Issue #16324: _charset parameter of MIMEText now also accepts email.charset.Charset instances.

Initial patch by Claude Paroz.

2 files changed, 7 insertions, 0 deletions

diff --git a/Lib/email/mime/text.py b/Lib/email/mime/text.py
index ec18b85..479928e 100644
--- a/Lib/email/mime/text.py
+++ b/Lib/email/mime/text.py
@@ -6,6 +6,7 @@
 
 __all__ = ['MIMEText']
 
+from email.charset import Charset
 from email.mime.nonmultipart import MIMENonMultipart
 
 
@@ -34,6 +35,8 @@ class MIMEText(MIMENonMultipart):
                 _charset = 'us-ascii'
             except UnicodeEncodeError:
                 _charset = 'utf-8'
+        if isinstance(_charset, Charset):
+            _charset = str(_charset)
 
         MIMENonMultipart.__init__(self, 'text', _subtype,
                                   **{'charset': _charset})
diff --git a/Lib/test/test_email/test_email.py b/Lib/test/test_email/test_email.py
index c3ecd0ab..d16d461 100644
--- a/Lib/test/test_email/test_email.py
+++ b/Lib/test/test_email/test_email.py
@@ -1636,6 +1636,10 @@ class TestMIMEText(unittest.TestCase):
         msg = MIMEText('hello there', _charset='us-ascii')
         eq(msg.get_charset().input_charset, 'us-ascii')
         eq(msg['content-type'], 'text/plain; charset="us-ascii"')
+        # Also accept a Charset instance
+        msg = MIMEText('hello there', _charset=Charset('utf-8'))
+        eq(msg.get_charset().input_charset, 'utf-8')
+        eq(msg['content-type'], 'text/plain; charset="utf-8"')
 
     def test_7bit_input(self):
         eq = self.assertEqual