Skip Montanaro <[email protected]> added the comment:
Okay, I'll reopen this, at least for the discussion of QUOTE_NONNULL.
@erdnaxeli please given an example of how PostgreSQL distinguishes between the
empty string and None cases. Is it a quoted empty string vs an empty field? If
so, modifying @samwyse's original example, is this what you are after?
>>> csv.register_dialect('quote_notnull', quoting=csv.QUOTE_NOTNULL)
>>> csv.writer(sys.stdout, dialect='quote_notnull').writerow(['', None, 42])
"",,"42"
? Can you modify the original two patches to restrict to QUOTE_NONNULL?
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status: closed -> open
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<https://bugs.python.org/issue23041>
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