ConditionalPython
{{ In [11]: v = 'NULL'
In [12]: isinstance(v, int) and v or 0 Out[12]: 0
In [13]: v = 22
In [14]: isinstance(v, int) and v or 0 Out[14]: 22 }}
{{ In [11]: v = 'NULL'
In [12]: isinstance(v, int) and v or 0 Out[12]: 0
In [13]: v = 22
In [14]: isinstance(v, int) and v or 0 Out[14]: 22 }}