# Stubs for difflib

# Based on https://docs.python.org/3.2/library/difflib.html

from typing import (
    TypeVar, Callable, Iterable, List, NamedTuple, Sequence, Tuple, Generic
)

_T = TypeVar('_T')

class SequenceMatcher(Generic[_T]):
    def __init__(self, isjunk: Callable[[_T], bool] = None,
                 a: Sequence[_T] = ..., b: Sequence[_T] = ...,
                 autojunk: bool = True) -> None: ...
    def set_seqs(self, a: Sequence[_T], b: Sequence[_T]) -> None: ...
    def set_seq1(self, a: Sequence[_T]) -> None: ...
    def set_seq2(self, b: Sequence[_T]) -> None: ...
    def find_longest_match(self, alo: int, ahi: int, blo: int,
                           bhi: int) -> Tuple[int, int, int]: ...
    def get_matching_blocks(self) -> List[Tuple[int, int, int]]: ...
    def get_opcodes(self) -> List[Tuple[str, int, int, int, int]]: ...
    def get_grouped_opcodes(self, n: int = 3
                            ) -> Iterable[Tuple[str, int, int, int, int]]: ...
    def ratio(self) -> float: ...
    def quick_ratio(self) -> float: ...
    def real_quick_ratio(self) -> float: ...

def get_close_matches(word: Sequence[_T], possibilities: List[Sequence[_T]],
                      n: int = 3, cutoff: float = 0.6) -> List[Sequence[_T]]: ...

class Differ:
    def __init__(self, linejunk: Callable[[str], bool] = None,
                 charjunk: Callable[[str], bool] = None) -> None: ...
    def compare(self, a: Sequence[str], b: Sequence[str]) -> Iterable[str]: ...

def IS_LINE_JUNK(str) -> bool: ...
def IS_CHARACTER_JUNK(str) -> bool: ...
def unified_diff(a: Sequence[str], b: Sequence[str], fromfile: str = '',
                 tofile: str = '', fromfiledate: str = '', tofiledate: str = '',
                 n: int = 3, lineterm: str = '\n') -> Iterable[str]: ...
def context_diff(a: Sequence[str], b: Sequence[str], fromfile: str='',
                 tofile: str = '', fromfiledate: str = '', tofiledate: str = '',
                 n: int = 3, lineterm: str = '\n') -> Iterable[str]: ...
def ndiff(a: Sequence[str], b: Sequence[str],
          linejunk: Callable[[str], bool] = None,
          charjunk: Callable[[str], bool] = IS_CHARACTER_JUNK
          ) -> Iterable[str]: ...

class HtmlDiff(object):
    def __init__(self, tabsize: int = 8, wrapcolumn: int = None,
                 linejunk: Callable[[str], bool] = None,
                 charjunk: Callable[[str], bool] = IS_CHARACTER_JUNK
                 ) -> None: ...
    def make_file(self, fromlines: Sequence[str], tolines: Sequence[str],
                  fromdesc: str = '', todesc: str = '', context: bool = False,
                  numlines: int = 5) -> str: ...
    def make_table(self, fromlines: Sequence[str], tolines: Sequence[str],
                   fromdesc: str = '', todesc: str = '', context: bool = False,
                   numlines: int = 5) -> str: ...

def restore(delta: Iterable[str], which: int) -> Iterable[int]: ...