def usage(argv,msg=None,exit_value=-1):
usagefmt = 'usage: {name} [[pattern_name],[X,Y]] ...'
namefmt = '\t{n}'
print(usagefmt.format(name=os.path.basename(argv[0])))
if msg:
print(msg)
print('pattern names:')
[print(namefmt.format(n=name)) for name in Patterns.keys()]
exit(exit_value)
def usage(argv, msg=None, exit_value=-1):
usagefmt = 'usage: {name} [[pattern_name],[X,Y]] ...'
namefmt = '\t{n}'
print(usagefmt.format(name=os.path.basename(argv[0])))
if msg:
print(msg)
print('pattern names:')
[print(namefmt.format(n=name)) for name in Patterns.keys()]
exit(exit_value)
