2to3: Apply print fixer.

Add `print_function` to all `from __future__ import ...` statements
and use the python3 print function syntax everywhere.

Closes numpy#3078.

Author: charris

doc/cdoc/numpyfilter.py

@@ -6,7 +6,7 @@
 Also, add Doxygen /** and /**< syntax automatically where appropriate.
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import sys
 import re

doc/cython/run_test.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 from numpyx import test
 test()

doc/cython/setup.py

@@ -5,7 +5,7 @@
 http://cython.org.
 
 """
-from __future__ import division
+from __future__ import division, print_function
 
 from distutils.core import setup
 from distutils.extension import Extension

doc/example.py

@@ -8,7 +8,7 @@
 a line by itself, preferably preceeded by a blank line.
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import os # standard library imports first
 

doc/newdtype_example/example.py

@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import floatint.floatint as ff
 import numpy as np
@@ -12,7 +12,7 @@
 
 # Now, the elements will be the scalar type associated
 #  with the ndarray.
-print g[0]
-print type(g[1])
+print(g[0])
+print(type(g[1]))
 
 # Now, you need to register ufuncs and more arrfuncs to do useful things...

doc/newdtype_example/floatint/__init__.py

@@ -1,3 +1,3 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 

doc/newdtype_example/setup.py

@@ -1,4 +1,4 @@
-from __future__ import division
+from __future__ import division, print_function
 
 from numpy.distutils.core import setup
 

doc/numpybook/comparison/ctypes/filter.py

@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 __all__ = ['filter2d']
 

doc/numpybook/comparison/ctypes/interface.py

@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 __all__ = ['add', 'filter2d']
 

doc/numpybook/comparison/pyrex/setup.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-from __future__ import division
+from __future__ import division, print_function
 
 from distutils.core import setup
 from distutils.extension import Extension

doc/numpybook/comparison/timing.py

@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import timeit
 
@@ -54,9 +54,9 @@
 for kind in ['f2py']:#['ctypes', 'pyrex', 'weave', 'f2py']:
     res[kind] = []
     sys.path = ['/Users/oliphant/numpybook/%s' % (kind,)] + path
-    print sys.path
+    print(sys.path)
     for n in N:
-        print "%s - %d" % (kind, n)
+        print("%s - %d" % (kind, n))
         t = timeit.Timer(eval('%s_run'%kind), eval('%s_pre %% (%d,%d)'%(kind,n,n)))
         mytime = min(t.repeat(3,100))
         res[kind].append(mytime)

doc/numpybook/comparison/weave/filter.py

@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 from scipy import weave, zeros_like
 

doc/numpybook/comparison/weave/inline.py

@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 from scipy import weave
 from numpy import rand, zeros_like
@@ -40,8 +40,8 @@ def arr(a):
     return b
 
 a = [None]*10
-print example1(a)
-print a
+print(example1(a))
+print(a)
 
 a = rand(512,512)
 b = arr(a)

doc/numpybook/runcode.py

@@ -14,7 +14,7 @@
   -n name of code section  (default MyCode)
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import sys
 import optparse
@@ -25,8 +25,8 @@
 newre = re.compile(r"\\begin_inset Note.*PYNEW\s+\\end_inset", re.DOTALL)
 
 def getoutput(tstr, dic):
-    print "\n\nRunning..."
-    print tstr,
+    print("\n\nRunning...")
+    print(tstr, end=' ')
     tempstr = io.StringIO()
     sys.stdout = tempstr
     code = compile(tstr, '<input>', 'exec')
@@ -44,8 +44,8 @@ def getoutput(tstr, dic):
     else:
         res = tempstr.getvalue() + '\n' + repr(res)
     if res != '':
-        print "\nOutput is"
-        print res,
+        print("\nOutput is")
+        print(res, end=' ')
     return res
 
 # now find the code in the code segment
@@ -90,7 +90,7 @@ def runpycode(lyxstr, name='MyCode'):
         num += 1
 
     if num == 0:
-        print "Nothing found for %s" % name
+        print("Nothing found for %s" % name)
         return lyxstr
 
     start = 0
@@ -141,7 +141,7 @@ def main(args):
     fid = file(args[0])
     str = fid.read()
     fid.close()
-    print "Processing %s" % options.name
+    print("Processing %s" % options.name)
     newstr = runpycode(str, options.name)
     fid = file(args[0],'w')
     fid.write(newstr)

doc/postprocess.py

@@ -6,7 +6,7 @@
 MODE is either 'html' or 'tex'.
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import re, optparse
 

doc/pyrex/run_test.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 from numpyx import test
 test()

doc/pyrex/setup.py

@@ -12,7 +12,7 @@
 http://www.scipy.org/Cookbook/ArrayStruct_and_Pyrex
 
 """
-from __future__ import division
+from __future__ import division, print_function
 
 from distutils.core import setup
 from distutils.extension import Extension

doc/source/conf.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import sys, os, re
 

doc/sphinxext/numpydoc/__init__.py

@@ -1,3 +1,3 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 from .numpydoc import setup

doc/sphinxext/numpydoc/comment_eater.py

@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import sys
 if sys.version_info[0] >= 3:

doc/sphinxext/numpydoc/compiler_unparse.py

@@ -10,7 +10,7 @@
     fixme: We may want to move to using _ast trees because the compiler for
            them is about 6 times faster than compiler.compile.
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import sys
 from compiler.ast import Const, Name, Tuple, Div, Mul, Sub, Add

doc/sphinxext/numpydoc/docscrape.py

@@ -1,20 +1,15 @@
 """Extract reference documentation from the NumPy source tree.
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
-import sys
 import inspect
 import textwrap
 import re
 import pydoc
 from warnings import warn
 import collections
 
-if sys.version_info[0] >= 3:
-    from io import StringIO
-else:
-    from io import StringIO
 
 class Reader(object):
     """A line-based string reader.

doc/sphinxext/numpydoc/docscrape_sphinx.py

@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import re, inspect, textwrap, pydoc
 import sphinx

doc/sphinxext/numpydoc/linkcode.py

@@ -9,7 +9,7 @@
     :license: BSD, see LICENSE for details.
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import warnings
 import collections

doc/sphinxext/numpydoc/numpydoc.py

@@ -15,7 +15,7 @@
 .. [1] https://github.com/numpy/numpy/blob/master/doc/HOWTO_DOCUMENT.rst.txt
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import sphinx
 import collections

doc/sphinxext/numpydoc/phantom_import.py

@@ -14,7 +14,7 @@
 .. [1] http://code.google.com/p/pydocweb
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import imp, sys, compiler, types, os, inspect, re
 

doc/sphinxext/numpydoc/plot_directive.py

@@ -74,7 +74,7 @@
   to make them appear side-by-side, or in floats.
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import sys, os, glob, shutil, imp, warnings, re, textwrap, traceback
 import sphinx

doc/sphinxext/numpydoc/tests/test_docscrape.py

@@ -1,5 +1,5 @@
 # -*- encoding:utf-8 -*-
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import sys, textwrap
 

doc/sphinxext/numpydoc/tests/test_linkcode.py

@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import numpydoc.linkcode
 

doc/sphinxext/numpydoc/tests/test_phantom_import.py

@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import numpydoc.phantom_import
 

doc/sphinxext/numpydoc/tests/test_plot_directive.py

@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import numpydoc.plot_directive
 

doc/sphinxext/numpydoc/tests/test_traitsdoc.py

@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import numpydoc.traitsdoc
 

doc/sphinxext/numpydoc/traitsdoc.py

@@ -13,7 +13,7 @@
 .. [2] http://code.enthought.com/projects/traits/
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import inspect
 import os

doc/sphinxext/setup.py

@@ -1,4 +1,4 @@
-from __future__ import division
+from __future__ import division, print_function
 
 import setuptools
 from distutils.core import setup

doc/summarize.py

@@ -5,7 +5,7 @@
 Show a summary about which Numpy functions are documented and which are not.
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import os, glob, re, sys, inspect, optparse
 import collections
@@ -78,22 +78,22 @@ def main():
         for (filename, section, keyword, toctree) in locations:
             in_sections.setdefault((filename, section, keyword), []).append(name)
 
-    print "Documented"
-    print "==========\n"
+    print("Documented")
+    print("==========\n")
 
     last_filename = None
     for (filename, section, keyword), names in sorted(in_sections.items()):
         if filename != last_filename:
-            print "--- %s\n" % filename
+            print("--- %s\n" % filename)
         last_filename = filename
-        print " ** ", section
-        print format_in_columns(sorted(names), options.cols)
-        print "\n"
-
-    print ""
-    print "Undocumented"
-    print "============\n"
-    print format_in_columns(sorted(undocumented.keys()), options.cols)
+        print(" ** ", section)
+        print(format_in_columns(sorted(names), options.cols))
+        print("\n")
+
+    print("")
+    print("Undocumented")
+    print("============\n")
+    print(format_in_columns(sorted(undocumented.keys()), options.cols))
 
 def check_numpy():
     documented = get_documented(glob.glob(SOURCE_DIR + '/*.rst'))

doc/swig/test/setup.py

@@ -1,5 +1,5 @@
 #! /usr/bin/env python
-from __future__ import division
+from __future__ import division, print_function
 
 # System imports
 from distutils.core import *