New example

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@742 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/python/variables/example.py

@@ -0,0 +1,76 @@
+# file: example.py
+
+import example
+
+# Try to set the values of some global variables
+
+example.cvar.ivar   =  42
+example.cvar.svar   = -31000
+example.cvar.lvar   =  65537
+example.cvar.uivar  =  123456
+example.cvar.usvar  =  61000
+example.cvar.ulvar  =  654321
+example.cvar.scvar  =  -13
+example.cvar.ucvar  =  251
+example.cvar.cvar   =  "S"
+example.cvar.fvar   =  3.14159
+example.cvar.dvar   =  2.1828
+example.cvar.strvar =  "Hello World"
+example.cvar.cstrvar = "Goodbye"
+example.cvar.iptrvar= example.new_int(37)
+example.cvar.ptptr  = example.new_Point(37,42)
+example.cvar.name   = "Bill"
+
+# Now print out the values of the variables
+
+print "Variables (values printed from Python)"
+
+print "ivar      =", example.cvar.ivar
+print "svar      =", example.cvar.svar
+print "lvar      =", example.cvar.lvar
+print "uivar     =", example.cvar.uivar
+print "usvar     =", example.cvar.usvar
+print "ulvar     =", example.cvar.ulvar
+print "scvar     =", example.cvar.scvar
+print "ucvar     =", example.cvar.ucvar
+print "fvar      =", example.cvar.fvar
+print "dvar      =", example.cvar.dvar
+print "cvar      =", example.cvar.cvar
+print "strvar    =", example.cvar.strvar
+print "cstrvar   =", example.cvar.cstrvar
+print "iptrvar   =", example.cvar.iptrvar
+print "name      =", example.cvar.name
+print "ptptr     =", example.cvar.ptptr, example.Point_print(example.cvar.ptptr)
+print "pt        =", example.cvar.pt, example.Point_print(example.cvar.pt)
+
+print "\nVariables (values printed from C)"
+
+example.print_vars()
+
+print "\nNow I'm going to try and modify some read only variables";
+
+print "     Tring to set 'path'";
+try:
+    example.cvar.path = "Whoa!"
+    print "Hey, what's going on?!?! This shouldn't work"
+except:
+    print "Good."
+
+print "     Trying to set 'status'";
+try:
+    example.cvar.status = 0
+    print "Hey, what's going on?!?! This shouldn't work"
+except:
+    print "Good."
+
+
+print "\nI'm going to try and update a structure variable.\n"
+
+example.cvar.pt = example.cvar.ptptr
+
+print "The new value is"
+example.pt_print()
+print "You should see the value", example.Point_print(example.cvar.ptptr)
+
+
+