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Viewing changes to wxPython/wx/tools/Editra/src/ebmlib/miscutil.py

  • Committer: Package Import Robot
  • Author(s): Stéphane Graber
  • Date: 2012-01-07 13:59:25 UTC
  • mfrom: (1.1.9) (5.1.10 sid)
  • Revision ID: package-import@ubuntu.com-20120107135925-2601miy9ullcon9j
Tags: 2.8.12.1-6ubuntu1
https://launchpad.net/bugs/632984
* Resync from Debian, changes that were kept:
  - debian/rules: re-enable mediactrl. This allows libwx_gtk2u_media-2.8 to be
    built, as this is required by some applications (LP: #632984)
  - debian/control: Build-dep on libxt-dev for mediactrl.
  - Patches
    + fix-bashism-in-example
* Add conflict on python-wxgtk2.8 (<< 2.8.12.1-6ubuntu1~) to python-wxversion
  to guarantee upgrade ordering when moving from pycentral to dh_python2.

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wxPython/wx/tools/Editra/src/ebmlib/miscutil.py
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###############################################################################
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"""
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Editra Buisness Model Library: MiscUtil
 
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Editra Business Model Library: MiscUtil
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Various helper functions
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"""
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__author__ = "Cody Precord <cprecord@editra.org>"
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__cvsid__ = "$Id: miscutil.py 63847 2010-04-03 23:16:28Z CJP $"
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__revision__ = "$Revision: 63847 $"
 
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__cvsid__ = "$Id: miscutil.py 67329 2011-03-28 23:40:48Z CJP $"
 
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__revision__ = "$Revision: 67329 $"
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__all__ = [ 'MinMax', ]
 
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__all__ = [ 'MinMax', 'Singleton']
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#-----------------------------------------------------------------------------#
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# Imports
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#-----------------------------------------------------------------------------#
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class Singleton(type):
 
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    """Singleton metaclass for creating singleton classes
 
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    @note: class being applied to must have a SetupWindow method
 
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    """
 
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    def __init__(cls, name, bases, dict):
 
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        super(Singleton, cls).__init__(name, bases, dict)
 
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        cls.instance = None
 
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    def __call__(cls, *args, **kw):
 
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        if not cls.instance:
 
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            # Not created or has been Destroyed
 
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            obj = super(Singleton, cls).__call__(*args, **kw)
 
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            cls.instance = obj
 
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        return cls.instance
 
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#-----------------------------------------------------------------------------#
 
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def MinMax(arg1, arg2):
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    """Return an ordered tuple of the minimum and maximum value
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    of the two args.