X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/e76adbecb8c3b62631868332c3b632363c7c16b4..75f99bded33abe962ca08bf16c77635ac9ca00a1:/src/black/files.py diff --git a/src/black/files.py b/src/black/files.py index 213bbf8..0382397 100644 --- a/src/black/files.py +++ b/src/black/files.py @@ -17,18 +17,29 @@ from typing import ( 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 + import tomli as tomllib +else: + import tomli as tomllib 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]) -> Tuple[Path, str]: """Return a directory containing .git, .hg, or pyproject.toml. That directory will be a common parent of all files and directories @@ -36,6 +47,10 @@ 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 not srcs: srcs = [str(Path.cwd().resolve())] @@ -55,20 +70,20 @@ 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) @@ -80,19 +95,20 @@ 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()} @@ -103,6 +119,10 @@ 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 @@ -121,11 +141,17 @@ 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. @@ -133,19 +159,22 @@ 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() - except OSError as e: - 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}") + 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 - raise + except OSError as e: + if report: + report.path_ignored(path, f"cannot be read because {e}") + return None - return normalized_path + return root_relative_path def path_is_excluded( @@ -165,6 +194,9 @@ def gen_python_files( force_exclude: Optional[Pattern[str]], report: Report, gitignore: Optional[PathSpec], + *, + verbose: bool, + quiet: bool, ) -> Iterator[Path]: """Generate all files under `path` whose paths are not excluded by the `exclude_regex`, `extend_exclude`, or `force_exclude` regexes, @@ -216,9 +248,15 @@ def gen_python_files( force_exclude, report, gitignore + get_gitignore(child) if gitignore is not None else None, + verbose=verbose, + quiet=quiet, ) elif child.is_file(): + if child.suffix == ".ipynb" and not jupyter_dependencies_are_installed( + verbose=verbose, quiet=quiet + ): + continue include_match = include.search(normalized_path) if include else True if include_match: yield child