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137 lines
5.1 KiB
137 lines
5.1 KiB
#!/usr/bin/env python
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"""
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Copyright 2004 Jim Bublitz
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Terms and Conditions
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to
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deal in the Software without restriction, including without limitation the
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rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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sell copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
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IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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Except as contained in this notice, the name of the copyright holder shall
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not be used in advertising or otherwise to promote the sale, use or other
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dealings in this Software without prior written authorization from the
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copyright holder.
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"""
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# This is an example of a DCOP enabled application written in Python, using
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# PyTDE and the dcopexport module. Taken from server.py example in kde-bindings
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# which was written by Torben Weis and Julian Rockey
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import sys
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from PyTQt.tqt import TQString, TQStringList
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from tdecore import TDEApplication, TDECmdLineArgs, TDEAboutData
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from dcopexport import DCOPExObj
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"""
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DCOPExObj provides all of the necessary machinery to DCOP-enable
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an application: the 'process' method, marshalling/demarshalling,
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and the 'features' method
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To DCOP-enable an app,
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1. Add a class which subclasses DCOPExObj (ParrotObject in
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this case). Call the DCOPExObj.__init__ method with 'id'.
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If 'id' isn't specified, DCOP will assing a numerical id.
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'id' is the name of the object (eg, how it will be listed
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in kdcop, or returned with a dcopClient.remoteObjects call)
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2. Identify the methods/functions that will be exposed via
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DCOP - they don't have to be methods of the DCOPExObj
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class, as long as the DCOPExObj class can call them. Make
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sure they take/return types that DCOPExObj supports.
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3. For each method, call self.addMethod with the complete
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method signature (return type, name, list of argument
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types, but no argument names) as a string and the
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Python method/function that corresponds.
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4. That's it.
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"""
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# the class which will expose methods to DCOP - the methods do NOT
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# need to be a member of this class.
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class DeadParrotObject (DCOPExObj):
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def __init__ (self, id = b'dead parrot'):
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DCOPExObj.__init__(self, id)
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# the methods available from this app via DCOP
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# addMethod (<signature>, <Python method>)
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self.addMethod ('TQString getParrotType()', self.get_type)
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self.addMethod ('void setParrotType (TQString)', self.set_type)
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self.addMethod ('TQString squawk()', self.squawk)
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self.addMethod ('TQStringList adjectives()', self.adjectives)
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# set up object variables
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self.parrot_type = TQString ("Norwegian Blue")
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def get_type (self):
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return self.parrot_type
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def set_type (self, parrot_type):
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self.parrot_type = parrot_type
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def squawk (self):
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return "This parrot, a %s, is pining for the fjords" % (self.parrot_type)
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def adjectives (self):
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adjList = ["passed on", "is no more", "ceased to be", "expired", "gone to meet his maker",
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"a stiff", "bereft of life", "rests in peace", "metabolic processes are now history",
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"off the twig", "kicked the bucket", "shuffled off his mortal coil",
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"run down his curtain", "joined the bleedin' choir invisible", "THIS IS AN EX-PARROT"]
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tqadjList = TQStringList ()
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for adj in adjList:
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tqadjList.append (adj)
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return tqadjList
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description = b"DCOP server template"
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version = b"1.0"
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aboutData = TDEAboutData (b"MyApp", b"MyApp",\
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version, description, TDEAboutData.License_GPL,\
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b"(C) 2003 whoever the author is")
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aboutData.addAuthor (b"author1", b"whatever they did", b"email@somedomain")
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aboutData.addAuthor (b"author2", b"they did something else", b"another@email.address")
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TDECmdLineArgs.init (sys.argv, aboutData)
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TDECmdLineArgs.addCmdLineOptions ([(b"+files", b"File to open")])
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app = TDEApplication ()
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dcop = app.dcopClient ()
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appid = dcop.registerAs(b'petshop')
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print("DCOP Application: %s starting" % appid.data())
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parrot = DeadParrotObject()
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another_parrot = DeadParrotObject(b'polly')
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print("""
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Run kdcop and look for the 'petshop' application instance.
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This program exports the 'deadParrot' and 'polly' objects.
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Double-clicking those object's methods will allow you to get or set data.
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To end the application, in kdcop choose the MainApplication-Interface
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object and double-click the quit() method.
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""")
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app.exec_loop()
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