2234b04613
git-svn-id: svn://svn.code.sf.net/p/fonttools/code/trunk@70 4cde692c-a291-49d1-8350-778aa11640f8
90 lines
2.8 KiB
Python
90 lines
2.8 KiB
Python
import sys, types
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try:
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import describeFunction
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except ImportError:
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print "(Can't check interfaces, describeFunction could not be imported)"
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describeFunction = None
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def collectMethodNames(theClass, names=None):
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if names is None:
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names = {}
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names.update(theClass.__dict__)
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for baseClass in theClass.__bases__:
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collectMethodNames(baseClass, names)
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names = names.keys()
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names.sort()
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return names
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def checkClass(moduleName, theClass):
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className = theClass.__name__
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if theClass.__module__ <> moduleName:
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return
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if not hasattr(theClass, "__implements__"):
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print "Interfaceless class: %s (%s)" % (className, theClass.__module__)
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return
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interfaces = theClass.__implements__
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if interfaces is None:
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return
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if isinstance(interfaces, types.ClassType):
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interfaces = (interfaces,)
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gotOne = 0
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for interface in interfaces:
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methodNames = collectMethodNames(interface)
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methodNames.sort()
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for methodName in methodNames:
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method = getattr(interface, methodName)
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if not isinstance(method, types.UnboundMethodType):
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continue
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method = method.im_func
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if not hasattr(theClass, methodName):
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if not gotOne:
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print "\nWarnings for module %s\n" % moduleName
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gotOne = 1
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print "class %s misses required method:\n %s" % (className, describeFunction.describe(method))
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continue
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method2 = getattr(theClass, methodName).im_func
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argList = describeFunction._describe(method)
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argList2 = describeFunction._describe(method2)
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if len(argList2) < len(argList):
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if not gotOne:
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print "\nWarnings for module %s\n" % moduleName
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gotOne = 1
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print "Method doesn't have enough arguments:"
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print " interface: %s.%s" % (className, describeFunction.describe(method))
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print " implementation: %s.%s" % (className, describeFunction.describe(method2))
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continue
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for i in range(len(argList)):
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if argList[i] <> argList2[i]:
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if not gotOne:
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print "\nWarnings for module %s\n" % moduleName
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gotOne = 1
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print "Method has different arguments:"
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print " interface: %s.%s" % (className, describeFunction.describe(method))
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print " implementation: %s.%s" % (className, describeFunction.describe(method2))
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break
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for arg in argList2[len(argList):]:
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if type(arg) == types.StringType:
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if not gotOne:
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print "\nWarnings for module %s\n" % moduleName
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gotOne = 1
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print "Additional argument(s) should have default value(s):"
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print " interface: %s.%s" % (className, describeFunction.describe(method))
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print " implementation: %s.%s" % (className, describeFunction.describe(method2))
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break
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def checkInterface(moduleName):
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if describeFunction is None:
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return
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items = sys.modules[moduleName].__dict__.items()
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items.sort()
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for name, value in items:
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if not isinstance(value, types.ClassType):
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continue
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checkClass(moduleName, value)
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