New submission from Thomas Lotze:
A csv.writer with quoting=csv.QUOTE_NONNUMERIC does not quote boolean values,
which makes a csv.reader with the same quoting behaviour fail on that value:
-------- csv.py ----------
import csv
import io
f = io.StringIO()
writer = csv.writer(f, quoting=csv.QUOTE_NONNUMERIC)
writer.writerow(['asdf', 1, True])
f.seek(0)
reader = csv.reader(f, quoting=csv.QUOTE_NONNUMERIC)
for row in reader:
print(row)
----------------------
$ python3 csvbug.py
Traceback (most recent call last):
File "csvbug.py", line 12, in <module>
for row in reader:
ValueError: could not convert string to float: 'True'
----------------------
I'd consider this inconsistency a bug, but in any case something that needs
documenting.
----------
components: Library (Lib)
messages: 291516
nosy: tlotze
priority: normal
severity: normal
status: open
title: csv: Inconsistency re QUOTE_NONNUMERIC
type: behavior
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Python tracker <[email protected]>
<http://bugs.python.org/issue30046>
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