python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/test/test_smtpnet.py

@@ -0,0 +1,83 @@
+import unittest
+from test import support
+import smtplib
+import socket
+
+ssl = support.import_module("ssl")
+
+support.requires("network")
+
+def check_ssl_verifiy(host, port):
+    context = ssl.create_default_context()
+    with socket.create_connection((host, port)) as sock:
+        try:
+            sock = context.wrap_socket(sock, server_hostname=host)
+        except Exception:
+            return False
+        else:
+            sock.close()
+            return True
+
+
+class SmtpTest(unittest.TestCase):
+    testServer = 'smtp.gmail.com'
+    remotePort = 587
+
+    def test_connect_starttls(self):
+        support.get_attribute(smtplib, 'SMTP_SSL')
+        context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+        with support.transient_internet(self.testServer):
+            server = smtplib.SMTP(self.testServer, self.remotePort)
+            try:
+                server.starttls(context=context)
+            except smtplib.SMTPException as e:
+                if e.args[0] == 'STARTTLS extension not supported by server.':
+                    unittest.skip(e.args[0])
+                else:
+                    raise
+            server.ehlo()
+            server.quit()
+
+
+class SmtpSSLTest(unittest.TestCase):
+    testServer = 'smtp.gmail.com'
+    remotePort = 465
+
+    def test_connect(self):
+        support.get_attribute(smtplib, 'SMTP_SSL')
+        with support.transient_internet(self.testServer):
+            server = smtplib.SMTP_SSL(self.testServer, self.remotePort)
+            server.ehlo()
+            server.quit()
+
+    def test_connect_default_port(self):
+        support.get_attribute(smtplib, 'SMTP_SSL')
+        with support.transient_internet(self.testServer):
+            server = smtplib.SMTP_SSL(self.testServer)
+            server.ehlo()
+            server.quit()
+
+    def test_connect_using_sslcontext(self):
+        context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+        support.get_attribute(smtplib, 'SMTP_SSL')
+        with support.transient_internet(self.testServer):
+            server = smtplib.SMTP_SSL(self.testServer, self.remotePort, context=context)
+            server.ehlo()
+            server.quit()
+
+    def test_connect_using_sslcontext_verified(self):
+        with support.transient_internet(self.testServer):
+            can_verify = check_ssl_verifiy(self.testServer, self.remotePort)
+            if not can_verify:
+                self.skipTest("SSL certificate can't be verified")
+
+        support.get_attribute(smtplib, 'SMTP_SSL')
+        context = ssl.create_default_context()
+        with support.transient_internet(self.testServer):
+            server = smtplib.SMTP_SSL(self.testServer, self.remotePort, context=context)
+            server.ehlo()
+            server.quit()
+
+
+if __name__ == "__main__":
+    unittest.main()