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