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datetime_truncate

This module truncates a datetime object to the level of precision that you specify, making everything higher than that zero (or one for day and month).

It is based on PostgreSQL's DATE_TRUNC.

Documentation available on Read the Docs.

Installation:

You can install from pypi!

pip install datetime_truncate

Usage:

>>> from datetime_truncate import truncate
>>> truncate(datetime(2012, 2, 4, 12, 24, 50, 234), 'second')
datetime(2012, 2, 4, 12, 24, 50)
>>> truncate(datetime(2012, 2, 4, 12, 24, 50), 'minute')
datetime(2012, 2, 4, 12, 24)
>>> truncate(datetime(2012, 2, 4, 12, 24), 'hour')
datetime(2012, 2, 4, 12)
>>> truncate(datetime(2012, 2, 4, 12, 24), 'day')
datetime(2012, 2, 4)
>>> truncate(datetime(2012, 2, 4, 12, 24), 'week')
datetime(2012, 1, 30)
>>> truncate(datetime(2012, 2, 4, 12, 24), 'month')
datetime(2012, 2, 1)
>>> truncate(datetime(2012, 2, 4, 12, 24), 'quarter')
datetime(2012, 1, 1)
>>> truncate(datetime(2012, 8, 18, 12, 25), 'half_year')
datetime(2012, 7, 1)
>>> truncate(datetime(2012, 8, 18, 12, 25), 'year')
datetime(2012, 1, 1)

There are also sugar functions available on the form:

  • truncate_second
  • truncate_minute
  • truncate_hour
  • truncate_day
  • truncate_week
  • truncate_month
  • truncate_quarter
  • truncate_half_year
  • truncate_year