Stop using site_packages when running tox

Vagrantfile

@@ -10,7 +10,6 @@ $script = <<SCRIPT
         fedmsg-relay \
         fedpkg \
         gcc \
-        gcc \
         gcc-c++ \
         git \
         koji \

requirements.txt

@@ -9,6 +9,7 @@ futures # Python 2 only
 httplib2
 kerberos
 kobo>=0.5.0
+koji
 ldap3
 m2crypto
 m2ext

setup.py

@@ -1,10 +1,25 @@
+from os import path
+
 from setuptools import setup, find_packages
 
-with open('requirements.txt') as f:
-    requirements = f.readlines()
 
-with open('test-requirements.txt') as f:
-    test_requirements = f.readlines()
+def read_requirements(filename):
+    specifiers = []
+    dep_links = []
+    with open(filename, 'r') as f:
+        for line in f:
+            if line.startswith('-r') or line.strip() == '':
+                continue
+            if line.startswith('git+'):
+                dep_links.append(line.strip())
+            else:
+                specifiers.append(line.strip())
+    return specifiers, dep_links
+
+
+setup_py_path = path.dirname(path.realpath(__file__))
+install_requires, deps_links = read_requirements(path.join(setup_py_path, 'requirements.txt'))
+tests_require, _ = read_requirements(path.join(setup_py_path, 'test-requirements.txt'))
 
 setup(name='module-build-service',
       description='The Module Build Service for Modularity',
@@ -21,8 +36,9 @@ setup(name='module-build-service',
       packages=find_packages(),
       include_package_data=True,
       zip_safe=False,
-      install_requires=requirements,
-      tests_require=test_requirements,
+      install_requires=install_requires,
+      tests_require=tests_require,
+      dependency_links=deps_links,
       entry_points={
           'console_scripts': ['mbs-upgradedb = module_build_service.manage:upgradedb',
                               'mbs-frontend = module_build_service.manage:run',

test-requirements.txt

@@ -1,3 +1,5 @@
+-r requirements.txt
+
 copr
 mock
 nose

tox.ini

@@ -10,16 +10,10 @@ envlist = py27, coverage, flake8, bandit
 max-line-length = 100
 
 [testenv]
-# using sitepackages is not a good idea, but Koji... :(
-sitepackages = True
-install_command = pip install --force-reinstall --ignore-installed {packages}
-deps =
-    copr
-    mock
-    nose
-    pytest
-    vcrpy
-commands = py.test -v {posargs}
+usedevelop = true
+deps = -r{toxinidir}/test-requirements.txt
+commands =
+    py.test {posargs}
 
 [testenv:coverage]
 basepython = python2