Update upstream source from tag 'upstream/3.1.0'

Update to upstream version '3.1.0'
with Debian dir 248b875f378ce1bab3315f6ed2cecdf63a4cc3cc

2 files changed, 10 insertions, 19 deletions

diff --git a/engine/SCons/compat/__init__.py b/engine/SCons/compat/__init__.py
index 7846577..dcbd8e8 100644
--- a/engine/SCons/compat/__init__.py
+++ b/engine/SCons/compat/__init__.py
@@ -57,31 +57,22 @@ function defined below loads the module as the "real" name (without the
 rest of our code will find our pre-loaded compatibility module.
 """
 
-__revision__ = "src/engine/SCons/compat/__init__.py a56bbd8c09fb219ab8a9673330ffcd55279219d0 2019-03-26 23:16:31 bdeegan"
+__revision__ = "src/engine/SCons/compat/__init__.py e724ae812eb96f4858a132f5b8c769724744faf6 2019-07-21 00:04:47 bdeegan"
 
 import os
 import sys
-import imp  # Use the "imp" module to protect imports from fixers.
+import importlib
 
 PYPY = hasattr(sys, 'pypy_translation_info')
 
 
-def import_as(module, name):
-    """
-    Imports the specified module (from our local directory) as the
-    specified name, returning the loaded module object.
-    """
-    dir = os.path.split(__file__)[0]
-    return imp.load_module(name, *imp.find_module(module, [dir]))
-
-
 def rename_module(new, old):
     """
-    Attempts to import the old module and load it under the new name.
+    Attempt to import the old module and load it under the new name.
     Used for purely cosmetic name changes in Python 3.x.
     """
     try:
-        sys.modules[new] = imp.load_module(old, *imp.find_module(old))
+        sys.modules[new] = importlib.import_module(old)
         return True
     except ImportError:
         return False
@@ -122,28 +113,28 @@ except AttributeError:
     # intern into the sys package
     sys.intern = intern
 
-# Preparing for 3.x. UserDict, UserList, UserString are in
-# collections for 3.x, but standalone in 2.7.x
+# UserDict, UserList, UserString are in # collections for 3.x,
+# but standalone in 2.7.x. Monkey-patch into collections for 2.7.
 import collections
 
 try:
     collections.UserDict
 except AttributeError:
-    exec ('from UserDict import UserDict as _UserDict')
+    from UserDict import UserDict as _UserDict
     collections.UserDict = _UserDict
     del _UserDict
 
 try:
     collections.UserList
 except AttributeError:
-    exec ('from UserList import UserList as _UserList')
+    from UserList import UserList as _UserList
     collections.UserList = _UserList
     del _UserList
 
 try:
     collections.UserString
 except AttributeError:
-    exec ('from UserString import UserString as _UserString')
+    from UserString import UserString as _UserString
     collections.UserString = _UserString
     del _UserString
 
diff --git a/engine/SCons/compat/_scons_dbm.py b/engine/SCons/compat/_scons_dbm.py
index a57f105..ec5e261 100644
--- a/engine/SCons/compat/_scons_dbm.py
+++ b/engine/SCons/compat/_scons_dbm.py
@@ -30,7 +30,7 @@ that the whichdb.whichdb() implementstation in the various 2.X versions of
 Python won't blow up even if dbm wasn't compiled in.
 """
 
-__revision__ = "src/engine/SCons/compat/_scons_dbm.py a56bbd8c09fb219ab8a9673330ffcd55279219d0 2019-03-26 23:16:31 bdeegan"
+__revision__ = "src/engine/SCons/compat/_scons_dbm.py e724ae812eb96f4858a132f5b8c769724744faf6 2019-07-21 00:04:47 bdeegan"
 
 class error(Exception):
     pass