python类MIMEApplication()的实例源码

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_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 test_binary_body_with_encode_7or8bit(self):
        # Issue 17171.
        bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
        msg = MIMEApplication(bytesdata, _encoder=encoders.encode_7or8bit)
        # Treated as a string, this will be invalid code points.
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg.get_payload(decode=True), bytesdata)
        self.assertEqual(msg['Content-Transfer-Encoding'], '8bit')
        s = StringIO()
        g = Generator(s)
        g.flatten(msg)
        wireform = s.getvalue()
        msg2 = email.message_from_string(wireform)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg2.get_payload(decode=True), bytesdata)
        self.assertEqual(msg2['Content-Transfer-Encoding'], '8bit')

def test_binary_body_with_encode_noop(self):
        # Issue 16564: This does not produce an RFC valid message, since to be
        # valid it should have a CTE of binary.  But the below works, and is
        # documented as working this way.
        bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
        msg = MIMEApplication(bytesdata, _encoder=encoders.encode_noop)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg.get_payload(decode=True), bytesdata)
        s = StringIO()
        g = Generator(s)
        g.flatten(msg)
        wireform = s.getvalue()
        msg2 = email.message_from_string(wireform)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg2.get_payload(decode=True), bytesdata)


# Test the basic MIMEText class

def send(To, Subject, Body, Cc=[], Bcc=[], html=False, files=[]):
    """Send an email
    """
    subtype = 'html' if html else 'plain'
    message = MIMEMultipart()
    message['To'] = ', '.join(To)
    message['Subject'] = Subject
    message['Cc'] = ', '.join(Cc)
    message['Bcc'] = ', '.join(Bcc)

    message.attach(MIMEText(Body, subtype))

    for f in files:
        with open(f, "rb") as In:
            part = MIMEApplication(In.read(), Name=basename(f))
            part['Content-Disposition'] = 'attachment; filename="%s"' % basename(f)
            message.attach(part)

    message = {'raw': base64.urlsafe_b64encode(message.as_string())}

    credentials = oauth2client.file.Storage(CREDENTIALS_PATH).get()
    Http = credentials.authorize(httplib2.Http())
    service = discovery.build('gmail', 'v1', http=Http)

    message = service.users().messages().send(userId='me', body=message).execute()

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 test_binary_body_with_encode_7or8bit(self):
        # Issue 17171.
        bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
        msg = MIMEApplication(bytesdata, _encoder=encoders.encode_7or8bit)
        # Treated as a string, this will be invalid code points.
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg.get_payload(decode=True), bytesdata)
        self.assertEqual(msg['Content-Transfer-Encoding'], '8bit')
        s = StringIO()
        g = Generator(s)
        g.flatten(msg)
        wireform = s.getvalue()
        msg2 = email.message_from_string(wireform)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg2.get_payload(decode=True), bytesdata)
        self.assertEqual(msg2['Content-Transfer-Encoding'], '8bit')

def test_binary_body_with_encode_noop(self):
        # Issue 16564: This does not produce an RFC valid message, since to be
        # valid it should have a CTE of binary.  But the below works, and is
        # documented as working this way.
        bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
        msg = MIMEApplication(bytesdata, _encoder=encoders.encode_noop)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg.get_payload(decode=True), bytesdata)
        s = StringIO()
        g = Generator(s)
        g.flatten(msg)
        wireform = s.getvalue()
        msg2 = email.message_from_string(wireform)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg2.get_payload(decode=True), bytesdata)


# Test the basic MIMEText class

def testExtractAttachedKey(self):
        KEY = "-----BEGIN PGP PUBLIC KEY BLOCK-----\n..."

        message = MIMEMultipart()
        message.add_header("from", ADDRESS_2)
        key = MIMEApplication("", "pgp-keys")
        key.set_payload(KEY)
        message.attach(key)
        self.fetcher._keymanager.put_raw_key = Mock(
            return_value=defer.succeed(None))

        def put_raw_key_called(_):
            self.fetcher._keymanager.put_raw_key.assert_called_once_with(
                KEY, address=ADDRESS_2)

        d = self._do_fetch(message.as_string())
        d.addCallback(put_raw_key_called)
        return d

def testExtractInvalidAttachedKey(self):
        KEY = "-----BEGIN PGP PUBLIC KEY BLOCK-----\n..."

        message = MIMEMultipart()
        message.add_header("from", ADDRESS_2)
        key = MIMEApplication("", "pgp-keys")
        key.set_payload(KEY)
        message.attach(key)
        self.fetcher._keymanager.put_raw_key = Mock(
            return_value=defer.fail(KeyAddressMismatch()))

        def put_raw_key_called(_):
            self.fetcher._keymanager.put_raw_key.assert_called_once_with(
                KEY, address=ADDRESS_2)

        d = self._do_fetch(message.as_string())
        d.addCallback(put_raw_key_called)
        d.addErrback(log.err)
        return d

def testExtractAttachedKeyAndNotOpenPGPHeader(self):
        KEY = "-----BEGIN PGP PUBLIC KEY BLOCK-----\n..."
        KEYURL = "https://leap.se/key.txt"
        OpenPGP = "id=12345678; url=\"%s\"; preference=signencrypt" % (KEYURL,)

        message = MIMEMultipart()
        message.add_header("from", ADDRESS_2)
        message.add_header("OpenPGP", OpenPGP)
        key = MIMEApplication("", "pgp-keys")
        key.set_payload(KEY)
        message.attach(key)

        self.fetcher._keymanager.put_raw_key = Mock(
            return_value=defer.succeed(None))
        self.fetcher._keymanager.fetch_key = Mock()

        def put_raw_key_called(_):
            self.fetcher._keymanager.put_raw_key.assert_called_once_with(
                KEY, address=ADDRESS_2)
            self.assertFalse(self.fetcher._keymanager.fetch_key.called)

        d = self._do_fetch(message.as_string())
        d.addCallback(put_raw_key_called)
        return d

def testExtractOpenPGPHeaderIfInvalidAttachedKey(self):
        KEY = "-----BEGIN PGP PUBLIC KEY BLOCK-----\n..."
        KEYURL = "https://leap.se/key.txt"
        OpenPGP = "id=12345678; url=\"%s\"; preference=signencrypt" % (KEYURL,)

        message = MIMEMultipart()
        message.add_header("from", ADDRESS_2)
        message.add_header("OpenPGP", OpenPGP)
        key = MIMEApplication("", "pgp-keys")
        key.set_payload(KEY)
        message.attach(key)

        self.fetcher._keymanager.put_raw_key = Mock(
            return_value=defer.fail(KeyAddressMismatch()))
        self.fetcher._keymanager.fetch_key = Mock()

        def put_raw_key_called(_):
            self.fetcher._keymanager.put_raw_key.assert_called_once_with(
                KEY, address=ADDRESS_2)
            self.fetcher._keymanager.fetch_key.assert_called_once_with(
                ADDRESS_2, KEYURL)

        d = self._do_fetch(message.as_string())
        d.addCallback(put_raw_key_called)
        return d

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 test_binary_body_with_encode_7or8bit(self):
        # Issue 17171.
        bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
        msg = MIMEApplication(bytesdata, _encoder=encoders.encode_7or8bit)
        # Treated as a string, this will be invalid code points.
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg.get_payload(decode=True), bytesdata)
        self.assertEqual(msg['Content-Transfer-Encoding'], '8bit')
        s = StringIO()
        g = Generator(s)
        g.flatten(msg)
        wireform = s.getvalue()
        msg2 = email.message_from_string(wireform)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg2.get_payload(decode=True), bytesdata)
        self.assertEqual(msg2['Content-Transfer-Encoding'], '8bit')

def test_binary_body_with_encode_noop(self):
        # Issue 16564: This does not produce an RFC valid message, since to be
        # valid it should have a CTE of binary.  But the below works, and is
        # documented as working this way.
        bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
        msg = MIMEApplication(bytesdata, _encoder=encoders.encode_noop)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg.get_payload(decode=True), bytesdata)
        s = StringIO()
        g = Generator(s)
        g.flatten(msg)
        wireform = s.getvalue()
        msg2 = email.message_from_string(wireform)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg2.get_payload(decode=True), bytesdata)


# Test the basic MIMEText 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_send_smtp(self, mock_send_mime):
        attachment = tempfile.NamedTemporaryFile()
        attachment.write(b'attachment')
        attachment.seek(0)
        utils.email.send_email_smtp('to', 'subject', 'content', files=[attachment.name])
        self.assertTrue(mock_send_mime.called)
        call_args = mock_send_mime.call_args[0]
        self.assertEqual(configuration.get('smtp', 'SMTP_MAIL_FROM'), call_args[0])
        self.assertEqual(['to'], call_args[1])
        msg = call_args[2]
        self.assertEqual('subject', msg['Subject'])
        self.assertEqual(configuration.get('smtp', 'SMTP_MAIL_FROM'), msg['From'])
        self.assertEqual(2, len(msg.get_payload()))
        self.assertEqual(u'attachment; filename="' + os.path.basename(attachment.name) + '"',
            msg.get_payload()[-1].get(u'Content-Disposition'))
        mimeapp = MIMEApplication('attachment')
        self.assertEqual(mimeapp.get_payload(), msg.get_payload()[-1].get_payload())

def test_send_bcc_smtp(self, mock_send_mime):
        attachment = tempfile.NamedTemporaryFile()
        attachment.write(b'attachment')
        attachment.seek(0)
        utils.email.send_email_smtp('to', 'subject', 'content', files=[attachment.name], cc='cc', bcc='bcc')
        self.assertTrue(mock_send_mime.called)
        call_args = mock_send_mime.call_args[0]
        self.assertEqual(configuration.get('smtp', 'SMTP_MAIL_FROM'), call_args[0])
        self.assertEqual(['to', 'cc', 'bcc'], call_args[1])
        msg = call_args[2]
        self.assertEqual('subject', msg['Subject'])
        self.assertEqual(configuration.get('smtp', 'SMTP_MAIL_FROM'), msg['From'])
        self.assertEqual(2, len(msg.get_payload()))
        self.assertEqual(u'attachment; filename="' + os.path.basename(attachment.name) + '"',
            msg.get_payload()[-1].get(u'Content-Disposition'))
        mimeapp = MIMEApplication('attachment')
        self.assertEqual(mimeapp.get_payload(), msg.get_payload()[-1].get_payload())

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 test_binary_body_with_encode_7or8bit(self):
        # Issue 17171.
        bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
        msg = MIMEApplication(bytesdata, _encoder=encoders.encode_7or8bit)
        # Treated as a string, this will be invalid code points.
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg.get_payload(decode=True), bytesdata)
        self.assertEqual(msg['Content-Transfer-Encoding'], '8bit')
        s = StringIO()
        g = Generator(s)
        g.flatten(msg)
        wireform = s.getvalue()
        msg2 = email.message_from_string(wireform)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg2.get_payload(decode=True), bytesdata)
        self.assertEqual(msg2['Content-Transfer-Encoding'], '8bit')

def test_binary_body_with_encode_noop(self):
        # Issue 16564: This does not produce an RFC valid message, since to be
        # valid it should have a CTE of binary.  But the below works, and is
        # documented as working this way.
        bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
        msg = MIMEApplication(bytesdata, _encoder=encoders.encode_noop)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg.get_payload(decode=True), bytesdata)
        s = StringIO()
        g = Generator(s)
        g.flatten(msg)
        wireform = s.getvalue()
        msg2 = email.message_from_string(wireform)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg2.get_payload(decode=True), bytesdata)


# Test the basic MIMEText 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 test_binary_body_with_encode_7or8bit(self):
        # Issue 17171.
        bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
        msg = MIMEApplication(bytesdata, _encoder=encoders.encode_7or8bit)
        # Treated as a string, this will be invalid code points.
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg.get_payload(decode=True), bytesdata)
        self.assertEqual(msg['Content-Transfer-Encoding'], '8bit')
        s = StringIO()
        g = Generator(s)
        g.flatten(msg)
        wireform = s.getvalue()
        msg2 = email.message_from_string(wireform)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg2.get_payload(decode=True), bytesdata)
        self.assertEqual(msg2['Content-Transfer-Encoding'], '8bit')

def test_binary_body_with_encode_noop(self):
        # Issue 16564: This does not produce an RFC valid message, since to be
        # valid it should have a CTE of binary.  But the below works, and is
        # documented as working this way.
        bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
        msg = MIMEApplication(bytesdata, _encoder=encoders.encode_noop)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg.get_payload(decode=True), bytesdata)
        s = StringIO()
        g = Generator(s)
        g.flatten(msg)
        wireform = s.getvalue()
        msg2 = email.message_from_string(wireform)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg2.get_payload(decode=True), bytesdata)


# Test the basic MIMEText class

def send_email(send_from,send_to,subject,text,files=None,server="10.210.41.203"):

    #assert(isinstance(send_to,list),"Send To email should be a list")

    msg = MIMEMultipart()
    msg['From'] = send_from
    msg['To'] = send_to
    msg['Date'] = formatdate(localtime = True)
    msg['Subject'] = subject

    msg.attach(MIMEText(text,'html'))

    with open(files,"rb") as f:
        part = MIMEApplication(f.read(),Name=basename(files))
        msg.attach(part)
    smtp = smtplib.SMTP(server,0)
    smtp.sendmail(send_from,send_to,msg.as_string())
    smtp.quit()

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 test_binary_body_with_encode_7or8bit(self):
        # Issue 17171.
        bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
        msg = MIMEApplication(bytesdata, _encoder=encoders.encode_7or8bit)
        # Treated as a string, this will be invalid code points.
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg.get_payload(decode=True), bytesdata)
        self.assertEqual(msg['Content-Transfer-Encoding'], '8bit')
        s = StringIO()
        g = Generator(s)
        g.flatten(msg)
        wireform = s.getvalue()
        msg2 = email.message_from_string(wireform)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg2.get_payload(decode=True), bytesdata)
        self.assertEqual(msg2['Content-Transfer-Encoding'], '8bit')

def test_binary_body_with_encode_noop(self):
        # Issue 16564: This does not produce an RFC valid message, since to be
        # valid it should have a CTE of binary.  But the below works, and is
        # documented as working this way.
        bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
        msg = MIMEApplication(bytesdata, _encoder=encoders.encode_noop)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg.get_payload(decode=True), bytesdata)
        s = StringIO()
        g = Generator(s)
        g.flatten(msg)
        wireform = s.getvalue()
        msg2 = email.message_from_string(wireform)
        self.assertEqual(msg.get_payload(), bytesdata)
        self.assertEqual(msg2.get_payload(decode=True), bytesdata)


# Test the basic MIMEText 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_binary_body_with_encode_7or8bit(self):
        # Issue 17171.
        bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
        msg = MIMEApplication(bytesdata, _encoder=encoders.encode_7or8bit)
        # Treated as a string, this will be invalid code points.
        self.assertEqual(msg.get_payload(), '\uFFFD' * len(bytesdata))
        self.assertEqual(msg.get_payload(decode=True), bytesdata)
        self.assertEqual(msg['Content-Transfer-Encoding'], '8bit')
        s = BytesIO()
        g = BytesGenerator(s)
        g.flatten(msg)
        wireform = s.getvalue()
        msg2 = email.message_from_bytes(wireform)
        self.assertEqual(msg.get_payload(), '\uFFFD' * len(bytesdata))
        self.assertEqual(msg2.get_payload(decode=True), bytesdata)
        self.assertEqual(msg2['Content-Transfer-Encoding'], '8bit')