Release Date: Nov. 17, 2013
fixes several security issues and various other bugs found in Python 3.3.2.
This release fully supports OS X 10.9 Mavericks. In particular, this release fixes an issue that could cause previous versions of Python to crash when typing in interactive mode on OS X 10.9.
Major new features of the 3.3 series, compared to 3.2
Python 3.3 includes a range of improvements of the 3.x series, as well as easier porting between 2.x and 3.x.
- PEP 380, syntax for delegating to a subgenerator (yield from)
- PEP 393, flexible string representation (doing away with the distinction between "wide" and "narrow" Unicode builds)
- A C implementation of the "decimal" module, with up to 120x speedup for decimal-heavy applications
- The import system (__import__) is based on importlib by default
- The new "lzma" module with LZMA/XZ support
- PEP 397, a Python launcher for Windows
- PEP 405, virtual environment support in core
- PEP 420, namespace package support
- PEP 3151, reworking the OS and IO exception hierarchy
- PEP 3155, qualified name for classes and functions
- PEP 409, suppressing exception context
- PEP 414, explicit Unicode literals to help with porting
- PEP 418, extended platform-independent clocks in the "time" module
- PEP 412, a new key-sharing dictionary implementation that significantly saves memory for object-oriented code
- PEP 362, the function-signature object
- The new "faulthandler" module that helps diagnosing crashes
- The new "unittest.mock" module
- The new "ipaddress" module
- The "sys.implementation" attribute
- A policy framework for the email package, with a provisional (see PEP 411) policy that adds much improved unicode support for email header parsing
- A "collections.ChainMap" class for linking mappings to a single unit
- Wrappers for many more POSIX functions in the "os" and "signal" modules, as well as other useful functions such as "sendfile()"
- Hash randomization, introduced in earlier bugfix releases, is now switched on by default
- Change log for this release.
- Online Documentation
- What's new in 3.3?
- 3.3 Release Schedule
- Report bugs at http://bugs.python.org.
- Help fund Python and its community.
This is a production release. Please report any bugs you encounter.
We currently support these formats for download:
- Bzipped source tar ball (3.3.3) (sig), ~ 14 MB
- XZ compressed source tar ball (3.3.3) (sig), ~ 11 MB
- Gzipped source tar ball (3.3.3) (sig), ~ 16 MB
- Windows x86 MSI Installer (3.3.3) (sig) and Visual Studio debug information files (sig)
- Windows X86-64 MSI Installer (3.3.3)  (sig) and Visual Studio debug information files (sig)
- Windows help file (sig)
- Mac OS X 64-bit/32-bit Installer (3.3.3) for Mac OS X 10.6 and later  (sig). [You may need an updated Tcl/Tk install to run IDLE or use Tkinter, see note 2 for instructions.]
- Mac OS X 32-bit i386/PPC Installer (3.3.3) for Mac OS X 10.5 and later  (sig)
The source tarballs are signed with Georg Brandl's key, which has a key id of 36580288; the fingerprint is 26DE A9D4 6133 91EF 3E25 C9FF 0A5B 1018 3658 0288. The Windows installer was signed by Martin von Löwis' public key, which has a key id of 7D9DC8D2. 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:
831d59212568dc12c95df222865d3441 16808057 Python-3.3.3.tgz f3ebe34d4d8695bf889279b54673e10c 14122529 Python-3.3.3.tar.bz2 4ca001c5586eb0744e3174bc75c6fba8 12057744 Python-3.3.3.tar.xz 60f44c22bbd00fbf3f63d98ef761295b 19876666 python-3.3.3-macosx10.5.dmg 3f7b6c1dc58d7e0b5282f3b7a2e00ef7 19956580 python-3.3.3-macosx10.6.dmg 3fc2925746372ab8401dfabce278d418 27034152 python-3.3.3-pdb.zip 8af44d33ea3a1528fc56b3a362924500 22145398 python-3.3.3.amd64-pdb.zip 8de52d1e2e4bbb3419b7f40bdf48e855 21086208 python-3.3.3.amd64.msi ab6a031aeca66507e4c8697ff93a0007 20537344 python-3.3.3.msi c86d6d68ca1a1de7395601a4918314f9 6651185 python333.chm
|||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).|
|||(1, 2) There is important information about IDLE, Tkinter, and Tcl/Tk on Mac OS X here.|
|Version||Operating System||Description||MD5 Sum||File Size||GPG|
|bzip2 compressed source tarball||Source release||f3ebe34d4d8695bf889279b54673e10c||14122529||SIG|
|Gzipped source tarball||Source release||a44bec5d1391b1af654cf15e25c282f2||69120000||SIG|
|XZ compressed source tarball||Source release||4ca001c5586eb0744e3174bc75c6fba8||12057744||SIG|
|Mac OS X 32-bit i386/PPC installer||macOS||for Mac OS X 10.5 and later||60f44c22bbd00fbf3f63d98ef761295b||19876666||SIG|
|Mac OS X 64-bit/32-bit installer||macOS||for Mac OS X 10.6 and later||3f7b6c1dc58d7e0b5282f3b7a2e00ef7||19956580||SIG|
|Windows debug information files||Windows||3fc2925746372ab8401dfabce278d418||27034152||SIG|
|Windows help file||Windows||c86d6d68ca1a1de7395601a4918314f9||6651185||SIG|
|Windows x86-64 MSI installer||Windows||for AMD64/EM64T/x64||8de52d1e2e4bbb3419b7f40bdf48e855||21086208||SIG|
|Windows x86 MSI installer||Windows||ab6a031aeca66507e4c8697ff93a0007||20537344||SIG|