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Revision 933

Added by Aaron Marcuse-Kubitza almost 13 years ago

ch_root: Fixed detection of unset env vars so that usage message is printed when any option is missing

View differences:

bin/ch_root
10 10 

  		




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import opts


  		




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def all_not_none(list_):


  		




  14
  
  
    
    return reduce(lambda a, b: a and b, map(lambda e: e != None, list_))


  		




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def main():


  		




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    # Get config from env vars


  		




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    config_names = ['in_root', 'out_root']


  		




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    env_names = []


  		




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    configs = map(lambda col: opts.get_env_vars(config_names, col, env_names),


  		




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        ['left', 'right'])


  		




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    if not all_not_none(configs): raise SystemExit(


  		




  
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    print_usage_ref = [False]


  		




  
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    def on_unset(e): print_usage_ref[0] = True


  		




  
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    configs = [opts.get_env_vars(['in_root', 'out_root'], col, env_names,


  		




  
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        on_unset) for col in ['left', 'right']]


  		




  
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    if print_usage_ref[0]: raise SystemExit(


  		




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        'Usage: '+opts.env_usage(env_names)+' '+sys.argv[0]+' <in_map >out_map')


  		




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    # Transform map


  		












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