X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/f87df0e3c8735de416b6392ce7f21c6ba194424d..9aa33f467bafce081635ce88807d42b10b0a3105:/src/black/__init__.py diff --git a/src/black/__init__.py b/src/black/__init__.py index 51e31e9..d2df1cb 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 @@ -76,6 +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 @@ -381,7 +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", @@ -697,6 +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: @@ -760,8 +770,9 @@ 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 if sys.platform == "win32": # Work around https://bugs.python.org/issue26903 @@ -776,6 +787,8 @@ def reformat_many( # any good due to the Global Interpreter Lock) executor = ThreadPoolExecutor(max_workers=1) + loop = asyncio.new_event_loop() + asyncio.set_event_loop(loop) try: loop.run_until_complete( schedule_formatting( @@ -789,7 +802,10 @@ def reformat_many( ) ) finally: - shutdown(loop) + try: + shutdown(loop) + finally: + asyncio.set_event_loop(None) if executor is not None: executor.shutdown() @@ -801,7 +817,7 @@ 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`. @@ -1160,10 +1176,10 @@ 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, preview=mode.preview) @@ -1233,8 +1249,7 @@ 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) @@ -1289,6 +1304,25 @@ 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 @@ -1424,13 +1458,23 @@ 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"):