#10686: recode non-ASCII headers to 'unknown-8bit' instead of ?s.

This applies only when generating strings from non-RFC compliant binary
input; it makes the existing recoding behavior more consistent (ie:
now no data is lost when recoding).
This commit is contained in:
R. David Murray 2011-01-07 23:25:30 +00:00
parent 6f0022d84a
commit 9253214fd9
9 changed files with 109 additions and 62 deletions

View file

@ -2841,7 +2841,7 @@ class Test8BitBytesHandling(unittest.TestCase):
cte='8bit',
bodyline='pöstal').encode('utf-8')
msg = email.message_from_bytes(m)
self.assertEqual(msg.get_payload(), "p<EFBFBD><EFBFBD>stal\n")
self.assertEqual(msg.get_payload(), "p\uFFFD\uFFFDstal\n")
self.assertEqual(msg.get_payload(decode=True),
"pöstal\n".encode('utf-8'))
@ -2874,7 +2874,7 @@ class Test8BitBytesHandling(unittest.TestCase):
cte='quoted-printable',
bodyline='p=C3=B6stál').encode('utf-8')
msg = email.message_from_bytes(m)
self.assertEqual(msg.get_payload(), 'p=C3=B6st<EFBFBD><EFBFBD>l\n')
self.assertEqual(msg.get_payload(), 'p=C3=B6st\uFFFD\uFFFDl\n')
self.assertEqual(msg.get_payload(decode=True),
'pöstál\n'.encode('utf-8'))
@ -2899,52 +2899,65 @@ class Test8BitBytesHandling(unittest.TestCase):
'<,.V<W1A; á \n'.encode('utf-8'))
headertest_msg = textwrap.dedent("""\
From: foo@bar.com
To: báz
Subject: Maintenant je vous présente mon collègue, le pouf célèbre
\tJean de Baddie
From: göst
Yes, they are flying.
""").encode('utf-8')
headertest_headers = (
('From: foo@bar.com', ('From', 'foo@bar.com')),
('To: báz', ('To', '=?unknown-8bit?q?b=C3=A1z?=')),
('Subject: Maintenant je vous présente mon collègue, le pouf célèbre\n'
'\tJean de Baddie',
('Subject', '=?unknown-8bit?q?Maintenant_je_vous_pr=C3=A9sente_mon_'
'coll=C3=A8gue=2C_le_pouf_c=C3=A9l=C3=A8bre?=\n'
' =?unknown-8bit?q?_Jean_de_Baddie?=')),
('From: göst', ('From', '=?unknown-8bit?b?Z8O2c3Q=?=')),
)
headertest_msg = ('\n'.join([src for (src, _) in headertest_headers]) +
'\nYes, they are flying.\n').encode('utf-8')
def test_get_8bit_header(self):
msg = email.message_from_bytes(self.headertest_msg)
self.assertEqual(msg.get('to'), 'b??z')
self.assertEqual(msg['to'], 'b??z')
self.assertEqual(str(msg.get('to')), 'b\uFFFD\uFFFDz')
self.assertEqual(str(msg['to']), 'b\uFFFD\uFFFDz')
def test_print_8bit_headers(self):
msg = email.message_from_bytes(self.headertest_msg)
self.assertEqual(str(msg),
self.headertest_msg.decode(
'ascii', 'replace').replace('<EFBFBD>', '?'))
textwrap.dedent("""\
From: {}
To: {}
Subject: {}
From: {}
Yes, they are flying.
""").format(*[expected[1] for (_, expected) in
self.headertest_headers]))
def test_values_with_8bit_headers(self):
msg = email.message_from_bytes(self.headertest_msg)
self.assertListEqual(msg.values(),
self.assertListEqual([str(x) for x in msg.values()],
['foo@bar.com',
'b??z',
'Maintenant je vous pr??sente mon '
'coll??gue, le pouf c??l??bre\n'
'b\uFFFD\uFFFDz',
'Maintenant je vous pr\uFFFD\uFFFDsente mon '
'coll\uFFFD\uFFFDgue, le pouf '
'c\uFFFD\uFFFDl\uFFFD\uFFFDbre\n'
'\tJean de Baddie',
"g??st"])
"g\uFFFD\uFFFDst"])
def test_items_with_8bit_headers(self):
msg = email.message_from_bytes(self.headertest_msg)
self.assertListEqual(msg.items(),
self.assertListEqual([(str(x), str(y)) for (x, y) in msg.items()],
[('From', 'foo@bar.com'),
('To', 'b??z'),
('Subject', 'Maintenant je vous pr??sente mon '
'coll??gue, le pouf c??l??bre\n'
'\tJean de Baddie'),
('From', 'g??st')])
('To', 'b\uFFFD\uFFFDz'),
('Subject', 'Maintenant je vous '
'pr\uFFFD\uFFFDsente '
'mon coll\uFFFD\uFFFDgue, le pouf '
'c\uFFFD\uFFFDl\uFFFD\uFFFDbre\n'
'\tJean de Baddie'),
('From', 'g\uFFFD\uFFFDst')])
def test_get_all_with_8bit_headers(self):
msg = email.message_from_bytes(self.headertest_msg)
self.assertListEqual(msg.get_all('from'),
self.assertListEqual([str(x) for x in msg.get_all('from')],
['foo@bar.com',
'g??st'])
'g\uFFFD\uFFFDst'])
non_latin_bin_msg = textwrap.dedent("""\
From: foo@bar.com
@ -2964,13 +2977,12 @@ class Test8BitBytesHandling(unittest.TestCase):
email.generator.BytesGenerator(out).flatten(msg)
self.assertEqual(out.getvalue(), self.non_latin_bin_msg)
# XXX: ultimately the '?' should turn into CTE encoded bytes
# using 'unknown-8bit' charset.
non_latin_bin_msg_as7bit = textwrap.dedent("""\
non_latin_bin_msg_as7bit_wrapped = textwrap.dedent("""\
From: foo@bar.com
To: b??z
Subject: Maintenant je vous pr??sente mon coll??gue, le pouf c??l??bre
\tJean de Baddie
To: =?unknown-8bit?q?b=C3=A1z?=
Subject: =?unknown-8bit?q?Maintenant_je_vous_pr=C3=A9sente_mon_coll=C3=A8gue?=
=?unknown-8bit?q?=2C_le_pouf_c=C3=A9l=C3=A8bre?=
=?unknown-8bit?q?_Jean_de_Baddie?=
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
@ -2982,7 +2994,7 @@ class Test8BitBytesHandling(unittest.TestCase):
msg = email.message_from_bytes(self.non_latin_bin_msg)
out = StringIO()
email.generator.Generator(out).flatten(msg)
self.assertEqual(out.getvalue(), self.non_latin_bin_msg_as7bit)
self.assertEqual(out.getvalue(), self.non_latin_bin_msg_as7bit_wrapped)
def test_bytes_generator_with_unix_from(self):
# The unixfrom contains a current date, so we can't check it
@ -2995,6 +3007,12 @@ class Test8BitBytesHandling(unittest.TestCase):
self.assertEqual(lines[0].split()[0], b'From')
self.assertEqual(b'\n'.join(lines[1:]), self.non_latin_bin_msg)
non_latin_bin_msg_as7bit = non_latin_bin_msg_as7bit_wrapped.split('\n')
non_latin_bin_msg_as7bit[2:4] = [
'Subject: =?unknown-8bit?q?Maintenant_je_vous_pr=C3=A9sente_mon_'
'coll=C3=A8gue=2C_le_pouf_c=C3=A9l=C3=A8bre?=']
non_latin_bin_msg_as7bit = '\n'.join(non_latin_bin_msg_as7bit)
def test_message_from_binary_file(self):
fn = 'test.msg'
self.addCleanup(unlink, fn)