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#!/usr/bin/env python3
#
# Copyright (C) 2015-2022 Matthias Klumpp <mak@debian.org>
#
# SPDX-License-Identifier: LGPL-2.1+
#
# Format all AppStream source code in-place.
#
import os
import sys
import shutil
import fnmatch
import subprocess
import tempfile
from glob import glob
INCLUDE_LOCATIONS = [
'autoformat.py',
'compose',
'contrib',
'data',
'docs',
'src',
'qt',
'tests',
'tools',
]
EXCLUDE_MATCH = []
EXTRA_STYLE_RULES_FOR = [
(
[
'AlignConsecutiveDeclarations: AcrossEmptyLinesAndComments',
'AlignConsecutiveAssignments: AcrossComments',
'PenaltyReturnTypeOnItsOwnLine: 1000',
],
[
'*/compose/*.h',
'*/contrib/*.h',
'*/data/*.h',
'*/docs/*.h',
'*/src/*.h',
'*/tests/*.h',
'*/tools/*.h',
],
),
]
def format_cpp_sources(sources, style_fname=None, extra_styles: list[str] = None):
"""Format C/C++ sources with clang-format."""
if not sources:
return
command = ['clang-format', '-i']
if extra_styles:
style_rules = []
if style_fname:
with open(style_fname, 'r') as f:
style_rules = [l.strip() for l in f.readlines()]
with tempfile.NamedTemporaryFile(mode='w') as fp:
style_rules.extend(extra_styles)
fp.write('\n'.join(style_rules))
fp.flush()
command.append('--style=file:{}'.format(fp.name))
command.extend(sources)
subprocess.run(command, check=True)
return
if style_fname:
command.append('--style=file:{}'.format(style_fname))
command.extend(sources)
subprocess.run(command, check=True)
def format_python_sources(sources):
"""Format Python sources with Black."""
command = [
'black',
'-S', # no string normalization
'-l',
'100', # line length
'-t',
'py311', # minimum Python target
]
command.extend(sources)
subprocess.run(command, check=True)
def run(current_dir, args):
# check for tools
if not shutil.which('clang-format'):
print(
'The `clang-format` formatter is not installed. Please install it to continue!',
file=sys.stderr,
)
return 1
if not shutil.which('black'):
print(
'The `black` formatter is not installed. Please install it to continue!',
file=sys.stderr,
)
return 1
# if no include directories are explicitly specified, we read all locations
if not INCLUDE_LOCATIONS:
INCLUDE_LOCATIONS.append('.')
# collect sources
cpp_sources = []
cpp_style_matches = [[]] * len(EXTRA_STYLE_RULES_FOR)
py_sources = []
for il_path_base in INCLUDE_LOCATIONS:
il_path = os.path.join(current_dir, il_path_base)
if os.path.isfile(il_path):
candidates = [il_path]
else:
candidates = glob(il_path + '/**/*', recursive=True)
for filename in candidates:
skip = False
for exclude in EXCLUDE_MATCH:
if fnmatch.fnmatch(filename, exclude):
skip = True
break
if skip:
continue
if filename.endswith(('.c', '.cpp', '.h', '.hpp')):
cpp_sources.append(filename)
for i, er in enumerate(EXTRA_STYLE_RULES_FOR):
for pattern in er[1]:
if fnmatch.fnmatch(filename, pattern):
cpp_style_matches[i].append(filename)
break
elif filename.endswith('.py'):
py_sources.append(filename)
# format
format_python_sources(py_sources)
format_cpp_sources(cpp_sources)
for i, er in enumerate(EXTRA_STYLE_RULES_FOR):
format_cpp_sources(
cpp_style_matches[i],
os.path.join(current_dir, '.clang-format'),
er[0],
)
return 0
if __name__ == '__main__':
thisfile = __file__
if not os.path.isabs(thisfile):
thisfile = os.path.normpath(os.path.join(os.getcwd(), thisfile))
thisdir = os.path.normpath(os.path.join(os.path.dirname(thisfile)))
os.chdir(thisdir)
sys.exit(run(thisdir, sys.argv[1:]))
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