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