From: Daniele Varrazzo <daniele.varrazzo@gmail.com>
Date: Wed, 20 Oct 2021 11:16:42 +0000 (+0200)
Subject: Fix wrong error message on unknown PostgreSQL encoding
X-Git-Tag: 3.0.2~32
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c0d13eb05bf9acc71afec43a95cbce6e20b844e;p=thirdparty%2Fpsycopg.git

Fix wrong error message on unknown PostgreSQL encoding

Reported in #122.
---

diff --git a/psycopg/psycopg/_encodings.py b/psycopg/psycopg/_encodings.py
index 705e1cadf..0d917466a 100644
--- a/psycopg/psycopg/_encodings.py
+++ b/psycopg/psycopg/_encodings.py
@@ -88,4 +88,6 @@ def pg2pyenc(name: Union[bytes, str]) -> str:
     try:
         return py_codecs[name]
     except KeyError:
-        raise NotSupportedError("codec not available in Python: {name!r}")
+        if isinstance(name, bytes):
+            name = name.decode("utf8", "replace")
+        raise NotSupportedError(f"codec not available in Python: {name!r}")