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duplicate-file-handler
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optimized structure and created test script

This commit is contained in:
Kevin Veen-Birkenbach 2023-11-14 11:06:43 +01:00
parent 73f2bbe409
commit a54274b052
3 changed files with 107 additions and 47 deletions
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2
.gitignore vendored Normal file
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@ -0,0 +1,2 @@
test_dir1
test_dir2

46
create_test_structure.py Normal file
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import os
import shutil
import hashlib
import random
import string
def create_test_directory(base_dir, num_files=5, duplicate_files=2):
if not os.path.exists(base_dir):
os.makedirs(base_dir)
# Erstelle eine Liste von eindeutigen Dateinamen
file_names = [f"file_{i}.txt" for i in range(num_files)]
# Erstelle einige Dateien mit zufälligem Inhalt
for file_name in file_names:
with open(os.path.join(base_dir, file_name), 'w') as f:
content = ''.join(random.choices(string.ascii_lowercase, k=20))
f.write(content)
# Erstelle Duplikate
for i in range(duplicate_files):
original = os.path.join(base_dir, file_names[i])
duplicate = os.path.join(base_dir, f"dup_{file_names[i]}")
shutil.copyfile(original, duplicate)
def create_file_structure():
# Basisverzeichnisse erstellen
base_dirs = ['test_dir1', 'test_dir2']
for base_dir in base_dirs:
create_test_directory(base_dir)
# Erstelle eine Datei im ersten Verzeichnis und dupliziere sie im zweiten
with open(os.path.join('test_dir1', 'unique_file.txt'), 'w') as f:
f.write("This is a unique file.")
shutil.copyfile(os.path.join('test_dir1', 'unique_file.txt'),
os.path.join('test_dir2', 'unique_file.txt'))
# Erstelle eine zusätzliche einzigartige Datei im zweiten Verzeichnis
with open(os.path.join('test_dir2', 'another_unique_file.txt'), 'w') as f:
f.write("This is another unique file.")
print("Test file structure created.")
if __name__ == "__main__":
create_file_structure()

106
main.py
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import os
import sys
import argparse
import hashlib
from collections import defaultdict
from filecmp import dircmp
def md5sum(filename):
hash_md5 = hashlib.md5()
@ -11,58 +10,71 @@ def md5sum(filename):
hash_md5.update(chunk)
return hash_md5.hexdigest()
def find_duplicates(directory):
def find_duplicates(directories):
hashes = defaultdict(list)
for root, dirs, files in os.walk(directory):
for filename in files:
path = os.path.join(root, filename)
file_hash = md5sum(path)
hashes[file_hash].append(path)
for directory in directories:
for root, dirs, files in os.walk(directory):
for filename in files:
path = os.path.join(root, filename)
file_hash = md5sum(path)
hashes[file_hash].append(path)
return {file_hash: paths for file_hash, paths in hashes.items() if len(paths) > 1}
def print_diff(files):
print("Text file differences:")
for i in range(len(files) - 1):
os.system(f"diff {files[i]} {files[i+1]}")
def delete_file(file_path):
confirm = input(f"Do you want to delete this file? {file_path} [y/N] ")
if confirm.lower() in ["y", "yes"]:
os.remove(file_path)
print(f"Deleted {file_path}")
def handle_duplicates(duplicates):
for file_hash, files in duplicates.items():
print(f"Duplicate files for hash {file_hash}:")
for file in files:
print(file)
if "text" in os.popen(f"file -b --mime-type '{files[0]}'").read():
print_diff(files)
else:
def handle_modification(files, modification, mode, apply_to):
if mode == 'preview':
if modification == 'show':
print("Would show the following duplicate files:")
for file in files:
print(f"File: {file}")
print("Duplicate(s) of this file:")
[print(duplicate) for duplicate in files if duplicate != file]
delete_file(file)
if file.startswith(tuple(apply_to)):
print(file)
elif mode == 'act':
if modification == 'delete':
for file in files:
if file.startswith(tuple(apply_to)):
print(f"Deleting {file}")
os.remove(file)
elif modification == 'hardlink':
# Implement hardlink logic here
pass
elif modification == 'symlink':
# Implement symlink logic here
pass
elif mode == 'interactive':
for file in files:
if file.startswith(tuple(apply_to)):
answer = input(f"Do you want to {modification} this file? {file} [y/N] ")
if answer.lower() in ['y', 'yes']:
# Implement deletion, hardlink or symlink logic here
pass
def main(directories):
all_duplicates = defaultdict(list)
for directory in directories:
if not os.path.isdir(directory):
print(f"Directory not found: {directory}")
continue
duplicates = find_duplicates(directory)
for hash, files in duplicates.items():
all_duplicates[hash].extend(files)
def main(args):
directories = args.directories
apply_to = args.apply_to or directories
duplicates = find_duplicates(directories)
if not all_duplicates:
if not duplicates:
print("No duplicates found.")
return
handle_duplicates(all_duplicates)
for file_hash, files in duplicates.items():
if args.mode == 'preview' or (args.mode == 'interactive' and args.modification == 'show'):
print(f"Duplicate files for hash {file_hash}:")
[print(file) for file in files if file.startswith(tuple(apply_to))]
else:
handle_modification(files, args.modification, args.mode, apply_to)
if __name__ == "__main__":
if len(sys.argv) > 1:
main(sys.argv[1:])
else:
print("Usage: python3 script.py <directory1> <directory2> ...")
parser = argparse.ArgumentParser(description="Find and handle duplicate files.")
parser.add_argument('directories', nargs='*', default=['./'], help="Directories to scan for duplicates.")
parser.add_argument('--apply-to', nargs='*', help="Directories to apply modifications to.")
parser.add_argument('--modification', choices=['delete', 'hardlink', 'symlink', 'show'], default='show', help="Modification to perform on duplicates.")
parser.add_argument('--mode', choices=['act', 'preview', 'interactive'], default='preview', help="How to apply the modifications.")
args = parser.parse_args()
if args.apply_to and args.modification not in ['delete', 'hardlink', 'symlink']:
parser.error("--apply-to requires --modification to be 'delete', 'hardlink', or 'symlink'.")
if not args.apply_to and args.modification != 'show':
parser.error("Without --apply-to only 'show' modification is allowed.")
main(args)