A python durations parsing library.
A python durations parsing library, providing a straight-forward API to parse duration string representations such as
1 day 2 hours or
2 days 3h 26m 52s and convert them to numeric values.
What and Why
It's easier and more straight forward to read a duration expressed in natural language (at least for a human), as an expression rather than an amount. When writing configuration files for example:
interval: 3 hours
is easier to understand for a human than
interval: 10800 # seconds
durations_nlp can be installed via pip:
$ pip install durations_nlp
To parse a duration string representation, just instantiate a Duration object and let it work for you. A Duration representation is composed of as many
<value><scale> pairs as you need to express it:
- A value is an integer amount.
- A scale is a duration unit in it's short or long form (both singular and plural).
- Duration pairs can be separated with sep characters and expressions such as
2 days and 4 hours
4M, 22d and 6hours
from durations_nlp import Duration one_hour = "1hour" one_hour_duration = Duration(one_hour) one_hour_duration.to_seconds() # >>> 3600.0 one_hour_duration.to_minutes() # >>> 60.0 # You can even compose durations in their short # and long variations two_days_three_hours = "2 days, 3h" two_days_three_hours_duration = Duration(two_days_three_hours) two_days_three_hours_duration.to_seconds() # >>> 183600.0 two_days_three_hours_duration.to_hours() # >>> 51.0
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