Brian Zhou <bri...@ya...> mentioned PythonCE in
a recent post. I thought that it was a defunct effort.
Is this not true? Can anyone provide a pointer?
Thanks
--
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Dana Moore - BBN Technologies
703.284.4740 (W) 240.350.4196 (M)
dan...@at...
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> Hi Brad,
>
> For 1 and 2, http://www.python.org/doc/essays/ppt/lwnyc2002/intro22.ppt
> seems very good.
>
> As to the example, IMO interactively explore some java API would open eyes
> for VB and Perl programmers. Features like built-in list, dictionary,
> slicing probably are easier to demonstrate than polymorphic dynamic OO. Here
> are some examples I often use:
>
> 1) java.vm.version
>
> >>> from java.lang import System
> >>> dir(System)
> ['arraycopy', 'currentTimeMillis', 'err', 'exit', 'gc', 'getProperties',
> 'getProperty', 'getSecurityManager', 'getenv', 'identityHashCode', 'in',
> 'load', 'loadLibrary', 'mapLibraryName', 'out', 'runFinalization',
> 'runFinalizersOnExit', 'setErr', 'setIn', 'setOut', 'setProperties',
> 'setProperty', 'setSecurityManager']
> >>> props = System.getProperties()
> >>> props.__class__
> <jclass java.util.Properties at 7576227>
> >>> props.__class__.__bases__
> (<jclass java.util.Hashtable at 3325456>,)
> >>> for k in props.keys():
> ... if k.startswith('java.vm.'):
> ... print k
> ...
> java.vm.version
> java.vm.vendor
> java.vm.name
> java.vm.specification.name
> java.vm.specification.vendor
> java.vm.specification.version
> java.vm.info
> >>> props['java.vm.version']
> '1.3.1_02-b02'
>
> 2) exercise from SICP book in python
> >>> def subsets(aList):
> ... if [] == aList: return [ [] ]
> ... else:
> ... rest = subsets(aList[1:])
> ... return rest + [ [aList[0]] + x for x in rest ]
> ...
> >>> subsets([1,2,3])
> [[], [3], [2], [2, 3], [1], [1, 3], [1, 2], [1, 2, 3]]
>
> 3) swing calculator (put it in swingCalc.py)
> ############################################
> # evaluation runs a full expression all at
> # once using the Python eval() built-in--
> # interpreter is present at run-time
> ############################################
>
> from java import awt # get access to Java class libraries
> from pawt import swing # they look like Python modules here
>
> labels = ['0', '1', '2', '+', # labels for calculator buttons
> '3', '4', '5', '-', # will be used for a 4x4 grid
> '6', '7', '8', '*',
> '9', '.', '=', '/' ]
>
> keys = swing.JPanel(awt.GridLayout(4, 4)) # do Java class library magic
> display = swing.JTextField() # Python data auto-mapped to
> Java
>
> def push(event): # callback for regular keys
> display.replaceSelection(event.actionCommand)
>
> def enter(event): # callback for the '=' key
> display.text = str(eval(display.text)) # use Python eval() to run
> expr
> display.selectAll()
>
> for label in labels: # build up button widget grid
> key = swing.JButton(label) # on press, invoke Python
> funcs
> if label == '=':
> key.actionPerformed = enter
> else:
> key.actionPerformed = push
> keys.add(key)
>
> panel = swing.JPanel(awt.BorderLayout()) # make a swing panel
> panel.add("North", display) # text plus key grid in middle
> panel.add("Center", keys)
> swing.test(panel) # start in a GUI viewer
>
>
> BTW, Thank you for the excellent PythonCE work, I really enjoy using it!
>
> -Brian
>
> ----- Original Message -----
> From: "Brad Clements" <bk...@mu...>
> To: <jyt...@li...>
> Sent: Thursday, March 14, 2002 7:23 PM
> Subject: [Jython-users] Looking for Jython promo materials
>
>
> > Next week I need to give a one hour presentation at Novell's Brainshare
> titled:
> >
> > "Rapid Application Development with Jython".
> >
> > I'll be demo'ing Jedit, JythonInterpreter (plugin), JinSitu and of course
> Jython, on Win32
> > and NetWare Systems.
> >
> > I have a simple Beans based application that I'll be showing, but I'm
> looking for some
> > other things:
> >
> > 1. Quick intro to the Python Language (10 minutes)
> >
> > 2. Perhaps a Power Point slide show for item 1
> >
> > 3. Quick examples that I can type interactively that demonstrate the power
> of the
> > interpreted, typeless nature of Jython.
> >
> > I'm aware of what's available at python.org and jython.org, but if you
> have any other
> > recommendations I'd appreciate it.
> >
> > My audience will be in-experienced VB'ers/Perlers.. And experienced Java
> developers.
> >
> > Thanks for any suggestions,
> >
> >
> >
> >
> > Brad Clements, bk...@mu... (315)268-1000
> > http://www.murkworks.com (315)268-9812 Fax
> > AOL-IM: BKClements
> >
> >
> > _______________________________________________
> > Jython-users mailing list
> > Jyt...@li...
> > https://lists.sourceforge.net/lists/listinfo/jython-users
> >
>
>
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