SharePoint Custom Fields (Single line of text) - Gets cast to Python Pendulam DateTime

Hi Everyone, doing a simple call to a SharePoint Document library to return the custom metadata fields related to a file. What's interesting is I can set the column type to 'Single line of text' in SharePoint but if I put certain numbers into the column it returns as a datetime object.

If I put text in the field on SharePoint it returns correctly as text or even if I put enough numbers it returns as text as well.

In the example below the Doc_ID column in SharePoint contains the numbers 1212.

result = await (
        client.drives.by_drive_id(drive_id)
        .items.by_drive_item_id(drive_item_id)
        .list_item.get()
    )

print(result.fields.additional_data["Doc_x0020_ID"])
print(type(result.fields.additional_data["Doc_x0020_ID"]))

Output:

1212-01-01 00:00:00+00:00
<class 'pendulum.datetime.DateTime'>

This seems like unexpected behavior?

I am seeing a similar issues when querying entraid attributes. Any value that has a 4-digit numerical value is being returned as a datetime object instead of a string. If I get the raw http response the value is returned as a string correctly. It would be great if this was looked into and resolved as I prefer not to have to get the native HTTPX response.

Hello, and thanks for continued use of the SDK and for raising this.
As we look into our serialization to give a consistent behaviour, would you cast the result to a string/datetime object for now:

Pendulum to string

# Cast Pendulum DateTime to string
pendulum_datetime_string = pendulum_datetime.to_iso8601_string()
print("Pendulum DateTime as string (ISO 8601 format):", pendulum_datetime_string)

string to pendulum

# Parse the string to Pendulum DateTime object
pendulum_datetime = pendulum.parse(pendulum_datetime_if_string)

Shem Ogumbe (@shemogumbe)

Shem Ogumbe (@shemogumbe) I am not really sure how that is helpful? Are you suggesting I cast this to a string then truncate the string to get the 4 digit value. That sounds like a messy solution to be honest.

I have actually just implemented georgethomasii suggestion to just get the raw response and get the metadata more reliably there.

Anyone still dealing with this issue:
microsoft/kiota-python/pull/664
merged and released last week. Latest version has the real fix.

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SharePoint Custom Fields (Single line of text) - Gets cast to Python Pendulam DateTime #653

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SharePoint Custom Fields (Single line of text) - Gets cast to Python Pendulam DateTime #653

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georgethomasii commented on Apr 8, 2024

shemogumbe commented on Apr 23, 2024

nikhilmakan02 commented on Apr 23, 2024

56badkarma commented on Aug 19, 2026

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