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#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2018-2023 Chris Lamb <lamby@debian.org>
#
# diffoscope is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# diffoscope is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with diffoscope. If not, see <https://www.gnu.org/licenses/>.
import subprocess
from .utils.tools import skip_unless_tool_is_at_least
def black_version():
try:
out = subprocess.check_output(("black", "--version"))
except subprocess.CalledProcessError as exc:
out = exc.output
# black --version format changed starting in 21.11b0. Returning the first
# token starting with a decimal digit, since its ordinal position may vary.
return [
x for x in out.strip().decode("utf-8").split(" ") if x[0].isdigit()
]
@skip_unless_tool_is_at_least("black", black_version, "23.1.0")
def test_code_is_black_clean():
output = subprocess.check_output(
("black", "--diff", "."), stderr=subprocess.PIPE
).decode("utf-8")
# Display diff in "captured stdout call"
if output:
print(output)
assert not output, output
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