Merge pull request #5 from ginkgobioworks/python3-xrange-fix

Import xrange for python3

Author: myw

pychemy/peptides.py

@@ -1,6 +1,9 @@
+import re
+
+from six.moves import xrange
+
 from pychemy.amino_acids import AMINO_ACIDS, LOSSES
 from pychemy.molmass import Formula
-import re
 
 
 # Retreives first amino acid from peptide sequence based on those available in AMINO_ACIDS

setup.py

@@ -24,7 +24,7 @@
     'Natural Language :: English',
     'Operating System :: OS Independent',
     'Programming Language :: Python :: 2.7',
-    'Programming Language :: Python :: 3.4',
+    'Programming Language :: Python :: 3.5',
     'Topic :: Scientific/Engineering :: Artificial Intelligence',
     'Topic :: Scientific/Engineering :: Artificial Life',
     'Topic :: Scientific/Engineering :: Bio-Informatics',
@@ -34,14 +34,15 @@
     'Topic :: Scientific/Engineering :: Visualization',
     'Topic :: Software Development :: Libraries :: Python Modules',
   ],
+  python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4',
 
   packages=['pychemy'],
   include_package_data=True,
   zip_safe=True,
 
   install_requires=[
     'matplotlib',
-    'networkx',
+    'networkx~=1.0',
     'numpy',
     'openbabel',
   ],

tox.ini

@@ -5,6 +5,7 @@ envlist = py2, py3
 setenv =
   PYTHONHASHSEED=1125308275
   PYTHONPATH = {toxinidir}:{toxinidir}/pychemy:{toxinidir}/tests
+sitepackages = True
 commands = python setup.py nosetests
 deps =
   nose