How to fix dateutil.parser._parser.ParserError: Unknown string format error?

Question

I have the following error on a code sample:

raise ParserError("Unknown string format: %s", timestr)
dateutil.parser._parser.ParserError: Unknown string format: Fall Semester 2018 Printed: Caux, 15/01/2021

Following is the code sample:

import dateutil.parser as dparser

text = 'Fall Semester 2018 Printed: Caux, 15/01/2021'
date_value = dparser.parse(text)
print(date_value)

parser take date type format in a string form and then convert it. extract date and feed it to parser — Mehmaam
– Mehmaam, Commented Oct 17, 2022 at 12:20
I found the issue, just because there are two date types and '2018' and '15/01/2021', the dparser is failing to select one out of them @Mehmaam — ezpz4pc
– ezpz4pc, Commented Oct 18, 2022 at 7:04

mkrieger1 · Accepted Answer · 2022-10-17 11:53:32Z

1

dateutil.parser was not able to parse the string 'Fall Semester 2018 Printed: Caux, 15/01/2021' as a date.

You need to pass a string to it which it is able to parse.

Try splitting the string at the comma and passing only '15/01/2021'.

Alternatively, try setting the fuzzy or fuzzy_with_tokens parameters to True. This makes the parser more tolerant regarding the input format.

answered Oct 17, 2022 at 11:53

mkrieger1

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2 Comments

ezpz4pc Over a year ago

okay, but if I have to pass '15/01/2021' specifically by splitting, than what is the use of dateutil.parser?

mkrieger1 Over a year ago

To convert the string '15/01/2021' to a datetime.datetime(2021, 1, 15).

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