Merge branch 'release/3.0.0-1'3.0.0-1

1 files changed, 26 insertions, 13 deletions

diff --git a/engine/SCons/SConsign.py b/engine/SCons/SConsign.py
index 6fb018b..9d2f69e 100644
--- a/engine/SCons/SConsign.py
+++ b/engine/SCons/SConsign.py
@@ -5,7 +5,7 @@ Writing and reading information to the .sconsign file or files.
 """
 
 #
-# Copyright (c) 2001 - 2016 The SCons Foundation
+# Copyright (c) 2001 - 2017 The SCons Foundation
 #
 # Permission is hereby granted, free of charge, to any person obtaining
 # a copy of this software and associated documentation files (the
@@ -27,17 +27,21 @@ 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 rel_2.5.1:3735:9dc6cee5c168 2016/11/03 14:02:02 bdbaddog"
+from __future__ import print_function
+
+__revision__ = "src/engine/SCons/SConsign.py rel_3.0.0:4395:8972f6a2f699 2017/09/18 12:59:24 bdbaddog"
 
 import SCons.compat
 
 import os
-# compat layer imports "cPickle" for us if it's available.
 import pickle
 
 import SCons.dblite
 import SCons.Warnings
 
+from SCons.compat import PICKLE_PROTOCOL
+
+
 def corrupt_dblite_warning(filename):
     SCons.Warnings.warn(SCons.Warnings.CorruptSConsignWarning,
                         "Ignoring corrupt .sconsign file: %s"%filename)
@@ -45,7 +49,7 @@ def corrupt_dblite_warning(filename):
 SCons.dblite.ignore_corrupt_dbfiles = 1
 SCons.dblite.corruption_warning = corrupt_dblite_warning
 
-#XXX Get rid of the global array so this becomes re-entrant.
+# XXX Get rid of the global array so this becomes re-entrant.
 sig_files = []
 
 # Info for the database SConsign implementation (now the default):
@@ -59,6 +63,7 @@ DB_Module = SCons.dblite
 DB_Name = ".sconsign"
 DB_sync_list = []
 
+
 def Get_DataBase(dir):
     global DataBase, DB_Module, DB_Name
     top = dir.fs.Top
@@ -84,9 +89,10 @@ def Get_DataBase(dir):
         DB_sync_list.append(db)
         return db, "c"
     except TypeError:
-        print "DataBase =", DataBase
+        print("DataBase =", DataBase)
         raise
 
+
 def Reset():
     """Reset global state.  Used by unit tests that end up using
     SConsign multiple times to get a clean slate for each test."""
@@ -96,6 +102,7 @@ def Reset():
 
 normcase = os.path.normcase
 
+
 def write():
     global sig_files
     for sig_file in sig_files:
@@ -114,6 +121,7 @@ def write():
         else:
             closemethod()
 
+
 class SConsignEntry(object):
     """
     Wrapper class for the generic entry in a .sconsign file.
@@ -124,16 +132,16 @@ class SConsignEntry(object):
     """
     __slots__ = ("binfo", "ninfo", "__weakref__")
     current_version_id = 2
-    
+
     def __init__(self):
         # Create an object attribute from the class attribute so it ends up
         # in the pickled data in the .sconsign file.
         #_version_id = self.current_version_id
         pass
-    
+
     def convert_to_sconsign(self):
         self.binfo.convert_to_sconsign()
-        
+
     def convert_from_sconsign(self, dir, name):
         self.binfo.convert_from_sconsign(dir, name)
 
@@ -155,7 +163,8 @@ class SConsignEntry(object):
         for key, value in state.items():
             if key not in ('_version_id','__weakref__'):
                 setattr(self, key, value)
-        
+
+
 class Base(object):
     """
     This is the controlling class for the signatures for the collection of
@@ -210,6 +219,7 @@ class Base(object):
             self.entries[key] = entry
         self.to_be_merged = {}
 
+
 class DB(Base):
     """
     A Base subclass that reads and writes signature information
@@ -239,7 +249,7 @@ class DB(Base):
                     raise TypeError
             except KeyboardInterrupt:
                 raise
-            except Exception, e:
+            except Exception as e:
                 SCons.Warnings.warn(SCons.Warnings.CorruptSConsignWarning,
                                     "Ignoring corrupt sconsign entry : %s (%s)\n"%(self.dir.get_tpath(), e))
             for key, entry in self.entries.items():
@@ -271,7 +281,7 @@ class DB(Base):
         path = normcase(self.dir.get_internal_path())
         for key, entry in self.entries.items():
             entry.convert_to_sconsign()
-        db[path] = pickle.dumps(self.entries, 1)
+        db[path] = pickle.dumps(self.entries, PICKLE_PROTOCOL)
 
         if sync:
             try:
@@ -282,6 +292,7 @@ class DB(Base):
             else:
                 syncmethod()
 
+
 class Dir(Base):
     def __init__(self, fp=None, dir=None):
         """
@@ -301,6 +312,7 @@ class Dir(Base):
             for key, entry in self.entries.items():
                 entry.convert_from_sconsign(dir, key)
 
+
 class DirFile(Dir):
     """
     Encapsulates reading and writing a per-directory .sconsign file.
@@ -359,12 +371,12 @@ class DirFile(Dir):
                 return
         for key, entry in self.entries.items():
             entry.convert_to_sconsign()
-        pickle.dump(self.entries, file, 1)
+        pickle.dump(self.entries, file, PICKLE_PROTOCOL)
         file.close()
         if fname != self.sconsign:
             try:
                 mode = os.stat(self.sconsign)[0]
-                os.chmod(self.sconsign, 0666)
+                os.chmod(self.sconsign, 0o666)
                 os.unlink(self.sconsign)
             except (IOError, OSError):
                 # Try to carry on in the face of either OSError
@@ -391,6 +403,7 @@ class DirFile(Dir):
 
 ForDirectory = DB
 
+
 def File(name, dbm_module=None):
     """
     Arrange for all signatures to be stored in a global .sconsign.db*