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# Copyright (C) 2002-2006 Python Software Foundation
# Contact: email-sig@python.org
# email package unit tests for (optional) Asian codecs
import unittest
from test.test_email import TestEmailBase
from email.charset import Charset
from email.header import Header, decode_header
from email.message import Message
# We're compatible with Python 2.3, but it doesn't have the built-in Asian
# codecs, so we have to skip all these tests.
try:
str(b'foo', 'euc-jp')
except LookupError:
raise unittest.SkipTest
class TestEmailAsianCodecs(TestEmailBase):
def test_japanese_codecs(self):
eq = self.ndiffAssertEqual
jcode = "euc-jp"
gcode = "iso-8859-1"
j = Charset(jcode)
g = Charset(gcode)
h = Header("Hello World!")
jhello = str(b'\xa5\xcf\xa5\xed\xa1\xbc\xa5\xef\xa1\xbc'
b'\xa5\xeb\xa5\xc9\xa1\xaa', jcode)
ghello = str(b'Gr\xfc\xdf Gott!', gcode)
h.append(jhello, j)
h.append(ghello, g)
# BAW: This used to -- and maybe should -- fold the two iso-8859-1
# chunks into a single encoded word. However it doesn't violate the
# standard to have them as two encoded chunks and maybe it's
# reasonable <wink> for each .append() call to result in a separate
# encoded word.
eq(h.encode(), """\
Hello World! =?iso-2022-jp?b?GyRCJU8lbSE8JW8hPCVrJUkhKhsoQg==?=
=?iso-8859-1?q?Gr=FC=DF_Gott!?=""")
eq(decode_header(h.encode()),
[(b'Hello World! ', None),
(b'\x1b$B%O%m!<%o!<%k%I!*\x1b(B', 'iso-2022-jp'),
(b'Gr\xfc\xdf Gott!', gcode)])
subject_bytes = (b'test-ja \xa4\xd8\xc5\xea\xb9\xc6\xa4\xb5'
b'\xa4\xec\xa4\xbf\xa5\xe1\xa1\xbc\xa5\xeb\xa4\xcf\xbb\xca\xb2'
b'\xf1\xbc\xd4\xa4\xce\xbe\xb5\xc7\xa7\xa4\xf2\xc2\xd4\xa4\xc3'
b'\xa4\xc6\xa4\xa4\xa4\xde\xa4\xb9')
subject = str(subject_bytes, jcode)
h = Header(subject, j, header_name="Subject")
# test a very long header
enc = h.encode()
# TK: splitting point may differ by codec design and/or Header encoding
eq(enc , """\
=?iso-2022-jp?b?dGVzdC1qYSAbJEIkWEVqOUYkNSRsJD8lYSE8JWskTztKGyhC?=
=?iso-2022-jp?b?GyRCMnE8VCROPjVHJyRyQlQkQyRGJCQkXiQ5GyhC?=""")
# TK: full decode comparison
eq(str(h).encode(jcode), subject_bytes)
def test_payload_encoding_utf8(self):
jhello = str(b'\xa5\xcf\xa5\xed\xa1\xbc\xa5\xef\xa1\xbc'
b'\xa5\xeb\xa5\xc9\xa1\xaa', 'euc-jp')
msg = Message()
msg.set_payload(jhello, 'utf-8')
ustr = msg.get_payload(decode=True).decode(msg.get_content_charset())
self.assertEqual(jhello, ustr)
def test_payload_encoding(self):
jcode = 'euc-jp'
jhello = str(b'\xa5\xcf\xa5\xed\xa1\xbc\xa5\xef\xa1\xbc'
b'\xa5\xeb\xa5\xc9\xa1\xaa', jcode)
msg = Message()
msg.set_payload(jhello, jcode)
ustr = msg.get_payload(decode=True).decode(msg.get_content_charset())
self.assertEqual(jhello, ustr)
if __name__ == '__main__':
unittest.main()
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