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64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
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# (Slightly less) primitive operations for sending Apple Events to applications.
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# This could be the basis of a Script Editor like application.
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from AE import *
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from AppleEvents import *
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import aetools
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import types
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class TalkTo:
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def __init__(self, signature):
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"""Create a communication channel with a particular application.
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For now, the application must be given by its 4-character signature
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(because I don't know yet how to do other target types).
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"""
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if type(signature) != types.StringType or len(signature) != 4:
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raise TypeError, "signature should be 4-char string"
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self.target = AECreateDesc(typeApplSignature, signature)
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self.send_flags = kAEWaitReply
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self.send_priority = kAENormalPriority
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self.send_timeout = kAEDefaultTimeout
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def newevent(self, code, subcode, parameters = {}, attributes = {}):
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event = AECreateAppleEvent(code, subcode, self.target,
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kAutoGenerateReturnID, kAnyTransactionID)
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aetools.packevent(event, parameters, attributes)
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return event
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def sendevent(self, event):
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reply = event.AESend(self.send_flags, self.send_priority,
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self.send_timeout)
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parameters, attributes = aetools.unpackevent(reply)
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return reply, parameters, attributes
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def send(self, code, subcode, parameters = {}, attributes = {}):
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return self.sendevent(self.newevent(code, subcode, parameters, attributes))
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def activate(self):
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# Send undocumented but easily reverse engineered 'activate' command
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self.send('misc', 'actv')
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# This object is equivalent to "selection" in AppleScript
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# (in the core suite, if that makes a difference):
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get_selection = aetools.Property('sele', None)
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# Test program. You can make it do what you want by passing parameters.
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# The default gets the selection from Quill (Scriptable Text Editor).
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def test(app = 'quil', suite = 'core', id = 'getd', arg = get_selection):
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t = TalkTo(app)
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t.activate()
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if arg:
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dict = {'----': arg}
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else:
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dict = {}
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reply, parameters, attributes = t.send(suite, id, dict)
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print reply, parameters
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if parameters.has_key('----'): print "returns:", str(parameters['----'])
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test()
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# So we can see it:
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import sys
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sys.exit(1)
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