docs: adds ExitStack alternative to future_style.md (#3247)

[etc/vim.git] / src / black / files.py

diff --git a/src/black/files.py b/src/black/files.py
index 0382397e8a230f60f6a0b4cec6ee07bc80f9e281..d51c1bc7a90231106540bdb7fcdadb115d626225 100644 (file)
--- a/src/black/files.py
+++ b/src/black/files.py
@@ -1,9 +1,10 @@
-from functools import lru_cache

 import io
 import os
 import io
 import os

-from pathlib import Path

 import sys
 import sys

+from functools import lru_cache
+from pathlib import Path

 from typing import (
 from typing import (

+    TYPE_CHECKING,

     Any,
     Dict,
     Iterable,
     Any,
     Dict,
     Iterable,


@@ -14,7 +15,6 @@ from typing import (
     Sequence,
     Tuple,
     Union,
     Sequence,
     Tuple,
     Union,

-    TYPE_CHECKING,

 )
 
 from mypy_extensions import mypyc_attr
 )
 
 from mypy_extensions import mypyc_attr


@@ -30,16 +30,18 @@ if sys.version_info >= (3, 11):
 else:
     import tomli as tomllib
 
 else:
     import tomli as tomllib
 

+from black.handle_ipynb_magics import jupyter_dependencies_are_installed

 from black.output import err
 from black.report import Report
 from black.output import err
 from black.report import Report

-from black.handle_ipynb_magics import jupyter_dependencies_are_installed

 
 if TYPE_CHECKING:
     import colorama  # noqa: F401
 
 
 @lru_cache()
 
 if TYPE_CHECKING:
     import colorama  # noqa: F401
 
 
 @lru_cache()

-def find_project_root(srcs: Sequence[str]) -> Tuple[Path, str]:
+def find_project_root(
+    srcs: Sequence[str], stdin_filename: Optional[str] = None
+) -> Tuple[Path, str]:

     """Return a directory containing .git, .hg, or pyproject.toml.
 
     That directory will be a common parent of all files and directories
     """Return a directory containing .git, .hg, or pyproject.toml.
 
     That directory will be a common parent of all files and directories


@@ -52,6 +54,8 @@ def find_project_root(srcs: Sequence[str]) -> Tuple[Path, str]:
     the second element as a string describing the method by which the
     project root was discovered.
     """
     the second element as a string describing the method by which the
     project root was discovered.
     """

+    if stdin_filename is not None:
+        srcs = tuple(stdin_filename if s == "-" else s for s in srcs)

     if not srcs:
         srcs = [str(Path.cwd().resolve())]
 
     if not srcs:
         srcs = [str(Path.cwd().resolve())]