From: Daniele Varrazzo <daniele.varrazzo@gmail.com>
Date: Fri, 7 Aug 2020 00:52:23 +0000 (+0100)
Subject: Added guard to avoid importing psycog3_c without psycopg3
X-Git-Tag: 3.0.dev0~458^2~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7e6db11247d75bc00e754906cfe8e90ce54777f0;p=thirdparty%2Fpsycopg.git

Added guard to avoid importing psycog3_c without psycopg3

Doing so result in mysterious import error.
---

diff --git a/psycopg3_c/psycopg3_c/__init__.py b/psycopg3_c/psycopg3_c/__init__.py
index 8ab3af86f..9093563a7 100644
--- a/psycopg3_c/psycopg3_c/__init__.py
+++ b/psycopg3_c/psycopg3_c/__init__.py
@@ -4,4 +4,13 @@ psycopg3 -- PostgreSQL database adapter for Python -- C optimization package
 
 # Copyright (C) 2020 The Psycopg Team
 
+import sys
+
+# This package shouldn't be imported before psycopg3 itself, or weird things
+# will happen
+if "psycopg3" not in sys.modules:
+    raise ImportError(
+        "the psycopg3 package should be imported before psycopg3_c"
+    )
+
 from .version import __version__  # noqa