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gh-99749: Add closest choice if exists in Argparser if wrong choice picked #99773

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gh-99749: Add closest choice if exists in Argparser if wrong choice picked #99773

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ef8e4fc
Add closet choice if exists in argparser if wrong choice picked
abdulrafey38 Nov 25, 2022
7e8dcf8
📜🤖 Added by blurb_it.
blurb-it[bot] Nov 25, 2022
8c754cd
Fix documentation
abdulrafey38 Nov 25, 2022
4fb8ce6
Added EOL :hammer:
abdulrafey38 Nov 25, 2022
2f197b3
Test cases updated for argparser
abdulrafey38 Nov 25, 2022
940a66e
Fixed typo errors :hammer:
abdulrafey38 Nov 25, 2022
badc5ed
Test case fix :hammer:
abdulrafey38 Nov 25, 2022
2588ef1
Fixed test cse error msg :hammer:
abdulrafey38 Nov 25, 2022
ee05c1e
Fixed error test case assert msg :hammer:
abdulrafey38 Nov 25, 2022
4a36406
assertion fix :hammer:
abdulrafey38 Nov 25, 2022
fe169bc
assertion test case fix
abdulrafey38 Nov 25, 2022
9fe0d95
Test Case fix
abdulrafey38 Nov 25, 2022
d12e1c4
Reveet to assertRegex from assertEqual
abdulrafey38 Nov 25, 2022
35f0961
Remove unused imports :hammer:
abdulrafey38 Nov 25, 2022
087895c
assertion msg fixed :hammer:
abdulrafey38 Nov 25, 2022
6eeae5c
test cases fixed :hammer:
abdulrafey38 Nov 25, 2022
9965694
assert fix
abdulrafey38 Nov 25, 2022
4ef218a
assertion fix
abdulrafey38 Nov 25, 2022
e63a01c
revert testing
abdulrafey38 Nov 25, 2022
bfc9262
test: hammer:
abdulrafey38 Nov 25, 2022
b3b4a9e
fixed
abdulrafey38 Nov 25, 2022
b8bc465
PR review changes :hammer:
abdulrafey38 Nov 26, 2022
ade070f
test case fix :hammer:
abdulrafey38 Nov 26, 2022
3753a0d
test case fixation assertIn
abdulrafey38 Nov 26, 2022
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Add closet choice if exists in argparser if wrong choice picked
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abdulrafey38 committed Nov 25, 2022
commit ef8e4fc483f28890bbc52235c5b08499bee93d39
11 changes: 10 additions & 1 deletion Lib/argparse.py
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Expand Up @@ -85,6 +85,7 @@
]


import difflib as _difflib
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@savannahostrowski savannahostrowski Sep 23, 2024

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I think we'd probably want to move the import down into the case where the error is thrown, since this is probably not going to be used very often.

import os as _os
import re as _re
import sys as _sys
Expand Down Expand Up @@ -2543,9 +2544,17 @@ def _get_value(self, action, arg_string):
def _check_value(self, action, value):
# converted value must be one of the choices (if specified)
if action.choices is not None and value not in action.choices:
closet_choice = _difflib.get_close_matches(value, action.choices)
args = {'value': value,
'choices': ', '.join(map(repr, action.choices))}
msg = _('invalid choice: %(value)r (choose from %(choices)s)')

if closet_choice := closet_choice and closet_choice[0] or '':
args['closet'] = closet_choice
msg = _('invalid choice: %(value)r, maybe you meant %(closet)r? '
'(choose from %(choices)s)')
else:
msg = _('invalid choice: %(value)r (choose from %(choices)s)')

raise ArgumentError(action, msg % args)

# =======================
Expand Down
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