rustdesk/libs/portable/generate.py
2022-09-21 11:28:28 +08:00

89 lines
3.1 KiB
Python

from ast import parse
import os
import optparse
from hashlib import md5
import brotli
# file compress level(0-11)
compress_level = 11
# 4GB maximum
length_count = 4
# encoding
encoding = 'utf-8'
# output: {path: (compressed_data, file_md5)}
def generate_md5_table(folder: str) -> dict:
res: dict = dict()
curdir = os.curdir
os.chdir(folder)
for root, _, files in os.walk('.'):
# remove ./
for f in files:
md5_generator = md5()
full_path = os.path.join(root, f)
print(f"processing {full_path}...")
f = open(full_path, "rb")
content = f.read()
content_compressed = brotli.compress(
content, quality=compress_level)
md5_generator.update(content)
md5_code = md5_generator.hexdigest().encode(encoding=encoding)
res[full_path] = (content_compressed, md5_code)
os.chdir(curdir)
return res
def write_metadata(md5_table: dict, output_folder: str, exe: str):
output_path = os.path.join(output_folder, "data.bin")
with open(output_path, "wb") as f:
f.write("rustdesk".encode(encoding=encoding))
for path in md5_table.keys():
(compressed_data, md5_code) = md5_table[path]
data_length = len(compressed_data)
path = path.encode(encoding=encoding)
# path length & path
f.write((len(path)).to_bytes(length=length_count, byteorder='big'))
f.write(path)
# data length & compressed data
f.write((data_length).to_bytes(
length=length_count, byteorder='big'))
f.write(compressed_data)
# md5 code
f.write(md5_code)
# end
f.write("rustdesk".encode(encoding=encoding))
# executable
f.write(exe.encode(encoding='utf-8'))
print(f"metadata had written to {output_path}")
def build_portable(output_folder: str):
os.chdir(output_folder)
os.system("cargo build --release")
# Linux: python3 generate.py -f ../rustdesk-portable-packer/test -o . -e ./test/main.py
# Windows: python3 .\generate.py -f ..\rustdesk\flutter\build\windows\runner\Debug\ -o . -e ..\rustdesk\flutter\build\windows\runner\Debug\rustdesk.exe
if __name__ == '__main__':
parser = optparse.OptionParser()
parser.add_option("-f", "--folder", dest="folder",
help="folder to compress")
parser.add_option("-o", "--output", dest="output_folder",
help="the root of portable packer project")
parser.add_option("-e", "--executable", dest="executable",
help="specify startup file")
(options, args) = parser.parse_args()
folder = options.folder
output_folder = os.path.abspath(options.output_folder)
exe: str = os.path.abspath(options.executable)
if not exe.startswith(os.path.abspath(folder)):
print("the executable must locate in source folder")
exit(-1)
exe = '.' + exe[len(os.path.abspath(folder)):]
print("executable path: " + exe)
md5_table = generate_md5_table(folder)
write_metadata(md5_table, output_folder, exe)
build_portable(output_folder)