# This tool is needed by the buildbot
import os
import sys

def setup_preferences (psyco_mode):
    preffile = os.path.join(os.path.dirname(__file__),os.pardir, 'preferences.py')
    lines = []
    if os.path.exists(preffile):
        lines = file(preffile).readlines()
    f = file(preffile, 'w')
    print "Switching to ", psyco_mode
    done = {}
    for line in lines:
        for var, value in psyco_mode.items():
            if line.startswith(var):
                line = '%s = %r\n' % (var, value)
                done[var] = value
                break
        f.write(line)
    if len(done) != len(psyco_mode):
        f.write('# previously missing\n')
        for var, value in psyco_mode.items():
            if var not in done:
                f.write('%s = %r\n' % (var, value))
    f.close()

if __name__ == '__main__':

    PSYCO_MODES = { 'debug':
                        # debugging mode, static compiling, but quiet
                    {'PSYCO_DEBUG': 1, 'VERBOSE_LEVEL': 0, 'CODE_DUMP': 1},
                    'release':
                    # optimized mode, static compiling, quiet
                    {'PSYCO_DEBUG': 0, 'VERBOSE_LEVEL': 0, 'CODE_DUMP': 0},
                    }
    try:
        setup_preferences(PSYCO_MODES[sys.argv[1]])
    except:
        print "\n*** You need to specify 'debug' or 'release' as a parameter ***\n"
        raise