Datasets:
Tasks:
Image Classification
Modalities:
Image
Formats:
imagefolder
Languages:
English
Size:
1K - 10K
File size: 2,441 Bytes
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import os
import sys
import random
import shutil
import hashlib
import re
def file_hash(filepath):
hash_sha256 = hashlib.sha256()
with open(filepath, 'rb') as f:
for chunk in iter(lambda: f.read(65536), b''):
hash_sha256.update(chunk)
return hash_sha256.hexdigest()
def remove_duplicates(folder):
hashes = {}
removed = 0
files = [f for f in os.listdir(folder) if os.path.isfile(os.path.join(folder, f))]
for filename in files:
path = os.path.join(folder, filename)
h = file_hash(path)
if h in hashes:
os.remove(path)
removed += 1
else:
hashes[h] = filename
print(f"Removed duplicates: {removed}")
def rename_images(folder):
files = [f for f in os.listdir(folder) if os.path.isfile(os.path.join(folder, f))]
files_to_rename = [f for f in files]
random.shuffle(files_to_rename)
counter = 1
existing = {f for f in files}
for filename in files_to_rename:
ext = os.path.splitext(filename)[1]
while True:
new_name = f"image{counter}{ext}"
counter += 1
if new_name not in existing:
break
src = os.path.join(folder, filename)
dst = os.path.join(folder, new_name)
os.rename(src, dst)
existing.add(new_name)
print(f"Renamed files: {len(files_to_rename)}")
def validate_split(folder, val_folder):
files = [f for f in os.listdir(folder) if os.path.isfile(os.path.join(folder, f))]
val_count = max(1, len(files) // 10)
val_files = random.sample(files, val_count)
os.makedirs(val_folder, exist_ok=True)
for f in val_files:
shutil.move(os.path.join(folder, f), os.path.join(val_folder, f))
print(f"Moved {val_count} files to {val_folder} for validation.")
def main():
if len(sys.argv) < 2:
print("Usage: python utils.py <folder> [--dedup | --validate <folder> | --rename]")
sys.exit(1)
img_folder = sys.argv[1]
if len(sys.argv) == 2:
remove_duplicates(img_folder)
rename_images(img_folder)
elif sys.argv[2] == "--dedup":
remove_duplicates(img_folder)
elif sys.argv[2] == "--validate" and len(sys.argv) == 4:
validate_split(img_folder, sys.argv[3])
elif sys.argv[2] == "--rename":
rename_images(img_folder)
else:
print("Invalid arguments.")
if __name__ == "__main__":
main()
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