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76 lines
2.2 KiB
Python
Executable File
76 lines
2.2 KiB
Python
Executable File
#!/usr/bin/python
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# encoding: utf-8
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#
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# Copyright 2010-2014 Greg Neagle.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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launchapp
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Created by Greg Neagle on 2010-02-05.
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Modified 2010-07-13 to pass all arguments to /usr/bin/open
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Launches an app only if we're called in the current
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GUI user's session.
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Prevents multiple copies of the app from being launched
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when Fast User Switching is in use
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Intended for use by a launchd LaunchAgent.
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"""
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import sys
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import os
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import subprocess
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import time
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def getconsoleuser():
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'''Uses Apple's SystemConfiguration framework to get the current
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console user'''
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from SystemConfiguration import SCDynamicStoreCopyConsoleUser
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cfuser = SCDynamicStoreCopyConsoleUser( None, None, None )
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return cfuser[0]
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def main():
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'''Pass arguments to /usr/bin/open only if we are the current
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console user or no user and we're at the login window'''
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consoleuser = getconsoleuser()
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try:
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thisuser = os.environ['USER']
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except KeyError:
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# when run via launchd at loginwindow context, os.environ['USER']
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# is undefined, so we'll return root (the effective user)
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thisuser = "root"
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if (consoleuser == thisuser) or \
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(consoleuser == None and thisuser == "root"):
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cmd = ["/usr/bin/open"]
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if len(sys.argv) > 1:
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cmd.extend(sys.argv[1:])
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else:
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print >> sys.stderr, "Must specify an app to launch!"
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exit(-1)
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retcode = subprocess.call(cmd)
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# sleep 10 secs to make launchd happy
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time.sleep(10)
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exit(retcode)
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else:
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# we aren't in the current GUI session
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# sleep 10 secs to make launchd happy
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time.sleep(10)
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exit(0)
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if __name__ == '__main__':
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main()
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