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# file: example.py
# This file illustrates the low-level C++ interface
# created by SWIG. In this case, all of our C++ classes
# get converted into function calls.
import example
# ----- Object creation -----
print "Creating some objects:"
c = example.new_Circle(10)
print " Created circle", c
s = example.new_Square(10)
print " Created square", s
# ----- Access a static member -----
print "\nA total of", example.cvar.Shape_nshapes,"shapes were created"
# ----- Member data access -----
# Set the location of the object
example.Shape_x_set(c, 20)
example.Shape_y_set(c, 30)
example.Shape_x_set(s,-10)
example.Shape_y_set(s,5)
print "\nHere is their current position:"
print " Circle = (%f, %f)" % (example.Shape_x_get(c), example.Shape_y_get(c))
print " Square = (%f, %f)" % (example.Shape_x_get(s), example.Shape_y_get(s))
# ----- Call some methods -----
print "\nHere are some properties of the shapes:"
for o in [c,s]:
print " ", o
print " area = ", example.Shape_area(o)
print " perimeter = ", example.Shape_perimeter(o)
# Notice how the Shape_area() and Shape_perimeter() functions really
# invoke the appropriate virtual method on each object.
# ----- Try to cause a type error -----
print "\nI'm going to try and break the type system"
try:
# Bad script!
Square_area(c) # Try to invoke Square method on a Circle
print " Bad bad SWIG!"
except:
print " Well, it didn't work. Good SWIG."
# ----- Delete everything -----
print "\nGuess I'll clean up now"
# Note: this invokes the virtual destructor
example.delete_Shape(c)
example.delete_Shape(s)
print example.cvar.Shape_nshapes,"shapes remain"
print "Goodbye"
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