Add error message for invalid argument value#244
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jiasli merged 5 commits intomicrosoft:devfrom Apr 9, 2021
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- If user provided an invalid value for an argument with a list of choices, then the error message will not indicate this. Rather it will indicate that cli command group is invalid. This is a quick fix and I am not sure that it doesn't break Knack. From my tests, this fix is better than removing overridden _check_value method.
…rror messages - This seems to be a better fix for the previous commit.
jiasli
commented
Mar 26, 2021
| # Show suggestions | ||
| candidates = difflib.get_close_matches(value, action.choices, cutoff=0.7) | ||
| if candidates: | ||
| suggestion_msg = "\nThe most similar choices to '{value}':\n".format(value=value) |
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No need to play around with English grammar for third person singular form.
jiasli
commented
Mar 26, 2021
| name=argparse._get_action_name(action)) # pylint: disable=protected-access | ||
| logger.error(error_msg) | ||
| # Show all allowed values | ||
| suggestion_msg = "Allowed values: " + ', '.join(action.choices) |
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The number of allowed argument values is usually very limited. Show all of them.
fralik
approved these changes
Apr 5, 2021
fralik
approved these changes
Apr 5, 2021
| # Show suggestions | ||
| candidates = difflib.get_close_matches(value, action.choices, cutoff=0.7) | ||
| if candidates: | ||
| suggestion_msg = "\nThe most similar choices to '{value}':\n".format(value=value) |
| name=argparse._get_action_name(action)) # pylint: disable=protected-access | ||
| logger.error(error_msg) | ||
| # Show all allowed values | ||
| suggestion_msg = "Allowed values: " + ', '.join(action.choices) |
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Fix #236
Migrated from #237
Symptom
Knack can only give error message for invalid command, but not invalid argument value.
History: #237 (comment)
Change
Add error message for invalid argument value.
Testing guide
ℹ As
Allowed values: rock, paper, scissorsappears in one line, it is not needed to add an empty line before it.