# Procedure for installing python libraries from source

**URL:** <https://forum.inductiveautomation.com/t/procedure-for-installing-python-libraries-from-source/26022>\
**Category:** Ignition\
**Created:** [June 21, 2019, 6:07pm UTC](https://forum.inductiveautomation.com/t/procedure-for-installing-python-libraries-from-source/26022 "2019-06-21T18:07:46Z")\
**Posts on this page:** 1\
**Showing post:** 33

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**Author:** ![Lynn\_Martineau](https://avatars.discourse-cdn.com/v4/letter/l/f1d935/32.png) [@Lynn\_Martineau](https://forum.inductiveautomation.com/u/Lynn_Martineau)\
**Post date:** [November 26, 2025, 4:12pm UTC](https://forum.inductiveautomation.com/t/procedure-for-installing-python-libraries-from-source/26022/33 "2025-11-26T16:12:18Z")

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Thanks 👍

I’ve been following that and a handful of other posts (like the title of this one) but so far, just can’t get from A to B.

Found this post: [Calling Web API using windows(NTLM) authentication - General Discussion - Inductive Automation Forum](https://forum.inductiveautomation.com/t/calling-web-api-using-windows-ntlm-authentication/90365)

> [@Calling Web API using windows(NTLM) authentication](https://forum.inductiveautomation.com/t/calling-web-api-using-windows-ntlm-authentication/90365/2):
>
> There's no support for NTLM authentication in either the old `system.net` functions or the newer `system.net.httpClient` functions. You won't be able to call this API if that's the only authentication mechanism supported.

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