95 lines
2.5 KiB
Python
95 lines
2.5 KiB
Python
import Queue
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import thread
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import traceback
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def _isfunc(x):
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if type(x) == type(_isfunc):
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return True
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return False
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def _hook_add(func, add):
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if not hasattr(func, '_skybot_hook'):
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func._skybot_hook = []
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func._skybot_hook.append(add)
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def _make_sig(f):
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return f.func_code.co_filename, f.func_name, f.func_code.co_firstlineno
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def sieve(func):
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if func.func_code.co_argcount != 4:
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raise ValueError(
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'sieves must take 4 arguments: (bot, input, func, args)')
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_hook_add(func, ['sieve', (_make_sig(func), func)])
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return func
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def command(func=None, hook=None, **kwargs):
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args = {}
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def command_wrapper(func):
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if func.func_code.co_argcount not in (1, 2):
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raise ValueError(
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'commands must take 1 or 2 arguments: (inp) or (bot, input)')
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args.setdefault('name', func.func_name)
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args.setdefault('hook', args['name'] + r'(?:\s+|$)(.*)')
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_hook_add(func, ['command', (_make_sig(func), func, args)])
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return func
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if hook is not None or kwargs or not _isfunc(func):
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if func is not None:
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args['name'] = func
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if hook is not None:
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args['hook'] = hook
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args.update(kwargs)
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return command_wrapper
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else:
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return command_wrapper(func)
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def event(arg=None, **kwargs):
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args = kwargs
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def event_wrapper(func):
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if func.func_code.co_argcount != 2:
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raise ValueError('events must take 2 arguments: (bot, input)')
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args['name'] = func.func_name
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args['prefix'] = False
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args.setdefault('events', '*')
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_hook_add(func, ['event', (_make_sig(func), func, args)])
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return func
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if _isfunc(arg):
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return event_wrapper(arg, kwargs)
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else:
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if arg is not None:
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args['events'] = arg.split()
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return event_wrapper
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def tee(func, **kwargs):
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"passes _all_ input lines to function, in order (skips sieves)"
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if func.func_code.co_argcount != 2:
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raise ValueError('tees must take 2 arguments: (bot, input)')
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_hook_add(func, ['tee', (_make_sig(func), func, kwargs)])
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func._iqueue = Queue.Queue()
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def trampoline(func):
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input = None
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while True:
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input = func._iqueue.get()
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if input == StopIteration:
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return
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try:
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func(*input)
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except Exception:
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traceback.print_exc(Exception)
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thread.start_new_thread(trampoline, (func,))
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return func
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