CODEWITHSUNDEEP
pythondateparsing
And0rian
And0rian

Reputation: 170

Strange behaviour with dateutil.parser

May someone explain me why I have this behaviour with the 't' parameter 

from dateutil.parser import parse
parse('t')

Out[4]: datetime.datetime(2016, 4, 28, 0, 0)

When I except :

parse('z')

Traceback (most recent call last):
[...]
ValueError: Unknown string format

Upvotes: 2

Views: 127

Answers (1)

alecxe
alecxe

Reputation: 473873

t is a special case since it is one of the "jump" values (it's usage while parsing is here):

JUMP = [" ", ".", ",", ";", "-", "/", "'",
        "at", "on", "and", "ad", "m", "t", "of",
        "st", "nd", "rd", "th"]

In other words, parsing t, m would not result into an "Unknown string format" error.

The z is a special case too since it can have a special meaning - "zulu"/"zero offset" (which is part of the ISO 8601 standard), but that does not affect the results much, parse("q") or parse("u") would also produce an "Unknown string format" error.

Both parse("t") and parse("z") would result into a default/current date in "fuzzy" mode:

>>> parse('t', fuzzy=True)
datetime.datetime(2016, 4, 28, 0, 0)
>>> parse('z', fuzzy=True)
datetime.datetime(2016, 4, 28, 0, 0)

Upvotes: 1

Related Questions