mirror of https://github.com/python/cpython
120 lines
2.9 KiB
Python
120 lines
2.9 KiB
Python
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"""'echo' -- an AppleEvent handler which handles all events the same.
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It replies to each event by echoing the parameter back to the client.
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This is a good way to find out how the Script Editor formats AppleEvents,
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especially to figure out all the different forms an object specifier
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can have (without having to rely on Apple's implementation).
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"""
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import AE
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from AppleEvents import *
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import Evt
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from Events import *
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import aetools
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import sys
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import MacOS
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import traceback
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kHighLevelEvent = 23 # Not defined anywhere for Python yet?
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def main():
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echo = EchoServer()
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MacOS.EnableAppswitch(0) # Disable Python's own "event handling"
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try:
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echo.mainloop()
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finally:
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MacOS.EnableAppswitch(1) # Let Python have a go at events
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echo.close()
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class EchoServer:
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suites = ['aevt', 'core']
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def __init__(self):
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self.active = 0
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for suite in self.suites:
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AE.AEInstallEventHandler(suite, typeWildCard, self.aehandler)
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self.active = 1
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def __del__(self):
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self.close()
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def close(self):
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if self.active:
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self.active = 0
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for suite in self.suites:
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AE.AERemoveEventHandler(suite, typeWildCard)
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def mainloop(self, mask = everyEvent, timeout = 60*60):
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while 1:
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got, event = Evt.WaitNextEvent(mask, timeout)
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if got:
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self.lowlevelhandler(event)
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def lowlevelhandler(self, event):
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what, message, when, (h, v), modifiers = event
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if what == kHighLevelEvent:
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print "High Level Event:", `code(message)`, `code(h | (v<<16))`
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try:
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AE.AEProcessAppleEvent(event)
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except AE.Error, msg:
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print "AEProcessAppleEvent error:"
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traceback.print_exc()
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elif what == keyDown:
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c = chr(message & charCodeMask)
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if c == '.' and modifiers & cmdKey:
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raise KeyboardInterrupt, "Command-period"
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MacOS.HandleEvent(event)
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elif what <> autoKey:
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print "Event:", (eventname(what), message, when, (h, v), modifiers)
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MacOS.HandleEvent(event)
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def aehandler(self, request, reply):
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print "Apple Event",
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parameters, attributes = aetools.unpackevent(request)
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print "class =", `attributes['evcl'].type`,
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print "id =", `attributes['evid'].type`
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print "Parameters:"
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keys = parameters.keys()
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keys.sort()
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for key in keys:
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print "%s: %.150s" % (`key`, `parameters[key]`)
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print " :", str(parameters[key])
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print "Attributes:"
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keys = attributes.keys()
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keys.sort()
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for key in keys:
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print "%s: %.150s" % (`key`, `attributes[key]`)
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aetools.packevent(reply, parameters)
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_eventnames = {
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keyDown: 'keyDown',
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autoKey: 'autoKey',
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mouseDown: 'mouseDown',
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mouseUp: 'mouseUp',
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updateEvt: 'updateEvt',
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diskEvt: 'diskEvt',
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activateEvt: 'activateEvt',
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osEvt: 'osEvt',
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}
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def eventname(what):
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if _eventnames.has_key(what): return _eventnames[what]
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else: return `what`
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def code(x):
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"Convert a long int to the 4-character code it really is"
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s = ''
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for i in range(4):
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x, c = divmod(x, 256)
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s = chr(c) + s
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return s
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if __name__ == '__main__':
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main()
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else: main()
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