1 files changed, 41 insertions, 35 deletions

diff --git a/setup.py b/setup.py
index b161b5c..c0e1518 100755
--- a/setup.py
+++ b/setup.py
@@ -1,40 +1,46 @@
+import sys
+
 from setuptools import find_packages, setup
 
+
+if sys.hexversion < 0x30500f0:
+    print('Mailman requires at least Python 3.5')
+    sys.exit(1)
+
 setup(
-    name='mailman_pgp',
-    version='0.1',
-    description='A PGP plugin for the GNU Mailman mailing list manager',
-    long_description="""\
+        name='mailman_pgp',
+        version='0.1',
+        description='A PGP plugin for the GNU Mailman mailing list manager',
+        long_description="""\
 A plugin for GNU Mailman that adds encrypted mailing lists via PGP/MIME.""",
-    url='https://gitlab.com/J08nY/mailman-pgp',
-    author='Jan Jancar',
-    author_email='johny@neuromancer.sk',
-    license='GPLv3',
-    classifiers=[
-        'Development Status :: 2 - Pre-Alpha',
-        'Intended Audience :: System Administrators',
-        'Operating System :: POSIX',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
-        'Topic :: Communications :: Email :: Mailing List Servers',
-    ],
-    keywords='email pgp',
-    packages=find_packages('src'),
-    package_dir={'': 'src'},
-    install_requires=[
-        'mailman>=3.1.1',
-        'PGPy',
-        'atpublic',
-        'flufl.lock',
-        'sqlalchemy',
-        'zope.interface',
-        'zope.event'
-    ],
-    tests_require=[
-        'flufl.testing',
-        'parameterized',
-        'nose2'
-    ],
-    test_suite='nose2.collector.collector'
+        url='https://gitlab.com/J08nY/mailman-pgp',
+        author='Jan Jancar',
+        author_email='johny@neuromancer.sk',
+        license='GPLv3',
+        classifiers=[
+            'Development Status :: 2 - Pre-Alpha',
+            'Intended Audience :: System Administrators',
+            'Operating System :: POSIX',
+            'Programming Language :: Python :: 3.5',
+            'Programming Language :: Python :: 3.6',
+            'Topic :: Communications :: Email :: Mailing List Servers',
+        ],
+        keywords='email pgp',
+        packages=find_packages('src'),
+        package_dir={'': 'src'},
+        install_requires=[
+            'mailman>=3.1.1',
+            'PGPy',
+            'atpublic',
+            'flufl.lock',
+            'sqlalchemy',
+            'zope.interface',
+            'zope.event'
+        ],
+        tests_require=[
+            'flufl.testing',
+            'parameterized',
+            'nose2'
+        ],
+        test_suite='nose2.collector.collector'
 )