1 files changed, 649 insertions, 0 deletions
diff --git a/lib/python2.7/site-packages/distribute-0.6.24-py2.7.egg/setuptools/tests/test_resources.py b/lib/python2.7/site-packages/distribute-0.6.24-py2.7.egg/setuptools/tests/test_resources.py
new file mode 100644
index 0000000..3e0309f
--- /dev/null
+++ b/lib/python2.7/site-packages/distribute-0.6.24-py2.7.egg/setuptools/tests/test_resources.py
@@ -0,0 +1,649 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+# NOTE: the shebang and encoding lines are for ScriptHeaderTests; do not remove
+from unittest import TestCase, makeSuite; from pkg_resources import *
+from setuptools.command.easy_install import get_script_header, is_sh
+import os, pkg_resources, sys, StringIO, tempfile, shutil
+try: frozenset
+except NameError:
+    from sets import ImmutableSet as frozenset
+
+def safe_repr(obj, short=False):
+    """ copied from Python2.7"""
+    try:
+        result = repr(obj)
+    except Exception:
+        result = object.__repr__(obj)
+    if not short or len(result) < _MAX_LENGTH:
+        return result
+    return result[:_MAX_LENGTH] + ' [truncated]...'
+
+class Metadata(EmptyProvider):
+    """Mock object to return metadata as if from an on-disk distribution"""
+
+    def __init__(self,*pairs):
+        self.metadata = dict(pairs)
+
+    def has_metadata(self,name):
+        return name in self.metadata
+
+    def get_metadata(self,name):
+        return self.metadata[name]
+
+    def get_metadata_lines(self,name):
+        return yield_lines(self.get_metadata(name))
+
+class DistroTests(TestCase):
+
+    def testCollection(self):
+        # empty path should produce no distributions
+        ad = Environment([], platform=None, python=None)
+        self.assertEqual(list(ad), [])
+        self.assertEqual(ad['FooPkg'],[])
+        ad.add(Distribution.from_filename("FooPkg-1.3_1.egg"))
+        ad.add(Distribution.from_filename("FooPkg-1.4-py2.4-win32.egg"))
+        ad.add(Distribution.from_filename("FooPkg-1.2-py2.4.egg"))
+
+        # Name is in there now
+        self.assert_(ad['FooPkg'])
+        # But only 1 package
+        self.assertEqual(list(ad), ['foopkg'])
+
+        # Distributions sort by version
+        self.assertEqual(
+            [dist.version for dist in ad['FooPkg']], ['1.4','1.3-1','1.2']
+        )
+        # Removing a distribution leaves sequence alone
+        ad.remove(ad['FooPkg'][1])
+        self.assertEqual(
+            [dist.version for dist in ad['FooPkg']], ['1.4','1.2']
+        )
+        # And inserting adds them in order
+        ad.add(Distribution.from_filename("FooPkg-1.9.egg"))
+        self.assertEqual(
+            [dist.version for dist in ad['FooPkg']], ['1.9','1.4','1.2']
+        )
+
+        ws = WorkingSet([])
+        foo12 = Distribution.from_filename("FooPkg-1.2-py2.4.egg")
+        foo14 = Distribution.from_filename("FooPkg-1.4-py2.4-win32.egg")
+        req, = parse_requirements("FooPkg>=1.3")
+
+        # Nominal case: no distros on path, should yield all applicable
+        self.assertEqual(ad.best_match(req,ws).version, '1.9')
+        # If a matching distro is already installed, should return only that
+        ws.add(foo14); self.assertEqual(ad.best_match(req,ws).version, '1.4')
+
+        # If the first matching distro is unsuitable, it's a version conflict
+        ws = WorkingSet([]); ws.add(foo12); ws.add(foo14)
+        self.assertRaises(VersionConflict, ad.best_match, req, ws)
+
+        # If more than one match on the path, the first one takes precedence
+        ws = WorkingSet([]); ws.add(foo14); ws.add(foo12); ws.add(foo14);
+        self.assertEqual(ad.best_match(req,ws).version, '1.4')
+
+    def checkFooPkg(self,d):
+        self.assertEqual(d.project_name, "FooPkg")
+        self.assertEqual(d.key, "foopkg")
+        self.assertEqual(d.version, "1.3-1")
+        self.assertEqual(d.py_version, "2.4")
+        self.assertEqual(d.platform, "win32")
+        self.assertEqual(d.parsed_version, parse_version("1.3-1"))
+
+    def testDistroBasics(self):
+        d = Distribution(
+            "/some/path",
+            project_name="FooPkg",version="1.3-1",py_version="2.4",platform="win32"
+        )
+        self.checkFooPkg(d)
+
+        d = Distribution("/some/path")
+        self.assertEqual(d.py_version, sys.version[:3])
+        self.assertEqual(d.platform, None)
+
+    def testDistroParse(self):
+        d = Distribution.from_filename("FooPkg-1.3_1-py2.4-win32.egg")
+        self.checkFooPkg(d)
+        d = Distribution.from_filename("FooPkg-1.3_1-py2.4-win32.egg-info")
+        self.checkFooPkg(d)
+
+    def testDistroMetadata(self):
+        d = Distribution(
+            "/some/path", project_name="FooPkg", py_version="2.4", platform="win32",
+            metadata = Metadata(
+                ('PKG-INFO',"Metadata-Version: 1.0\nVersion: 1.3-1\n")
+            )
+        )
+        self.checkFooPkg(d)
+
+
+    def distRequires(self, txt):
+        return Distribution("/foo", metadata=Metadata(('depends.txt', txt)))
+
+    def checkRequires(self, dist, txt, extras=()):
+        self.assertEqual(
+            list(dist.requires(extras)),
+            list(parse_requirements(txt))
+        )
+
+    def testDistroDependsSimple(self):
+        for v in "Twisted>=1.5", "Twisted>=1.5\nZConfig>=2.0":
+            self.checkRequires(self.distRequires(v), v)
+
+
+    def testResolve(self):
+        ad = Environment([]); ws = WorkingSet([])
+        # Resolving no requirements -> nothing to install
+        self.assertEqual( list(ws.resolve([],ad)), [] )
+        # Request something not in the collection -> DistributionNotFound
+        self.assertRaises(
+            DistributionNotFound, ws.resolve, parse_requirements("Foo"), ad
+        )
+        Foo = Distribution.from_filename(
+            "/foo_dir/Foo-1.2.egg",
+            metadata=Metadata(('depends.txt', "[bar]\nBaz>=2.0"))
+        )
+        ad.add(Foo); ad.add(Distribution.from_filename("Foo-0.9.egg"))
+
+        # Request thing(s) that are available -> list to activate
+        for i in range(3):
+            targets = list(ws.resolve(parse_requirements("Foo"), ad))
+            self.assertEqual(targets, [Foo])
+            map(ws.add,targets)
+        self.assertRaises(VersionConflict, ws.resolve,
+            parse_requirements("Foo==0.9"), ad)
+        ws = WorkingSet([]) # reset
+
+        # Request an extra that causes an unresolved dependency for "Baz"
+        self.assertRaises(
+            DistributionNotFound, ws.resolve,parse_requirements("Foo[bar]"), ad
+        )
+        Baz = Distribution.from_filename(
+            "/foo_dir/Baz-2.1.egg", metadata=Metadata(('depends.txt', "Foo"))
+        )
+        ad.add(Baz)
+
+        # Activation list now includes resolved dependency
+        self.assertEqual(
+            list(ws.resolve(parse_requirements("Foo[bar]"), ad)), [Foo,Baz]
+        )
+        # Requests for conflicting versions produce VersionConflict
+        self.assertRaises( VersionConflict,
+            ws.resolve, parse_requirements("Foo==1.2\nFoo!=1.2"), ad
+        )
+
+    def testDistroDependsOptions(self):
+        d = self.distRequires("""
+            Twisted>=1.5
+            [docgen]
+            ZConfig>=2.0
+            docutils>=0.3
+            [fastcgi]
+            fcgiapp>=0.1""")
+        self.checkRequires(d,"Twisted>=1.5")
+        self.checkRequires(
+            d,"Twisted>=1.5 ZConfig>=2.0 docutils>=0.3".split(), ["docgen"]
+        )
+        self.checkRequires(
+            d,"Twisted>=1.5 fcgiapp>=0.1".split(), ["fastcgi"]
+        )
+        self.checkRequires(
+            d,"Twisted>=1.5 ZConfig>=2.0 docutils>=0.3 fcgiapp>=0.1".split(),
+            ["docgen","fastcgi"]
+        )
+        self.checkRequires(
+            d,"Twisted>=1.5 fcgiapp>=0.1 ZConfig>=2.0 docutils>=0.3".split(),
+            ["fastcgi", "docgen"]
+        )
+        self.assertRaises(UnknownExtra, d.requires, ["foo"])
+
+    def testSetuptoolsDistributeCombination(self):
+        # Ensure that installing a 0.7-series setuptools fails.  PJE says that
+        # it will not co-exist.
+        ws = WorkingSet([])
+        d = Distribution(
+            "/some/path",
+            project_name="setuptools",
+            version="0.7a1")
+        self.assertRaises(ValueError, ws.add, d)
+        # A 0.6-series is no problem
+        d2 = Distribution(
+            "/some/path",
+            project_name="setuptools",
+            version="0.6c9")
+        ws.add(d2)
+
+        # a unexisting version needs to work
+        ws = WorkingSet([])
+        d3 = Distribution(
+            "/some/path",
+            project_name="setuptools")
+        ws.add(d3)
+
+
+class EntryPointTests(TestCase):
+
+    def assertfields(self, ep):
+        self.assertEqual(ep.name,"foo")
+        self.assertEqual(ep.module_name,"setuptools.tests.test_resources")
+        self.assertEqual(ep.attrs, ("EntryPointTests",))
+        self.assertEqual(ep.extras, ("x",))
+        self.assert_(ep.load() is EntryPointTests)
+        self.assertEqual(
+            str(ep),
+            "foo = setuptools.tests.test_resources:EntryPointTests [x]"
+        )
+
+    def setUp(self):
+        self.dist = Distribution.from_filename(
+            "FooPkg-1.2-py2.4.egg", metadata=Metadata(('requires.txt','[x]')))
+
+    def testBasics(self):
+        ep = EntryPoint(
+            "foo", "setuptools.tests.test_resources", ["EntryPointTests"],
+            ["x"], self.dist
+        )
+        self.assertfields(ep)
+
+    def testParse(self):
+        s = "foo = setuptools.tests.test_resources:EntryPointTests [x]"
+        ep = EntryPoint.parse(s, self.dist)
+        self.assertfields(ep)
+
+        ep = EntryPoint.parse("bar baz=  spammity[PING]")
+        self.assertEqual(ep.name,"bar baz")
+        self.assertEqual(ep.module_name,"spammity")
+        self.assertEqual(ep.attrs, ())
+        self.assertEqual(ep.extras, ("ping",))
+
+        ep = EntryPoint.parse(" fizzly =  wocka:foo")
+        self.assertEqual(ep.name,"fizzly")
+        self.assertEqual(ep.module_name,"wocka")
+        self.assertEqual(ep.attrs, ("foo",))
+        self.assertEqual(ep.extras, ())
+
+    def testRejects(self):
+        for ep in [
+            "foo", "x=1=2", "x=a:b:c", "q=x/na", "fez=pish:tush-z", "x=f[a]>2",
+        ]:
+            try: EntryPoint.parse(ep)
+            except ValueError: pass
+            else: raise AssertionError("Should've been bad", ep)
+
+    def checkSubMap(self, m):
+        self.assertEqual(len(m), len(self.submap_expect))
+        for key, ep in self.submap_expect.iteritems():
+            self.assertEqual(repr(m.get(key)), repr(ep))
+
+    submap_expect = dict(
+        feature1=EntryPoint('feature1', 'somemodule', ['somefunction']),
+        feature2=EntryPoint('feature2', 'another.module', ['SomeClass'], ['extra1','extra2']),
+        feature3=EntryPoint('feature3', 'this.module', extras=['something'])
+    )
+    submap_str = """
+            # define features for blah blah
+            feature1 = somemodule:somefunction
+            feature2 = another.module:SomeClass [extra1,extra2]
+            feature3 = this.module [something]
+    """
+
+    def testParseList(self):
+        self.checkSubMap(EntryPoint.parse_group("xyz", self.submap_str))
+        self.assertRaises(ValueError, EntryPoint.parse_group, "x a", "foo=bar")
+        self.assertRaises(ValueError, EntryPoint.parse_group, "x",
+            ["foo=baz", "foo=bar"])
+
+    def testParseMap(self):
+        m = EntryPoint.parse_map({'xyz':self.submap_str})
+        self.checkSubMap(m['xyz'])
+        self.assertEqual(m.keys(),['xyz'])
+        m = EntryPoint.parse_map("[xyz]\n"+self.submap_str)
+        self.checkSubMap(m['xyz'])
+        self.assertEqual(m.keys(),['xyz'])
+        self.assertRaises(ValueError, EntryPoint.parse_map, ["[xyz]", "[xyz]"])
+        self.assertRaises(ValueError, EntryPoint.parse_map, self.submap_str)
+
+class RequirementsTests(TestCase):
+
+    def testBasics(self):
+        r = Requirement.parse("Twisted>=1.2")
+        self.assertEqual(str(r),"Twisted>=1.2")
+        self.assertEqual(repr(r),"Requirement.parse('Twisted>=1.2')")
+        self.assertEqual(r, Requirement("Twisted", [('>=','1.2')], ()))
+        self.assertEqual(r, Requirement("twisTed", [('>=','1.2')], ()))
+        self.assertNotEqual(r, Requirement("Twisted", [('>=','2.0')], ()))
+        self.assertNotEqual(r, Requirement("Zope", [('>=','1.2')], ()))
+        self.assertNotEqual(r, Requirement("Zope", [('>=','3.0')], ()))
+        self.assertNotEqual(r, Requirement.parse("Twisted[extras]>=1.2"))
+
+    def testOrdering(self):
+        r1 = Requirement("Twisted", [('==','1.2c1'),('>=','1.2')], ())
+        r2 = Requirement("Twisted", [('>=','1.2'),('==','1.2c1')], ())
+        self.assertEqual(r1,r2)
+        self.assertEqual(str(r1),str(r2))
+        self.assertEqual(str(r2),"Twisted==1.2c1,>=1.2")
+
+    def testBasicContains(self):
+        r = Requirement("Twisted", [('>=','1.2')], ())
+        foo_dist = Distribution.from_filename("FooPkg-1.3_1.egg")
+        twist11  = Distribution.from_filename("Twisted-1.1.egg")
+        twist12  = Distribution.from_filename("Twisted-1.2.egg")
+        self.assert_(parse_version('1.2') in r)
+        self.assert_(parse_version('1.1') not in r)
+        self.assert_('1.2' in r)
+        self.assert_('1.1' not in r)
+        self.assert_(foo_dist not in r)
+        self.assert_(twist11 not in r)
+        self.assert_(twist12 in r)
+
+    def testAdvancedContains(self):
+        r, = parse_requirements("Foo>=1.2,<=1.3,==1.9,>2.0,!=2.5,<3.0,==4.5")
+        for v in ('1.2','1.2.2','1.3','1.9','2.0.1','2.3','2.6','3.0c1','4.5'):
+            self.assert_(v in r, (v,r))
+        for v in ('1.2c1','1.3.1','1.5','1.9.1','2.0','2.5','3.0','4.0'):
+            self.assert_(v not in r, (v,r))
+
+
+    def testOptionsAndHashing(self):
+        r1 = Requirement.parse("Twisted[foo,bar]>=1.2")
+        r2 = Requirement.parse("Twisted[bar,FOO]>=1.2")
+        r3 = Requirement.parse("Twisted[BAR,FOO]>=1.2.0")
+        self.assertEqual(r1,r2)
+        self.assertEqual(r1,r3)
+        self.assertEqual(r1.extras, ("foo","bar"))
+        self.assertEqual(r2.extras, ("bar","foo"))  # extras are normalized
+        self.assertEqual(hash(r1), hash(r2))
+        self.assertEqual(
+            hash(r1), hash(("twisted", ((">=",parse_version("1.2")),),
+                            frozenset(["foo","bar"])))
+        )
+
+    def testVersionEquality(self):
+        r1 = Requirement.parse("foo==0.3a2")
+        r2 = Requirement.parse("foo!=0.3a4")
+        d = Distribution.from_filename
+
+        self.assert_(d("foo-0.3a4.egg") not in r1)
+        self.assert_(d("foo-0.3a1.egg") not in r1)
+        self.assert_(d("foo-0.3a4.egg") not in r2)
+
+        self.assert_(d("foo-0.3a2.egg") in r1)
+        self.assert_(d("foo-0.3a2.egg") in r2)
+        self.assert_(d("foo-0.3a3.egg") in r2)
+        self.assert_(d("foo-0.3a5.egg") in r2)
+
+    def testDistributeSetuptoolsOverride(self):
+        # Plain setuptools or distribute mean we return distribute.
+        self.assertEqual(
+            Requirement.parse('setuptools').project_name, 'distribute')
+        self.assertEqual(
+            Requirement.parse('distribute').project_name, 'distribute')
+        # setuptools lower than 0.7 means distribute
+        self.assertEqual(
+            Requirement.parse('setuptools==0.6c9').project_name, 'distribute')
+        self.assertEqual(
+            Requirement.parse('setuptools==0.6c10').project_name, 'distribute')
+        self.assertEqual(
+            Requirement.parse('setuptools>=0.6').project_name, 'distribute')
+        self.assertEqual(
+            Requirement.parse('setuptools < 0.7').project_name, 'distribute')
+        # setuptools 0.7 and higher means setuptools.
+        self.assertEqual(
+            Requirement.parse('setuptools == 0.7').project_name, 'setuptools')
+        self.assertEqual(
+            Requirement.parse('setuptools == 0.7a1').project_name, 'setuptools')
+        self.assertEqual(
+            Requirement.parse('setuptools >= 0.7').project_name, 'setuptools')
+
+
+
+
+
+
+
+
+
+
+
+class ParseTests(TestCase):
+
+    def testEmptyParse(self):
+        self.assertEqual(list(parse_requirements('')), [])
+
+    def testYielding(self):
+        for inp,out in [
+            ([], []), ('x',['x']), ([[]],[]), (' x\n y', ['x','y']),
+            (['x\n\n','y'], ['x','y']),
+        ]:
+            self.assertEqual(list(pkg_resources.yield_lines(inp)),out)
+
+    def testSplitting(self):
+        self.assertEqual(
+            list(
+                pkg_resources.split_sections("""
+                    x
+                    [Y]
+                    z
+
+                    a
+                    [b ]
+                    # foo
+                    c
+                    [ d]
+                    [q]
+                    v
+                    """
+                )
+            ),
+            [(None,["x"]), ("Y",["z","a"]), ("b",["c"]), ("d",[]), ("q",["v"])]
+        )
+        self.assertRaises(ValueError,list,pkg_resources.split_sections("[foo"))
+
+    def testSafeName(self):
+        self.assertEqual(safe_name("adns-python"), "adns-python")
+        self.assertEqual(safe_name("WSGI Utils"),  "WSGI-Utils")
+        self.assertEqual(safe_name("WSGI  Utils"), "WSGI-Utils")
+        self.assertEqual(safe_name("Money$$$Maker"), "Money-Maker")
+        self.assertNotEqual(safe_name("peak.web"), "peak-web")
+
+    def testSafeVersion(self):
+        self.assertEqual(safe_version("1.2-1"), "1.2-1")
+        self.assertEqual(safe_version("1.2 alpha"),  "1.2.alpha")
+        self.assertEqual(safe_version("2.3.4 20050521"), "2.3.4.20050521")
+        self.assertEqual(safe_version("Money$$$Maker"), "Money-Maker")
+        self.assertEqual(safe_version("peak.web"), "peak.web")
+
+    def testSimpleRequirements(self):
+        self.assertEqual(
+            list(parse_requirements('Twis-Ted>=1.2-1')),
+            [Requirement('Twis-Ted',[('>=','1.2-1')], ())]
+        )
+        self.assertEqual(
+            list(parse_requirements('Twisted >=1.2, \ # more\n<2.0')),
+            [Requirement('Twisted',[('>=','1.2'),('<','2.0')], ())]
+        )
+        self.assertEqual(
+            Requirement.parse("FooBar==1.99a3"),
+            Requirement("FooBar", [('==','1.99a3')], ())
+        )
+        self.assertRaises(ValueError,Requirement.parse,">=2.3")
+        self.assertRaises(ValueError,Requirement.parse,"x\\")
+        self.assertRaises(ValueError,Requirement.parse,"x==2 q")
+        self.assertRaises(ValueError,Requirement.parse,"X==1\nY==2")
+        self.assertRaises(ValueError,Requirement.parse,"#")
+
+    def testVersionEquality(self):
+        def c(s1,s2):
+            p1, p2 = parse_version(s1),parse_version(s2)
+            self.assertEqual(p1,p2, (s1,s2,p1,p2))
+
+        c('0.4', '0.4.0')
+        c('0.4.0.0', '0.4.0')
+        c('0.4.0-0', '0.4-0')
+        c('0pl1', '0.0pl1')
+        c('0pre1', '0.0c1')
+        c('0.0.0preview1', '0c1')
+        c('0.0c1', '0rc1')
+        c('1.2a1', '1.2.a.1'); c('1.2...a', '1.2a')
+
+    def testVersionOrdering(self):
+        def c(s1,s2):
+            p1, p2 = parse_version(s1),parse_version(s2)
+            self.assert_(p1<p2, (s1,s2,p1,p2))
+
+        c('2.1','2.1.1')
+        c('2.1.0','2.10')
+        c('2a1','2b0')
+        c('2b1','2c0')
+        c('2a1','2.1')
+        c('2.3a1', '2.3')
+        c('2.1-1', '2.1-2')
+        c('2.1-1', '2.1.1')
+        c('2.1', '2.1.1-1')
+        c('2.1', '2.1pl4')
+        c('2.1a0-20040501', '2.1')
+        c('1.1', '02.1')
+        c('A56','B27')
+        c('3.2', '3.2.pl0')
+        c('3.2-1', '3.2pl1')
+        c('3.2pl1', '3.2pl1-1')
+        c('0.4', '4.0')
+        c('0.0.4', '0.4.0')
+        c('0pl1', '0.4pl1')
+        c('2.1dev','2.1a0')
+        c('2.1.0rc1','2.1.0')
+        c('2.1.0','2.1.0-rc0')
+        c('2.1.0','2.1.0-a')
+        c('2.1.0','2.1.0-alpha')
+        c('2.1.0','2.1.0-foo')
+        c('1.0','1.0-1')
+        c('1.0-1','1.0.1')
+        c('1.0a','1.0b')
+        c('1.0dev','1.0rc1')
+        c('1.0pre','1.0')
+        c('1.0pre','1.0')
+        c('1.0a','1.0-a')
+        c('1.0rc1','1.0-rc1')
+
+        torture ="""
+        0.80.1-3 0.80.1-2 0.80.1-1 0.79.9999+0.80.0pre4-1
+        0.79.9999+0.80.0pre2-3 0.79.9999+0.80.0pre2-2
+        0.77.2-1 0.77.1-1 0.77.0-1
+        """.split()
+
+        for p,v1 in enumerate(torture):
+            for v2 in torture[p+1:]:
+                c(v2,v1)
+
+
+
+
+
+
+
+
+class ScriptHeaderTests(TestCase):
+    non_ascii_exe = '/Users/José/bin/python'
+
+    def test_get_script_header(self):
+        if not sys.platform.startswith('java') or not is_sh(sys.executable):
+            # This test is for non-Jython platforms
+            self.assertEqual(get_script_header('#!/usr/local/bin/python'),
+                             '#!%s\n' % os.path.normpath(sys.executable))
+            self.assertEqual(get_script_header('#!/usr/bin/python -x'),
+                             '#!%s  -x\n' % os.path.normpath(sys.executable))
+            self.assertEqual(get_script_header('#!/usr/bin/python',
+                                               executable=self.non_ascii_exe),
+                             '#!%s -x\n' % self.non_ascii_exe)
+
+    def test_get_script_header_jython_workaround(self):
+        # This test doesn't work with Python 3 in some locales
+        if (sys.version_info >= (3,) and os.environ.get("LC_CTYPE")
+            in (None, "C", "POSIX")):
+            return
+        platform = sys.platform
+        sys.platform = 'java1.5.0_13'
+        stdout = sys.stdout
+        try:
+            # A mock sys.executable that uses a shebang line (this file)
+            exe = os.path.normpath(os.path.splitext(__file__)[0] + '.py')
+            self.assertEqual(
+                get_script_header('#!/usr/local/bin/python', executable=exe),
+                '#!/usr/bin/env %s\n' % exe)
+
+            # Ensure we generate what is basically a broken shebang line
+            # when there's options, with a warning emitted
+            sys.stdout = sys.stderr = StringIO.StringIO()
+            self.assertEqual(get_script_header('#!/usr/bin/python -x',
+                                               executable=exe),
+                             '#!%s  -x\n' % exe)
+            self.assert_('Unable to adapt shebang line' in sys.stdout.getvalue())
+            sys.stdout = sys.stderr = StringIO.StringIO()
+            self.assertEqual(get_script_header('#!/usr/bin/python',
+                                               executable=self.non_ascii_exe),
+                             '#!%s -x\n' % self.non_ascii_exe)
+            self.assert_('Unable to adapt shebang line' in sys.stdout.getvalue())
+        finally:
+            sys.platform = platform
+            sys.stdout = stdout
+
+
+
+
+class NamespaceTests(TestCase):
+
+    def setUp(self):
+        self._ns_pkgs = pkg_resources._namespace_packages.copy()
+        self._tmpdir = tempfile.mkdtemp(prefix="tests-distribute-")
+        os.makedirs(os.path.join(self._tmpdir, "site-pkgs"))
+        self._prev_sys_path = sys.path[:]
+        sys.path.append(os.path.join(self._tmpdir, "site-pkgs"))
+
+    def tearDown(self):
+        shutil.rmtree(self._tmpdir)
+        pkg_resources._namespace_packages = self._ns_pkgs.copy()
+        sys.path = self._prev_sys_path[:]
+
+    def _assertIn(self, member, container):
+        """ assertIn and assertTrue does not exist in Python2.3"""
+        if member not in container:
+            standardMsg = '%s not found in %s' % (safe_repr(member),
+                                                  safe_repr(container))
+            self.fail(self._formatMessage(msg, standardMsg))
+
+    def test_two_levels_deep(self):
+        """
+        Test nested namespace packages
+        Create namespace packages in the following tree :
+            site-packages-1/pkg1/pkg2
+            site-packages-2/pkg1/pkg2
+        Check both are in the _namespace_packages dict and that their __path__
+        is correct
+        """
+        sys.path.append(os.path.join(self._tmpdir, "site-pkgs2"))
+        os.makedirs(os.path.join(self._tmpdir, "site-pkgs", "pkg1", "pkg2"))
+        os.makedirs(os.path.join(self._tmpdir, "site-pkgs2", "pkg1", "pkg2"))
+        ns_str = "__import__('pkg_resources').declare_namespace(__name__)\n"
+        for site in ["site-pkgs", "site-pkgs2"]:
+            pkg1_init = open(os.path.join(self._tmpdir, site,
+                             "pkg1", "__init__.py"), "w")
+            pkg1_init.write(ns_str)
+            pkg1_init.close()
+            pkg2_init = open(os.path.join(self._tmpdir, site,
+                             "pkg1", "pkg2", "__init__.py"), "w")
+            pkg2_init.write(ns_str)
+            pkg2_init.close()
+        import pkg1
+        self._assertIn("pkg1", pkg_resources._namespace_packages.keys())
+        try:
+            import pkg1.pkg2
+        except ImportError, e:
+            self.fail("Distribute tried to import the parent namespace package")
+        # check the _namespace_packages dict
+        self._assertIn("pkg1.pkg2", pkg_resources._namespace_packages.keys())
+        self.assertEqual(pkg_resources._namespace_packages["pkg1"], ["pkg1.pkg2"])
+        # check the __path__ attribute contains both paths
+        self.assertEqual(pkg1.pkg2.__path__, [
+                os.path.join(self._tmpdir, "site-pkgs", "pkg1", "pkg2"),
+                os.path.join(self._tmpdir, "site-pkgs2", "pkg1", "pkg2") ])
+