Eliminate multiple calls to os.stat() to fetch file info.

2 files changed, 11 insertions, 11 deletions

diff --git a/src/engine/SCons/Script/Main.py b/src/engine/SCons/Script/Main.py
index fd2a914..7dcb987 100644
--- a/src/engine/SCons/Script/Main.py
+++ b/src/engine/SCons/Script/Main.py
@@ -191,16 +191,17 @@ class BuildTask(SCons.Taskmaster.Task):
 class CleanTask(SCons.Taskmaster.Task):
     """An SCons clean task."""
     def show(self):
-        if (self.targets[0].has_builder() or self.targets[0].side_effect) \
-           and not os.path.isdir(str(self.targets[0])):
-            display("Removed " + str(self.targets[0]))
-        if SCons.Environment.CleanTargets.has_key(self.targets[0]):
-            files = SCons.Environment.CleanTargets[self.targets[0]]
+        target = self.targets[0]
+        if (target.has_builder() or target.side_effect) and not target.isdir():
+            display("Removed " + str(target))
+        if SCons.Environment.CleanTargets.has_key(target):
+            files = SCons.Environment.CleanTargets[target]
             for f in files:
                 SCons.Util.fs_delete(str(f), 0)
 
     def remove(self):
-        if self.targets[0].has_builder() or self.targets[0].side_effect:
+        target = self.targets[0]
+        if target.has_builder() or target.side_effect:
             for t in self.targets:
                 try:
                     removed = t.remove()
@@ -209,8 +210,8 @@ class CleanTask(SCons.Taskmaster.Task):
                 else:
                     if removed:
                         display("Removed " + str(t))
-        if SCons.Environment.CleanTargets.has_key(self.targets[0]):
-            files = SCons.Environment.CleanTargets[self.targets[0]]
+        if SCons.Environment.CleanTargets.has_key(target):
+            files = SCons.Environment.CleanTargets[target]
             for f in files:
                 SCons.Util.fs_delete(str(f))
 
diff --git a/src/engine/SCons/Script/SConscript.py b/src/engine/SCons/Script/SConscript.py
index 7ca9993..af9d492 100644
--- a/src/engine/SCons/Script/SConscript.py
+++ b/src/engine/SCons/Script/SConscript.py
@@ -184,9 +184,8 @@ def _SConscript(fs, *files, **kw):
                     # during the actual build phase.
                     f.build()
                     f.builder_set(None)
-                    s = str(f)
-                    if os.path.exists(s):
-                        _file_ = open(s, "r")
+                    if f.exists():
+                        _file_ = open(str(f), "r")
                 if _file_:
                     # Chdir to the SConscript directory.  Use a path
                     # name relative to the SConstruct file so that if