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Viewing changes to doc/examples/chained.py

  • Committer: sebi at glatzor
  • Date: 2010-09-09 11:43:00 UTC
  • mto: (449.2.39 0.3)
  • mto: This revision was merged to the branch mainline in revision 484.
  • Revision ID: sebi@glatzor.de-20100909114300-jb80dr57ejhcp16y
Add an example script

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doc/examples/chained.py
 
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#!/usr/bin/python
 
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import dbus
 
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import gobject
 
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from aptdaemon.client import AptClient
 
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from aptdaemon.defer import inline_callbacks
 
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from aptdaemon import policykit1
 
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loop = gobject.MainLoop()
 
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def on_finished(trans, exit):
 
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    loop.quit()
 
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    print exit
 
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@inline_callbacks
 
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def main():
 
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    repo = ["deb", "http://packages.glatzor.de/silly-packages", "sid", ["main"],
 
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            "Silly packages", "silly.list"]
 
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    aptclient = AptClient()
 
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    bus = dbus.SystemBus()
 
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    name = bus.get_unique_name()
 
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    # high level auth
 
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    try:
 
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        # Preauthentication
 
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        action = policykit1.PK_ACTION_INSTALL_PURCHASED_PACKAGES
 
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        flags = policykit1.CHECK_AUTH_ALLOW_USER_INTERACTION
 
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        yield policykit1.check_authorization_by_name(name, action, flags=flags)
 
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        # Setting up transactions
 
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        trans_add = yield aptclient.add_repository(*repo, defer=True)
 
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        trans_update = yield aptclient.update_cache("silly.list", defer=True)
 
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        trans_inst = yield aptclient.install_packages(["silly-base"],
 
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                                                      defer=True)
 
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        yield trans_inst.set_allow_unauthenticated(True, defer=True)
 
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        # Check when the last transaction was done
 
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        trans_inst.connect("finished", on_finished)
 
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        # Chaining transactions
 
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        yield trans_update.run_after(trans_add, defer=True)
 
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        yield trans_inst.run_after(trans_update, defer=True)
 
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        yield trans_add.run(defer=True)
 
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    except Exception, error:
 
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        print error
 
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        loop.quit()
 
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if __name__ == "__main__":
 
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    main()
 
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    loop.run()