From 78c5c37249f18d7fefbeb086db848c9bf52fb6cc Mon Sep 17 00:00:00 2001
From: Zackery Spytz <zspytz@gmail.com>
Date: Wed, 22 Jan 2020 13:20:13 -0700
Subject: [PATCH] bpo-24337: Implement email.message.Message.__repr__()

---
 Lib/email/message.py                                       | 4 ++++
 Lib/test/test_email/test_email.py                          | 7 +++++++
 .../next/Library/2020-01-22-13-19-44.bpo-24337.ORTuPh.rst  | 1 +
 3 files changed, 12 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Library/2020-01-22-13-19-44.bpo-24337.ORTuPh.rst

diff --git a/Lib/email/message.py b/Lib/email/message.py
index 12626026179..408d1c68cd1 100644
--- a/Lib/email/message.py
+++ b/Lib/email/message.py
@@ -134,6 +134,10 @@ class Message:
         """
         return self.as_string()
 
+    def __repr__(self):
+        return f"{self.__class__.__name__} with {len(self._headers)} " \
+               f"headers and Content-Type {self._default_type}"
+
     def as_string(self, unixfrom=False, maxheaderlen=0, policy=None):
         """Return the entire formatted message as a string.
 
diff --git a/Lib/test/test_email/test_email.py b/Lib/test/test_email/test_email.py
index 8ec39190ea8..14f635f4819 100644
--- a/Lib/test/test_email/test_email.py
+++ b/Lib/test/test_email/test_email.py
@@ -302,6 +302,13 @@ class TestMessageAPI(TestEmailBase):
         self.assertTrue(lines[0].startswith('From '))
         self.assertEqual(text, NL.join(lines[1:]))
 
+    def test_repr(self):
+        msg = self._msgobj('msg_01.txt')
+        self.assertIn('Content-Type text/plain', repr(msg))
+        self.assertIn('Message', repr(msg))
+        self.assertEqual(repr(Message()),
+                         'Message with 0 headers and Content-Type text/plain')
+
     def test_as_string_policy(self):
         msg = self._msgobj('msg_01.txt')
         newpolicy = msg.policy.clone(linesep='\r\n')
diff --git a/Misc/NEWS.d/next/Library/2020-01-22-13-19-44.bpo-24337.ORTuPh.rst b/Misc/NEWS.d/next/Library/2020-01-22-13-19-44.bpo-24337.ORTuPh.rst
new file mode 100644
index 00000000000..847d2a72bfd
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2020-01-22-13-19-44.bpo-24337.ORTuPh.rst
@@ -0,0 +1 @@
+Implement ``__repr__()`` for :class:`email.message.Message`.