122 lines
4.7 KiB
Plaintext
122 lines
4.7 KiB
Plaintext
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EXPERIMENTAL LOADER IDLE 2000-05-29
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-----------------------------------
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David Scherer <dscherer@cmu.edu>
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This is a modification of the CVS version of IDLE 0.5, updated as of
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2000-03-09. It is alpha software and might be unstable. If it breaks,
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you get to keep both pieces.
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If you have problems or suggestions, you should either contact me or
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post to the list at http://www.python.org/mailman/listinfo/idle-dev
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(making it clear that you are using this modified version of IDLE).
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Changes:
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The ExecBinding module, a replacement for ScriptBinding, executes
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programs in a separate process, piping standard I/O through an RPC
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mechanism to an OnDemandOutputWindow in IDLE. It supports executing
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unnamed programs (through a temporary file). It does not yet support
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debugging.
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When running programs with ExecBinding, tracebacks will be clipped
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to exclude system modules. If, however, a system module calls back
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into the user program, that part of the traceback will be shown.
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The OnDemandOutputWindow class has been improved. In particular,
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it now supports a readline() function used to implement user input,
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and a scroll_clear() operation which is used to hide the output of
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a previous run by scrolling it out of the window.
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Startup behavior has been changed. By default IDLE starts up with
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just a blank editor window, rather than an interactive window. Opening
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a file in such a blank window replaces the (nonexistent) contents of
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that window instead of creating another window. Because of the need to
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have a well-known port for the ExecBinding protocol, only one copy of
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IDLE can be running. Additional invocations use the RPC mechanism to
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report their command line arguments to the copy already running.
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The menus have been reorganized. In particular, the excessively large
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'edit' menu has been split up into 'edit', 'format', and 'run'.
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'Python Documentation' now works on Windows, if the win32api module is
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present.
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A few key bindings have been changed: F1 now loads Python Documentation
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instead of the IDLE help; shift-TAB is now a synonym for unindent.
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New modules:
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ExecBinding.py Executes program through loader
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loader.py Bootstraps user program
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protocol.py RPC protocol
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Remote.py User-process interpreter
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spawn.py OS-specific code to start programs
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Files modified:
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autoindent.py ( bindings tweaked )
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bindings.py ( menus reorganized )
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config.txt ( execbinding enabled )
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editorwindow.py ( new menus, fixed 'Python Documentation' )
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filelist.py ( hook for "open in same window" )
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formatparagraph.py ( bindings tweaked )
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idle.bat ( removed absolute pathname )
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idle.pyw ( weird bug due to import with same name? )
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iobinding.py ( open in same window, EOL convention )
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keydefs.py ( bindings tweaked )
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outputwindow.py ( readline, scroll_clear, etc )
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pyshell.py ( changed startup behavior )
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readme.txt ( <Recursion on file with id=1234567> )
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IDLE 0.5 - February 2000
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------------------------
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This is an early release of IDLE, my own attempt at a Tkinter-based
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IDE for Python.
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For news about this release, see the file NEWS.txt. (For a more
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detailed change log, see the file ChangeLog.)
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FEATURES
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IDLE has the following features:
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- coded in 100% pure Python, using the Tkinter GUI toolkit (i.e. Tcl/Tk)
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- cross-platform: works on Windows and Unix (on the Mac, there are
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currently problems with Tcl/Tk)
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- multi-window text editor with multiple undo, Python colorizing
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and many other features, e.g. smart indent and call tips
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- Python shell window (a.k.a. interactive interpreter)
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- debugger (not complete, but you can set breakpoints, view and step)
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USAGE
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The main program is in the file "idle.py"; on Unix, you should be able
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to run it by typing "./idle.py" to your shell. On Windows, you can
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run it by double-clicking it; you can use idle.pyw to avoid popping up
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a DOS console. If you want to pass command line arguments on Windows,
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use the batch file idle.bat.
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Command line arguments: files passed on the command line are executed,
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not opened for editing, unless you give the -e command line option.
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Try "./idle.py -h" to see other command line options.
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IDLE requires Python 1.5.2, so it is currently only usable with a
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Python 1.5.2 distribution. (An older version of IDLE is distributed
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with Python 1.5.2; you can drop this version on top of it.)
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COPYRIGHT
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IDLE is covered by the standard Python copyright notice
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(http://www.python.org/doc/Copyright.html).
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FEEDBACK
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(removed, since Guido probably doesn't want complaints about my
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changes)
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--Guido van Rossum (home page: http://www.python.org/~guido/)
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