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|
#!/usr/bin/env python3
import argparse
import os
import re
def _main():
example_dir = os.path.dirname(__file__)
args = _parse_args()
renames = []
for name in sorted(os.listdir(example_dir)):
path = os.path.join(example_dir, name)
match = re.match("([0-9]+)(-.*)", name)
if os.path.isdir(path) and match is not None:
old_number = int(match[1])
is_in_range = (
(args.from_number is None or args.from_number <= old_number) and
(args.to_number is None or old_number <= args.to_number)
)
if is_in_range:
new_number = old_number + args.delta
new_name = f"{new_number:02}{match[2]}"
new_path = os.path.join(example_dir, new_name)
print(f"{name} -> {new_name}")
if os.path.exists(new_path):
raise ValueError("destination already exists")
renames.append((path, new_path))
for old_path, new_path in renames:
os.rename(old_path, new_path)
def _parse_args():
parser = argparse.ArgumentParser()
parser.add_argument("--delta", required=True, type=int)
parser.add_argument("--from", required=False, type=int, dest="from_number")
parser.add_argument("--to", required=False, type=int, dest="to_number")
return parser.parse_args()
if __name__ == "__main__":
_main()
|
