René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"test_cmd_line_script and test_embed, test_compileall, test_urllib fail if TMPDIR path is non-ASCII","articleBody":"```\r\n$ mkdir nonasciié\r\n$ TMPDIR=$PWD/nonasciié/ TEMP=$PWD/nonasciié/ ./python -m test test_urllib -v -m test_file_notexists \r\n(...)\r\nERROR: test_file_notexists (test.test_urllib.urlopen_HttpTests.test_file_notexists)\r\n----------------------------------------------------------------------\r\nTraceback (most recent call last):\r\n  File \"/home/vstinner/python/main/Lib/urllib/parse.py\", line 1004, in _to_bytes\r\n    url = url.encode(\"ASCII\").decode()\r\n          ^^^^^^^^^^^^^^^^^^^\r\nUnicodeEncodeError: 'ascii' codec can't encode character '\\xe9' in position 52: ordinal not in range(128)\r\n\r\nDuring handling of the above exception, another exception occurred:\r\n\r\nTraceback (most recent call last):\r\n  File \"/home/vstinner/python/main/Lib/test/test_urllib.py\", line 535, in test_file_notexists\r\n    with urlopen(tmp_fileurl) as fobj:\r\n         ^^^^^^^^^^^^^^^^^^^^\r\n  File \"/home/vstinner/python/main/Lib/test/test_urllib.py\", line 54, in urlopen\r\n    return opener.open(url)\r\n           ^^^^^^^^^^^^^^^^\r\n  File \"/home/vstinner/python/main/Lib/urllib/request.py\", line 1760, in open\r\n    fullurl = unwrap(_to_bytes(fullurl))\r\n                     ^^^^^^^^^^^^^^^^^^\r\n  File \"/home/vstinner/python/main/Lib/urllib/parse.py\", line 1006, in _to_bytes\r\n    raise UnicodeError(\"URL \" + repr(url) +\r\n    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\r\nUnicodeError: URL 'file://localhost//home/vstinner/python/main/nonasciié/tmp3e6una03' contains non-ASCII characters\r\n```\r\n\r\ncc @serhiy-storchaka ","author":{"url":"https://github.com/vstinner","@type":"Person","name":"vstinner"},"datePublished":"2022-06-15T11:40:05.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/93855/cpython/issues/93855"}