try:
return int(v) * invscale // scale
except ValueError:
- pass
+ return default
def str_or_none(v, default=None):
def float_or_none(v, scale=1, invscale=1, default=None):
- return default if v is None else (float(v) * invscale / scale)
+ if v is None:
+ return default
+ try:
+ return float(v) * invscale / scale
+ except ValueError:
+ return default
def parse_duration(s):