René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[bug] short flags/arguments does not work with `**kwargs`","articleBody":"# Description:\r\n\r\nShort flags/arguments (e.g. `-u` for `--username`) does not work with `**kwargs`\r\n\r\n# Example that works OK:\r\n\r\nThe following example works ok:\r\n\r\n```python\r\nimport fire\r\n\r\ndef cli(first_arg=\"left\", second_arg=\"right\"):\r\n    \"\"\"Prints the 2 arguments separated by bar\r\n       \r\n    Parameters\r\n    ----------\r\n    first_arg : str\r\n        the first arg\r\n    second_arg : str\r\n        the second arg\r\n    \"\"\"\r\n    print(f\"{first_arg} | {second_arg}\" )\r\n\r\nif __name__ == '__main__':\r\n  fire.Fire(cli)\r\n```\r\n## Help output\r\n```sh\r\n❯ python .\\example.py -- --help\r\nNAME\r\n    example.py - Prints the 2 arguments separated by bar\r\n\r\nSYNOPSIS\r\n    example.py \u003cflags\u003e\r\n\r\nDESCRIPTION\r\n    Prints the 2 arguments separated by bar\r\n\r\nFLAGS\r\n    -f, --first_arg=FIRST_ARG\r\n        Default: 'left'\r\n        the first arg\r\n    -s, --second_arg=SECOND_ARG\r\n        Default: 'right'\r\n        the second arg\r\n```\r\n## Usage with short flags\r\n```sh\r\n❯ python .\\example.py -f=\"hello\" -s=\"word\"\r\nhello | word\r\n```\r\n# Example that does not work:\r\n\r\nThe following next example does not work with short flags, **even when they are showing on the help output**.\r\nIt is using `**kwargs`. It seems the short flags are going to the `**kwargs` dictionary.\r\n\r\n```python\r\nimport fire\r\n\r\ndef cli(first_arg=\"left\", second_arg=\"right\", **kwargs):\r\n    \"\"\"Prints the 2 arguments separated by bar\r\n       \r\n    Parameters\r\n    ----------\r\n    first_arg : str\r\n        the first arg\r\n    second_arg : str\r\n        the second arg\r\n    kwargs : str\r\n        additional args\r\n    \"\"\"\r\n    print(f\"{first_arg} | {second_arg}\" )\r\n    print(kwargs)\r\n\r\nif __name__ == '__main__':\r\n  fire.Fire(cli)\r\n```\r\n## Help output\r\n```sh\r\n❯ python .\\example2.py -- --help\r\nNAME\r\n    example2.py - Prints the 2 arguments separated by bar\r\n\r\nSYNOPSIS\r\n    example2.py \u003cflags\u003e\r\n\r\nDESCRIPTION\r\n    Prints the 2 arguments separated by bar\r\n\r\nFLAGS\r\n    -f, --first_arg=FIRST_ARG\r\n        Default: 'left'\r\n        the first arg\r\n    -s, --second_arg=SECOND_ARG\r\n        Default: 'right'\r\n        the second arg\r\n    Additional flags are accepted.\r\n        additional args\r\n```\r\n## Usage with short flags\r\n```sh\r\n❯ python .\\example2.py -f=\"hello\" -s=\"word\"\r\nleft | right\r\n{'f': 'hello', 's': 'word'}\r\n```\r\nIn summary: the `-f` and `-s` arguments should be parsing to `--first_arg` and `--second_arg` but they are parsing to `kwargs`","author":{"url":"https://github.com/diogo-rossi","@type":"Person","name":"diogo-rossi"},"datePublished":"2023-05-10T02:58:45.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/454/python-fire/issues/454"}