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Practical Maya Programming with Python

You're reading from   Practical Maya Programming with Python Unleash the power of Python in Maya and unlock your creativity

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Product type Paperback
Published in Jul 2014
Publisher
ISBN-13 9781849694728
Length 352 pages
Edition 1st Edition
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Author (1):
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Robert Galanakis Robert Galanakis
Author Profile Icon Robert Galanakis
Robert Galanakis
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Table of Contents (12) Chapters Close

Preface 1. Introspecting Maya, Python, and PyMEL FREE CHAPTER 2. Writing Composable Code 3. Dealing with Errors 4. Leveraging Context Managers and Decorators in Maya 5. Building Graphical User Interfaces for Maya 6. Automating Maya from the Outside 7. Taming the Maya API 8. Unleashing the Maya API through Python 9. Becoming a Part of the Python Community A. Python Best Practices Index

Unicode strings

I can think of nothing else that has caused programmers more confusion than Unicode strings. I will not even attempt to explain the issues surrounding Unicode, but I feel it's important to bring up so when you see something like the following, you will be prepared.

>>> import pymel.core as pmc
>>> xform = pmc.polyCube()[0]
>>> myname = 'cubexform'
>>> xform.rename(myname)
>>> xform.name()
u'cubexform'

Unicode strings in Python 2 are prefixed with a u character. So how come even though we named our node using a "regular" (byte) string with no prefix, we got back a Unicode string from the xform.name() method?

Well, "regular" strings in Python 2 (the str type) support ASCII characters only. ASCII is able to represent a very limited number of characters, but all the characters of the world can be represented by the Unicode system. So if you are creating a program that needs to be localized...

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