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Python 2.7.8 Release

Python 2.7.8 was released on July 1, 2014. This release includes regression and security fixes over 2.7.7 including:

Download

This is a production release. Please report any bugs you encounter.

We currently support these formats for download:

The source tarballs are signed with Benjamin Peterson's key, which has key id 18ADD4FF. The Mac installers were signed with Ned Deily's key, which has a key id of 6F5E1540. The public keys are located on the download page.

MD5 checksums and sizes of the released files:

38cadfcac6dd56ecf772f2f3f14ee846  17231872  python-2.7.8.amd64.msi
1d573b6422d4b00aeb39c1ed5aa05d8c  23561282  python-2.7.8.amd64-pdb.zip
ef95d83ace85d1577b915dbd481977d4  16703488  python-2.7.8.msi
83c1b28264ca8eb1ea97100065988192  25355330  python-2.7.8-pdb.zip
1cda33c3546f20b484869bed243d8726   6062806  python278.chm
56f664f1813852585fc0bd28f5d71147  20772301  python-2.7.8-macosx10.3.dmg
b5d6b720d436b8305263612fd7d36642       473  python-2.7.8-macosx10.3.dmg.asc
23e9a3e4e0e4ef2f0989148edaa507e5  20469575  python-2.7.8-macosx10.5.dmg
44f8259d11bdda96b1e0ffcd9f701fa6       473  python-2.7.8-macosx10.5.dmg.asc
183f72950e4d04a7137fc29848740d09  20370972  python-2.7.8-macosx10.6.dmg
166d9b5b63133fae74e9a38903239472       473  python-2.7.8-macosx10.6.dmg.asc
d4bca0159acb0b44a781292b5231936f  14846119  Python-2.7.8.tgz
d235bdfa75b8396942e360a70487ee00  10525244  Python-2.7.8.tar.xz

About the 2.7 release series

Among the features and improvements to Python 2.6 introduced in the 2.7 series are

  • An ordered dictionary type
  • New unittest features including test skipping, new assert methods, and test discovery
  • A much faster io module
  • Automatic numbering of fields in the str.format() method
  • Float repr improvements backported from 3.x
  • Tile support for Tkinter
  • A backport of the memoryview object from 3.x
  • Set literals
  • Set and dictionary comprehensions
  • Dictionary views
  • New syntax for nested with statements
  • The sysconfig module

Binary installer support for OS X 10.4 and 10.3.9 to be discontinued

Python 2.7.8 is the last release for which binary installers will be released on python.org that support Mac OS X 10.3.9 (Panther) and 10.4.x (Tiger) systems. For Python 2.7.8 only, we are providing three OS X binary installers: the unchanged 10.6+ 64-bit/32-bit format, the deprecated 10.3+ 32-bit-only format, and the newer 10.5+ 32-bit-only format. See the README included with the installer downloads for more information.

[1](1, 2) The binaries for AMD64 will also work on processors that implement the Intel 64 architecture (formerly EM64T), i.e. the architecture that Microsoft calls x64, and AMD called x86-64 before calling it AMD64. They will not work on Intel Itanium Processors (formerly IA-64).
[2](1, 2, 3) There is important information about IDLE, Tkinter, and Tcl/Tk on Mac OS X here.