Python Charset.Charset方法代码示例

# 需要导入模块: from email import Charset [as 别名]
# 或者: from email.Charset import Charset [as 别名]
def addr_header_encode(text, header_name=None):
    """Encode and line-wrap the value of an email header field containing
    email addresses."""

    # Convert to unicode, if required.
    if not isinstance(text, unicode):
        text = unicode(text, "utf-8")

    text = ", ".join(
        formataddr((header_encode(name), emailaddr))
        for name, emailaddr in getaddresses([text])
    )

    if is_ascii(text):
        charset = "ascii"
    else:
        charset = "utf-8"

    return Header(
        text, header_name=header_name, charset=Charset(charset)
    ).encode() 

# 需要导入模块: from email import Charset [as 别名]
# 或者: from email.Charset import Charset [as 别名]
def test_getset_charset(self):
        eq = self.assertEqual
        msg = Message()
        eq(msg.get_charset(), None)
        charset = Charset('iso-8859-1')
        msg.set_charset(charset)
        eq(msg['mime-version'], '1.0')
        eq(msg.get_content_type(), 'text/plain')
        eq(msg['content-type'], 'text/plain; charset="iso-8859-1"')
        eq(msg.get_param('charset'), 'iso-8859-1')
        eq(msg['content-transfer-encoding'], 'quoted-printable')
        eq(msg.get_charset().input_charset, 'iso-8859-1')
        # Remove the charset
        msg.set_charset(None)
        eq(msg.get_charset(), None)
        eq(msg['content-type'], 'text/plain')
        # Try adding a charset when there's already MIME headers present
        msg = Message()
        msg['MIME-Version'] = '2.0'
        msg['Content-Type'] = 'text/x-weird'
        msg['Content-Transfer-Encoding'] = 'quinted-puntable'
        msg.set_charset(charset)
        eq(msg['mime-version'], '2.0')
        eq(msg['content-type'], 'text/x-weird; charset="iso-8859-1"')
        eq(msg['content-transfer-encoding'], 'quinted-puntable') 

# 需要导入模块: from email import Charset [as 别名]
# 或者: from email.Charset import Charset [as 别名]
def test__all__(self):
        module = __import__('email')
        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',
            ]) 

# 需要导入模块: from email import Charset [as 别名]
# 或者: from email.Charset import Charset [as 别名]
def test_charset_richcomparisons(self):
        eq = self.assertEqual
        ne = self.assertNotEqual
        cset1 = Charset()
        cset2 = Charset()
        eq(cset1, 'us-ascii')
        eq(cset1, 'US-ASCII')
        eq(cset1, 'Us-AsCiI')
        eq('us-ascii', cset1)
        eq('US-ASCII', cset1)
        eq('Us-AsCiI', cset1)
        ne(cset1, 'usascii')
        ne(cset1, 'USASCII')
        ne(cset1, 'UsAsCiI')
        ne('usascii', cset1)
        ne('USASCII', cset1)
        ne('UsAsCiI', cset1)
        eq(cset1, cset2)
        eq(cset2, cset1) 

# 需要导入模块: from email import Charset [as 别名]
# 或者: from email.Charset import Charset [as 别名]
def test_get_body_encoding_with_uppercase_charset(self):
        eq = self.assertEqual
        msg = Message()
        msg['Content-Type'] = 'text/plain; charset=UTF-8'
        eq(msg['content-type'], 'text/plain; charset=UTF-8')
        charsets = msg.get_charsets()
        eq(len(charsets), 1)
        eq(charsets[0], 'utf-8')
        charset = Charset(charsets[0])
        eq(charset.get_body_encoding(), 'base64')
        msg.set_payload('hello world', charset=charset)
        eq(msg.get_payload(), 'aGVsbG8gd29ybGQ=\n')
        eq(msg.get_payload(decode=True), 'hello world')
        eq(msg['content-transfer-encoding'], 'base64')
        # Try another one
        msg = Message()
        msg['Content-Type'] = 'text/plain; charset="US-ASCII"'
        charsets = msg.get_charsets()
        eq(len(charsets), 1)
        eq(charsets[0], 'us-ascii')
        charset = Charset(charsets[0])
        eq(charset.get_body_encoding(), Encoders.encode_7or8bit)
        msg.set_payload('hello world', charset=charset)
        eq(msg.get_payload(), 'hello world')
        eq(msg['content-transfer-encoding'], '7bit') 

# 需要导入模块: from email import Charset [as 别名]
# 或者: from email.Charset import Charset [as 别名]
def test_charset_richcomparisons(self):
        eq = self.assertEqual
        ne = self.failIfEqual
        cset1 = Charset()
        cset2 = Charset()
        eq(cset1, 'us-ascii')
        eq(cset1, 'US-ASCII')
        eq(cset1, 'Us-AsCiI')
        eq('us-ascii', cset1)
        eq('US-ASCII', cset1)
        eq('Us-AsCiI', cset1)
        ne(cset1, 'usascii')
        ne(cset1, 'USASCII')
        ne(cset1, 'UsAsCiI')
        ne('usascii', cset1)
        ne('USASCII', cset1)
        ne('UsAsCiI', cset1)
        eq(cset1, cset2)
        eq(cset2, cset1) 

# 需要导入模块: from email import Charset [as 别名]
# 或者: from email.Charset import Charset [as 别名]
def header_encode(text, header_name=None):
    """Encode and line-wrap the value of an email header field."""

    # Convert to unicode, if required.
    if not isinstance(text, unicode):
        text = unicode(text, "utf-8")

    if is_ascii(text):
        charset = "ascii"
    else:
        charset = "utf-8"

    return Header(
        text, header_name=header_name, charset=Charset(charset)
    ).encode() 

# 需要导入模块: from email import Charset [as 别名]
# 或者: from email.Charset import Charset [as 别名]
def test_set_payload_with_charset(self):
        msg = Message()
        charset = Charset('iso-8859-1')
        msg.set_payload('This is a string payload', charset)
        self.assertEqual(msg.get_charset().input_charset, 'iso-8859-1') 

# 需要导入模块: from email import Charset [as 别名]
# 或者: from email.Charset import Charset [as 别名]
def test_charsets_case_insensitive(self):
        lc = Charset('us-ascii')
        uc = Charset('US-ASCII')
        self.assertEqual(lc.get_body_encoding(), uc.get_body_encoding()) 

# 需要导入模块: from email import Charset [as 别名]
# 或者: from email.Charset import Charset [as 别名]
def test_encode(self):
        eq = self.assertEqual
        eq(quopriMIME.encode(''), '')
        eq(quopriMIME.encode('hello'), 'hello')
        # Test the binary flag
        eq(quopriMIME.encode('hello\r\nworld'), 'hello\nworld')
        eq(quopriMIME.encode('hello\r\nworld', 0), 'hello\nworld')
        # Test the maxlinelen arg
        eq(quopriMIME.encode('xxxx ' * 20, maxlinelen=40), """\
xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx=
 xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxx=
x xxxx xxxx xxxx xxxx=20""")
        # Test the eol argument
        eq(quopriMIME.encode('xxxx ' * 20, maxlinelen=40, eol='\r\n'), """\
xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx=\r
 xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxx=\r
x xxxx xxxx xxxx xxxx=20""")
        eq(quopriMIME.encode("""\
one line

two line"""), """\
one line

two line""")



# Test the Charset class 

# 需要导入模块: from email import Charset [as 别名]
# 或者: from email.Charset import Charset [as 别名]
def tearDown(self):
        from email import Charset as CharsetModule
        try:
            del CharsetModule.CHARSETS['fake']
        except KeyError:
            pass