Python strptime parse timezone format "GMT -H"-CodePudding

I'm using python 3.7 and trying to figure out the correct format to get this code to work

dt = datetime.strptime("4 January 2022, 22:03 GMT-5", "%-d %b %Y, %H:%M %Zz")

The above line always fails. Is there something I can do to get it to parse? I am assuming its failing on the "GMT-5 part"

Edit: Adding context, the input string is scraped from a website so I need to find a way to turn it into a python datetime object so by code can understand when the event took place. Im not really sure how I could "In Code" change the input to match the required format of strptime

CodePudding user response：

You're using the wrong format for the month and invalid text for the UTC offset (it has to be four digits, as described in the documentation):

>>> datetime.datetime.strptime("4 January 2022, 22:03 GMT-0500", "%d %B %Y, %H:%M %Z%z")
datetime.datetime(2022, 1, 4, 22, 3, tzinfo=datetime.timezone(datetime.timedelta(days=-1, seconds=68400), 'GMT'))

CodePudding user response：

%z parsing directive won't parse an hour-only UTC offset, but you can derive a timezone object from a timedelta and set it like

from datetime import datetime, timedelta, timezone

s = "4 January 2022, 22:03 GMT-5"

parts = s.split('GMT')

dt = (datetime.strptime(parts[0].strip(), "%d %B %Y, %H:%M") # parse to datetime w/o offset
          .replace(tzinfo=timezone(timedelta(hours=int(parts[1]))))) # add UTC offset

print(dt)
# 2022-01-04 22:03:00-05:00