patch 6493c04f9d8bdb7b1d2c037fdd66c337a7a91af5

Author: E. Bosch <presidev@AT@gmail.com>

Date: Sun May 31 00:26:34 CEST 2026

* utils: Modify sanitize_filename(): convert invalid chars to hex representation,

this makes the filenames deterministic for the same session,

and helps to not download a file more than once

--- old-irgramd/utils.py 2026-06-09 15:04:18.665924463 +0200

+++ new-irgramd/utils.py 2026-06-09 15:04:18.665924463 +0200

@@ -18,7 +18,7 @@

# Constants

-FILENAME_INVALID_CHARS = re.compile('[/{}<>()"\'\\|&#%?]')

+FILENAME_INVALID_CHARS = re.compile('[\0-\x1F/{}<>"\'\\|*&#%?\x7F]')

SIMPLE_URL = re.compile('http(|s)://[^ ]+')

from include import MAX_LINE

@@ -87,12 +87,11 @@

return messages_limited

def sanitize_filename(fn):

- cn = str(sanitize_filename.cn)

- new_fn, ns = FILENAME_INVALID_CHARS.subn(cn, fn)

- if ns:

- sanitize_filename.cn += 1

- return new_fn.strip('-').replace(' ','_')

-sanitize_filename.cn = 0

+ def hexize(m):

+ return '-{:x}-'.format(ord(m.group(0)))

+

+ new_fn = FILENAME_INVALID_CHARS.sub(hexize, fn)

+ return new_fn.lstrip('-').replace(' ','_')

def add_filename(filename, add):

if add: