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Fluent
Python
CLEAR, CONCISE, AND EFFECTIVE PROGRAMMING
Luciano Ramalho
Fluent Python
Python’s simplicity lets you become productive quickly, but this often means
you aren’t using everything it has to offer. With this hands-on guide, you’ll learn
how to write effective, idiomatic Python code by leveraging its best—and
possibly most neglected—features. Author Luciano Ramalho takes you
through Python’s core language features and libraries, and shows you how to
make your code shorter, faster, and more readable at the same time.
Many experienced programmers try to bend Python to fit patterns they
learned from other languages, and never discover Python features outside
of their experience. With this book, those Python programmers will
thoroughly learn how to become proficient in Python 3.
This book covers:
■
I am proud to have been
“
a tech reviewer for this
excellent book—not only
will it help many
intermediate Python
programmers on their
road towards mastery,
but it has taught me quite
a few things, too!
Python Software Foundation Fellow
—Alex Martelli
”
The Python data model:
understand how special methods are
the key to the consistent behavior of objects
Data structures:
take full advantage of built-in types, and
understand the text versus bytes duality in the Unicode age
Functions as objects:
view Python functions as first-class objects,
and understand how this affects popular design patterns
Object-oriented idioms:
build classes by learning about
references, mutability, interfaces, operator overloading, and
multiple inheritance
Control flow:
leverage context managers, generators,
coroutines, and concurrency with the
concurrent.futures
and
asyncio
packages
Metaprogramming:
understand how properties, attribute
descriptors, class decorators, and metaclasses work
■
“
treasure trove full of
Fluent Python is a
useful programming
tricks for intermediate to
advanced Python coders
who want to push the
boundaries of their
knowledge.
—Daniel and Audrey Roy Greenfeld
authors of
Two Scoops of Django
■
■
■
”
■
Luciano Ramalho,
a Python programmer since 1998, is a Python Software
Foundation fellow, co-owner of Python.pro.br—a training company in Brazil—
and cofounder of Garoa Hacker Clube, Brazil’s first hackerspace. He has led
software development teams and taught Python courses in Brazilian media,
banking, and government sectors.
PROGR AMMING/PY THON
Twitter: @oreillymedia
facebook.com/oreilly
US $49.99
CAN $57.99
ISBN: 978-1-491-9-46008
Fluent Python
Luciano Ramalho
Boston
Fluent Python
by Luciano Ramalho
Copyright © 2015 Luciano Gama de Sousa Ramalho. All rights reserved.
Printed in the United States of America.
Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472.
O’Reilly books may be purchased for educational, business, or sales promotional use. Online editions are
also available for most titles (http://safaribooksonline.com). For more information, contact our corporate/
institutional sales department: 800-998-9938 or
corporate@oreilly.com.
Editors:
Meghan Blanchette and Rachel Roumeliotis
Production Editor:
Melanie Yarbrough
Copyeditor:
Kim Cofer
Proofreader:
Jasmine Kwityn
August 2015:
First Edition
Indexer:
Judy McConville
Cover Designer:
Ellie Volckhausen
Interior Designer:
David Futato
Illustrator:
Rebecca Demarest
Revision History for the First Edition:
2015-07-24:
2015-08-21:
First release
Second release
See
http://oreilly.com/catalog/errata.csp?isbn=9781491946008
for release details.
The O’Reilly logo is a registered trademark of O’Reilly Media, Inc.
Fluent Python,
the cover image, and
related trade dress are trademarks of O’Reilly Media, Inc.
While the publisher and author have used good faith efforts to ensure that the information and instructions
contained in this work are accurate, the publisher and the author disclaim all responsibility for errors or
omissions, including without limitation responsibility for damages resulting from the use of or reliance on
this work. Use of the information and instructions contained in this work is at your own risk. If any code
samples or other technology this work contains or describes is subject to open source licenses or the intel‐
lectual property rights of others, it is your responsibility to ensure that your use thereof complies with such
licenses and/or rights.
ISBN: 978-1-491-94600-8
[LSI]
Para Marta, com todo o meu amor.

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