diff options
Diffstat (limited to 'Misc/NEWS')
| -rw-r--r-- | Misc/NEWS | 26 |
1 files changed, 18 insertions, 8 deletions
@@ -37,14 +37,16 @@ Core - A new command line option, -Q<arg>, is added to control run-time warnings for the use of classic division. (See PEP 238.) Possible - values are -Qold, -Qwarn, and -Qnew. The default is -Qold, meaning - the / operator has its classic meaning and no warnings are issued. - Using -Qwarn issues a run-time warning about all uses of classic - division for int, long, float and complex arguments. Using -Qnew is - questionable; it turns on new division by default, but only in the - __main__ module. You can usefully combine -Qwarn and -Qnew: this - gives the __main__ module new division, and warns about classic - division everywhere else. + values are -Qold, -Qwarn, -Qwarnall, and -Qnew. The default is + -Qold, meaning the / operator has its classic meaning and no + warnings are issued. Using -Qwarn issues a run-time warning about + all uses of classic division for int and long arguments; -Qwarnall + also warns about classic division for float and complex arguments + (for use with fixdiv.py). Using -Qnew is questionable; it turns on + new division by default, but only in the __main__ module. You can + usefully combine -Qwarn or -Qwarnall and -Qnew: this gives the + __main__ module new division, and warns about classic division + everywhere else. - Many built-in types can now be subclassed. This applies to int, long, float, str, unicode, and tuple. (The types complex, list and @@ -114,8 +116,16 @@ Library Tools +- Tools/scripts/fixdiv.py has been added which can be used to fix + division operators as per PEP 238. + Build +- If you are an adventurous person using Mac OS X you may want to look at + Mac/OSX. There is a Makefile there that will build Python as a real Mac + application, which can be used for experimenting with Carbon or Cocoa. + Discussion of this on pythonmac-sig, please. + C API - New function PyObject_Dir(obj), like Python __builtin__.dir(obj). |