from mypy_extensions import mypyc_attr
from black import WriteBack, format_file_in_place
-from black.cache import Cache, filter_cached, read_cache, write_cache
+from black.cache import Cache
from black.mode import Mode
from black.output import err
from black.report import Changed, Report
def shutdown(loop: asyncio.AbstractEventLoop) -> None:
"""Cancel all pending tasks on `loop`, wait for them, and close the loop."""
try:
- if sys.version_info[:2] >= (3, 7):
- all_tasks = asyncio.all_tasks
- else:
- all_tasks = asyncio.Task.all_tasks
# This part is borrowed from asyncio/runners.py in Python 3.7b2.
- to_cancel = [task for task in all_tasks(loop) if not task.done()]
+ to_cancel = [task for task in asyncio.all_tasks(loop) if not task.done()]
if not to_cancel:
return
executor: Executor
if workers is None:
- workers = os.cpu_count() or 1
+ workers = int(os.environ.get("BLACK_NUM_WORKERS", 0))
+ workers = workers or os.cpu_count() or 1
if sys.platform == "win32":
# Work around https://bugs.python.org/issue26903
workers = min(workers, 60)
`write_back`, `fast`, and `mode` options are passed to
:func:`format_file_in_place`.
"""
- cache: Cache = {}
+ cache = Cache.read(mode)
if write_back not in (WriteBack.DIFF, WriteBack.COLOR_DIFF):
- cache = read_cache(mode)
- sources, cached = filter_cached(cache, sources)
+ sources, cached = cache.filtered_cached(sources)
for src in sorted(cached):
report.done(src, Changed.CACHED)
if not sources:
if cancelled:
await asyncio.gather(*cancelled, return_exceptions=True)
if sources_to_cache:
- write_cache(cache, sources_to_cache, mode)
+ cache.write(sources_to_cache)