From a054b63bace07521522c5774d0770e790ba7ec13 Mon Sep 17 00:00:00 2001
From: holger krekel <holger@merlinux.eu>
Date: Tue, 5 Oct 2010 17:21:27 +0200
Subject: [PATCH] introduce py.builtin.any

--HG--
branch : trunk
---
 CHANGELOG                    | 1 +
 py/__init__.py               | 1 +
 py/_builtin.py               | 9 +++++++++
 testing/root/test_builtin.py | 4 ++++
 4 files changed, 15 insertions(+)

diff --git a/CHANGELOG b/CHANGELOG
index 395100378..2e5499610 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -11,6 +11,7 @@ Changes between 1.3.4 and 1.4.0.dev0
 - major refactoring of internal collection handling
 - majorly reduce py.test core code, shift function/python testing to own plugin
 - fix issue88 (finding custom test nodes from command line arg)
+- introduce py.builtin.any()
 
 Changes between 1.3.3 and 1.3.4
 ==================================================
diff --git a/py/__init__.py b/py/__init__.py
index 4a55d189d..36a565c91 100644
--- a/py/__init__.py
+++ b/py/__init__.py
@@ -102,6 +102,7 @@ py.apipkg.initpkg(__name__, dict(
         'enumerate'      : '._builtin:enumerate',
         'reversed'       : '._builtin:reversed',
         'sorted'         : '._builtin:sorted',
+        'any'            : '._builtin:any',
         'set'            : '._builtin:set',
         'frozenset'      : '._builtin:frozenset',
         'BaseException'  : '._builtin:BaseException',
diff --git a/py/_builtin.py b/py/_builtin.py
index a356db044..336a2034a 100644
--- a/py/_builtin.py
+++ b/py/_builtin.py
@@ -35,6 +35,15 @@ except NameError:
         def __length_hint__(self):
             return self.remaining
 
+try:
+    any = any
+except NameError:
+    def any(iterable):
+        for x in iterable:
+            if x:
+                return True
+        return False
+
 try:
     sorted = sorted
 except NameError:
diff --git a/testing/root/test_builtin.py b/testing/root/test_builtin.py
index bf659122f..f3c165c41 100644
--- a/testing/root/test_builtin.py
+++ b/testing/root/test_builtin.py
@@ -8,6 +8,10 @@ def test_enumerate():
     for i,x in enumerate(l):
         assert i == x
 
+def test_any():
+    assert not py.builtin.any([0,False, None])
+    assert py.builtin.any([0,False, None,1])
+
 def test_BaseException():
     assert issubclass(IndexError, py.builtin.BaseException)
     assert issubclass(Exception, py.builtin.BaseException)