我们从Python开源项目中，提取了以下43个代码示例，用于说明如何使用email.header()。
def test_set_boundary(self): eq = self.assertEqual # This one has no existing boundary parameter, but the Content-Type: # header appears fifth. msg = self._msgobj('msg_01.txt') msg.set_boundary('BOUNDARY') header, value = msg.items()[4] eq(header.lower(), 'content-type') eq(value, 'text/plain; charset="us-ascii"; boundary="BOUNDARY"') # This one has a Content-Type: header, with a boundary, stuck in the # middle of its headers. Make sure the order is preserved; it should # be fifth. msg = self._msgobj('msg_04.txt') msg.set_boundary('BOUNDARY') header, value = msg.items()[4] eq(header.lower(), 'content-type') eq(value, 'multipart/mixed; boundary="BOUNDARY"') # And this one has no Content-Type: header at all. msg = self._msgobj('msg_03.txt') self.assertRaises(errors.HeaderParseError, msg.set_boundary, 'BOUNDARY')
def test_get_decoded_payload(self): eq = self.assertEqual msg = self._msgobj('msg_10.txt') # The outer message is a multipart eq(msg.get_payload(decode=True), None) # Subpart 1 is 7bit encoded eq(msg.get_payload(0).get_payload(decode=True), 'This is a 7bit encoded message.\n') # Subpart 2 is quopri eq(msg.get_payload(1).get_payload(decode=True), '\xa1This is a Quoted Printable encoded message!\n') # Subpart 3 is base64 eq(msg.get_payload(2).get_payload(decode=True), 'This is a Base64 encoded message.') # Subpart 4 has no Content-Transfer-Encoding: header. eq(msg.get_payload(3).get_payload(decode=True), 'This has no Content-Transfer-Encoding: header.\n')
def test_get_param(self): eq = self.assertEqual msg = email.message_from_string( "X-Header: foo=one; bar=two; baz=three\n") eq(msg.get_param('bar', header='x-header'), 'two') eq(msg.get_param('quuz', header='x-header'), None) eq(msg.get_param('quuz'), None) msg = email.message_from_string( 'X-Header: foo; bar="one"; baz=two\n') eq(msg.get_param('foo', header='x-header'), '') eq(msg.get_param('bar', header='x-header'), 'one') eq(msg.get_param('baz', header='x-header'), 'two') # XXX: We are not RFC-2045 compliant! We cannot parse: # msg["Content-Type"] = 'text/plain; weird="hey; dolly? [you] @ <\\"home\\">?"' # msg.get_param("weird") # yet.
def test_add_header(self): eq = self.assertEqual unless = self.failUnless self._au.add_header('Content-Disposition', 'attachment', filename='audiotest.au') eq(self._au['content-disposition'], 'attachment; filename="audiotest.au"') eq(self._au.get_params(header='content-disposition'), [('attachment', ''), ('filename', 'audiotest.au')]) eq(self._au.get_param('filename', header='content-disposition'), 'audiotest.au') missing = [] eq(self._au.get_param('attachment', header='content-disposition'), '') unless(self._au.get_param('foo', failobj=missing, header='content-disposition') is missing) # Try some missing stuff unless(self._au.get_param('foobar', missing) is missing) unless(self._au.get_param('attachment', missing, header='foobar') is missing) # Test the basic MIMEImage class
def test_add_header(self): eq = self.assertEqual unless = self.failUnless self._im.add_header('Content-Disposition', 'attachment', filename='dingusfish.gif') eq(self._im['content-disposition'], 'attachment; filename="dingusfish.gif"') eq(self._im.get_params(header='content-disposition'), [('attachment', ''), ('filename', 'dingusfish.gif')]) eq(self._im.get_param('filename', header='content-disposition'), 'dingusfish.gif') missing = [] eq(self._im.get_param('attachment', header='content-disposition'), '') unless(self._im.get_param('foo', failobj=missing, header='content-disposition') is missing) # Try some missing stuff unless(self._im.get_param('foobar', missing) is missing) unless(self._im.get_param('attachment', missing, header='foobar') is missing) # Test the basic MIMEApplication class
def test__all__(self): module = __import__('email') # Can't use sorted() here due to Python 2.3 compatibility all = module.__all__[:] all.sort() self.assertEqual(all, [ # Old names 'Charset', 'Encoders', 'Errors', 'Generator', 'Header', 'Iterators', 'MIMEAudio', 'MIMEBase', 'MIMEImage', 'MIMEMessage', 'MIMEMultipart', 'MIMENonMultipart', 'MIMEText', 'Message', 'Parser', 'Utils', 'base64MIME', # new names 'base64mime', 'charset', 'encoders', 'errors', 'generator', 'header', 'iterators', 'message', 'message_from_file', 'message_from_string', 'mime', 'parser', 'quopriMIME', 'quoprimime', 'utils', ])
def test_get_decoded_payload(self): eq = self.assertEqual msg = self._msgobj('msg_10.txt') # The outer message is a multipart eq(msg.get_payload(decode=True), None) # Subpart 1 is 7bit encoded eq(msg.get_payload(0).get_payload(decode=True), 'This is a 7bit encoded message.\n') # Subpart 2 is quopri eq(msg.get_payload(1).get_payload(decode=True), '\xa1This is a Quoted Printable encoded message!\n') # Subpart 3 is base64 eq(msg.get_payload(2).get_payload(decode=True), 'This is a Base64 encoded message.') # Subpart 4 is base64 with a trailing newline, which # used to be stripped (issue 7143). eq(msg.get_payload(3).get_payload(decode=True), 'This is a Base64 encoded message.\n') # Subpart 5 has no Content-Transfer-Encoding: header. eq(msg.get_payload(4).get_payload(decode=True), 'This has no Content-Transfer-Encoding: header.\n')
def test_as_string(self): eq = self.assertEqual msg = self._msgobj('msg_01.txt') fp = openfile('msg_01.txt') try: # BAW 30-Mar-2009 Evil be here. So, the generator is broken with # respect to long line breaking. It's also not idempotent when a # header from a parsed message is continued with tabs rather than # spaces. Before we fixed bug 1974 it was reversedly broken, # i.e. headers that were continued with spaces got continued with # tabs. For Python 2.x there's really no good fix and in Python # 3.x all this stuff is re-written to be right(er). Chris Withers # convinced me that using space as the default continuation # character is less bad for more applications. text = fp.read().replace('\t', ' ') finally: fp.close() self.ndiffAssertEqual(text, msg.as_string()) fullrepr = str(msg) lines = fullrepr.split('\n') self.assertTrue(lines[0].startswith('From ')) eq(text, NL.join(lines[1:]))
def test_set_param(self): eq = self.assertEqual msg = Message() msg.set_param('charset', 'iso-2022-jp') eq(msg.get_param('charset'), 'iso-2022-jp') msg.set_param('importance', 'high value') eq(msg.get_param('importance'), 'high value') eq(msg.get_param('importance', unquote=False), '"high value"') eq(msg.get_params(), [('text/plain', ''), ('charset', 'iso-2022-jp'), ('importance', 'high value')]) eq(msg.get_params(unquote=False), [('text/plain', ''), ('charset', '"iso-2022-jp"'), ('importance', '"high value"')]) msg.set_param('charset', 'iso-9999-xx', header='X-Jimmy') eq(msg.get_param('charset', header='X-Jimmy'), 'iso-9999-xx')
def test_add_header(self): eq = self.assertEqual self._au.add_header('Content-Disposition', 'attachment', filename='audiotest.au') eq(self._au['content-disposition'], 'attachment; filename="audiotest.au"') eq(self._au.get_params(header='content-disposition'), [('attachment', ''), ('filename', 'audiotest.au')]) eq(self._au.get_param('filename', header='content-disposition'), 'audiotest.au') missing = [] eq(self._au.get_param('attachment', header='content-disposition'), '') self.assertIs(self._au.get_param('foo', failobj=missing, header='content-disposition'), missing) # Try some missing stuff self.assertIs(self._au.get_param('foobar', missing), missing) self.assertIs(self._au.get_param('attachment', missing, header='foobar'), missing) # Test the basic MIMEImage class
def test_add_header(self): eq = self.assertEqual self._im.add_header('Content-Disposition', 'attachment', filename='dingusfish.gif') eq(self._im['content-disposition'], 'attachment; filename="dingusfish.gif"') eq(self._im.get_params(header='content-disposition'), [('attachment', ''), ('filename', 'dingusfish.gif')]) eq(self._im.get_param('filename', header='content-disposition'), 'dingusfish.gif') missing = [] eq(self._im.get_param('attachment', header='content-disposition'), '') self.assertIs(self._im.get_param('foo', failobj=missing, header='content-disposition'), missing) # Try some missing stuff self.assertIs(self._im.get_param('foobar', missing), missing) self.assertIs(self._im.get_param('attachment', missing, header='foobar'), missing) # Test the basic MIMEApplication class
def _bind_write_headers(msg): from email.header import Header def _write_headers(self): # Self refers to the Generator object for h, v in msg.items(): print('%s:' % h, end=' ', file=self._fp) if isinstance(v, Header): print(v.encode(maxlinelen=self._maxheaderlen), file=self._fp) else: # Header's got lots of smarts, so use it. header = Header(v, maxlinelen=self._maxheaderlen, charset='utf-8', header_name=h) print(header.encode(), file=self._fp) # A blank line always separates headers from body print(file=self._fp) return _write_headers
def decode_mail_header(value, default_charset='us-ascii'): """ Decode a header value into a unicode string. """ try: headers = decode_header(value) except email.errors.HeaderParseError: return str_decode(str_encode(value, default_charset, 'replace'), default_charset) else: for index, (text, charset) in enumerate(headers): logger.debug("Mail header no. {}: {} encoding {}".format(index, str_decode(text, charset or 'utf-8'), charset)) try: headers[index] = str_decode(text, charset or default_charset, 'replace') except LookupError: # if the charset is unknown, force default headers[index] = str_decode(text, default_charset, 'replace') return ''.join(headers)
def _process_msg(self, data): event = {} message = email.message_from_string(data[1]) print('Initial filtering of Message ID: %s' % message['Message-Id']) generated_by = message['X-Generated-By'] if not generated_by or 'Launchpad' not in generated_by: print('%s is not from LP' % message['Message-Id']) return event # Mark the message as read email_id = data[0].split()[0] typ, full_msg = self.imap.fetch(email_id, '(RFC822)') message = email.message_from_string(full_msg[0][1]) print('Retrieved full message with id %s and marked as read' % message['Message-Id']) event_type = message['X-Launchpad-Notification-Type'] if event_type == 'bug': event = self._process_bug(message) else: for header in message: if header.startswith('X-Launchpad'): event[header] = message[header] event['body'] = message.get_payload() return event
def test_get_decoded_payload(self): eq = self.assertEqual msg = self._msgobj('msg_10.txt') # The outer message is a multipart eq(msg.get_payload(decode=True), None) # Subpart 1 is 7bit encoded eq(msg.get_payload(0).get_payload(decode=True), b'This is a 7bit encoded message.\n') # Subpart 2 is quopri eq(msg.get_payload(1).get_payload(decode=True), b'\xa1This is a Quoted Printable encoded message!\n') # Subpart 3 is base64 eq(msg.get_payload(2).get_payload(decode=True), b'This is a Base64 encoded message.') # Subpart 4 is base64 with a trailing newline, which # used to be stripped (issue 7143). eq(msg.get_payload(3).get_payload(decode=True), b'This is a Base64 encoded message.\n') # Subpart 5 has no Content-Transfer-Encoding: header. eq(msg.get_payload(4).get_payload(decode=True), b'This has no Content-Transfer-Encoding: header.\n')
def test_long_unbreakable_lines_with_continuation(self): eq = self.ndiffAssertEqual msg = Message() t = """\ iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAGFBMVEUAAAAkHiJeRUIcGBi9 locQDQ4zJykFBAXJfWDjAAACYUlEQVR4nF2TQY/jIAyFc6lydlG5x8Nyp1Y69wj1PN2I5gzp""" msg['Face-1'] = t msg['Face-2'] = Header(t, header_name='Face-2') msg['Face-3'] = ' ' + t # XXX This splitting is all wrong. It the first value line should be # snug against the field name or the space after the header not there. eq(msg.as_string(maxheaderlen=78), """\ Face-1:\x20 iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAGFBMVEUAAAAkHiJeRUIcGBi9 locQDQ4zJykFBAXJfWDjAAACYUlEQVR4nF2TQY/jIAyFc6lydlG5x8Nyp1Y69wj1PN2I5gzp Face-2:\x20 iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAGFBMVEUAAAAkHiJeRUIcGBi9 locQDQ4zJykFBAXJfWDjAAACYUlEQVR4nF2TQY/jIAyFc6lydlG5x8Nyp1Y69wj1PN2I5gzp Face-3:\x20 iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAGFBMVEUAAAAkHiJeRUIcGBi9 locQDQ4zJykFBAXJfWDjAAACYUlEQVR4nF2TQY/jIAyFc6lydlG5x8Nyp1Y69wj1PN2I5gzp """)
def test_long_rfc2047_header_with_embedded_fws(self): h = Header(textwrap.dedent("""\ We're going to pretend this header is in a non-ascii character set \tto see if line wrapping with encoded words and embedded folding white space works"""), charset='utf-8', header_name='Test') self.assertEqual(h.encode()+'\n', textwrap.dedent("""\ =?utf-8?q?We=27re_going_to_pretend_this_header_is_in_a_non-ascii_chara?= =?utf-8?q?cter_set?= =?utf-8?q?_to_see_if_line_wrapping_with_encoded_words_and_embedded?= =?utf-8?q?_folding_white_space_works?=""")+'\n') # Test mangling of "From " lines in the body of a message
def test_add_header(self): eq = self.assertEqual unless = self.assertTrue self._au.add_header('Content-Disposition', 'attachment', filename='audiotest.au') eq(self._au['content-disposition'], 'attachment; filename="audiotest.au"') eq(self._au.get_params(header='content-disposition'), [('attachment', ''), ('filename', 'audiotest.au')]) eq(self._au.get_param('filename', header='content-disposition'), 'audiotest.au') missing = [] eq(self._au.get_param('attachment', header='content-disposition'), '') unless(self._au.get_param('foo', failobj=missing, header='content-disposition') is missing) # Try some missing stuff unless(self._au.get_param('foobar', missing) is missing) unless(self._au.get_param('attachment', missing, header='foobar') is missing) # Test the basic MIMEImage class
def test_add_header(self): eq = self.assertEqual unless = self.assertTrue self._im.add_header('Content-Disposition', 'attachment', filename='dingusfish.gif') eq(self._im['content-disposition'], 'attachment; filename="dingusfish.gif"') eq(self._im.get_params(header='content-disposition'), [('attachment', ''), ('filename', 'dingusfish.gif')]) eq(self._im.get_param('filename', header='content-disposition'), 'dingusfish.gif') missing = [] eq(self._im.get_param('attachment', header='content-disposition'), '') unless(self._im.get_param('foo', failobj=missing, header='content-disposition') is missing) # Try some missing stuff unless(self._im.get_param('foobar', missing) is missing) unless(self._im.get_param('attachment', missing, header='foobar') is missing) # Test the basic MIMEApplication class
def test_rfc2047_multiline(self): eq = self.assertEqual s = """Re: =?mac-iceland?q?r=8Aksm=9Arg=8Cs?= baz foo bar =?mac-iceland?q?r=8Aksm=9Arg=8Cs?=""" dh = decode_header(s) eq(dh, [ (b'Re:', None), (b'r\x8aksm\x9arg\x8cs', 'mac-iceland'), (b'baz foo bar', None), (b'r\x8aksm\x9arg\x8cs', 'mac-iceland')]) header = make_header(dh) eq(str(header), 'Re: r\xe4ksm\xf6rg\xe5s baz foo bar r\xe4ksm\xf6rg\xe5s') self.ndiffAssertEqual(header.encode(maxlinelen=76), """\ Re: =?mac-iceland?q?r=8Aksm=9Arg=8Cs?= baz foo bar =?mac-iceland?q?r=8Aksm?= =?mac-iceland?q?=9Arg=8Cs?=""")
