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-rw-r--r--Lib/email/generator.py2
-rw-r--r--Lib/email/test/test_email.py25
-rw-r--r--Misc/NEWS3
3 files changed, 28 insertions, 2 deletions
diff --git a/Lib/email/generator.py b/Lib/email/generator.py
index f0e7a95..430ee73 100644
--- a/Lib/email/generator.py
+++ b/Lib/email/generator.py
@@ -360,7 +360,7 @@ class BytesGenerator(Generator):
for h, v in msg._headers:
self.write('%s: ' % h)
if isinstance(v, Header):
- self.write(v.encode(maxlinelen=self._maxheaderlen)+NL)
+ self.write(v.encode(maxlinelen=self._maxheaderlen)+self._NL)
elif _has_surrogates(v):
# If we have raw 8bit data in a byte string, we have no idea
# what the encoding is. There is no safe way to split this
diff --git a/Lib/email/test/test_email.py b/Lib/email/test/test_email.py
index f43bb38..5655938 100644
--- a/Lib/email/test/test_email.py
+++ b/Lib/email/test/test_email.py
@@ -1243,7 +1243,6 @@ List: List-Unsubscribe:
=?utf-8?q?_folding_white_space_works?=""")+'\n')
-
# Test mangling of "From " lines in the body of a message
class TestFromMangling(unittest.TestCase):
def setUp(self):
@@ -3441,6 +3440,30 @@ class Test8BitBytesHandling(unittest.TestCase):
g.flatten(msg)
self.assertEqual(s.getvalue(), source)
+ def test_bytes_generator_b_encoding_linesep(self):
+ # Issue 14062: b encoding was tacking on an extra \n.
+ m = Message()
+ # This has enough non-ascii that it should always end up b encoded.
+ m['Subject'] = Header('žluťoučký kůň')
+ s = BytesIO()
+ g = email.generator.BytesGenerator(s)
+ g.flatten(m, linesep='\r\n')
+ self.assertEqual(
+ s.getvalue(),
+ b'Subject: =?utf-8?b?xb5sdcWlb3XEjWvDvSBrxa/FiA==?=\r\n\r\n')
+
+ def test_generator_b_encoding_linesep(self):
+ # Since this broke in ByteGenerator, test Generator for completeness.
+ m = Message()
+ # This has enough non-ascii that it should always end up b encoded.
+ m['Subject'] = Header('žluťoučký kůň')
+ s = StringIO()
+ g = email.generator.Generator(s)
+ g.flatten(m, linesep='\r\n')
+ self.assertEqual(
+ s.getvalue(),
+ 'Subject: =?utf-8?b?xb5sdcWlb3XEjWvDvSBrxa/FiA==?=\r\n\r\n')
+
maxDiff = None
diff --git a/Misc/NEWS b/Misc/NEWS
index b4dcf82..6d6268c 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -22,6 +22,9 @@ Core and Builtins
Library
-------
+- Issue #14062: Header objects now correctly respect the 'linesep' setting
+ when processed by BytesParser (which smtplib.SMTP.send_message uses).
+
- Issue #14291: Email now defaults to utf-8 for non-ASCII unicode headers
instead of raising an error. This fixes a regression relative to 2.7.