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Topic python essentials
Public room public room
Moderators •   sys
Depth •  Tech > programming > python essentials
Purpose • 
Essential python knowledge sharing.
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sys@335 
Public post3074
utc2024-10-16 01:35
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Existence of variables!

To check the existence of a local variable:

if 'myVar' in locals():
  # myVar exists.

To check the existence of a global variable:

if 'myVar' in globals():
  # myVar exists.

To check if an object has an attribute:

if hasattr(obj, 'attr_name'):
  # obj.attr_name exists.
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