Is there shorthand for returning a default value if None in Python

Question

In C   I can say x        which will give me x if x is not null  and the empty string if x is null  I ve found it useful for working with databases    Is there a way to return a default value if Python finds None in a variable

User · Answer

You ve got the ternary syntax x if x else    - is that what you re after

User · Answer

You could use the or operator   return x or  default    Note that this also returns  default  if x is any falsy value  including an empty list  0  empty string  or even datetime time 0   midnight

User · Answer

You can use a conditional expression   x if x is not None else some value   Example   In  22   x   None  In  23   print x if x is not None else  foo  foo  In  24   x    bar   In  25   print x if x is not None else  foo  bar

User · Answer

x or  default    works best     i can even use a function call inline  without executing it twice or using extra variable   self lineEdit path setText  self getDir basepath  or basepath     I use it when opening Qt s dialog getExistingDirectory   and canceling  which returns empty string

User · Answer

return  default  if x is None else x   try the above

[python] Is there shorthand for returning a default value if None in Python?

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