def main(
ctx: click.Context,
code: Optional[str],
line_length: int,
target_version: List[TargetVersion],
check: bool,
diff: bool,
fast: bool,
pyi: bool,
py36: bool,
skip_string_normalization: bool,
single_quotes: bool,
quiet: bool,
verbose: bool,
include: str,
exclude: str,
src: Tuple[str],
config: Optional[str],
) -> None:
"""The uncompromising code formatter."""
write_back = WriteBack.from_configuration(check=check, diff=diff)
if target_version:
if py36:
err('Cannot use both --target-version and --py36')
ctx.exit(2)
else:
versions = set(target_version)
elif py36:
err('--py36 is deprecated and will be removed in a future version. '
'Use --target-version py36 instead.')
versions = PY36_VERSIONS
else:
# We'll autodetect later.
versions = set()
mode = FileMode(
target_versions=versions,
line_length=line_length,
is_pyi=pyi,
string_normalization=not skip_string_normalization,
)
if single_quotes:
black.normalize_string_quotes = patched_normalize_string_quotes
if config and verbose:
out(f'Using configuration from {config}.', bold=False, fg='blue')
if code is not None:
print(format_str(code, mode=mode))
ctx.exit(0)
try:
include_regex = re_compile_maybe_verbose(include)
except re.error:
err(f'Invalid regular expression for include given: {include!r}')
ctx.exit(2)
try:
exclude_regex = re_compile_maybe_verbose(exclude)
except re.error:
err(f'Invalid regular expression for exclude given: {exclude!r}')
ctx.exit(2)
report = Report(check=check, quiet=quiet, verbose=verbose)
root = find_project_root(src)
sources: Set[Path] = set()
path_empty(src=src, quiet=quiet, verbose=verbose, ctx=ctx, msg=None)
for s in src:
p = Path(s)
if p.is_dir():
sources.update(
gen_python_files_in_dir(
p,
root,
include_regex,
exclude_regex,
report,
get_gitignore(root),
))
elif p.is_file() or s == '-':
# if a file was explicitly given, we don't care about its extension
sources.add(p)
else:
err(f'invalid path: {s}')
if len(sources) == 0:
if verbose or not quiet:
out('No Python files are present to be formatted. Nothing to do 😴')
ctx.exit(0)
reformat_many(
sources=sources,
fast=fast,
write_back=write_back,
mode=mode,
report=report,
)
if verbose or not quiet:
out('Oh no! 💥 💔 💥' if report.return_code else 'All done! ✨ 🍰 ✨')
click.secho(str(report), err=True)
ctx.exit(report.return_code)
def cli(
ctx: click.Context,
line_length: int,
check: bool,
include: Pattern[str],
exclude: Pattern[str],
extend_exclude: Optional[Pattern[str]],
force_exclude: Optional[Pattern[str]],
stdin_filename: Optional[str],
quiet: bool,
verbose: bool,
clear_output: bool,
src: Tuple[str, ...],
config: Optional[str],
) -> None:
"""
The uncompromising code formatter, for Jupyter notebooks.
"""
write_back = black.WriteBack.from_configuration(check=check, diff=False)
mode = black.Mode(
target_versions=TARGET_VERSIONS,
line_length=line_length,
is_pyi=False,
string_normalization=True,
)
if config and verbose:
black.out(f"Using configuration from {config}.", bold=False, fg="blue")
report = black.Report(check=check, quiet=quiet, verbose=verbose)
sources = black.get_sources(
ctx=ctx,
src=src,
quiet=quiet,
verbose=verbose,
include=include,
exclude=exclude,
force_exclude=force_exclude,
report=report,
extend_exclude=extend_exclude,
stdin_filename=stdin_filename,
)
black.path_empty(
sources,
"No Jupyter notebooks are present to be formatted. Nothing to do 😴",
quiet,
verbose,
ctx,
)
for source in sources:
reformat_one(
src=source,
write_back=write_back,
mode=mode,
clear_output=clear_output,
report=report,
quiet=quiet,
verbose=verbose,
)
if verbose or not quiet:
black.out("All done! ✨ 🍰 ✨")
click.secho(str(report), err=True)
ctx.exit(report.return_code)