Python 3.4 Released with new features


Python 3.4.0 was released on March 16th, 2014.

Major new features of the 3.4 series, compared to 3.3.

Python 3.4 includes a range of improvements of the 3.x series, including hundreds of small improvements and bug fixes. Among the new major new features and changes in the 3.4 release series are

* PEP 428, a “pathlib” module providing object-oriented filesystem paths
* PEP 435, a standardized “enum” module
* PEP 436, a build enhancement that will help generate introspection information for builtins
* PEP 442, improved semantics for object finalization
* PEP 443, adding single-dispatch generic functions to the standard library
* PEP 445, a new C API for implementing custom memory allocators
* PEP 446, changing file descriptors to not be inherited by default in subprocesses
* PEP 450, a new “statistics” module
* PEP 451, standardizing module metadata for Python’s module import system
* PEP 453, a bundled installer for the pip package manager
* PEP 454, a new “tracemalloc” module for tracing Python memory allocations
* PEP 456, a new hash algorithm for Python strings and binary data
* PEP 3154, a new and improved protocol for pickled objects
* PEP 3156, a new “asyncio” module, a new framework for asynchronous I/O

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