pupy/client/gen_resource_header.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
import binascii
import pylzma
import struct

MAX_CHAR_PER_LINE=50

if __name__=="__main__":
    h_file=""
    file_bytes=b""
    with open(sys.argv[1], "rb") as f:
        file_bytes=f.read()

    compressed = int(sys.argv[2])

    attribute = '\n'.join([
        '__attribute__(({}))'.format(x) for x in sys.argv[3:]
    ])

    payload_len = len(file_bytes)
    payload = struct.pack('>I', payload_len) + (
        pylzma.compress(
            file_bytes, dictionary=24, fastBytes=255
        ) if compressed else file_bytes
    )

    h_file += "static const int %s_size = %s;"%(sys.argv[1].replace(".","_").replace("\\","_").replace("/","_"), len(payload))
    h_file += attribute
    h_file += "\nstatic const char %s_start[] = {\n"%sys.argv[1].replace(".","_").replace("\\","_").replace("/","_")
    current_size=0

    for c in payload:
        h_file+="'\\x%s',"%binascii.hexlify(c)
        current_size+=1
        if current_size>MAX_CHAR_PER_LINE:
            current_size=0
            h_file+="\n"

    h_file += "'\\x00' };\n"

    with open(sys.argv[1].replace(".","_").replace("\\","_").replace("/","_")+".c",'w') as w:
        w.write(h_file)