Preliminary support for "from __future__ import generators" to enable

the yield statement.  I figure we have to have this in before I can
release 2.2a1 on Wednesday.

Note: test_generators is currently broken, I'm counting on Tim to fix
this.

4 files changed, 6 insertions, 0 deletions

diff --git a/Lib/__future__.py b/Lib/__future__.py
index 8510ceb..65416ae 100644
--- a/Lib/__future__.py
+++ b/Lib/__future__.py
@@ -67,3 +67,4 @@ class _Feature:
                             `self.getMandatoryRelease()` + ")"
 
 nested_scopes = _Feature((2, 1, 0, "beta", 1), (2, 2, 0, "alpha", 0))
+generators = _Feature((2, 2, 0, "alpha", 1), (2, 3, 0, "final", 0))
diff --git a/Lib/inspect.py b/Lib/inspect.py
index 2d88bc1..6183b0e 100644
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@@ -24,6 +24,8 @@ Here are some of the useful functions provided by this module:
 
 # This module is in the public domain.  No warranties.
 
+from __future__ import generators
+
 __author__ = 'Ka-Ping Yee <ping@lfw.org>'
 __date__ = '1 Jan 2001'
 
diff --git a/Lib/tokenize.py b/Lib/tokenize.py
index b79cdc0..cbe4552 100644
--- a/Lib/tokenize.py
+++ b/Lib/tokenize.py
@@ -22,6 +22,8 @@ are the same, except instead of generating tokens, tokeneater is a callback
 function to which the 5 fields described above are passed as 5 arguments,
 each time a new token is found."""
 
+from __future__ import generators
+
 __author__ = 'Ka-Ping Yee <ping@lfw.org>'
 __credits__ = \
     'GvR, ESR, Tim Peters, Thomas Wouters, Fred Drake, Skip Montanaro'
diff --git a/Lib/types.py b/Lib/types.py
index 85962ba..95600a3 100644
--- a/Lib/types.py
+++ b/Lib/types.py
@@ -2,6 +2,7 @@
 
 Types that are part of optional modules (e.g. array) are not listed.
 """
+from __future__ import generators
 
 import sys