From 340d57481935334465037d97c0db1555b70c0eb1 Mon Sep 17 00:00:00 2001
From: Luca Falavigna <dktrkranz@debian.org>
Date: Tue, 15 Jun 2010 09:21:32 +0000
Subject: Imported Upstream version 2.0.0

---
 engine/SCons/SConsign.py | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

(limited to 'engine/SCons/SConsign.py')

diff --git a/engine/SCons/SConsign.py b/engine/SCons/SConsign.py
index 8865c3d..25f8486 100644
--- a/engine/SCons/SConsign.py
+++ b/engine/SCons/SConsign.py
@@ -27,11 +27,13 @@ Writing and reading information to the .sconsign file or files.
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #
 
-__revision__ = "src/engine/SCons/SConsign.py 4720 2010/03/24 03:14:11 jars"
+__revision__ = "src/engine/SCons/SConsign.py 5023 2010/06/14 22:05:46 scons"
+
+import SCons.compat
 
-import cPickle
 import os
-import os.path
+# compat layer imports "cPickle" for us if it's available.
+import pickle
 
 import SCons.dblite
 import SCons.Warnings
@@ -106,7 +108,7 @@ def write():
         else:
             syncmethod()
 
-class SConsignEntry:
+class SConsignEntry(object):
     """
     Wrapper class for the generic entry in a .sconsign file.
     The Node subclass populates it with attributes as it pleases.
@@ -124,7 +126,7 @@ class SConsignEntry:
     def convert_from_sconsign(self, dir, name):
         self.binfo.convert_from_sconsign(dir, name)
 
-class Base:
+class Base(object):
     """
     This is the controlling class for the signatures for the collection of
     entries associated with a specific directory.  The actual directory
@@ -201,8 +203,8 @@ class DB(Base):
             pass
         else:
             try:
-                self.entries = cPickle.loads(rawentries)
-                if type(self.entries) is not type({}):
+                self.entries = pickle.loads(rawentries)
+                if not isinstance(self.entries, dict):
                     self.entries = {}
                     raise TypeError
             except KeyboardInterrupt:
@@ -239,7 +241,7 @@ class DB(Base):
         path = normcase(self.dir.path)
         for key, entry in self.entries.items():
             entry.convert_to_sconsign()
-        db[path] = cPickle.dumps(self.entries, 1)
+        db[path] = pickle.dumps(self.entries, 1)
 
         if sync:
             try:
@@ -260,8 +262,8 @@ class Dir(Base):
         if not fp:
             return
 
-        self.entries = cPickle.load(fp)
-        if type(self.entries) is not type({}):
+        self.entries = pickle.load(fp)
+        if not isinstance(self.entries, dict):
             self.entries = {}
             raise TypeError
 
@@ -327,7 +329,7 @@ class DirFile(Dir):
                 return
         for key, entry in self.entries.items():
             entry.convert_to_sconsign()
-        cPickle.dump(self.entries, file, 1)
+        pickle.dump(self.entries, file, 1)
         file.close()
         if fname != self.sconsign:
             try:
-- 
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