def validation_hgt_cm(s, loc, tokens):
if 150 <= int(tokens[0]) <= 193:
return (True)
return (False)
def validation_hgt_in(s, loc, tokens):
if 59 <= int(tokens[0]) <= 76:
return (True)
return (False)
hgt_cm = Word(nums) + "cm"
hgt_cm.addCondition(validation_hgt_cm)
hgt_inch = Word(nums) + "in"
hgt_inch.addCondition(validation_hgt_in)
hgt = "hgt:" + (hgt_cm ^ hgt_inch) # brackets are required!
hgt_test = """hgt: 160cm
hgt: 50cm
hgt: 60in
hgt: 40in
"""
# hgt.runTests(hgt_test) # careful, in this case the error messages are NOT right?!
hcl = "hcl:" + Word("#") + Word(srange("[a-f0-9]"), exact=6)
class InvalidTransitionException(Exception):
pass
ident = Word(alphas + "_", alphanums + "_$")
def no_keywords_allowed(s, l, t):
wd = t[0]
return not keyword.iskeyword(wd)
ident.addCondition(
no_keywords_allowed,
message="cannot use a Python keyword for state or transition identifier")
stateTransition = ident("from_state") + "->" + ident("to_state")
stateMachine = (Keyword("statemachine") + ident("name") + ":" +
OneOrMore(Group(stateTransition))("transitions"))
namedStateTransition = (ident("from_state") + "-(" + ident("transition") +
")->" + ident("to_state"))
namedStateMachine = (Keyword("statemachine") + ident("name") + ":" +
OneOrMore(Group(namedStateTransition))("transitions"))
def expand_state_definition(source, loc, tokens):
indent = " " * (col(loc, source) - 1)
statedef = []