Use entrypoints for zuul-server.

If we put the code for zuul-server into the zuul module, then autodoc
will pick it up for documentation.

Change-Id: Idf2db82f706243c6e69984170b4783f1eece2237
Reviewed-on: https://review.openstack.org/16850
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Approved: James E. Blair <corvus@inaugust.com>
Tested-by: Jenkins

setup.py

@@ -35,7 +35,6 @@ setuptools.setup(
     cmdclass=setup.get_cmdclass(),
     install_requires=requires,
     dependency_links=depend_links,
-    scripts=['zuul-server'],
     zip_safe=False,
     classifiers=[
         'Environment :: Console',
@@ -44,5 +43,10 @@ setuptools.setup(
         'License :: OSI Approved :: Apache Software License',
         'Operating System :: OS Independent',
         'Programming Language :: Python'
-    ]
+    ],
+    entry_points={
+        'console_scripts': [
+            'zuul-server=zuul.cmd.server:main',
+        ],
+    }
 )

tox.ini

@@ -18,7 +18,7 @@ setenv = NOSE_WITH_COVERAGE=1
 
 [testenv:pyflakes]
 deps = pyflakes
-commands = pyflakes zuul zuul-server setup.py
+commands = pyflakes zuul setup.py
 
 [testenv:venv]
 commands = {posargs}

zuul/cmd/server.py

@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # Copyright 2012 Hewlett-Packard Development Company, L.P.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -19,7 +18,7 @@ import daemon
 
 try:
     import daemon.pidlockfile as pid_file_module
-    pid_file_module # workaround for pyflakes issue #13
+    pid_file_module  # workaround for pyflakes issue #13
 except:
     # as of python-daemon 1.6 it doesn't bundle pidlockfile anymore
     # instead it depends on lockfile-0.9.1 which uses pidfile.
@@ -105,9 +104,10 @@ class Server(object):
                 signal.pause()
             except KeyboardInterrupt:
                 print "Ctrl + C: asking scheduler to exit nicely...\n"
-                self.exit_handler( signal.SIGINT, None )
+                self.exit_handler(signal.SIGINT, None)
 
-if __name__ == '__main__':
+
+def main():
     server = Server()
     server.parse_arguments()
     server.read_config()