237 lines
7.6 KiB
Python
237 lines
7.6 KiB
Python
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##
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# This software was developed and / or modified by Raytheon Company,
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# pursuant to Contract DG133W-05-CQ-1067 with the US Government.
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#
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# U.S. EXPORT CONTROLLED TECHNICAL DATA
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# This software product contains export-restricted data whose
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# export/transfer/disclosure is restricted by U.S. law. Dissemination
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# to non-U.S. persons whether in the United States or abroad requires
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# an export license or other authorization.
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#
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# Contractor Name: Raytheon Company
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# Contractor Address: 6825 Pine Street, Suite 340
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# Mail Stop B8
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# Omaha, NE 68106
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# 402.291.0100
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#
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# See the AWIPS II Master Rights File ("Master Rights File.pdf") for
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# further licensing information.
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##
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#
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# Name:
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# AvnMenu.py
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# GFS1-NHD:A7850.0000-SCRIPT;1.9
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#
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# Status:
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# DELIVERED
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#
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# History:
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# Revision 1.9 (DELIVERED)
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# Created: 24-MAR-2006 17:45:42 TROJAN
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# spr 7106 Pmw code does not forward python exceptions to
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# AvnFPS _Logger
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#
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# Revision 1.8 (DELIVERED)
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# Created: 24-MAR-2006 09:48:22 TROJAN
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# spr 7103: redirect all error messages to a log file
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#
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# Revision 1.7 (DELIVERED)
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# Created: 06-JUL-2005 20:11:32 TROJAN
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# spr 6885
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#
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# Revision 1.6 (DELIVERED)
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# Created: 07-MAY-2005 11:29:50 OBERFIEL
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# Added Item Header Block
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#
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# Revision 1.5 (DELIVERED)
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# Created: 04-APR-2005 15:51:02 TROJAN
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# spr 6775
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#
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# Revision 1.4 (DELIVERED)
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# Created: 30-SEP-2004 19:59:19 TROJAN
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# stdr 867
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#
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# Revision 1.3 (APPROVED)
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# Created: 12-JUL-2004 12:12:55 OBERFIEL
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# Modified startup interface
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#
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# Revision 1.2 (APPROVED)
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# Created: 09-JUL-2004 19:10:57 OBERFIEL
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# Replaced busy dialogs
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#
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# Revision 1.1 (APPROVED)
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# Created: 01-JUL-2004 16:43:45 OBERFIEL
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# date and time created -2147483647/-2147483648/-2147481748
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# -2147483648:-2147483648:-2147483648 by oberfiel
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#
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# Change Document History:
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# 1:
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# Change Document: GFS1-NHD_SPR_7106
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# Action Date: 26-FEB-2007 09:50:31
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# Relationship Type: In Response to
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# Status: BUILD_RELEASE
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# Title: AvnFPS: DUP 7103 Pmw code does not forward python exceptions to AvnFPS _Logger
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#
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#
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# AvnMenu.py
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# Forecaster selection GUI for AvnFPS
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# Author: George Trojan, SAIC/MDL, March 2004
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# last update: 03/09/06
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import logging, os, signal
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from Tkinter import *
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import Pmw
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import Avn, AvnParser, Busy, ErrorRedirect
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Python = os.environ['PYTHON']
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TopDir = os.environ['TOP_DIR']
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Image1 = os.path.join('etc', 'avn.gif')
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Image2 = os.path.join('etc', 'pyro.gif')
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_Logger = logging.getLogger(__name__)
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Items = {'TAFs': ('Starting AvnFPS Monitor', 'avnwatch.py'), \
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'Climate': ('Starting AvnFPS Climate Tool', 'avnclimate.py'), \
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}
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class AvnMenu(Pmw.MegaWidget):
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AppName = Avn.Name + ' Menu'
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def handler(signum, frame):
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if signum == signal.SIGCHLD:
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_Logger.error('Cannot start AvnFPS. Aborting')
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raise SystemExit
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handler = staticmethod(handler)
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def __init__(self, **kw):
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self.root = Tk()
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self.root.withdraw()
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self.get_option_db()
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Pmw.initialise(self.root, useTkOptionDb=1)
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self.root.title(self.AppName)
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Pmw.MegaWidget.__init__(self, parent=self.root)
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self.root.resizable(0, 0)
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ErrorRedirect.fixlogging(_Logger, self.interior())
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interior = self.interior()
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Busy.instantiate(interior)
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self._img1 = PhotoImage(file=Image1)
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self.slist = Pmw.ScrolledListBox(interior,
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labelpos='n',
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label_image=self._img1,
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listbox_exportselection=0,
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)
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self.slist.pack(side='top', expand='yes', fill='x')
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f = Frame(interior)
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self._img2 = PhotoImage(file=Image2)
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cfg = AvnParser.getGuiCfg()
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self.servers = Pmw.ScrolledListBox(f,
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labelpos='n',
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label_image=self._img2,
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items=cfg['ns'],
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listbox_height=max(4, len(cfg['ns'])),
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listbox_exportselection=0,
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)
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self.servers.pack(side='left', expand='yes', fill='x')
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self.servers.selection_set(0)
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self.bbox = Pmw.ButtonBox(f,
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orient='vertical',
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labelpos='w',
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frame_borderwidth=2,
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frame_relief='groove',
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)
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self.bbox.pack(side='left', expand='yes', fill='x')
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self.bbox.add('TAFs', command=Avn.curry(self.ok, 'TAFs'))
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self.bbox.add('Climate', command=Avn.curry(self.ok, 'Climate'))
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self.bbox.add('Cancel', command=self.cancel)
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self.bbox.setdefault('TAFs')
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self.bbox.alignbuttons()
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f.pack(side='top')
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self.loadForecasters()
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self.prods = 0
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self.pid = 0
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signal.signal(signal.SIGUSR1, self.handler)
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signal.signal(signal.SIGCHLD, self.handler)
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def get_option_db(self):
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try:
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self.root.option_readfile(os.path.join('etc', 'app-resources', 'X'))
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Pmw.Color.setscheme(self.root,
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background=self.root.option_get('background', ''))
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except Exception:
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msg = 'Cannot access default resources file, using build-in values'
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_Logger.info(msg)
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def loadForecasters(self):
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try:
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fcstnames = AvnParser.getForecasters().keys()
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if not fcstnames:
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raise ValueError, 'Empty file'
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fcstnames.sort()
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self.slist.setlist(fcstnames)
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except IOError:
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msg = 'Cannot open forecaster file'
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_Logger.exception(msg)
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Busy.showerror(msg, self.interior())
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raise SystemExit
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except (ValueError, IndexError):
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msg = 'Invalid entry in forecaster file'
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_Logger.exception(msg)
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Busy.showerror(msg, self.interior())
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raise SystemExit
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def ok(self, choice):
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self.pid = os.fork()
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if self.pid:
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self.bbox.button('TAFs').configure(state='disabled')
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msg = Pmw.MessageDialog(self.interior(),
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message_text='\n'.join([Items[choice][0], 'Please wait']),
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iconpos='n',
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icon_bitmap='info',
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buttons=(),
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)
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x = self.root.winfo_rootx() + 30
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y = self.root.winfo_rooty() + 30
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msg.wm_geometry('+%d+%d' % (x, y))
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msg.show()
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# up to 60 s wait
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self.root.after(60000, self.cancel)
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return
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try:
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opts = ('-f', self.slist.getcurselection()[0])
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except IndexError:
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opts = ()
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logging.shutdown()
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# close all open files
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for n in xrange(3, 255):
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try:
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os.close(n)
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except OSError:
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pass
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os.execl(Python, 'avn'+os.path.basename(Python),
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os.path.join(TopDir, 'py', Items[choice][1]),
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*(opts + tuple(self.prods)))
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def cancel(self):
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if self.pid:
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os.kill(self.pid, signal.SIGTERM)
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raise SystemExit
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def run(self):
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self.pack()
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self.root.deiconify()
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self.mainloop()
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def setArgs(self, forecaster, prods):
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self.prods = prods
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try:
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ix = list(self.slist.get()).index(forecaster)
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except ValueError:
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ix = 0
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self.slist.selection_set(ix)
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self.slist.see(ix)
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