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removed PureVirtual class

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This commit is contained in:
Darren Ranalli 2004-01-31 01:49:51 +00:00
parent e659ec28f3
commit 47b99a1571
1 changed files with 0 additions and 12 deletions
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12
direct/src/showbase/PythonUtil.py
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@ -747,18 +747,6 @@ def describeException(backTrace = 4):
description += "%s: %s" % (exceptionName, extraInfo)
return description
class PureVirtual:
""" Python classes that want to have C++-style pure-virtual functions
can derive from this class and call 'derivedMustOverride' from their
'pure virtual' methods. Such Python classes can still be instantiated,
but they will give an informative error when a pure-virtual method
is invoked. """
def derivedMustOverride(self):
""" call this function from methods that must be overriden
and are not meant to be chained down to. This simulates C++
pure-virtual methods. """
raise 'error: derived class must implement %s' % callerInfo()[2]
def mostDerivedLast(classList):
"""pass in list of classes. sorts list in-place, with derived classes
appearing after their bases"""