Enthought traits user manual






















 · Traits. The Traits package is at the center of all development we do at Enthought and has changed the mental model we use for programming in the already extremely efficient Python programming language. We encourage everyone to join us in enjoying the productivity gains from using such a powerful approach. A trait is a type definition that can.  · The Traits package works with versions and later of Python. It is similar in some ways to the Python property language feature. Standard Python properties provide the similar capabilities to the Traits package, but with more work on the part of the programmer. Footnotes. 1.  · from www.doorway.ru import HasTraits, Int, observe class Person(HasTraits): age = Int(0) @observe("age") def notify_age_change(self, event): print("age changed from {} to {}".format(www.doorway.ru, www.doorway.ru)) person = Person(age=1) # print 'age changed from 0 to 1' www.doorway.ru = 2 # print 'age changed from 1 to 2'.


Enthought experts have deep expertise in fundamental science, and come from multiple domains, for example; life sciences, chemistry, oil gas, manufacturing and aerospace. They also have expertise in scientific software development and a passion for problem solving. Starting with Traits version , most predefined traits are defined as subclasses of www.doorway.ru_www.doorway.ruype. As a result, you can subclass one of these traits, or TraitType, to derive new traits. Refer to the Traits API Reference to see whether a particular predefined trait derives from TraitType. from www.doorway.ru import HasTraits, Int, observe class Person(HasTraits): age = Int(0) @observe("age") def notify_age_change(self, event): print("age changed from {} to {}".format(www.doorway.ru, www.doorway.ru)) person = Person(age=1) # print 'age changed from 0 to 1' www.doorway.ru = 2 # print 'age changed from 1 to 2'.


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