Examples/python/variables/runme.py

# file: runme.py

import example

print("Variables = " + str(example.cvar))

# 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.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("\nVariables (values printed from Python)")

print("ivar      = %s" % example.cvar.ivar)
print("svar      = %s" % example.cvar.svar)
print("lvar      = %s" % example.cvar.lvar)
print("uivar     = %s" % example.cvar.uivar)
print("usvar     = %s" % example.cvar.usvar)
print("ulvar     = %s" % example.cvar.ulvar)
print("scvar     = %s" % example.cvar.scvar)
print("ucvar     = %s" % example.cvar.ucvar)
print("fvar      = %s" % example.cvar.fvar)
print("dvar      = %s" % example.cvar.dvar)
print("cvar      = %s" % example.cvar.cvar)
print("strvar    = %s" % example.cvar.strvar)
print("cstrvar   = %s" % example.cvar.cstrvar)
print("iptrvar   = %s" % example.cvar.iptrvar)
print("name      = %s" % example.cvar.name)
print("ptptr     = %s %s" % (example.cvar.ptptr, example.Point_print(example.cvar.ptptr)))
print("pt        = %s %s" % (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("     Trying to set 'path'")
try:
    example.cvar.path = "Whoa!"
    print("Hey, what's going on?!?! This shouldn't work")
except Exception:
    print("Good.")

print("     Trying to set 'status'")
try:
    example.cvar.status = 0
    print("Hey, what's going on?!?! This shouldn't work")
except Exception:
    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 %s" % example.Point_print(example.cvar.ptptr))