We have some domains containing `_`, like prod_conv.culture.gouv.fr.

Although they can't be used in URLs, they are valid domains according
to RFC 2782.

As this repo is named "noms de domaines" not "URLs", I think we should
allow them.

scripts/check.py

@@ -31,7 +31,7 @@ def check_is_sorted(file, lines):
 
 
 def check_is_valid_domain(file, lineno, line):
-    if not validators.domain(line):
+    if not validators.domain(line, rfc_2782=True):
         err(f"{file}:{lineno}: {line!r} does not looks like a domain name.")
 
 

scripts/requirements.txt

 tqdm
 aiohttp
-validators
+validators>=0.24.0  # where they introduced rfc_2782.
 psycopg2
 requests