checksummer.py
· 1.3 KiB · Python
Raw
#!/usr/bin/env python3
import zlib
import os
import sys
import argparse
def crc32_file(filename):
with open(filename, "rb") as f:
return hex(zlib.crc32(f.read())).upper()[2:].zfill(8)
def get_files_recursively(directory="."):
for root, dirs, files in os.walk(directory):
for name in files:
yield os.path.join(root, name)
def add_crc_to_fn(filename):
new_name = "{0} [{2}]{1}".format(*os.path.splitext(filename), crc32_file(filename))
print("{} >> {}".format(filename, new_name))
os.rename(filename, new_name)
def add_crc_to_sfv(filename):
crc = crc32_file(filename)
dirname = os.path.dirname(filename)
line = "{} {}\n".format(os.path.basename(filename), crc)
sfv_path = os.path.join(dirname, os.path.basename(dirname) + ".sfv")
with open(sfv_path, "a") as f:
f.write(line)
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("--directory", default=".")
parser.add_argument("--filename", help="Writes checksum into filename", action="store_true")
args = parser.parse_args()
for filename in get_files_recursively(directory=args.directory):
if args.filename:
add_crc_to_fn(filename)
else:
add_crc_to_sfv(filename)
| 1 | #!/usr/bin/env python3 |
| 2 | import zlib |
| 3 | import os |
| 4 | import sys |
| 5 | import argparse |
| 6 | |
| 7 | def crc32_file(filename): |
| 8 | with open(filename, "rb") as f: |
| 9 | return hex(zlib.crc32(f.read())).upper()[2:].zfill(8) |
| 10 | |
| 11 | def get_files_recursively(directory="."): |
| 12 | for root, dirs, files in os.walk(directory): |
| 13 | for name in files: |
| 14 | yield os.path.join(root, name) |
| 15 | |
| 16 | def add_crc_to_fn(filename): |
| 17 | new_name = "{0} [{2}]{1}".format(*os.path.splitext(filename), crc32_file(filename)) |
| 18 | print("{} >> {}".format(filename, new_name)) |
| 19 | os.rename(filename, new_name) |
| 20 | |
| 21 | def add_crc_to_sfv(filename): |
| 22 | crc = crc32_file(filename) |
| 23 | dirname = os.path.dirname(filename) |
| 24 | line = "{} {}\n".format(os.path.basename(filename), crc) |
| 25 | sfv_path = os.path.join(dirname, os.path.basename(dirname) + ".sfv") |
| 26 | with open(sfv_path, "a") as f: |
| 27 | f.write(line) |
| 28 | |
| 29 | if __name__ == "__main__": |
| 30 | parser = argparse.ArgumentParser() |
| 31 | parser.add_argument("--directory", default=".") |
| 32 | parser.add_argument("--filename", help="Writes checksum into filename", action="store_true") |
| 33 | args = parser.parse_args() |
| 34 | for filename in get_files_recursively(directory=args.directory): |
| 35 | if args.filename: |
| 36 | add_crc_to_fn(filename) |
| 37 | else: |
| 38 | add_crc_to_sfv(filename) |