Tools: Port refraction's bulk compression script to Python

This commit is contained in:
TheTechnician27 2024-07-17 09:37:34 -05:00
parent cd3e11bff7
commit 826462647d
1 changed files with 418 additions and 0 deletions

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bin/utils/bulk_compression.py Executable file
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# PCSX2 - PS2 Emulator for PCs
# Copyright (C) 2024 PCSX2 Dev Team
#
# PCSX2 is free software: you can redistribute it and/or modify it under the terms
# of the GNU Lesser General Public License as published by the Free Software Found-
# ation, either version 3 of the License, or (at your option) any later version.
#
# PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
# PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with PCSX2.
# If not, see <https://www.gnu.org/licenses/>.
import sys
import os
import re
from subprocess import Popen, PIPE
from os.path import exists
gamecount = [0]
# =================================================================================================
def deletionChoice(source_extension): # Choose to delete source files
yesno = {
"n" : 0,
"no" : 0,
"y" : 1,
"yes" : 1,
}
print("╟-------------------------------------------------------------------------------╢")
print(f"║ Do you want to delete the original {source_extension.upper()} files as they are converted?")
choice = input("║ Type Y or N then press ENTER: ").lower()
if (not choice in yesno):
exitInvalidOption()
return (yesno[choice])
# -------------------------------------------------------------------------------------------------
def blockSizeChoice(is_cd, decompressing): # Choose block size
if (decompressing):
return 0
sizes = {
"1" : 16384,
"2" : 131072,
"3" : 262144,
} if not is_cd else {
"1": 17136,
"2": 132192,
"3": 264384,
}
print("╟-------------------------------------------------------------------------------╢")
print("║ Please pick the block size you would like to use:")
print("")
print("║ 1 - 16 kB (bigger files, faster access/less CPU, choose this if unsure)")
print("║ 2 - 128 kB (balanced)")
print("║ 3 - 256 kB (smaller files, slower access/more CPU)")
print("")
blocksize = input("║ Type the number corresponding to your selection then press ENTER: ")
if (not blocksize in sizes):
exitInvalidOption()
return (sizes[blocksize])
# =================================================================================================
def checkSuccess(compressing, fname, extension, error_code): # Ensure file created properly
target_fname = f"{fname}.{extension}"
if (error_code):
print("╠===============================================================================╣")
if (compressing):
print(f"║ Compression to {extension.upper()} failed for the following:{(37 - len(extension)) * ' '}")
else:
print(f"║ Extraction to {extension.upper()} failed for the following:{(38 - len(extension)) * ' '}")
print(f"{target_fname}{(77 - len(target_fname)) * ' '}")
print("╚===============================================================================╝")
sys.exit(1)
print(f"{target_fname} created.{(69 - len(target_fname)) * ' '}")
# -------------------------------------------------------------------------------------------------
def checkProgramMissing(program):
if (sys.platform.startswith('win32') and exists(f"./{program}.exe")):
return # Windows
else: # Linux, macOS
from shutil import which
if (which(program) is not None):
return
print("╠===============================================================================╗")
print(f"{program} failed, {program} is missing.{(39 - (len(program) * 2)) * ' '}")
print("╚===============================================================================╝")
sys.exit(1)
# -------------------------------------------------------------------------------------------------
def checkBinCueMismatch(bin_files, cue_files): # Ensure all bins and cues match
if (len(bin_files) != len(cue_files)): # Ensure numerical parity
exitBinCueMismatch()
for fname in bin_files: # Ensure filename parity
if (f"{fname[:-4]}.cue" not in cue_files):
exitBinCueMismatch()
# -------------------------------------------------------------------------------------------------
def checkDuplicates(source_files, target_extensions, crash_protection_type=0):
dupe_options = {
"s" : 0,
"skip" : 0,
"o" : 1,
"overwrite" : 1,
}
dupe_files = []
dupe_names = []
target_files = []
for extension in target_extensions:
target_files[len(target_files):] = returnFilteredPwdContents(extension)
for fname in source_files:
for extension in target_extensions:
target_fname = f"{fname[:-4]}.{extension}"
if (target_fname in target_files):
dupe_files.append(target_fname)
match crash_protection_type:
case 0:
pass
case 1: # Skip any dupe files no matter what
[dupe_names.append(fname[:-4]) for fname in dupe_files if fname[:-4] not in dupe_names]
return dupe_names
case 2: # Only skip if intermediate .iso present
[dupe_names.append(fname[:-4]) for fname in dupe_files if fname[:-4] not in dupe_names and fname[-4:] == ".iso"]
case _:
pass
if (not dupe_files):
return dupe_names
print("╟-------------------------------------------------------------------------------╢")
print("║ The following files were found which would be overwritten:")
for fname in dupe_files:
print(f"║ - {fname}")
print("")
print("║ You may choose to OVERWRITE or SKIP all of these.")
if (crash_protection_type == 2):
print("║ NOTE: chdman cannot overwrite .iso files. These will be skipped regardless.")
choice = input("║ Press 'O' to overwrite or 'S' to skip and press ENTER: ").lower()
if (choice in dupe_options):
if (not dupe_options[choice]): # Skip
[dupe_names.append(fname[:-4]) for fname in dupe_files if fname[:-4] not in dupe_names]
return dupe_names
else:
exitInvalidOption()
# =================================================================================================
def printInitialStatus(decompressing, target_fname):
if (gamecount[0] != 0):
print("╟-------------------------------------------------------------------------------╢")
gamecount[0] += 1
if (decompressing):
print(f"║ Extracting to {target_fname}... ({gamecount[0]}){(58 - len(target_fname) - len(str(gamecount[0]))) * ' '}")
else:
print(f"║ Compressing to {target_fname}... ({gamecount[0]}){(57 - len(target_fname) - len(str(gamecount[0]))) * ' '}")
# -------------------------------------------------------------------------------------------------
def printSkip(target_fname):
if (gamecount[0] != 0):
print("╟-------------------------------------------------------------------------------╢")
gamecount[0] += 1
print(f"║ Skipping creation of {target_fname}{(57 - len(target_fname)) * ' '}")
# =================================================================================================
def createCommandList(mode, source_fname, target_fname, blocksize=0):
match mode:
case 1:
return [["maxcso", f"--block={blocksize}", source_fname]]
case 2:
return [["chdman", "createraw", "-us", "2048", "-hs", f"{blocksize}", "-f", "-i", source_fname, "-o", target_fname]]
case 3:
return [["chdman", "createcd", "-hs", f"{blocksize}", "-i", source_fname, "-o", f"{source_fname[:-4]}.chd"]]
case 4:
return [["maxcso", "--decompress", source_fname],
["chdman", "createraw", "-us", "2048", "-hs", f"{blocksize}", "-f", "-i", f"{source_fname[:-4]}.iso", "-o", f"{source_fname[:-4]}.chd"]]
case 5:
return [["chdman", "extractraw", "-i", source_fname, "-o", f"{source_fname[:-4]}.iso"],
["maxcso", f"--block={blocksize}", f"{source_fname[:-4]}.iso"]]
case 6:
return [["chdman", "extractraw", "-i", source_fname, "-o", target_fname]]
case 7:
return [["chdman", "extractcd", "-i", source_fname, "-o", target_fname]]
case 8:
return [["maxcso", "--decompress", source_fname]]
case _:
print("You definitely should not be here right now.")
sys.exit(1)
# =================================================================================================
def returnFilteredPwdContents(file_extension): # Get files in pwd with extension
extension_pattern = r".*\." + file_extension.lower()
extension_reg = re.compile(extension_pattern)
return [fname for fname in os.listdir('.') if extension_reg.match(fname)]
# -------------------------------------------------------------------------------------------------
def deleteFile(fname): # Delete a file in pwd
print(f"║ Deleting {fname}...{(66 - len(fname)) * ' '}")
os.remove(f"./{fname}")
# =================================================================================================
def exitInvalidOption():
print("╠===============================================================================╗")
print("║ Invalid option. ║")
print("╚===============================================================================╝")
sys.exit(1)
# -------------------------------------------------------------------------------------------------
def exitBinCueMismatch():
print("╠===============================================================================╗")
print("║ All BIN files must have a matching CUE. ║")
print("╚===============================================================================╝")
sys.exit(1)
# =================================================================================================
# /////////////////////////////////////////////////////////////////////////////////////////////////
# =================================================================================================
options = { # Options listings
1 : "Convert ISO to CSO",
2 : "Convert ISO to CHD",
3 : "Convert CUE/BIN to CHD",
4 : "Convert CSO to CHD",
5 : "Convert DVD CHD to CSO",
6 : "Extract DVD CHD to ISO",
7 : "Extract CD CHD to CUE/BIN",
8 : "Extract CSO to ISO",
9 : "Exit script",
}
# -------------------------------------------------------------------------------------------------
sources = { # Source file extensions
1 : "iso",
2 : "iso",
3 : "cue/bin",
4 : "cso",
5 : "chd",
6 : "chd",
7 : "chd",
8 : "cso",
}
# -------------------------------------------------------------------------------------------------
targets = { # Target file extensions
1 : ["cso"],
2 : ["chd"],
3 : ["chd"],
4 : ["iso", "chd"],
5 : ["iso", "cso"],
6 : ["iso"],
7 : ["cue", "bin"],
8 : ["iso"],
}
# # -------------------------------------------------------------------------------------------------
reqs = { # Selection dependencies
1 : ["maxcso"],
2 : ["chdman"],
3 : ["chdman"],
4 : ["maxcso", "chdman"],
5 : ["maxcso", "chdman"],
6 : ["chdman"],
7 : ["chdman"],
8 : ["maxcso"],
}
# -------------------------------------------------------------------------------------------------
print("╔===============================================================================╗")
print("║ CSO/CHD/ISO/CUEBIN Conversion by Refraction, RedDevilus and TheTechnician27 ║")
print("║ (Version Jul 16 2024) ║")
print("╠===============================================================================╣")
print("║ ║")
print("║ PLEASE NOTE: This will affect all files in this folder! ║")
print("║ Be sure to run this from the same directory as the files you wish to convert. ║")
print("║ ║")
for number, message in options.items():
print("", number, " - ", message, f"{(70 - len(message)) * ' '}")
print("║ ║")
print("╠===============================================================================╝")
#print("║")
mode = input("║ Type the number corresponding to your selection then press ENTER: ")
# -------------------------------------------------------------------------------------------------
try:
mode = int(mode)
except ValueError:
exitInvalidOption()
# -------------------------------------------------------------------------------------------------
if (mode < 9 and mode > 0):
for program in reqs[mode]: # Check for dependencies
checkProgramMissing(program)
delete = deletionChoice(sources[mode]) # Choose to delete source files
blocksize = blockSizeChoice(mode == 3, mode > 5) # Choose block size if compressing
match mode:
case 3:
bin_files = returnFilteredPwdContents("bin") # Get all BIN files in pwd
source_files = returnFilteredPwdContents("cue") # Get all CUE files in pwd
checkBinCueMismatch(bin_files, source_files)
dupe_list = checkDuplicates(source_files, targets[mode], 1)
case 5:
source_files = returnFilteredPwdContents(sources[mode]) # Get source files in pwd
dupe_list = checkDuplicates(source_files, targets[mode], 2)
case 6:
source_files = returnFilteredPwdContents(sources[mode]) # Get source files in pwd
dupe_list = checkDuplicates(source_files, targets[mode], 1)
case _:
source_files = returnFilteredPwdContents(sources[mode]) # Get source files in pwd
dupe_list = checkDuplicates(source_files, targets[mode])
print("╠===============================================================================╗")
# ---------------------------------------------------------------------------------------------
for fname in source_files:
target_fname = f"{fname[:-4]}.{targets[mode][0]}"
commands = createCommandList(mode, fname, target_fname, blocksize)
if (fname[:-4] in dupe_list):
printSkip(target_fname)
continue
printInitialStatus(mode > 5, f"{fname[:-4]}.{targets[mode][-1]}")
for step, command in enumerate (commands):
process = Popen(commands[step], stdout=PIPE, stderr=PIPE) # Execute process
stdout, stderr = process.communicate() # Suppress output
checkSuccess(mode < 6, fname[:-4], # Ensure target creation
targets[mode][step], process.returncode)
if (step == 1): # Delete intermediate file
deleteFile(f"{fname[:-4]}.iso")
if (delete): # Delete source requested
deleteFile(fname)
if (mode == 3):
deleteFile(f"{fname[:-4]}.bin")
# ===== EXIT SCRIPT ===============================================================================
elif (mode == 9):
print("╠===============================================================================╗")
print("║ Goodbye! :) ║")
print("╚===============================================================================╝")
sys.exit(0)
# ===== EXIT SCRIPT WITH ERROR ====================================================================
else:
exitInvalidOption()
# -------------------------------------------------------------------------------------------------
print("╠===============================================================================╣")
print("║ Process complete! ║")
print("╚===============================================================================╝")
sys.exit(0)