from dataclasses import dataclass, field, replace
import click
import toml
-from typed_ast import ast3, ast27
+
+try:
+ from typed_ast import ast3, ast27
+except ImportError:
+ if sys.version_info < (3, 8):
+ print(
+ "The typed_ast package is not installed.\n"
+ "You can install it with `python3 -m pip install typed-ast`.",
+ file=sys.stderr,
+ )
+ sys.exit(1)
+ else:
+ ast3 = ast27 = ast
+
from pathspec import PathSpec
# lib2to3 fork
import colorama # noqa: F401
DEFAULT_LINE_LENGTH = 88
-DEFAULT_EXCLUDES = r"/(\.direnv|\.eggs|\.git|\.hg|\.mypy_cache|\.nox|\.tox|\.venv|\.svn|_build|buck-out|build|dist)/" # noqa: B950
+DEFAULT_EXCLUDES = r"/(\.direnv|\.eggs|\.git|\.hg|\.mypy_cache|\.nox|\.tox|\.venv|venv|\.svn|_build|buck-out|build|dist)/" # noqa: B950
DEFAULT_INCLUDES = r"\.pyi?$"
CACHE_DIR = Path(user_cache_dir("black", version=__version__))
STDIN_PLACEHOLDER = "__BLACK_STDIN_FILENAME__"
return all(feature in VERSION_TO_FEATURES[version] for version in target_versions)
-def find_pyproject_toml(path_search_start: Iterable[str]) -> Optional[str]:
+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_pyproject_toml = path_project_root / "pyproject.toml"
- return str(path_pyproject_toml) if path_pyproject_toml.is_file() else None
+ if path_pyproject_toml.is_file():
+ return str(path_pyproject_toml)
+
+ path_user_pyproject_toml = find_user_pyproject_toml()
+ return str(path_user_pyproject_toml) if path_user_pyproject_toml.is_file() else None
def parse_pyproject_toml(path_config: str) -> Dict[str, Any]:
"--check",
is_flag=True,
help=(
- "Don't write the files back, just return the status. Return code 0 means"
- " nothing would change. Return code 1 means some files would be reformatted."
+ "Don't write the files back, just return the status. Return code 0 means"
+ " nothing would change. Return code 1 means some files would be reformatted."
" Return code 123 means there was an internal error."
),
)
callback=validate_regex,
help=(
"A regular expression that matches files and directories that should be"
- " included on recursive searches. An empty value means all files are included"
- " regardless of the name. Use forward slashes for directories on all platforms"
- " (Windows, too). Exclusions are calculated first, inclusions later."
+ " included on recursive searches. An empty value means all files are included"
+ " regardless of the name. Use forward slashes for directories on all platforms"
+ " (Windows, too). Exclusions are calculated first, inclusions later."
),
show_default=True,
)
callback=validate_regex,
help=(
"A regular expression that matches files and directories that should be"
- " excluded on recursive searches. An empty value means no paths are excluded."
- " Use forward slashes for directories on all platforms (Windows, too). "
+ " excluded on recursive searches. An empty value means no paths are excluded."
+ " Use forward slashes for directories on all platforms (Windows, too)."
" Exclusions are calculated first, inclusions later."
),
show_default=True,
except (ImportError, OSError):
# we arrive here if the underlying system does not support multi-processing
# like in AWS Lambda or Termux, in which case we gracefully fallback to
- # a ThreadPollExecutor with just a single worker (more workers would not do us
+ # a ThreadPoolExecutor with just a single worker (more workers would not do us
# any good due to the Global Interpreter Lock)
executor = ThreadPoolExecutor(max_workers=1)
): src
for src in sorted(sources)
}
- pending: Iterable["asyncio.Future[bool]"] = tasks.keys()
+ pending = tasks.keys()
try:
loop.add_signal_handler(signal.SIGINT, cancel, pending)
loop.add_signal_handler(signal.SIGTERM, cancel, pending)
if content[0] == "#":
content = content[1:]
+ NON_BREAKING_SPACE = " "
+ if (
+ content
+ and content[0] == NON_BREAKING_SPACE
+ and not content.lstrip().startswith("type:")
+ ):
+ content = " " + content[1:] # Replace NBSP by a simple space
if content and content[0] not in " !:#'%":
content = " " + content
return "#" + content
@lru_cache()
-def find_project_root(srcs: Iterable[str]) -> Path:
+def find_project_root(srcs: Tuple[str, ...]) -> Path:
"""Return a directory containing .git, .hg, or pyproject.toml.
That directory will be a common parent of all files and directories
return directory
+@lru_cache()
+def find_user_pyproject_toml() -> Path:
+ r"""Return the path to the top-level user configuration for black.
+
+ This looks for ~\.black on Windows and ~/.config/black on Linux and other
+ Unix systems.
+ """
+ if sys.platform == "win32":
+ # Windows
+ user_config_path = Path.home() / ".black"
+ else:
+ config_root = os.environ.get("XDG_CONFIG_HOME", "~/.config")
+ user_config_path = Path(config_root).expanduser() / "black"
+ return user_config_path.resolve()
+
+
@dataclass
class Report:
"""Provides a reformatting counter. Can be rendered with `str(report)`."""
return ast3.parse(src, filename, feature_version=feature_version)
except SyntaxError:
continue
-
+ if ast27.__name__ == "ast":
+ raise SyntaxError(
+ "The requested source code has invalid Python 3 syntax.\n"
+ "If you are trying to format Python 2 files please reinstall Black"
+ " with the 'python2' extra: `python3 -m pip install black[python2]`."
+ )
return ast27.parse(src)
projects / etc / vim.git / blobdiff