X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/bbe1bdf1edfedf51b40824c5574413c0b1b35284..6debce63bc2429b1680f8838592f2e56e3df6b27:/src/black/__init__.py diff --git a/src/black/__init__.py b/src/black/__init__.py index 6a703e4..2d04cf8 100644 --- a/src/black/__init__.py +++ b/src/black/__init__.py @@ -1,7 +1,6 @@ import asyncio from json.decoder import JSONDecodeError import json -from concurrent.futures import Executor, ThreadPoolExecutor, ProcessPoolExecutor from contextlib import contextmanager from datetime import datetime from enum import Enum @@ -10,12 +9,14 @@ from multiprocessing import Manager, freeze_support import os from pathlib import Path from pathspec.patterns.gitwildmatch import GitWildMatchPatternError +import platform import re import signal import sys import tokenize import traceback from typing import ( + TYPE_CHECKING, Any, Dict, Generator, @@ -39,7 +40,7 @@ from mypy_extensions import mypyc_attr from black.const import DEFAULT_LINE_LENGTH, DEFAULT_INCLUDES, DEFAULT_EXCLUDES from black.const import STDIN_PLACEHOLDER from black.nodes import STARS, syms, is_simple_decorator_expression -from black.nodes import is_string_token +from black.nodes import is_string_token, is_number_token from black.lines import Line, EmptyLineTracker from black.linegen import transform_line, LineGenerator, LN from black.comments import normalize_fmt_off @@ -49,7 +50,12 @@ from black.cache import read_cache, write_cache, get_cache_info, filter_cached, from black.concurrency import cancel, shutdown, maybe_install_uvloop from black.output import dump_to_file, ipynb_diff, diff, color_diff, out, err from black.report import Report, Changed, NothingChanged -from black.files import find_project_root, find_pyproject_toml, parse_pyproject_toml +from black.files import ( + find_project_root, + find_pyproject_toml, + parse_pyproject_toml, + find_user_pyproject_toml, +) from black.files import gen_python_files, get_gitignore, normalize_path_maybe_ignore from black.files import wrap_stream_for_windows from black.parsing import InvalidInput # noqa F401 @@ -71,6 +77,9 @@ from blib2to3.pgen2 import token from _black_version import version as __version__ +if TYPE_CHECKING: + from concurrent.futures import Executor + COMPILED = Path(__file__).suffix in (".pyd", ".so") # types @@ -291,7 +300,8 @@ def validate_regex( type=str, help=( "Require a specific version of Black to be running (useful for unifying results" - " across many environments e.g. with a pyproject.toml file)." + " across many environments e.g. with a pyproject.toml file). It can be" + " either a major version number or an exact version." ), ) @click.option( @@ -375,7 +385,10 @@ def validate_regex( ) @click.version_option( version=__version__, - message=f"%(prog)s, %(version)s (compiled: {'yes' if COMPILED else 'no'})", + message=( + f"%(prog)s, %(version)s (compiled: {'yes' if COMPILED else 'no'})\n" + f"Python ({platform.python_implementation()}) {platform.python_version()}" + ), ) @click.argument( "src", @@ -401,7 +414,7 @@ def validate_regex( help="Read configuration from FILE path.", ) @click.pass_context -def main( +def main( # noqa: C901 ctx: click.Context, code: Optional[str], line_length: int, @@ -468,13 +481,27 @@ def main( if config: config_source = ctx.get_parameter_source("config") - if config_source in (ParameterSource.DEFAULT, ParameterSource.DEFAULT_MAP): + user_level_config = str(find_user_pyproject_toml()) + if config == user_level_config: + out( + "Using configuration from user-level config at " + f"'{user_level_config}'.", + fg="blue", + ) + elif config_source in ( + ParameterSource.DEFAULT, + ParameterSource.DEFAULT_MAP, + ): out("Using configuration from project root.", fg="blue") else: out(f"Using configuration in '{config}'.", fg="blue") error_msg = "Oh no! 💥 💔 💥" - if required_version and required_version != __version__: + if ( + required_version + and required_version != __version__ + and required_version != __version__.split(".")[0] + ): err( f"{error_msg} The required version `{required_version}` does not match" f" the running version `{__version__}`!" @@ -677,6 +704,9 @@ def reformat_code( report.failed(path, str(exc)) +# diff-shades depends on being to monkeypatch this function to operate. I know it's +# not ideal, but this shouldn't cause any issues ... hopefully. ~ichard26 +@mypyc_attr(patchable=True) def reformat_one( src: Path, fast: bool, write_back: WriteBack, mode: Mode, report: "Report" ) -> None: @@ -740,6 +770,8 @@ def reformat_many( workers: Optional[int], ) -> None: """Reformat multiple files using a ProcessPoolExecutor.""" + from concurrent.futures import Executor, ThreadPoolExecutor, ProcessPoolExecutor + executor: Executor loop = asyncio.get_event_loop() worker_count = workers if workers is not None else DEFAULT_WORKERS @@ -781,7 +813,7 @@ async def schedule_formatting( mode: Mode, report: "Report", loop: asyncio.AbstractEventLoop, - executor: Executor, + executor: "Executor", ) -> None: """Run formatting of `sources` in parallel using the provided `executor`. @@ -1140,13 +1172,13 @@ def format_str(src_contents: str, *, mode: Mode) -> str: def _format_str_once(src_contents: str, *, mode: Mode) -> str: src_node = lib2to3_parse(src_contents.lstrip(), mode.target_versions) dst_contents = [] - future_imports = get_future_imports(src_node) if mode.target_versions: versions = mode.target_versions else: + future_imports = get_future_imports(src_node) versions = detect_target_versions(src_node, future_imports=future_imports) - normalize_fmt_off(src_node) + normalize_fmt_off(src_node, preview=mode.preview) lines = LineGenerator(mode=mode) elt = EmptyLineTracker(is_pyi=mode.is_pyi) empty_line = Line(mode=mode) @@ -1213,8 +1245,7 @@ def get_features_used( # noqa: C901 if value_head in {'f"', 'F"', "f'", "F'", "rf", "fr", "RF", "FR"}: features.add(Feature.F_STRINGS) - elif n.type == token.NUMBER: - assert isinstance(n, Leaf) + elif is_number_token(n): if "_" in n.value: features.add(Feature.NUMERIC_UNDERSCORES) @@ -1269,6 +1300,25 @@ def get_features_used( # noqa: C901 ): features.add(Feature.ANN_ASSIGN_EXTENDED_RHS) + elif ( + n.type == syms.except_clause + and len(n.children) >= 2 + and n.children[1].type == token.STAR + ): + features.add(Feature.EXCEPT_STAR) + + elif n.type in {syms.subscriptlist, syms.trailer} and any( + child.type == syms.star_expr for child in n.children + ): + features.add(Feature.VARIADIC_GENERICS) + + elif ( + n.type == syms.tname_star + and len(n.children) == 3 + and n.children[2].type == syms.star_expr + ): + features.add(Feature.VARIADIC_GENERICS) + return features @@ -1338,10 +1388,10 @@ def assert_equivalent(src: str, dst: str) -> None: src_ast = parse_ast(src) except Exception as exc: raise AssertionError( - f"cannot use --safe with this file; failed to parse source file AST: " + "cannot use --safe with this file; failed to parse source file AST: " f"{exc}\n" - f"This could be caused by running Black with an older Python version " - f"that does not support new syntax used in your source file." + "This could be caused by running Black with an older Python version " + "that does not support new syntax used in your source file." ) from exc try: @@ -1360,7 +1410,7 @@ def assert_equivalent(src: str, dst: str) -> None: log = dump_to_file(diff(src_ast_str, dst_ast_str, "src", "dst")) raise AssertionError( "INTERNAL ERROR: Black produced code that is not equivalent to the" - f" source. Please report a bug on " + " source. Please report a bug on " f"https://github.com/psf/black/issues. This diff might be helpful: {log}" ) from None @@ -1404,13 +1454,23 @@ def patch_click() -> None: file paths is minimal since it's Python source code. Moreover, this crash was spurious on Python 3.7 thanks to PEP 538 and PEP 540. """ + modules: List[Any] = [] try: from click import core - from click import _unicodefun - except ModuleNotFoundError: - return + except ImportError: + pass + else: + modules.append(core) + try: + # Removed in Click 8.1.0 and newer; we keep this around for users who have + # older versions installed. + from click import _unicodefun # type: ignore + except ImportError: + pass + else: + modules.append(_unicodefun) - for module in (core, _unicodefun): + for module in modules: if hasattr(module, "_verify_python3_env"): module._verify_python3_env = lambda: None # type: ignore if hasattr(module, "_verify_python_env"):