Python TokenStream.end_of_stream方法代码示例

# 需要导入模块: from flanker.addresslib.tokenizer import TokenStream [as 别名]
# 或者: from flanker.addresslib.tokenizer.TokenStream import end_of_stream [as 别名]
def _validate(localpart):
    stream = TokenStream(localpart)

    # get the gmail base (alpha, num, or dot)
    mpart = stream.get_token(GMAIL_BASE)
    if mpart is None:
        return False

    # optional tags
    tgs = _tags(stream)

    if not stream.end_of_stream():
        return False

    return True

# 需要导入模块: from flanker.addresslib.tokenizer import TokenStream [as 别名]
# 或者: from flanker.addresslib.tokenizer.TokenStream import end_of_stream [as 别名]
def _validate(localpart):
    stream = TokenStream(localpart)

    # get the hotmail base
    mpart = stream.get_token(HOTMAIL_BASE)
    if mpart is None:
        return False

    # optional tags
    tgs = _tags(stream)

    if not stream.end_of_stream():
        return False

    return True

# 需要导入模块: from flanker.addresslib.tokenizer import TokenStream [as 别名]
# 或者: from flanker.addresslib.tokenizer.TokenStream import end_of_stream [as 别名]
def _validate(localpart):
    stream = TokenStream(localpart)

    while True:
        # get alphanumeric portion
        mpart = stream.get_token(ALPHANUM)
        if mpart is None:
            return False
        # get optional dot, must be followed by more alphanumerics
        mpart = stream.get_token(DOT)
        if mpart is None:
            break

    # optional tags
    tgs = _tags(stream)

    if not stream.end_of_stream():
        return False

    return True

# 需要导入模块: from flanker.addresslib.tokenizer import TokenStream [as 别名]
# 或者: from flanker.addresslib.tokenizer.TokenStream import end_of_stream [as 别名]
def _validate(localpart):
    "Grammar: local-part -> alpha  { [ dot | underscore ] ( alpha | num ) }"
    stream = TokenStream(localpart)

    # local-part must being with alpha
    alpa = stream.get_token(ALPHA)
    if alpa is None:
        return False

    while True:
        # optional dot or underscore token
        stream.get_token(DOT) or stream.get_token(UNDERSCORE)

        # alpha or numeric
        alpanum = stream.get_token(ALPHA) or stream.get_token(NUMERIC)
        if alpanum is None:
            break

    # alpha or numeric must be end of stream
    if not stream.end_of_stream():
        return False

    return True

# 需要导入模块: from flanker.addresslib.tokenizer import TokenStream [as 别名]
# 或者: from flanker.addresslib.tokenizer.TokenStream import end_of_stream [as 别名]
class _AddressParser(object):
    '''
    Do not use _AddressParser directly because it heavily relies on other
    private classes and methods and it's interface is not guarenteed, it
    will change in the future and possibly break your application.

    Instead use the parse() and parse_list() functions in the address.py
    module which will always return a scalar or iterable respectively.
    '''

    def __init__(self, strict=False):
        self.stream = None
        self.strict = strict

    def address_list(self, stream):
        '''
        Extract a mailbox and/or url list from a stream of input, operates in
        strict and relaxed modes.
        '''
        # sanity check
        if not stream:
            raise ParserException('No input provided to parser.')
        if isinstance(stream, str) and not is_pure_ascii(stream):
            raise ParserException('ASCII string contains non-ASCII chars.')

        # to avoid spinning here forever, limit address list length
        if len(stream) > MAX_ADDRESS_LIST_LENGTH:
            raise ParserException('Stream length exceeds maximum allowable ' + \
                'address list length of ' + str(MAX_ADDRESS_LIST_LENGTH) + '.')

        # set stream
        self.stream = TokenStream(stream)

        if self.strict is True:
            return self._address_list_strict()
        return self._address_list_relaxed()

    def address(self, stream):
        '''
        Extract a single address or url from a stream of input, always
        operates in strict mode.
        '''
        # sanity check
        if not stream:
            raise ParserException('No input provided to parser.')
        if isinstance(stream, str) and not is_pure_ascii(stream):
            raise ParserException('ASCII string contains non-ASCII chars.')

        # to avoid spinning here forever, limit mailbox length
        if len(stream) > MAX_ADDRESS_LENGTH:
            raise ParserException('Stream length exceeds maximum allowable ' + \
                'address length of ' + str(MAX_ADDRESS_LENGTH) + '.')

        self.stream = TokenStream(stream)

        addr = self._address()
        if addr:
            # optional whitespace
            self._whitespace()

            # if we hit the end of the stream, we have a valid inbox
            if self.stream.end_of_stream():
                return addr

        return None

    def address_spec(self, stream):
        '''
        Extract a single address spec from a stream of input, always
        operates in strict mode.
        '''
        # sanity check
        if stream is None:
            raise ParserException('No input provided to parser.')
        if isinstance(stream, str) and not is_pure_ascii(stream):
            raise ParserException('ASCII string contains non-ASCII chars.')

        # to avoid spinning here forever, limit mailbox length
        if len(stream) > MAX_ADDRESS_LENGTH:
            raise ParserException('Stream length exceeds maximum allowable ' + \
                'address length of ' + str(MAX_ADDRESS_LENGTH) + '.')

        self.stream = TokenStream(stream)

        addr = self._addr_spec()
        if addr:
            # optional whitespace
            self._whitespace()

            # if we hit the end of the stream, we have a valid inbox
            if self.stream.end_of_stream():
                return addr

        return None


    def _mailbox_post_processing_checks(self, address):
        "Additional post processing checks to ensure mailbox is valid."
        parts = address.split('@')

#.........这里部分代码省略.........