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argparse-utils-1.3.0


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توضیحات

A collection of utilities for the Python standard-library argparse module
ویژگی مقدار
سیستم عامل -
نام فایل argparse-utils-1.3.0
نام argparse-utils
نسخه کتابخانه 1.3.0
نگهدارنده []
ایمیل نگهدارنده []
نویسنده Robert Wright
ایمیل نویسنده madman.bob@hotmail.co.uk
آدرس صفحه اصلی https://github.com/madman-bob/python-argparse-utils
آدرس اینترنتی https://pypi.org/project/argparse-utils/
مجوز MIT
# argparse_utils [`argparse_utils`](https://github.com/madman-bob/python-argparse-utils) provides a collection of utilities for the Python standard-library [`argparse`](https://docs.python.org/3/library/argparse.html) module. These utilities assist with parsing command-line arguments to Python objects. ## Example Consider a simple command-line script which accepts a colour as it's only argument, and immediately prints the Python representation of that object. ```python from argparse import ArgumentParser from enum import Enum from argparse_utils import enum_action class Colours(Enum): red = 1 green = 2 blue = 3 if __name__ == "__main__": parser = ArgumentParser() parser.add_argument('colour', action=enum_action(Colours)) arguments = parser.parse_args() print(repr(arguments.colour)) ``` ```bash $ argparse_utils_example.py red <Colours.red: 1> ``` Without the `enum_action` action, `arguments.colour` would be the string `'red'`, rather than the enum value `Colours.red`. What's more, the action ensures that only the values given in the enum are allowed, instead of any string value. ## Reference - `datetime_action(fmt='%Y-%m-%dT%H:%M:%S')` Maps command-line arguments in the given format to `datetime` objects. Only accepts valid date-times in that format. eg. An action of `datetime_action()` would map a command-line argument of `2000-01-01T00:00:00` to the Python object `datetime.datetime(2000, 1, 1, 0, 0)`. - `date_action(fmt='%Y-%m-%d')` Maps command-line arguments in the given format to `date` objects. Only accepts valid dates in that format. eg. An action of `date_action()` would map a command-line argument of `2000-01-01` to the Python object `datetime.date(2000, 1, 1)`. - `time_action(fmt='%H:%M:%S')` Maps command-line arguments in the given format to `time` objects. Only accepts valid times in that format. eg. An action of `time_action()` would map a command-line argument of `00:00:00` to the Python object `datetime.time(0, 0)`. - `timedelta_action(fmt='%H:%M:%S')` Maps command-line arguments in the given format to `timedelta` objects. Only accepts valid time-deltas in that format. Note: As this uses a `timedelta` object, this may behave in unexpected ways when attempting to use months or years. eg. An action of `timedelta_action()` would map a command-line argument of `01:00:00` to the Python object `datetime.timedelta(0, 3600))`. - `json_action(**kwargs)` Maps command-line arguments to JSON objects. Only accepts valid JSON. Passes `kwargs` on to `json.loads`. eg. An action of `json_action()` would map a command-line argument of `{"a": 1, "b": 2}` to the Python object `{"a": 1, "b": 2}`. - `mapping_action(possible_values, key_normalizer=None)` Takes a dictionary whose keys are the allowed values, and maps those values to the values found in the dictionary. Only the values found as keys in the dictionary are allowed as command-line arguments. `key_normalizer`, if given, allows variants of the keys, by normalizing them before looking them up in the given mapping. eg. An action of ```python mapping_action({ 'red': (255, 0, 0), 'green': (0, 255, 0), 'blue': (0, 0, 255) }, str.lower) ``` would map a command-line argument of `red` to the Python object `(255, 0, 0)`. Using `str.lower` as the `key_normalizer` makes the command-line argument case-insensitive. - `enum_action(enum_class, key_normalizer=None)` Takes an `Enum` class, and maps the string representation of the keys to the appropriate enum value. Only the values found in the enum are allowed as command-line arguments. `key_normalizer`, if given, allows variants of the keys, by normalizing them before looking them up in the given mapping. eg. Using the `Colour` enum, from the first example, an action of ```python enum_action(Colour, str.lower) ``` would map a command-line argument of `red` to the enum `Colour.red` value. Using `str.lower` as the `key_normalizer` makes the command-line argument case-insensitive. - `python_literal_action()` Maps command-line arguments to Python literals. Only accepts valid Python literal objects. Similar to `json_action`, but also allows tuples, and complex numbers. eg. An action of `python_literal_action()` would map a command-line argument of `(1, 2)` to the Python object `(1, 2)`. ## Installation Install and update using the standard Python package manager [pip](https://pip.pypa.io/en/stable/): ```bash pip install argparse-utils ```


نیازمندی

مقدار نام
- twine


زبان مورد نیاز

مقدار نام
>=3.5 Python


نحوه نصب


نصب پکیج whl argparse-utils-1.3.0:

    pip install argparse-utils-1.3.0.whl


نصب پکیج tar.gz argparse-utils-1.3.0:

    pip install argparse-utils-1.3.0.tar.gz