Added the cProfile module.

Based on lsprof (patch #1212837) by Brett Rosen and Ted Czotter.
With further editing by Michael Hudson and myself.
History in svn repo: http://codespeak.net/svn/user/arigo/hack/misc/lsprof

* Module/_lsprof.c is the internal C module, Lib/cProfile.py a wrapper.
* pstats.py updated to display cProfile's caller/callee timings if available.
* setup.py and NEWS updated.
* documentation updates in the profiler section:
   - explain the differences between the three profilers that we have now
   - profile and cProfile can use a unified documentation, like (c)Pickle
   - mention that hotshot is "for specialized usage" now
   - removed references to the "old profiler" that no longer exists
* test updates:
   - extended test_profile to cover delicate cases like recursion
   - added tests for the caller/callee displays
   - added test_cProfile, performing the same tests for cProfile
* TO-DO:
   - cProfile gives a nicer name to built-in, particularly built-in methods,
     which could be backported to profile.
   - not tested on Windows recently!

1 files changed, 3 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 7481dd7..9762b9a 100644
--- a/setup.py
+++ b/setup.py
@@ -328,7 +328,6 @@ class PyBuildExt(build_ext):
         # Some modules that are normally always on:
         exts.append( Extension('regex', ['regexmodule.c', 'regexpr.c']) )
 
-        exts.append( Extension('_hotshot', ['_hotshot.c']) )
         exts.append( Extension('_weakref', ['_weakref.c']) )
 
         # array objects
@@ -363,6 +362,9 @@ class PyBuildExt(build_ext):
         exts.append( Extension("functional", ["functionalmodule.c"]) )
         # Python C API test module
         exts.append( Extension('_testcapi', ['_testcapimodule.c']) )
+        # profilers (_lsprof is for cProfile.py)
+        exts.append( Extension('_hotshot', ['_hotshot.c']) )
+        exts.append( Extension('_lsprof', ['_lsprof.c', 'rotatingtree.c']) )
         # static Unicode character database
         if have_unicode:
             exts.append( Extension('unicodedata', ['unicodedata.c']) )