# Stubs for urllib.robotparser (Python 3.4)

from typing import Iterable, NamedTuple, Optional
import sys

_RequestRate = NamedTuple('_RequestRate', [('requests', int), ('seconds', int)])

class RobotFileParser:
    def __init__(url: str = ...) -> None: ...
    def set_url(self, url: str) -> None: ...
    def read(self) -> None: ...
    def parse(self, lines: Iterable[str]) -> None: ...
    def can_fetch(self, user_agent: str, url: str) -> bool: ...
    def mtime(self) -> int: ...
    def modified(self) -> None: ...
    if sys.version_info >= (3, 6):
        def crawl_delay(useragent: str) -> Optional[str]: ...
        def request_rate(useragent: str) -> Optional[_RequestRate]: ...
