From the Back Cover
Designed for the professional programmer, the book is concise, to the point, and highly accessible. It also includes detailed information on the Python library and many advanced subjects that is not available in either the official Python documentation or any other single reference source. Thoroughly updated to reflect the significant new programming language features and library modules that have been introduced in Python 2.6 and Python 3, the fourth edition of "Python Essential Reference" is the definitive guide for programmers who need to modernize existing Python code or who are planning an eventual migration to Python 3. Programmers starting a new Python project will find detailed coverage of contemporary Python programming idioms. This fourth edition of "Python Essential Reference" features numerous improvements, additions, and updates: Coverage of new language features, libraries, and modules
Practical coverage of Python's more advanced features including generators, coroutines, closures, metaclasses, and decoratorsExpanded coverage of library modules related to concurrent programming including threads, subprocesses, and the new multiprocessing moduleUp-to-the-minute coverage of how to use Python 2.6's forward compatibility mode to evaluate code for Python 3 compatibilityImproved organization for even faster answers and better usabilityUpdates to reflect modern Python programming style and idioms Updated and improved example codeDeep coverage of low-level system and networking library modules - including options not covered in the standard documentation
About the Author
David M. Beazley has been programming Python since 1996. While working at Los Alamos National Laboratory, he helped pioneer the use of Python with scientific computing software. Through his company, Dabeaz LLC, he provides software development, training, and consulting related to the practical use of dynamic programming languages such as Python, Ruby, and Perl, especially in systems programming. He is author of all previous editions of Python Essential Reference, and was contributing author of Steve Holden’s Python Web Programming. He is a member of the Python Software Foundation.