Add an Execute() method.

3 files changed, 24 insertions, 0 deletions

diff --git a/src/engine/SCons/Environment.py b/src/engine/SCons/Environment.py
index da455bc..ca25021 100644
--- a/src/engine/SCons/Environment.py
+++ b/src/engine/SCons/Environment.py
@@ -920,6 +920,12 @@ class Base:
     def Environment(self, **kw):
         return apply(SCons.Environment.Environment, [], self.subst_kw(kw))
 
+    def Execute(self, action, *args, **kw):
+        """Directly execute an action through an Environment
+        """
+        action = apply(self.Action, (action,) + args, kw)
+        return action([], [], self)
+
     def File(self, name, *args, **kw):
         """
         """
diff --git a/src/engine/SCons/EnvironmentTests.py b/src/engine/SCons/EnvironmentTests.py
index d450075..ca0b458 100644
--- a/src/engine/SCons/EnvironmentTests.py
+++ b/src/engine/SCons/EnvironmentTests.py
@@ -1757,6 +1757,21 @@ class EnvironmentTestCase(unittest.TestCase):
         assert e2['X'] == 'xxx', e2['X']
         assert e2['Y'] == 'yyy', e2['Y']
 
+    def test_Execute(self):
+        """Test the Execute() method"""
+
+        class MyAction:
+            def __init__(self, *args, **kw):
+                self.args = args
+            def __call__(self, target, source, env):
+                return "%s executed" % self.args
+
+        env = Environment()
+        env.Action = MyAction
+
+        result = env.Execute("foo")
+        assert result == "foo executed", result
+
     def test_File(self):
         """Test the File() method"""
         class MyFS:
diff --git a/src/engine/SCons/Script/SConscript.py b/src/engine/SCons/Script/SConscript.py
index 2fa1510..d6e40fd 100644
--- a/src/engine/SCons/Script/SConscript.py
+++ b/src/engine/SCons/Script/SConscript.py
@@ -569,6 +569,8 @@ def get_DefaultEnvironmentProxy():
             def subst_kw(self, kw, raw=0, target=None, source=None):
                 return kw
             def subst_list(self, string, raw=0, target=None, source=None):
+                if not SCons.Util.is_List(string):
+                    string = [[string]]
                 return string
         default_env = SCons.Defaults.DefaultEnvironment()
         _DefaultEnvironmentProxy = EnvironmentProxy(default_env)
@@ -619,6 +621,7 @@ GlobalDefaultEnvironmentFunctions = [
     'Command',
     'Depends',
     'Dir',
+    'Execute',
     'File',
     'FindFile',
     'GetBuildPath',