def rfc2425encode(name,value,parameters=None,charset="utf-8"):
    """Encodes a vCard field into an RFC2425 line.

    :Parameters:
        - `name`: field type name
        - `value`: field value
        - `parameters`: optional parameters
        - `charset`: encoding of the output and of the `value` (if not
          `unicode`)
    :Types:
        - `name`: `str`
        - `value`: `unicode` or `str`
        - `parameters`: `dict` of `str` -> `str`
        - `charset`: `str`

    :return: the encoded RFC2425 line (possibly folded)
    :returntype: `str`"""
    if not parameters:
        parameters={}
    if type(value) is unicode:
        value=value.replace(u"\r\n",u"\\n")
        value=value.replace(u"\n",u"\\n")
        value=value.replace(u"\r",u"\\n")
        value=value.encode(charset,"replace")
    elif type(value) is not str:
        raise TypeError("Bad type for rfc2425 value")
    elif not valid_string_re.match(value):
        parameters["encoding"]="b"
        value=binascii.b2a_base64(value)

    ret=str(name).lower()
    for k,v in parameters.items():
        ret+=";%s=%s" % (str(k),str(v))
    ret+=":"
    while(len(value)>70):
        ret+=value[:70]+"\r\n "
        value=value[70:]
    ret+=value+"\r\n"
    return ret
def rfc2425encode(name,value,parameters=None,charset="utf-8"):
    """Encodes a vCard field into an RFC2425 line.

    :Parameters:
        - `name`: field type name
        - `value`: field value
        - `parameters`: optional parameters
        - `charset`: encoding of the output and of the `value` (if not
          `unicode`)
    :Types:
        - `name`: `str`
        - `value`: `unicode` or `str`
        - `parameters`: `dict` of `str` -> `str`
        - `charset`: `str`

    :return: the encoded RFC2425 line (possibly folded)
    :returntype: `str`"""
    if not parameters:
        parameters={}
    if type(value) is unicode:
        value=value.replace(u"\r\n",u"\\n")
        value=value.replace(u"\n",u"\\n")
        value=value.replace(u"\r",u"\\n")
        value=value.encode(charset,"replace")
    elif type(value) is not str:
        raise TypeError("Bad type for rfc2425 value")
    elif not valid_string_re.match(value):
        parameters["encoding"]="b"
        value=binascii.b2a_base64(value)

    ret=str(name).lower()
    for k,v in parameters.items():
        ret+=";%s=%s" % (str(k),str(v))
    ret+=":"
    while(len(value)>70):
        ret+=value[:70]+"\r\n "
        value=value[70:]
    ret+=value+"\r\n"
    return ret
def rfc2425encode ( name , value , parameters = None , charset = "utf-8" ) : if not parameters : parameters = { } if type ( value ) is unicode : value = value . replace ( u"\r\n" , u"\\n" ) value = value . replace ( u"\n" , u"\\n" ) value = value . replace ( u"\r" , u"\\n" ) value = value . encode ( charset , "replace" ) elif type ( value ) is not str : raise TypeError ( "Bad type for rfc2425 value" ) elif not valid_string_re . match ( value ) : parameters [ "encoding" ] = "b" value = binascii . b2a_base64 ( value ) ret = str ( name ) . lower ( ) for k , v in parameters . items ( ) : ret += ";%s=%s" % ( str ( k ) , str ( v ) ) ret += ":" while ( len ( value ) > 70 ) : ret += value [ : 70 ] + "\r\n " value = value [ 70 : ] ret += value + "\r\n" return ret
Encodes a vCard field into an RFC2425 line.

    :Parameters:
        - `name`: field type name
        - `value`: field value
        - `parameters`: optional parameters
        - `charset`: encoding of the output and of the `value` (if not
          `unicode`)
    :Types:
        - `name`: `str`
        - `value`: `unicode` or `str`
        - `parameters`: `dict` of `str` -> `str`
        - `charset`: `str`

    :return: the encoded RFC2425 line (possibly folded)
    :returntype: `str`
Encodes a vCard field into an RFC2425 line .