Remove optional dependencies from install_requires

Author: hpk

setup.py

@@ -8,12 +8,8 @@
 
 install_requires = [
     # core dependencies
-    'decorator',
     'requests >= 1.0.0',
     'future',
-    'paste',
-    'zope.interface',
-    'repoze.who',
     'cryptography',
     'pytz',
     'pyOpenSSL',
@@ -22,6 +18,14 @@
     'six'
 ]
 
+extras_require = {
+    's2repoze': [
+        'paste',
+        'zope.interface',
+        'repoze.who'
+    ]
+}
+
 version = ''
 with open('src/saml2/__init__.py', 'r') as fd:
     version = re.search(r'^__version__\s*=\s*[\'"]([^\'"]*)[\'"]',
@@ -56,5 +60,6 @@
     scripts=["tools/parse_xsd2.py", "tools/make_metadata.py",
              "tools/mdexport.py", "tools/merge_metadata.py"],
     install_requires=install_requires,
+    extras_require=extras_require,
     zip_safe=False,
 )

tests/test_60_sp.py

@@ -2,12 +2,17 @@
 # -*- coding: utf-8 -*-
 
 import base64
+import pytest
 from saml2.authn_context import INTERNETPROTOCOLPASSWORD
 from saml2.saml import NAMEID_FORMAT_TRANSIENT
 from saml2.samlp import NameIDPolicy
-from saml2.s2repoze.plugins.sp import make_plugin
 from saml2.server import Server
 
+try:
+    from saml2.s2repoze.plugins.sp import make_plugin
+except ImportError:
+    make_plugin = None
+
 ENV1 = {'SERVER_SOFTWARE': 'CherryPy/3.1.2 WSGI Server',
         'SCRIPT_NAME': '',
         'ACTUAL_SERVER_PROTOCOL': 'HTTP/1.1',
@@ -43,6 +48,8 @@
 }
 
 
+@pytest.mark.skipif(not make_plugin,
+                    reason="s2repoze dependencies not installed")
 class TestSP():
     def setup_class(self):
         self.sp = make_plugin("rem", saml_conf="server_conf")