python效能增強工具shedskin 0.3版發布

http://code.google.com/p/shedskin/

Shed Skin 0.3

- support for 3 new standard library modules (now about 20 in total):

- itertools (jeremie roquet)

- heapq (jeremie roquet)

- csv (converted using shedskin)

- 4 new example programs (now 44 in total!):

- maximum weighted matching algorithm (joris van rantwijk)

- kanoodle: knuth's dancing links (david austin)

- bidirectional dijkstra algorithm (from networkx, uses heapq)

- barnes-hut force calculation

- improved type inference (scalability, bugfixes, major cleanup)

- support for 'map', 'filter', 'reduce' and 'next'

- support for 'with' statement (jeremie roquet)

- support for 'key' argument of 'sorted' (and 'list.sort')

- reorganized codebase, distutils setup.py (thomas spura)

- optimized list indexing (joris van rantwijk)

- optimized addition of 1-length lists and strings

- improved forward referencing of variables/functions

- avoid GCC warnings after 'shedskin -e'

- support for passing keyword arguments to extension modules

- optimized list slicing

- ignore blocks surrounded by #{ and #} (mike schrick)

- add --makefile option (mike schrick)

- several cleanups, removing about 100 lines again

- large amount of bugfixes