Python script to extract define tokens from the C++ build constants

buildver.h

#define BUILD_ID 42123
#define BUILD_NAME "branches/GM-2"
#define BUILD_ID_TYPE 5

getbuildver.py

import re

def main():
    bag = {}
    exprs = [
        ( re.compile(r'^#define BUILD_ID\s+(\d+)'), 'build_id' ),
        ( re.compile(r'^#define BUILD_NAME\s+"(\S+)"'), 'build_name' ),
    ]
    with open('buildver.h', 'r') as f:
        for l in f.readlines():
            for expr, var in exprs:
                m = expr.match(l)
                if m and len(m.groups()) > 0:
                    bag[var] = m.group(1)

    for k, v in bag.iteritems():
        print('{} -> {}'.format(k, v))


if __name__ == '__main__':
    main()