def test_combine_ranges():
r1 = Range(1, 2)
r2 = Range(2, 4)
r3 = Range(10, 12)
l1 = [r1, r2, r3]
assert Range.combine_ranges([r1, r2]) == [Range(1, 4)]
assert Range.combine_ranges([r1, r2, r3]) == [Range(1, 4), Range(10, 12)]
def python_validator(self):
ret = []
ret.append(" @classmethod")
ret.append(" def {}(self,x):".format(self.python_validator_name()))
ret.append(' """{}"""'.format(self.desc))
if self.allow_any:
ret.append(" return True")
return "\n".join(ret) + "\n"
if self.allow_null:
ret.append(" if x is None or x == \"None\" or len(x) == 0:")
ret.append(" return True")
else:
ret.append(" if x is None or x == \"None\":")
ret.append(" return False")
if self.allow_whitespace:
size = "".rjust(self.width, " ")
ret.append(" if x == '{}':".format(size))
ret.append(" return True")
if self.python_type == int or self.python_type == float:
ret.append(' x = str(x).strip()')
ret.append(' try:')
if self.python_type == int:
ret.append(' x = int(x)')
if self.python_type == float:
ret.append(' x = float(x)')
ret.append(' except ValueError:')
ret.append(' return False')
ranges = Range.combine_ranges(self.ranges)
try:
expr = " or ".join([
"({})".format(r.python_expr(self.python_type, self.width))
for r in ranges
])
except ValueError as e:
logging.error(
"Cannot create python range expression for variable " +
str(self))
raise RuntimeError(
"Cannot create python range expression for variable " +
str(self))
if expr == "":
expr = "True"
ret.append(" return " + expr)
return "\n".join(ret) + "\n"
def python_validation_text(self):
ranges = Range.combine_ranges(self.ranges)
return ", ".join(['{}-{}'.format(r.a, r.b) for r in ranges])