Python 3 support

.gitignore

@@ -0,0 +1,100 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*,cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# IPython Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# dotenv
+.env
+
+# virtualenv
+venv/
+ENV/
+
+# Spyder project settings
+.spyderproject
+
+# Rope project settings
+.ropeproject
+
+#2to3 files
+*.bak
+
+#patch outputs
+*.orig
+*.rej
+
+#vi & vim swaps
+*.swp
+*.swo

Makefile.py

@@ -60,7 +60,7 @@ def make(self):
                 # Don't (yet) support Python 3.
                 continue
             ver_str = "%s.%s" % ver
-            print "-- test with Python %s (%s)" % (ver_str, python)
+            print("-- test with Python %s (%s)" % (ver_str, python))
             assert ' ' not in python
             sh.run_in_dir("%s test.py" % python,
                           join(self.dir, "test"))
@@ -220,7 +220,7 @@ def make(self):
 
         path = join(self.dir, "TO""DO.txt")
         todos = re.compile("^- ", re.M).findall(open(path, 'r').read())
-        print "(plus %d TODOs from TO""DO.txt)" % len(todos)
+        print("(plus %d TODOs from TO""DO.txt)" % len(todos))
 
     def _dump_pattern_in_path(self, pattern, path):
         os.system("grep -nH '%s' '%s'" % (pattern, path))
@@ -372,7 +372,7 @@ def _paths_from_path_patterns(path_patterns, files=True, dirs="never",
     from os.path import basename, exists, isdir, join
     from glob import glob
 
-    assert not isinstance(path_patterns, basestring), \
+    assert not isinstance(path_patterns, str), \
         "'path_patterns' must be a sequence, not a string: %r" % path_patterns
     GLOB_CHARS = '*?['