From bc8da3ddd59753aa4b7703be37fe58d3e12087db Mon Sep 17 00:00:00 2001
From: Nagico <yjr888@vip.qq.com>
Date: Wed, 28 Dec 2022 00:55:34 +0800
Subject: [PATCH] Add invalid port exception

---
 dj_database_url.py      | 2 +-
 test_dj_database_url.py | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/dj_database_url.py b/dj_database_url.py
index 375c321..55959a2 100644
--- a/dj_database_url.py
+++ b/dj_database_url.py
@@ -165,7 +165,7 @@ def parse(
         if engine == "djongo":  # compatible with multiple host:port
             port = None
         else:
-            raise e
+            raise ValueError(f'Port parse error: {e}')
 
     # Update with environment configuration.
     parsed_config.update(
diff --git a/test_dj_database_url.py b/test_dj_database_url.py
index 0371e31..8f38df4 100644
--- a/test_dj_database_url.py
+++ b/test_dj_database_url.py
@@ -653,6 +653,10 @@ def test_bad_url_parsing(self):
         with self.assertRaisesRegex(ValueError, "No support for 'foo'. We support: "):
             dj_database_url.parse("foo://bar")
 
+    def test_bad_port_parsing(self):
+        with self.assertRaisesRegex(Exception, "Port parse error"):
+            dj_database_url.parse("mysql://foo:bar@localhost:65536/db")
+
 
 if __name__ == "__main__":
     unittest.main()