X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/b1d060101626aa1c332f52e4bdf0ae5e4cc07990..23b92b48a5e6b39d507c84839ecc0decb7f01a34:/src/black/files.py
diff --git a/src/black/files.py b/src/black/files.py
index ba60c84..ea517f4 100644
--- a/src/black/files.py
+++ b/src/black/files.py
@@ -1,9 +1,10 @@
-from functools import lru_cache
import io
import os
-from pathlib import Path
import sys
+from functools import lru_cache
+from pathlib import Path
from typing import (
+ TYPE_CHECKING,
Any,
Dict,
Iterable,
@@ -14,22 +15,34 @@ from typing import (
Sequence,
Tuple,
Union,
- TYPE_CHECKING,
)
+from mypy_extensions import mypyc_attr
from pathspec import PathSpec
-import tomli
+from pathspec.patterns.gitwildmatch import GitWildMatchPatternError
+if sys.version_info >= (3, 11):
+ try:
+ import tomllib
+ except ImportError:
+ # Help users on older alphas
+ if not TYPE_CHECKING:
+ 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.handle_ipynb_magics import jupyter_dependencies_are_installed
if TYPE_CHECKING:
import colorama # noqa: F401
@lru_cache()
-def find_project_root(srcs: Sequence[str]) -> Path:
+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
@@ -37,7 +50,13 @@ def find_project_root(srcs: Sequence[str]) -> Path:
If no directory in the tree contains a marker that would specify it's the
project root, the root of the file system is returned.
+
+ Returns a two-tuple with the first element as the project root path and
+ 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())]
@@ -56,20 +75,20 @@ def find_project_root(srcs: Sequence[str]) -> Path:
for directory in (common_base, *common_base.parents):
if (directory / ".git").exists():
- return directory
+ return directory, ".git directory"
if (directory / ".hg").is_dir():
- return directory
+ return directory, ".hg directory"
if (directory / "pyproject.toml").is_file():
- return directory
+ return directory, "pyproject.toml"
- return directory
+ return directory, "file system root"
def find_pyproject_toml(path_search_start: Tuple[str, ...]) -> Optional[str]:
"""Find the absolute filepath to a pyproject.toml if it exists"""
- path_project_root = find_project_root(path_search_start)
+ path_project_root, _ = find_project_root(path_search_start)
path_pyproject_toml = path_project_root / "pyproject.toml"
if path_pyproject_toml.is_file():
return str(path_pyproject_toml)
@@ -81,19 +100,20 @@ def find_pyproject_toml(path_search_start: Tuple[str, ...]) -> Optional[str]:
if path_user_pyproject_toml.is_file()
else None
)
- except PermissionError as e:
+ except (PermissionError, RuntimeError) as e:
# We do not have access to the user-level config directory, so ignore it.
err(f"Ignoring user configuration directory due to {e!r}")
return None
+@mypyc_attr(patchable=True)
def parse_pyproject_toml(path_config: str) -> Dict[str, Any]:
"""Parse a pyproject toml file, pulling out relevant parts for Black
- If parsing fails, will raise a tomli.TOMLDecodeError
+ If parsing fails, will raise a tomllib.TOMLDecodeError
"""
- with open(path_config, encoding="utf8") as f:
- pyproject_toml = tomli.load(f) # type: ignore # due to deprecated API usage
+ with open(path_config, "rb") as f:
+ pyproject_toml = tomllib.load(f)
config = pyproject_toml.get("tool", {}).get("black", {})
return {k.replace("--", "").replace("-", "_"): v for k, v in config.items()}
@@ -104,6 +124,10 @@ def find_user_pyproject_toml() -> Path:
This looks for ~\.black on Windows and ~/.config/black on Linux and other
Unix systems.
+
+ May raise:
+ - RuntimeError: if the current user has no homedir
+ - PermissionError: if the current process cannot access the user's homedir
"""
if sys.platform == "win32":
# Windows
@@ -122,11 +146,17 @@ def get_gitignore(root: Path) -> PathSpec:
if gitignore.is_file():
with gitignore.open(encoding="utf-8") as gf:
lines = gf.readlines()
- return PathSpec.from_lines("gitwildmatch", lines)
+ try:
+ return PathSpec.from_lines("gitwildmatch", lines)
+ except GitWildMatchPatternError as e:
+ err(f"Could not parse {gitignore}: {e}")
+ raise
def normalize_path_maybe_ignore(
- path: Path, root: Path, report: Report
+ path: Path,
+ root: Path,
+ report: Optional[Report] = None,
) -> Optional[str]:
"""Normalize `path`. May return `None` if `path` was ignored.
@@ -134,19 +164,35 @@ def normalize_path_maybe_ignore(
"""
try:
abspath = path if path.is_absolute() else Path.cwd() / path
- normalized_path = abspath.resolve().relative_to(root).as_posix()
+ normalized_path = abspath.resolve()
+ try:
+ root_relative_path = normalized_path.relative_to(root).as_posix()
+ except ValueError:
+ if report:
+ report.path_ignored(
+ path, f"is a symbolic link that points outside {root}"
+ )
+ return None
+
except OSError as e:
- report.path_ignored(path, f"cannot be read because {e}")
+ if report:
+ report.path_ignored(path, f"cannot be read because {e}")
return None
- except ValueError:
- if path.is_symlink():
- report.path_ignored(path, f"is a symbolic link that points outside {root}")
- return None
+ return root_relative_path
- raise
- return normalized_path
+def path_is_ignored(
+ path: Path, gitignore_dict: Dict[Path, PathSpec], report: Report
+) -> bool:
+ for gitignore_path, pattern in gitignore_dict.items():
+ relative_path = normalize_path_maybe_ignore(path, gitignore_path, report)
+ if relative_path is None:
+ break
+ if pattern.match_file(relative_path):
+ report.path_ignored(path, "matches a .gitignore file content")
+ return True
+ return False
def path_is_excluded(
@@ -165,7 +211,7 @@ def gen_python_files(
extend_exclude: Optional[Pattern[str]],
force_exclude: Optional[Pattern[str]],
report: Report,
- gitignore: Optional[PathSpec],
+ gitignore_dict: Optional[Dict[Path, PathSpec]],
*,
verbose: bool,
quiet: bool,
@@ -178,6 +224,7 @@ def gen_python_files(
`report` is where output about exclusions goes.
"""
+
assert root.is_absolute(), f"INTERNAL ERROR: `root` must be absolute but is {root}"
for child in paths:
normalized_path = normalize_path_maybe_ignore(child, root, report)
@@ -185,8 +232,7 @@ def gen_python_files(
continue
# First ignore files matching .gitignore, if passed
- if gitignore is not None and gitignore.match_file(normalized_path):
- report.path_ignored(child, "matches the .gitignore file content")
+ if gitignore_dict and path_is_ignored(child, gitignore_dict, report):
continue
# Then ignore with `--exclude` `--extend-exclude` and `--force-exclude` options.
@@ -211,6 +257,13 @@ def gen_python_files(
if child.is_dir():
# If gitignore is None, gitignore usage is disabled, while a Falsey
# gitignore is when the directory doesn't have a .gitignore file.
+ if gitignore_dict is not None:
+ new_gitignore_dict = {
+ **gitignore_dict,
+ root / child: get_gitignore(child),
+ }
+ else:
+ new_gitignore_dict = None
yield from gen_python_files(
child.iterdir(),
root,
@@ -219,7 +272,7 @@ def gen_python_files(
extend_exclude,
force_exclude,
report,
- gitignore + get_gitignore(child) if gitignore is not None else None,
+ new_gitignore_dict,
verbose=verbose,
quiet=quiet,
)