8000 disable VERIFY_X509_STRICT for Python 3.13 support by methane · Pull Request #1198 · PyMySQL/PyMySQL · GitHub
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disable VERIFY_X509_STRICT for Python 3.13 support #1198

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Merged
merged 1 commit into from
Jan 14, 2025
Merged

disable VERIFY_X509_STRICT for Python 3.13 support #1198

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6 changes: 6 additions & 0 deletions pymysql/connections.py
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Original file line number Diff line number Diff line change
Expand Up @@ -377,6 +377,12 @@ def _create_ssl_ctx(self, sslp):
capath = sslp.get("capath")
hasnoca = ca is None and capath is None
ctx = ssl.create_default_context(cafile=ca, capath=capath)

# Python 3.13 enables VERIFY_X509_STRICT by default.
# But self signed certificates that are generated by MySQL automatically
# doesn't pass the verification.
ctx.verify_flags &= ~ssl.VERIFY_X509_STRICT

ctx.check_hostname = not hasnoca and sslp.get("check_hostname", True)
verify_mode_value = sslp.get("verify_mode")
if verify_mode_value is None:
Expand Down
24 changes: 12 additions & 12 deletions pymysql/tests/test_connection.py
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Original file line number Diff line number Diff line change
Expand Up @@ -558,7 +558,7 @@ def test_defer_connect(self):
sock.close()

def test_ssl_connect(self):
dummy_ssl_context = mock.Mock(options=0)
dummy_ssl_context = mock.Mock(options=0, verify_flags=0)
with mock.patch("pymysql.connections.Connection.connect"), mock.patch(
"pymysql.connections.ssl.create_default_context",
new=mock.Mock(return_value=dummy_ssl_context),
Expand All @@ -581,7 +581,7 @@ def test_ssl_connect(self):
)
dummy_ssl_context.set_ciphers.assert_called_with("cipher")

dummy_ssl_context = mock.Mock(options=0)
dummy_ssl_context = mock.Mock(options=0, verify_flags=0)
with mock.patch("pymysql.connections.Connection.connect"), mock.patch(
"pymysql.connections.ssl.create_default_context",
new=mock.Mock(return_value=dummy_ssl_context),
Expand All @@ -603,7 +603,7 @@ def test_ssl_connect(self):
)
dummy_ssl_context.set_ciphers.assert_not_called

dummy_ssl_context = mock.Mock(options=0)
dummy_ssl_context = mock.Mock(options=0, verify_flags=0)
with mock.patch("pymysql.connections.Connection.connect"), mock.patch(
"pymysql.connections.ssl.create_default_context",
new=mock.Mock(return_value=dummy_ssl_context),
Expand All @@ -626,7 +626,7 @@ def test_ssl_connect(self):
)
dummy_ssl_context.set_ciphers.assert_not_called

dummy_ssl_context = mock.Mock(options=0)
dummy_ssl_context = mock.Mock(options=0, verify_flags=0)
with mock.patch("pymysql.connections.Connection.connect"), mock.patch(
"pymysql.connections.ssl.create_default_context",
new=mock.Mock(return_value=dummy_ssl_context),
Expand All @@ -640,7 +640,7 @@ def test_ssl_connect(self):
dummy_ssl_context.load_cert_chain.assert_not_called
dummy_ssl_context.set_ciphers.assert_not_called

dummy_ssl_context = mock.Mock(options=0)
dummy_ssl_context = mock.Mock(options=0, verify_flags=0)
with mock.patch("pymysql.connections.Connection.connect"), mock.patch(
"pymysql.connections.ssl.create_default_context",
new=mock.Mock(return_value=dummy_ssl_context),
Expand All @@ -661,7 +661,7 @@ def test_ssl_connect(self):
dummy_ssl_context.set_ciphers.assert_not_called

for ssl_verify_cert in (True, "1", "yes", "true"):
dummy_ssl_context = mock.Mock(options=0)
dummy_ssl_context = mock.Mock(options=0, verify_flags=0)
with mock.patch("pymysql.connections.Connection.connect"), mock.patch(
"pymysql.connections.ssl.create_default_context",
new=mock.Mock(return_value=dummy_ssl_context),
Expand All @@ -682,7 +682,7 @@ def test_ssl_connect(self):
dummy_ssl_context.set_ciphers.assert_not_called

for ssl_verify_cert in (None, False, "0", "no", "false"):
dummy_ssl_context = mock.Mock(options=0)
dummy_ssl_context = mock.Mock(options=0, verify_flags=0)
with mock.patch("pymysql.connections.Connection.connect"), mock.patch(
"pymysql.connections.ssl.create_default_context",
new=mock.Mock(return_value=dummy_ssl_context),
Expand All @@ -704,7 +704,7 @@ def test_ssl_connect(self):

for ssl_ca in ("ca", None):
for ssl_verify_cert in ("foo", "bar", ""):
dummy_ssl_context = mock.Mock(options=0)
dummy_ssl_context = mock.Mock(options=0, verify_flags=0)
with mock.patch("pymysql.connections.Connection.connect"), mock.patch(
"pymysql.connections.ssl.create_default_context",
new=mock.Mock(return_value=dummy_ssl_context),
Expand All @@ -727,7 +727,7 @@ def test_ssl_connect(self):
)
dummy_ssl_context.set_ciphers.assert_not_called

dummy_ssl_context = mock.Mock(options=0)
dummy_ssl_context = mock.Mock(options=0, verify_flags=0)
with mock.patch("pymysql.connections.Connection.connect"), mock.patch(
"pymysql.connections.ssl.create_default_context",
new=mock.Mock(return_value=dummy_ssl_context),
Expand All @@ -748,7 +748,7 @@ def test_ssl_connect(self):
)
dummy_ssl_context.set_ciphers.assert_not_called

dummy_ssl_context = mock.Mock(options=0)
dummy_ssl_context = mock.Mock(options=0, verify_flags=0)
with mock.patch("pymysql.connections.Connection.connect"), mock.patch(
"pymysql.connections.ssl.create_default_context",
new=mock.Mock(return_value=dummy_ssl_context),
Expand All @@ -770,7 +770,7 @@ def test_ssl_connect(self):
)
dummy_ssl_context.set_ciphers.assert_not_called

dummy_ssl_context = mock.Mock(options=0)
dummy_ssl_context = mock.Mock(options=0, verify_flags=0)
with mock.patch("pymysql.connections.Connection.connect"), mock.patch(
"pymysql.connections.ssl.create_default_context",
new=mock.Mock(return_value=dummy_ssl_context),
Expand All @@ -785,7 +785,7 @@ def test_ssl_connect(self):
)
assert not create_default_context.called

dummy_ssl_context = mock.Mock(options=0)
dummy_ssl_context = mock.Mock(options=0, verify_flags=0)
with mock.patch("pymysql.connections.Connection.connect"), mock.patch(
"pymysql.connections.ssl.create_default_context",
new=mock.Mock(return_value=dummy_ssl_context),
Expand Down
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