nose for python 3

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diff --git a/scripts/external_libs/nose-1.3.4/python3/nose/commands.py b/scripts/external_libs/nose-1.3.4/python3/nose/commands.py
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+"""
+nosetests setuptools command
+----------------------------
+
+The easiest way to run tests with nose is to use the `nosetests` setuptools
+command::
+
+  python setup.py nosetests
+
+This command has one *major* benefit over the standard `test` command: *all
+nose plugins are supported*.
+
+To configure the `nosetests` command, add a [nosetests] section to your
+setup.cfg. The [nosetests] section can contain any command line arguments that
+nosetests supports. The differences between issuing an option on the command
+line and adding it to setup.cfg are:
+
+* In setup.cfg, the -- prefix must be excluded
+* In setup.cfg, command line flags that take no arguments must be given an
+  argument flag (1, T or TRUE for active, 0, F or FALSE for inactive)
+
+Here's an example [nosetests] setup.cfg section::
+
+  [nosetests]
+  verbosity=1
+  detailed-errors=1
+  with-coverage=1
+  cover-package=nose
+  debug=nose.loader
+  pdb=1
+  pdb-failures=1
+
+If you commonly run nosetests with a large number of options, using
+the nosetests setuptools command and configuring with setup.cfg can
+make running your tests much less tedious. (Note that the same options
+and format supported in setup.cfg are supported in all other config
+files, and the nosetests script will also load config files.)
+
+Another reason to run tests with the command is that the command will
+install packages listed in your `tests_require`, as well as doing a
+complete build of your package before running tests. For packages with
+dependencies or that build C extensions, using the setuptools command
+can be more convenient than building by hand and running the nosetests
+script.
+
+Bootstrapping
+-------------
+
+If you are distributing your project and want users to be able to run tests
+without having to install nose themselves, add nose to the setup_requires
+section of your setup()::
+
+  setup(
+      # ...
+      setup_requires=['nose>=1.0']
+      )
+
+This will direct setuptools to download and activate nose during the setup
+process, making the ``nosetests`` command available.
+
+"""
+try:
+    from setuptools import Command
+except ImportError:
+    Command = nosetests = None
+else:
+    from nose.config import Config, option_blacklist, user_config_files, \
+        flag, _bool
+    from nose.core import TestProgram
+    from nose.plugins import DefaultPluginManager
+
+
+    def get_user_options(parser):
+        """convert a optparse option list into a distutils option tuple list"""
+        opt_list = []
+        for opt in parser.option_list:
+            if opt._long_opts[0][2:] in option_blacklist: 
+                continue
+            long_name = opt._long_opts[0][2:]
+            if opt.action not in ('store_true', 'store_false'):
+                long_name = long_name + "="
+            short_name = None
+            if opt._short_opts:
+                short_name =  opt._short_opts[0][1:]
+            opt_list.append((long_name, short_name, opt.help or ""))
+        return opt_list
+
+
+    class nosetests(Command):
+        description = "Run unit tests using nosetests"
+        __config = Config(files=user_config_files(),
+                          plugins=DefaultPluginManager())
+        __parser = __config.getParser()
+        user_options = get_user_options(__parser)
+
+        def initialize_options(self):
+            """create the member variables, but change hyphens to
+            underscores
+            """
+
+            self.option_to_cmds = {}
+            for opt in self.__parser.option_list:
+                cmd_name = opt._long_opts[0][2:]
+                option_name = cmd_name.replace('-', '_')
+                self.option_to_cmds[option_name] = cmd_name
+                setattr(self, option_name, None)
+            self.attr  = None
+
+        def finalize_options(self):
+            """nothing to do here"""
+            pass
+
+        def run(self):
+            """ensure tests are capable of being run, then
+            run nose.main with a reconstructed argument list"""
+            if getattr(self.distribution, 'use_2to3', False):
+                # If we run 2to3 we can not do this inplace:
+
+                # Ensure metadata is up-to-date
+                build_py = self.get_finalized_command('build_py')
+                build_py.inplace = 0
+                build_py.run()
+                bpy_cmd = self.get_finalized_command("build_py")
+                build_path = bpy_cmd.build_lib
+
+                # Build extensions
+                egg_info = self.get_finalized_command('egg_info')
+                egg_info.egg_base = build_path
+                egg_info.run()
+
+                build_ext = self.get_finalized_command('build_ext')
+                build_ext.inplace = 0
+                build_ext.run()
+            else:
+                self.run_command('egg_info')
+
+                # Build extensions in-place
+                build_ext = self.get_finalized_command('build_ext')
+                build_ext.inplace = 1
+                build_ext.run()
+
+            if self.distribution.install_requires:
+                self.distribution.fetch_build_eggs(
+                    self.distribution.install_requires)
+            if self.distribution.tests_require:
+                self.distribution.fetch_build_eggs(
+                    self.distribution.tests_require)
+
+            ei_cmd = self.get_finalized_command("egg_info")
+            argv = ['nosetests', '--where', ei_cmd.egg_base] 
+            for (option_name, cmd_name) in list(self.option_to_cmds.items()):
+                if option_name in option_blacklist:
+                    continue
+                value = getattr(self, option_name)
+                if value is not None:
+                    argv.extend(
+                        self.cfgToArg(option_name.replace('_', '-'), value))
+            TestProgram(argv=argv, config=self.__config)
+
+        def cfgToArg(self, optname, value):
+            argv = []
+            long_optname = '--' + optname
+            opt = self.__parser.get_option(long_optname)
+            if opt.action in ('store_true', 'store_false'):
+                if not flag(value):
+                    raise ValueError("Invalid value '%s' for '%s'" % (
+                        value, optname))
+                if _bool(value):
+                    argv.append(long_optname)
+            else:
+                argv.extend([long_optname, value])
+            return argv