timeperiod

A simple parser of time periods specified in a text to datetime objects.

Installation:

pip install git+https://github.com/lisfer/timeperiod.git

Lib parser phrases like "<time_direction&gt [<number>] <time_period>" where

<time_direction> - one of the next values: last / past / previous / current / this / next

<number> - number of "periods". Can be absent

<time_period> - one of the next values day(s) / week(s) / month(es) / quarter(s) / year(s)

Also, underestands "yesterday / today / tomorrow"

Usage

from timeperiod import DateParser
from datetime import datetime

z = datetime(2018, 10, 10, 13, 15, 16)

DateParser.parse_period('last 3 weeks', z)
>>> (datetime.datetime(2018, 9, 17, 0, 0), datetime.datetime(2018, 10, 8, 0, 0))

DateParser.parse_period('next month', z)
>>> (datetime.datetime(2018, 11, 1, 0, 0), datetime.datetime(2018, 12, 1, 0, 0))

DateParser.parse_period('last quarter', z)
>>> (datetime.datetime(2018, 7, 1, 0, 0), datetime.datetime(2018, 10, 1, 0, 0))

DateParser.parse_period('today', z)
>>> (datetime.datetime(2018, 10, 10, 0, 0), datetime.datetime(2018, 10, 11, 0, 0))

DateParser.parse_period('tomorrow', z)
>>> (datetime.datetime(2018, 10, 11, 0, 0), datetime.datetime(2018, 10, 12, 0, 0))