Date Conditionals (datecond)

PURPOSE

This is a minimalistic (and slightly hacky) parser for date range conditionals.

INSTALLATION

pip install datecond

FORMAT

• comma-separated clauses (AND)

• clause: attribute comparison_operator value (spaces optional)

  • attribute: year, month, day, hour, month, second, weekday, isoweekday or empty for full datetime
  • comparison_operator: == != <= >= < >
  • value: integer, 'now', 'today', or dateutil-compatible date input

API

The library exposes only one function:

date_in_range(date_range, date, debug=True, now=None)

Where date_range is the date conditional (see FORMAT above), date is a datetime object, and now is the current date (used for 'now'/'today' comparisons; if not specified, datetime.datetime.now() or datetime.date.today() is used)

CLI USAGE

$ python -m datecond
Date range to accept: year == 2016
Date to test: 2016-01-01
    Date parsed: 2016-01-01 00:00:00
    <2016 == 2016>
    In range: True
Date to test: 2016-02-02
    Date parsed: 2016-02-02 00:00:00
    <2016 == 2016>
    In range: True
Date to test: 2017-01-01
    Date parsed: 2017-01-01 00:00:00
    <2017 == 2016>
    In range: False

$ python -m datecond
Date range to accept: year == 2016, month > 06, day >= 07
Date to test: 2016-06-07
    Date parsed: 2016-06-07 00:00:00
    <2016 == 2016>
    <6 > 6>
    <7 >= 7>
    In range: False
Date to test: 2016-07-07
    Date parsed: 2016-07-07 00:00:00
    <2016 == 2016>
    <7 > 6>
    <7 >= 7>
    In range: True
Date to test: 2016-08-08
    Date parsed: 2016-08-08 00:00:00
    <2016 == 2016>
    <8 > 6>
    <8 >= 7>
    In range: True
Date to test: 2015-07-07
    Date parsed: 2015-07-07 00:00:00
    <2015 == 2016>
    <7 > 6>
    <7 >= 7>
    In range: False

COPYRIGHT

Copyright © 2015-2019, Chris Warrick. All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions, and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of the author of this software nor the names of contributors to this software may be used to endorse or promote products derived from this software without specific prior written consent.

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