dev-python/distlib: Bump to 0.3.1, fix tests

Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-python/distlib/files/distlib-0.3.1-system-pypiserver.py

@@ -0,0 +1,37 @@
+From 30b1b46cb02cef9cb0317a3500fd1497e594a797 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
+Date: Wed, 8 Jul 2020 09:24:42 +0200
+Subject: [PATCH] Use system pypiserver
+
+---
+ tests/test_index.py | 7 +------
+ 1 file changed, 1 insertion(+), 6 deletions(-)
+
+diff --git a/tests/test_index.py b/tests/test_index.py
+index bc24367..623b027 100644
+--- a/tests/test_index.py
++++ b/tests/test_index.py
+@@ -52,11 +52,6 @@ class PackageIndexTestCase(unittest.TestCase):
+     def setUpClass(cls):
+         if cls.run_test_server:
+             cls.server = None
+-            server_script = os.path.join(HERE, 'pypi-server-standalone.py')
+-            if not os.path.exists(server_script):
+-                logger.debug('test server not available - some tests '
+-                             'will be skipped.')
+-                return
+             pwdfn = os.path.join(HERE, 'passwords')
+             if not os.path.exists(pwdfn):   # pragma: no cover
+                 with open(pwdfn, 'w') as f:
+@@ -65,7 +60,7 @@ class PackageIndexTestCase(unittest.TestCase):
+             if not os.path.isdir(pkgdir):   # pragma: no cover
+                 os.mkdir(pkgdir)
+             cls.sink = sink = open(os.devnull, 'w')
+-            cmd = [sys.executable, 'pypi-server-standalone.py',
++            cmd = [sys.executable, '-m', 'pypiserver',
+                    '-P', 'passwords', 'packages']
+             cls.server = subprocess.Popen(cmd, stdout=sink, stderr=sink,
+                                           cwd=HERE)
+-- 
+2.27.0
+