本文整理汇总了Python中flanker.addresslib.tokenizer.TokenStream类的典型用法代码示例。如果您正苦于以下问题:Python TokenStream类的具体用法?Python TokenStream怎么用?Python TokenStream使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了TokenStream类的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _validate
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
示例2: _validate
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
示例3: address_spec
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
示例4: _validate
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
示例5: _validate
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
示例6: address_list
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()
示例7: _AddressParser
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.........