_count = 3.0
messages = ['347578', '347579', '347581']
nosy_count = 5.0
nosy_names = ['brett.cannon', 'vstinner', 'ezio.melotti', 'zach.ware', 'mike lojkovic']
pr_nums = []
priority = 'normal'
resolution = 'third party'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue37533'
versions = ['Python 2.7']

[mikelojkovic]

Encode error on character '\u2193' was suggested by a tribler developer might indicate a problem with python's handling of unicdoe in specific cases.

Tribler/tribler#4666

[brettcannon]

The error at Tribler/tribler#4666 (comment) shows that you are trying to encode using ASCII for a Unicode code point that is not compatible with ASCII itself.

Did you specify the encoding to the XML parser you are using?

[zware]

That issue shows a traceback from Python 2.7, which handles Unicode significantly differently than (read "not as well as") Python 3. If the issue can be boiled down to a few lines of Python code that show a real problem in Python 3's Unicode handling (rather than in Tribler or PyQT) please reopen, but for now I see no indication that this is a problem in Python 3. The chances of changing Python 2's Unicode handling in any meaningful way at this point in its lifecycle are nearly nil.