control: tag -1 +patch

Hi,

Here's a patch.

I didn't try to be smart, just to get this done.

I have seen this package takes hours to build
on buildd so I'm not even trying on my old fanless
NUC knockoff.

Greetings
diff --git a/core/main/main.py.in b/core/main/main.py.in
index b8a52ca..11bc619 100644
--- a/core/main/main.py.in
+++ b/core/main/main.py.in
@@ -2,8 +2,11 @@
 # encoding: utf-8
 # syntax:python
 
-from __future__ import print_function
-from past.builtins import execfile
+def execfile(filename, myglobals=None, mylocals=None):
+    with open(filename, "rb") as fin:
+         source = fin.read()
+    code = compile(source, filename, "exec")
+    exec(code)
 
 import sys,os,os.path,time
 try:
diff --git a/core/main/yade-batch.in b/core/main/yade-batch.in
index 1d128ef..5b58cd6 100755
--- a/core/main/yade-batch.in
+++ b/core/main/yade-batch.in
@@ -4,12 +4,6 @@
 # vim: syntax=python
 # portions © 2008 Václav Šmilauer <eudo...@arcig.cz>
 
-from __future__ import print_function
-from future import standard_library
-standard_library.install_aliases()
-
-from builtins import range
-from builtins import object
 import os, sys, _thread, time, logging, pipes, socket, xmlrpc.client, re, shutil, random
 
 # Add search path for yade Python-modules
diff --git a/core/main/yade-oar.in b/core/main/yade-oar.in
index d96b60d..b8eb705 100644
--- a/core/main/yade-oar.in
+++ b/core/main/yade-oar.in
@@ -7,12 +7,6 @@
 # This script is to be used with OAR task scheduler. May be an example to use use with other task scheduler for clusters
 # Adapted from yade-batch
 
-from __future__ import print_function
-from future import standard_library
-standard_library.install_aliases()
-
-from builtins import range
-from builtins import object
 import os, sys, _thread, time, logging, pipes, socket, xmlrpc.client, re, shutil, random
 
 # Add search path for yade Python-modules
diff --git a/doc/sphinx/conf.py b/doc/sphinx/conf.py
index 001bc1a..548ed88 100644
--- a/doc/sphinx/conf.py
+++ b/doc/sphinx/conf.py
@@ -21,11 +21,6 @@
 ##
 ## http://docutils.sourceforge.net/docs/howto/rst-roles.html
 
-from __future__ import print_function
-from future import standard_library
-standard_library.install_aliases()
-
-from builtins import range
 import sys, os, re
 from docutils import nodes
 from sphinx import addnodes
diff --git a/doc/sphinx/ipython_directive.py b/doc/sphinx/ipython_directive.py
index 816d1bf..4cbcaee 100644
--- a/doc/sphinx/ipython_directive.py
+++ b/doc/sphinx/ipython_directive.py
@@ -51,18 +51,11 @@ Authors
 - Fernando Perez: refactoring, documentation, cleanups.
 - VáclavŠmilauer <eudoxos-AT-arcig.cz>: Prompt generatlizations.
 """
-from __future__ import print_function
-
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 
 # Stdlib
-from future import standard_library
-standard_library.install_aliases()
-
-from builtins import range
-from builtins import object
 import io
 import imp
 import os
diff --git a/doc/sphinx/ipython_directive012.py b/doc/sphinx/ipython_directive012.py
index c98ecd4..14e7cce 100644
--- a/doc/sphinx/ipython_directive012.py
+++ b/doc/sphinx/ipython_directive012.py
@@ -51,18 +51,11 @@ Authors
 - VáclavŠmilauer <eudoxos-AT-arcig.cz>: Prompt generalizations.
 - Skipper Seabold, refactoring, cleanups, pure python addition
 """
-from __future__ import print_function
-
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 
 # Stdlib
-from future import standard_library
-standard_library.install_aliases()
-
-from builtins import range
-from builtins import object
 import io
 import os
 import re
diff --git a/doc/sphinx/ipython_directive013.py b/doc/sphinx/ipython_directive013.py
index c606acd..8f68221 100644
--- a/doc/sphinx/ipython_directive013.py
+++ b/doc/sphinx/ipython_directive013.py
@@ -52,18 +52,11 @@ Authors
 - VáclavŠmilauer <eudoxos-AT-arcig.cz>: Prompt generalizations.
 - Skipper Seabold, refactoring, cleanups, pure python addition
 """
-from __future__ import print_function
-
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 
 # Stdlib
-from future import standard_library
-standard_library.install_aliases()
-
-from builtins import range
-from builtins import object
 import io
 import os
 import re
diff --git a/doc/sphinx/ipython_directive200.py b/doc/sphinx/ipython_directive200.py
index 55ef14d..bca2cf7 100644
--- a/doc/sphinx/ipython_directive200.py
+++ b/doc/sphinx/ipython_directive200.py
@@ -119,18 +119,11 @@ Authors
 - VáclavŠmilauer <eudoxos-AT-arcig.cz>: Prompt generalizations.
 - Skipper Seabold, refactoring, cleanups, pure python addition
 """
-from __future__ import print_function
-
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 
 # Stdlib
-from future import standard_library
-standard_library.install_aliases()
-
-from builtins import range
-from builtins import object
 import os
 import re
 import sys
diff --git a/doc/sphinx/ipython_directive500.py b/doc/sphinx/ipython_directive500.py
index 94afab1..4a521fe 100644
--- a/doc/sphinx/ipython_directive500.py
+++ b/doc/sphinx/ipython_directive500.py
@@ -119,18 +119,12 @@ Authors
 - VáclavŠmilauer <eudoxos-AT-arcig.cz>: Prompt generalizations.
 - Skipper Seabold, refactoring, cleanups, pure python addition
 """
-from __future__ import print_function
 
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 
 # Stdlib
-from future import standard_library
-standard_library.install_aliases()
-
-from builtins import range
-from builtins import object
 import atexit
 import os
 import re
diff --git a/doc/sphinx/tutorial/make-simulation-video.py b/doc/sphinx/tutorial/make-simulation-video.py
index b4d9aaa..ec21c1f 100644
--- a/doc/sphinx/tutorial/make-simulation-video.py
+++ b/doc/sphinx/tutorial/make-simulation-video.py
@@ -7,7 +7,12 @@
 #
 # plotting should be set up as usual
 
-from past.builtins import execfile
+def execfile(filename, myglobals=None, mylocals=None):
+    with open(filename, "rb") as fin:
+         source = fin.read()
+    code = compile(source, filename, "exec")
+    exec(code)
+
 import matplotlib
 matplotlib.use('Agg')  # headless backend, makes rendering plots after the simulation _much_ faster (and more reliable)
 
diff --git a/examples/capillaryLaplaceYoung/solveLaplace_uc.py b/examples/capillaryLaplaceYoung/solveLaplace_uc.py
index 5bbd41e..b48acd6 100644
--- a/examples/capillaryLaplaceYoung/solveLaplace_uc.py
+++ b/examples/capillaryLaplaceYoung/solveLaplace_uc.py
@@ -2,9 +2,12 @@
 
 # to import with yade/python/ipython solveLaplace_uc.py, or with execfile('solveLaplace_uc.py',globals()) once inside a yade/python/ipython session
 
-from past.builtins import execfile
+def execfile(filename, myglobals=None, mylocals=None):
+    with open(filename, "rb") as fin:
+         source = fin.read()
+    code = compile(source, filename, "exec")
+    exec(code)
 
-from builtins import range
 execfile('solveLiqBridge.py', globals())
 
 
diff --git a/examples/concrete/periodic.py b/examples/concrete/periodic.py
index 98df7c0..b4b3987 100644
--- a/examples/concrete/periodic.py
+++ b/examples/concrete/periodic.py
@@ -1,9 +1,4 @@
 # -*- encoding=utf-8 -*-
-from __future__ import division
-from __future__ import print_function
-
-from future import standard_library
-standard_library.install_aliases()
 from yade import plot, pack
 import time, sys, os, copy
 """
diff --git a/examples/concrete/uniax.py b/examples/concrete/uniax.py
index 1f67524..7d12c4b 100644
--- a/examples/concrete/uniax.py
+++ b/examples/concrete/uniax.py
@@ -1,9 +1,4 @@
 # -*- encoding=utf-8 -*-
-from __future__ import division
-from __future__ import print_function
-
-from future import standard_library
-standard_library.install_aliases()
 from yade import plot, pack, timing
 import time, sys, os, copy
 
diff --git a/examples/deformableelem/main.py b/examples/deformableelem/main.py
index 25a90b3..691d3d9 100644
--- a/examples/deformableelem/main.py
+++ b/examples/deformableelem/main.py
@@ -21,7 +21,12 @@
 #  MA 02110-1301, USA.
 #
 #
-from past.builtins import execfile
+def execfile(filename, myglobals=None, mylocals=None):
+    with open(filename, "rb") as fin:
+         source = fin.read()
+    code = compile(source, filename, "exec")
+    exec(code)
+
 import sys
 
 from yadeimport import *
diff --git a/examples/jointedCohesiveFrictionalPM/gravityBis.py b/examples/jointedCohesiveFrictionalPM/gravityBis.py
index 6445555..db421c1 100644
--- a/examples/jointedCohesiveFrictionalPM/gravityBis.py
+++ b/examples/jointedCohesiveFrictionalPM/gravityBis.py
@@ -5,8 +5,12 @@
 
 # definition of a predicate for use of randomDensePack() function
 
-from __future__ import print_function
-from past.builtins import execfile
+def execfile(filename, myglobals=None, mylocals=None):
+    with open(filename, "rb") as fin:
+         source = fin.read()
+    code = compile(source, filename, "exec")
+    exec(code)
+
 from yade import pack
 dimModele = 10.0
 pred = pack.inAlignedBox((0, 0, 0), (dimModele, dimModele, dimModele))
diff --git a/examples/jointedCohesiveFrictionalPM/testingJoint.py b/examples/jointedCohesiveFrictionalPM/testingJoint.py
index aa44867..f2e918c 100644
--- a/examples/jointedCohesiveFrictionalPM/testingJoint.py
+++ b/examples/jointedCohesiveFrictionalPM/testingJoint.py
@@ -4,9 +4,12 @@
 # jerome.dur...@3sr-grenoble.fr
 
 # Mechanical properties of rock matrix and rock joint :
-from __future__ import print_function
-from past.builtins import execfile
 
+def execfile(filename, myglobals=None, mylocals=None):
+    with open(filename, "rb") as fin:
+         source = fin.read()
+    code = compile(source, filename, "exec")
+    exec(code)
 
 def mat():
 	return JCFpmMat(
diff --git a/py/3rd-party/mtTkinter-0.4/mtTkinter.py b/py/3rd-party/mtTkinter-0.4/mtTkinter.py
index 6cbcc87..772bd6b 100644
--- a/py/3rd-party/mtTkinter-0.4/mtTkinter.py
+++ b/py/3rd-party/mtTkinter-0.4/mtTkinter.py
@@ -52,12 +52,6 @@ created.
 
 Author: Allen B. Taylor, a.b.tay...@gmail.com
 '''
-from __future__ import print_function
-
-from future import standard_library
-standard_library.install_aliases()
-
-from builtins import object
 from tkinter import *
 import threading
 import queue
diff --git a/py/__init__.py.in b/py/__init__.py.in
index ff974d9..fd148fb 100644
--- a/py/__init__.py.in
+++ b/py/__init__.py.in
@@ -11,10 +11,6 @@ It loads yade plugins and injects c++ class constructors to the __builtins__
 (that might change in the future, though) namespace, making them available
 everywhere.
 """
-from __future__ import print_function
-
-from future import standard_library
-standard_library.install_aliases()
 import ctypes,sys,os
 
 if os.getenv('OMPI_COMM_WORLD_RANK')==None: #else decrease verbosity
diff --git a/py/pack/pack.py b/py/pack/pack.py
index ed80ab4..8200ae9 100644
--- a/py/pack/pack.py
+++ b/py/pack/pack.py
@@ -14,13 +14,6 @@ For examples, see
 * :ysrc:`examples/gts-horse/gts-horse.py`
 * :ysrc:`examples/WireMatPM/wirepackings.py`
 """
-from __future__ import print_function
-
-from future import standard_library
-standard_library.install_aliases()
-from builtins import map
-
-from builtins import range
 import itertools, warnings
 from numpy import arange
 from math import sqrt
diff --git a/py/plot.py b/py/plot.py
index 6c74f68..d8c4694 100644
--- a/py/plot.py
+++ b/py/plot.py
@@ -4,14 +4,7 @@
 Module containing utility functions for plotting inside yade. See :ysrc:`examples/simple-scene/simple-scene-plot.py` or :ysrc:`examples/concrete/uniax.py` for example of usage.
 
 """
-from __future__ import print_function
-
 ## all exported names
-from future import standard_library
-standard_library.install_aliases()
-
-from builtins import range
-from builtins import object
 __all__ = [
         'data', 'plots', 'labels', 'live', 'liveInterval', 'setLiveForceAlwaysUpdate', 'autozoom', 'plot', 'reset', 'resetData', 'splitData', 'reverseData',
         'addData', 'addAutoData', 'saveGnuplot', 'saveDataTxt', 'savePlotSequence'
diff --git a/py/remote.py b/py/remote.py
index d645a23..4190abc 100644
--- a/py/remote.py
+++ b/py/remote.py
@@ -5,12 +5,6 @@ Remote connections to yade: authenticated python command-line over telnet and an
 
 These classes are used internally in gui/py/PythonUI_rc.py and are not intended for direct use.
 """
-from __future__ import print_function
-
-from future import standard_library
-standard_library.install_aliases()
-
-from builtins import object
 import socketserver, xmlrpc.client, socket
 import sys, time, os, math
 
diff --git a/py/utils.py b/py/utils.py
index c588852..40f9c86 100644
--- a/py/utils.py
+++ b/py/utils.py
@@ -7,13 +7,6 @@
 
 Devs: please DO NOT ADD more functions here, it is getting too crowded!
 """
-from __future__ import print_function
-
-from future import standard_library
-standard_library.install_aliases()
-
-from builtins import range
-from builtins import object
 import math, random, doctest, numpy
 from yade import *
 import yade.math
diff --git a/scripts/checks-and-tests/checks/checkList.py b/scripts/checks-and-tests/checks/checkList.py
index fa9152e..10e78a0 100644
--- a/scripts/checks-and-tests/checks/checkList.py
+++ b/scripts/checks-and-tests/checks/checkList.py
@@ -1,7 +1,11 @@
 # encoding: utf-8
 # 2011 © Bruno Chareyre <bruno.chare...@grenoble-inp.fr>
-from __future__ import print_function
-from past.builtins import execfile
+def execfile(filename, myglobals=None, mylocals=None):
+    with open(filename, "rb") as fin:
+         source = fin.read()
+    code = compile(source, filename, "exec")
+    exec(code)
+
 import yade
 import math
 import os

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