VNTools/vnrecode/utils.py

91 lines
3.2 KiB
Python

from shutil import copyfile
import hashlib
import sys
import os
class Utils:
def __init__(self, params_inst, printer_inst):
self.__errors = 0
self.__params = params_inst
self.__printer = printer_inst
self.__duplicates = []
@staticmethod
def sys_pause():
if sys.platform == "win32":
os.system("pause")
@staticmethod
def get_size(directory: str) -> int:
total_size = 0
for folder, folders, files in os.walk(directory):
for file in files:
if not os.path.islink(os.path.join(folder, file)):
total_size += os.path.getsize(os.path.join(folder, file))
return total_size
@staticmethod
def get_hash(filename: str) -> str:
return hashlib.md5(filename.encode()).hexdigest()[:8]
def get_compression_status(self):
source_len = 0
output_len = 0
for folder, folders, files in os.walk(self.__params.source):
source_len += len(files)
for folder, folders, files in os.walk(self.__params.dest):
for file in files:
if not os.path.splitext(file)[1].count("(vncopy)"):
output_len += 1
if self.__errors != 0:
self.__printer.warning("Some files failed to compress!")
if source_len == output_len:
self.__printer.info("Success!")
else:
self.__printer.warning("Original and compressed folders are not identical!")
try:
source = self.get_size(self.__params.source)
output = self.get_size(self.__params.dest)
print(f"\nResult: {source/1024/1024:.2f}MB -> "
f"{output/1024/1024:.2f}MB ({(output - source)/1024/1024:.2f}MB)")
except ZeroDivisionError:
self.__printer.warning("Nothing compressed!")
def catch_unprocessed(self, source, output, error):
self.copy_unprocessed(source, error)
self.__errors += 1
if not self.__params.hide_errors:
self.__printer.error(f"File {os.path.split(source)[-1]} can't be processed! Error: {error}")
def copy_unprocessed(self, source, output):
if self.__params.copy_unprocessed:
copyfile(source, output)
self.__printer.info(f"File {os.path.split(source)[-1]} copied to compressed folder.")
def catch_duplicates(self, path: str) -> str:
if os.path.exists(path):
new_path = os.path.splitext(path)[0] + "(vncopy)" + os.path.splitext(path)[1]
self.__duplicates.append(new_path)
return new_path
return path
def print_duplicates(self):
for filename in self.__duplicates:
self.__printer.warning(
f'Duplicate file has been found! Check manually this files - "{filename}", '
f'"{os.path.splitext(filename)[0] + "(vncopy)" + os.path.splitext(filename)[1]}"'
)
def out_rename(self, filename: str, target: str):
if not self.__params.mimic_mode:
dest_name = self.catch_duplicates(os.path.join(os.path.dirname(filename), target))
os.rename(filename, dest_name)
else:
os.rename(filename, os.path.join(os.path.dirname(filename), target))