integrate pytest with setup.py

Makefile

@@ -1,13 +1,13 @@
 build:
 	virtualenv --no-site-packages .
 	bin/python setup.py develop
-	bin/pip install -r requirements_dev.txt 
+	bin/pip install -r requirements_dev.txt
 
 test:
-	./bin/py.test tests/
+	bin/python setup.py test
 
 coverage:
-	./bin/py.test --cov gunicorn tests/
+	bin/python setup.py test --cov
 
 clean:
 	@rm -rf .Python bin lib include man build html

setup.py

@@ -5,7 +5,7 @@
 
 
 import os
-from setuptools import setup, find_packages
+from setuptools import setup, find_packages, Command
 import sys
 
 from gunicorn import __version__
@@ -34,6 +34,31 @@ CLASSIFIERS = [
 with open(os.path.join(os.path.dirname(__file__), 'README.rst')) as f:
     long_description = f.read()
 
+# read dev requirements
+fname = os.path.join(os.path.dirname(__file__), 'requirements_dev.txt')
+with open(fname) as f:
+    tests_require = list(map(lambda l: l.strip(), f.readlines()))
+
+class PyTest(Command):
+    user_options = [
+        ("cov", None, "measure coverage")
+    ]
+
+    def initialize_options(self):
+        self.cov = None
+
+    def finalize_options(self):
+        pass
+
+    def run(self):
+        import sys,subprocess
+        basecmd = [sys.executable, '-m', 'py.test']
+        if self.cov:
+            basecmd += ['--cov', 'gunicorn']
+        errno = subprocess.call(basecmd + ['tests'])
+        raise SystemExit(errno)
+
+
 setup(
     name = 'gunicorn',
     version = __version__,
@@ -50,6 +75,9 @@ setup(
     packages = find_packages(exclude=['examples', 'tests']),
     include_package_data = True,
 
+    tests_require = tests_require,
+    cmdclass = {'test': PyTest},
+
     entry_points="""
 
     [console_scripts]