Make setup/setupegg install isympy to isympy3

Author: flacjacket

setup.py

@@ -29,12 +29,15 @@
 
 from distutils.core import setup
 from distutils.core import Command
+from distutils.command.build_scripts import build_scripts
 import sys
 import subprocess
 import os
 
 import sympy
 
+PY3 = sys.version_info[0] > 2
+
 # Make sure I have the right Python version.
 if sys.version_info[:2] < (2, 6):
     print("SymPy requires Python 2.6 or newer. Python %d.%d detected" % sys.version_info[:2])
@@ -205,6 +208,32 @@ def run(self):
         from sympy.utilities import benchmarking
         benchmarking.main(['sympy'])
 
+cmdclass = {'test': test_sympy,
+            'bench': run_benchmarks,
+            'clean': clean,
+            'audit': audit}
+if PY3:
+    class build_scripts_python3_suffix(build_scripts):
+        def copy_scripts(self):
+            outfiles, updated_files = build_scripts.copy_scripts(self)
+            for outfile in outfiles:
+                _, copied = self.copy_file(outfile, outfile + "3")
+                if not self.dry_run and copied:
+                    try:
+                        os.unlink(outfile)
+                    except OSError:
+                        pass
+            self.scripts = [outfile + "3" for outfile in outfiles]
+            return outfiles, updated_files
+    cmdclass['build_scripts'] = build_scripts_python3_suffix
+
+if 'setuptools' in globals() and PY3:
+    from setuptools.command.develop import develop
+    class develop_python3_suffix(develop):
+        def install_script(self, dist, script_name, script_text, dev_path=None):
+            develop.install_script(self, dist, script_name + "3", script_text, dev_path)
+
+    cmdclass['develop'] = develop_python3_suffix
 
 # Check that this list is uptodate against the result of the command:
 # $ python bin/generate_test_list.py
@@ -273,25 +302,23 @@ def run(self):
 as simple as possible in order to be comprehensible and easily extensible.
 SymPy is written entirely in Python and does not require any external libraries.'''
 
-setup(
-    name='sympy',
-    version=sympy.__version__,
-    description='Computer algebra system (CAS) in Python',
-    long_description=long_description,
-    author='SymPy development team',
-    author_email='sympy@googlegroups.com',
-    license='BSD',
-    keywords="Math CAS",
-    url='http://code.google.com/p/sympy',
-    packages=['sympy'] + modules + tests,
-    scripts=['bin/isympy'],
-    ext_modules=[],
-    package_data={ 'sympy.utilities.mathml': ['data/*.xsl'] },
-    data_files=[('share/man/man1', ['doc/man/isympy.1'])],
-    cmdclass={'test': test_sympy,
-              'bench': run_benchmarks,
-              'clean': clean,
-              'audit': audit,
-                     },
-    classifiers=classifiers,
-)
+setup_args = {
+    "name": 'sympy',
+    "version": sympy.__version__,
+    "description": 'Computer algebra system (CAS) in Python',
+    "long_description": long_description,
+    "author": 'SymPy development team',
+    "author_email": 'sympy@googlegroups.com',
+    "license": 'BSD',
+    "keywords": "Math CAS",
+    "url": 'http://code.google.com/p/sympy',
+    "packages": ['sympy'] + modules + tests,
+    "scripts": ['bin/isympy'],
+    "ext_modules": [],
+    "package_data": { 'sympy.utilities.mathml': ['data/*.xsl'] },
+    "data_files": [('share/man/man1', ['doc/man/isympy.1'])],
+    "cmdclass": cmdclass,
+    "classifiers": classifiers,
+}
+
+setup(**setup_args)

setupegg.py

@@ -1,3 +1,3 @@
 import setuptools
 
-execfile('setup.py')
+exec(open('setup.py').read())

sympy/utilities/compilef.py

@@ -310,7 +310,7 @@ def frange(*args, **kwargs):
     >>> frange('lambda x: sqrt(x)', 1, 4) # doctest: +ELLIPSIS
     <__main__.c_double_Array_3 object at ...>
     >>> for i in _:
-    ...     print i
+    ...     print(i)
     ...
     1.0
     1.41421356237
@@ -544,8 +544,8 @@ def fbenchmark(f, var=[Symbol('x')]):
         global cf, pf, psyf
         start = time()
         cf = clambdify(var, f)
-        print 'compile time (including sympy overhead): %f s' % (
-            time() - start)
+        print('compile time (including sympy overhead): %f s' % (
+            time() - start))
         pf = lambdify(var, f, 'math')
         psyf = None
         psyco = import_module('psyco')
@@ -560,14 +560,14 @@ def fbenchmark(f, var=[Symbol('x')]):
             t3 = Timer(code, 'from __main__ import psyf as f')
         else:
             t3 = None
-        print 'for x = (0, 1, 2, ..., 999)/1000'
-        print '20 times in 3 runs'
-        print 'compiled:      %.4f %.4f %.4f' % tuple(t1.repeat(3, 20))
-        print 'Python lambda: %.4f %.4f %.4f' % tuple(t2.repeat(3, 20))
+        print('for x = (0, 1, 2, ..., 999)/1000')
+        print('20 times in 3 runs')
+        print('compiled:      %.4f %.4f %.4f' % tuple(t1.repeat(3, 20)))
+        print('Python lambda: %.4f %.4f %.4f' % tuple(t2.repeat(3, 20)))
         if t3:
-            print 'Psyco lambda:  %.4f %.4f %.4f' % tuple(t3.repeat(3, 20))
+            print('Psyco lambda:  %.4f %.4f %.4f' % tuple(t3.repeat(3, 20)))
 
-    print 'big function:'
+    print('big function:')
     from sympy import _exp, _sin, _cos, pi, lambdify
     x = Symbol('x')
 ##    f1 = diff(_exp(x)**2 - _sin(x)**pi, x) \
@@ -577,33 +577,33 @@ def fbenchmark(f, var=[Symbol('x')]):
         + 4*(10*pi**3*x**2 + 10*pi**2*x**3 + 5*pi*x**4 + 5*x*pi**4 + pi**5
         + x**5)*_exp(123 + x + 2*x**4 - x**5) - 2*x**3 - 3*x**7
     fbenchmark(f1)
-    print
-    print 'simple function:'
+    print()
+    print('simple function:')
     y = Symbol('y')
     f2 = sqrt(x*y) + x*5
     fbenchmark(f2, [x, y])
     times = 100000
     fstr = '_exp(_sin(_exp(-x**2)) + sqrt(pi)*_cos(x**5/(x**3-x**2+pi*x)))'
     print
-    print 'frange with f(x) ='
-    print fstr
-    print 'for x=1, ..., %i' % times
-    print 'in 3 runs including full compile time'
+    print('frange with f(x) =')
+    print(fstr)
+    print('for x=1, ..., %i' % times)
+    print('in 3 runs including full compile time')
     t4 = Timer("frange('lambda x: %s', 0, %i)" % (fstr, times),
                'from __main__ import frange')
 
     numpy = import_module('numpy')
 
-    print 'frange:        %.4f %.4f %.4f' % tuple(t4.repeat(3, 1))
+    print('frange:        %.4f %.4f %.4f' % tuple(t4.repeat(3, 1)))
     if numpy:
         t5 = Timer('x = arange(%i); result = %s' % (times, fstr),
                    'from numpy import arange, sqrt, exp, sin, cos, exp, pi')
-        print 'numpy:         %.4f %.4f %.4f' % tuple(t5.repeat(3, 1))
+        print('numpy:         %.4f %.4f %.4f' % tuple(t5.repeat(3, 1)))
     # TODO: integration into fbenchmark
 
 if __name__ == '__main__':
     if __debug__:
-        print 'Running tests...',
+        print('Running tests...',)
         numpy = import_module('numpy')
         test_cexpr()
         test_clambdify()
@@ -614,7 +614,7 @@ def fbenchmark(f, var=[Symbol('x')]):
         test_use_cse()
         import doctest
         doctest.testmod()
-        print 'OK'
+        print('OK')
         print
-    print 'Running benchmark...'
+    print('Running benchmark...')
     benchmark()