[Solved] Install Python module legacy-cgi

[man95]

Apologies if my language is rude,

I just uploaded an old program of mine—from before last May crash—and it runs perfectly on my computer. However, as soon as I uploaded it, it broke like a shit, and the worst part is that the logs never tell me what the hell is wrong.

I’ve tried changing permissions and following tutorials, but I’m still getting a 500 Internal Server Error.

Please help me. Thx.

[Unknown025]

An administrator will be able to look into this for you. What kind of program are you trying to deploy?

[man95]

2 hours ago, Unknown025 said:

An administrator will be able to look into this for you.

Yes, this is really what I needed. Thank you very much for your attention

Edited 17 hours ago by man95

[man95]

2 hours ago, Unknown025 said:

What kind of program are you trying to deploy?

Not too complex, just a regular CGI program.

Edited 17 hours ago by man95

[wolstech]

The error logs do in fact show what's wrong with your program. This is what I found when I logged in as you and checked your error logs.

Quote

AH01215: stderr from /home/man95.helioho.st/httpdocs/pustaka/pelajar.py: ModuleNotFoundError: No module named 'cgi', referer: https://man95.helioho.st/pustaka/

The built in Python cgi module is no longer supported as of version 3.13. The old server had 3.12 so it could run it, but the new one is 3.14 and cannot.

[man95]

9 hours ago, wolstech said:

The error logs do in fact show what's wrong with your program. This is what I found when I logged in as you and checked your error logs.

 

I don't know how, but my logs before 2026-07-11 07:00:00 are only like this:

2026-07-11 06:59:49	Error	2404:c0:1c92:164b:39c5:ae4:d6a2:d23f	500	POST /pustaka/pelajar.py HTTP/1.1			4.38 K	Apache SSL/TLS access
2026-07-11 06:59:49	Error	2404:c0:1c92:164b:39c5:ae4:d6a2:d23f		AH01215: stderr from /home/man95.helioho.st/httpdocs/pustaka/pelajar.py: failed to open log file /var/log/httpd/suexec_log, referer: https://man95.helioho.st/pustaka/				Apache error
2026-07-11 06:59:49	Error	2404:c0:1c92:164b:39c5:ae4:d6a2:d23f		AH01215: stderr from /home/man95.helioho.st/httpdocs/pustaka/pelajar.py: fopen: Permission denied, referer: https://man95.helioho.st/pustaka/				Apache error
2026-07-11 06:59:49	Error	2404:c0:1c92:164b:39c5:ae4:d6a2:d23f		End of script output before headers: pelajar.py, referer: https://man95.helioho.st/pustaka/				Apache error

Edited 3 hours ago by man95

[man95]

9 hours ago, wolstech said:

The built in Python cgi module is no longer supported as of version 3.13. The old server had 3.12 so it could run it, but the new one is 3.14 and cannot.

Can you install legacy-cgi? ( https://pypi.org/project/legacy-cgi/ )

It works on my computer. I'm using Python 3.14.

Edited 3 hours ago by man95

[wolstech]

Krydos might be able to install that module for you.

As for those other logs, odds are either your domain was still setting up, or your permissions were wrong at that time.

[Krydos]

Installed. You can see the current list of installed modules for Johnny's Python 3.14 at https://johnny-info.heliohost.org/pyinfo/info3.14.py

[man95]

Thank you all @Krydos @wolstech @Unknown025