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Seems to work using 2.7 but not 3.2. On 3.2 it just closes all my python sessions. Is this a bug? Can someone point me to a "How To" on using a local printer in windows?

Thanks!
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  • Gabriel Genellina at Jun 7, 2011 at 6:22 am
    En Mon, 06 Jun 2011 14:48:26 -0300, Steve Oldner <Steven.Oldner at la.gov>
    escribi?:
    Seems to work using 2.7 but not 3.2. On 3.2 it just closes all my
    python sessions. Is this a bug? Can someone point me to a "How To" on
    using a local printer in windows?
    It's a bug. Starting IDLE from the command line, one can actually see the
    error:


    Exception in Tkinter callback
    Traceback (most recent call last):
    File "D:\apps\python32\lib\tkinter\__init__.py", line 1399, in __call__
    return self.func(*args)
    File "D:\apps\python32\lib\idlelib\IOBinding.py", line 453, in
    print_window
    command = idleConf.GetOption('main','General','print-command-win')
    File "D:\apps\python32\lib\idlelib\configHandler.py", line 245, in
    GetOption
    type=type, raw=raw)
    File "D:\apps\python32\lib\idlelib\configHandler.py", line 54, in Get
    return self.get(section, option, raw=raw)
    File "D:\apps\python32\lib\configparser.py", line 789, in get
    d)
    File "D:\apps\python32\lib\configparser.py", line 391, in before_get
    self._interpolate_some(parser, option, L, value, section, defaults, 1)
    File "D:\apps\python32\lib\configparser.py", line 440, in
    _interpolate_some
    "found: %r" % (rest,))
    configparser.InterpolationSyntaxError: '%' must be followed by '%' or '(',
    found
    : '%s'

    IDLE is attempting to read an entry from its configuration file, but fails
    because of a syntax error in the file (it's an error for a ConfigParser
    entry, %s should be %%s). The same entry was fine for earlier IDLE
    versions. As a workaround, you may edit the offending lines in your
    configuration file.


    Go to the idlelib directory; if you don't know where it is, just open idle
    or Python command line and execute:

    py> import idlelib
    py> idlelib.__file__
    'D:\\apps\\python32\\lib\\idlelib\\__init__.py'

    In the same directory you'll find config-main.def; open it, and replace
    these lines in the [General] section:

    print-command-posix=lpr %%s
    print-command-win=start /min notepad /p %%s

    (%s should become %%s). Tested on Windows, but Linux should have the same
    problem and temporary solution. You may need to roll this change back when
    the code is corrected.

    Reported as http://bugs.python.org/issue12274


    --
    Gabriel Genellina
  • Steve Oldner at Jun 7, 2011 at 12:08 pm
    Thanks Gabriel!

    Do you know where any documentation is on printing to a local printer for 3.2? I've found Hammond's and Golden's info for win32, but haven't seen if it works for 3.2.

    Again thank you for your reply and submitting the bug.

    --

    Steve Oldner



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postedJun 6, '11 at 5:48p
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