Python3.12(on Ubuntu 24.04) SyntaxWarning issues

[birlorg]

I'm brand new to piku, and setting it up on on Ubuntu 24.04 LTS, which runs python 3.12 now(Python 3.12.3).

In Python3.12 deprecated escape sequence issues have been upgraded to SyntaxWarning

/home/piku/piku.py:110: SyntaxWarning: invalid escape sequence '\.'
  NGINX_COMMON_FRAGMENT = """
/home/piku/piku.py:216: SyntaxWarning: invalid escape sequence '\*'
  CRON_REGEXP = "^((?:(?:\*\/)?\d+)|\*) ((?:(?:\*\/)?\d+)|\*) ((?:(?:\*\/)?\d+)|\*) ((?:(?:\*\/)?\d+)|\*) ((?:(?:\*\/)?\d+)|\*) (.*)$"
/home/piku/piku.py:852: SyntaxWarning: invalid escape sequence '\.'
  env['PIKU_INTERNAL_NGINX_BLOCK_GIT'] = "" if env.get('NGINX_ALLOW_GIT_FOLDERS') else "location ~ /\.git { deny all; }"

It's been deprecated since Python 3.6:

A backslash-character pair that is not a valid escape sequence now generates a DeprecationWarning. Although this will eventually become a SyntaxError, that will not be for several Python releases. (Contributed by Emanuel Barry in bpo-27364.)

• https://docs.python.org/dev/whatsnew/3.6.html#deprecated-python-behavior

[rcarmo]

Thanks. Those should be just a matter of adding the 'r' prefix, but I will test them on a 24.04 machine.

[birlorg]

I agree, it seems to work for me with r prefix, but I don't really know how piku is supposed to work, so maybe I broke stuff I don't even know about.

[rcarmo]

It’s not broken-the ‘r’ prefix denotes regular expression rules apply to those string blocks.

[rcarmo]

Closed via #704372c.

[abdulbasetbasher]

ssh piku@xxxxxx

/home/piku/piku.py:977: SyntaxWarning: invalid escape sequence '\.'
  nginx_config_test = str(check_output("nginx -t 2>&1 | grep -E '{}\.conf:[0-9]+$'".format(app), env=environ, shell=True))

i think this related to same bug on Python3.12