# -*- coding: utf-8 -*-
# This module is part of GitPython and is released under
# the BSD License: http://www.opensource.org/licenses/bsd-license.php
# flake8: noqa
import os
import sys
from typing import (
Dict,
NoReturn,
Sequence,
Tuple,
Union,
Any,
TYPE_CHECKING,
TypeVar,
) # noqa: F401
if sys.version_info[:2] >= (3, 8):
from typing import (
Literal,
SupportsIndex,
TypedDict,
Protocol,
runtime_checkable,
) # noqa: F401
else:
from typing_extensions import (
Literal,
SupportsIndex, # noqa: F401
TypedDict,
Protocol,
runtime_checkable,
) # noqa: F401
# if sys.version_info[:2] >= (3, 10):
# from typing import TypeGuard # noqa: F401
# else:
# from typing_extensions import TypeGuard # noqa: F401
if sys.version_info[:2] < (3, 9):
PathLike = Union[str, os.PathLike]
else:
# os.PathLike only becomes subscriptable from Python 3.9 onwards
PathLike = Union[str, os.PathLike[str]]
if TYPE_CHECKING:
from git.repo import Repo
from git.objects import Commit, Tree, TagObject, Blob
# from git.refs import SymbolicReference
TBD = Any
_T = TypeVar("_T")
Tree_ish = Union["Commit", "Tree"]
Commit_ish = Union["Commit", "TagObject", "Blob", "Tree"]
Lit_commit_ish = Literal["commit", "tag", "blob", "tree"]
# Config_levels ---------------------------------------------------------
Lit_config_levels = Literal["system", "global", "user", "repository"]
# def is_config_level(inp: str) -> TypeGuard[Lit_config_levels]:
# # return inp in get_args(Lit_config_level) # only py >= 3.8
# return inp in ("system", "user", "global", "repository")
ConfigLevels_Tup = Tuple[Literal["system"], Literal["user"], Literal["global"], Literal["repository"]]
# -----------------------------------------------------------------------------------
def assert_never(inp: NoReturn, raise_error: bool = True, exc: Union[Exception, None] = None) -> None:
"""For use in exhaustive checking of literal or Enum in if/else chain.
Should only be reached if all members not handled OR attempt to pass non-members through chain.
If all members handled, type is Empty. Otherwise, will cause mypy error.
If non-members given, should cause mypy error at variable creation.
If raise_error is True, will also raise AssertionError or the Exception passed to exc.
"""
if raise_error:
if exc is None:
raise ValueError(f"An unhandled Literal ({inp}) in an if/else chain was found")
else:
raise exc
class Files_TD(TypedDict):
insertions: int
deletions: int
lines: int
class Total_TD(TypedDict):
insertions: int
deletions: int
lines: int
files: int
class HSH_TD(TypedDict):
total: Total_TD
files: Dict[PathLike, Files_TD]
@runtime_checkable
class Has_Repo(Protocol):
repo: "Repo"
@runtime_checkable
class Has_id_attribute(Protocol):
_id_attribute_: str
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