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import argparse
import errno
import os
import process_command_files as pcf
import shutil
import sys
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument('--build-root', required=True)
parser.add_argument('--dst-dir', required=True)
parser.add_argument('--existing', choices=('skip', 'overwrite'), default='overwrite')
parser.add_argument('--source-root', required=True)
parser.add_argument('--src-dir', required=None)
parser.add_argument('files', nargs='*')
return parser.parse_args(pcf.get_args(sys.argv[1:]))
def makedirs(dirname):
try:
os.makedirs(dirname)
except OSError as e:
if e.errno == errno.EEXIST and os.path.isdir(dirname):
pass
else:
raise
def copy_file(src, dst, overwrite=False, orig_path=None, generated=False):
if os.path.exists(dst) and not overwrite:
return
makedirs(os.path.dirname(dst))
with open(src, 'r') as fsrc, open(dst, 'w') as fdst:
if (orig_path or generated) and src.endswith('.md'):
fdst.write('---\n{}\n\n---\n'.format('generated: true' if generated else 'vcsPath: {}'.format(orig_path)))
shutil.copyfileobj(fsrc, fdst)
def main():
args = parse_args()
source_root = os.path.normpath(args.source_root) + os.path.sep
build_root = os.path.normpath(args.build_root) + os.path.sep
dst_dir = os.path.normpath(args.dst_dir)
assert dst_dir.startswith(build_root)
makedirs(dst_dir)
src_dir = os.path.normpath(args.src_dir) + os.path.sep
assert src_dir.startswith(source_root)
if src_dir.startswith(source_root):
root = source_root
is_from_source_root = True
elif src_dir.startswith(build_root):
root = build_root
is_from_source_root = False
else:
assert False, 'src_dir [{}] should start with [{}] or [{}]'.format(src_dir, source_root, build_root)
is_overwrite_existing = args.existing == 'overwrite'
for f in [os.path.normpath(f) for f in args.files]:
src_file = os.path.join(src_dir, f)
dst_file = os.path.join(dst_dir, f)
if src_file == dst_file:
continue
rel_path = src_file[len(root):] if is_from_source_root else None
copy_file(src_file, dst_file, overwrite=is_overwrite_existing, orig_path=rel_path)
if __name__ == '__main__':
main()
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