cpp_bundler.py

#!/usr/bin/env python

import sys, re, os

DEFAULT_MAIN = 'main.cpp'
DEFAULT_OUT  = 'arena.cpp'
BUNDLE_SYM   = '// ###'

def bundle(flname, main = False):
    base = os.path.dirname(flname)
    if len(base) > 0: base += "/"
    out = ""
    with open(flname, 'r') as fl:
        code = fl.read()
    includes = re.findall("#include \"(.*\.cpp)\"", code)
    for inc in includes:
        code = code.replace("#include \"%s\"\n" % inc, "")
        inc  = base + inc
        out += bundle(inc) + "\n"
    if main:
        out = code.replace(BUNDLE_SYM + "\n", out)
    else:
        out += code
    return out

if __name__ == '__main__':
    args = sys.argv[1:]
    main = args[0] if len(args) > 0 else DEFAULT_MAIN
    out  = args[1] if len(args) > 0 else DEFAULT_OUT
    with open(out, 'w') as of:
        of.write(bundle(main, True))

place BUNDLE_SYM (// ### by default) somewhere in your main.cpp where you want includes pasted in.