Parser for date range conditionals.
Project description
- Info:
This is the README file for Date Conditionals.
- Copyright:
- © 2016-2018, Chris Warrick.
- Date:
- 2020-07-01
- Version:
- 0.1.7
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:
Redistributions of source code must retain the above copyright notice, this list of conditions, and the following disclaimer.
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.
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.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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