Simplify ZopeWSGIOptions and drop dependency on zdaemon.

setup.py

@@ -67,7 +67,6 @@ setup(
         'setuptools',
         'transaction',
         'waitress',
-        'zdaemon',
         'zExceptions >= 3.2',
         'zope.browser',
         'zope.browsermenu',

src/Zope2/Startup/options.py

@@ -15,9 +15,8 @@
 import os
 import xml.sax
 
-from ZConfig.loader import SchemaLoader
+from ZConfig.loader import ConfigLoader, SchemaLoader
 from ZConfig.schema import SchemaParser
-from zdaemon.zdoptions import ZDOptions
 from zope.deferredimport import deprecated
 
 # BBB Zope 5.0
@@ -48,13 +47,19 @@ class ConditionalSchemaParser(SchemaParser):
             SchemaParser.start_import(self, attrs)
 
 
-class ZopeWSGIOptions(ZDOptions):
-    """zdaemon based ZopeWSGIOptions to parse a ZConfig schema.
+class ZopeWSGIOptions(object):
+    """ZopeWSGIOptions parses a ZConfig schema and config file.
     """
-
+    configfile = None
+    confighandlers = None
+    configroot = None
+    schema = None
     schemadir = os.path.dirname(os.path.abspath(__file__))
     schemafile = 'wsgischema.xml'
 
+    def __init__(self, configfile=None):
+        self.configfile = configfile
+
     def load_schema(self):
         if self.schema is None:
             # Load schema
@@ -75,3 +80,13 @@ class ZopeWSGIOptions(ZDOptions):
             self.schema = parser._schema
         finally:
             resource.close()
+
+    def load_configfile(self):
+        loader = ConfigLoader(self.schema)
+        self.configroot, self.confighandlers = loader.loadURL(
+            self.configfile)
+
+    def __call__(self):
+        self.load_schema()
+        self.load_configfile()
+        return self

src/Zope2/Startup/run.py

@@ -43,13 +43,7 @@ def _set_wsgi_config(configfile=None):
     Optionally accept a configfile argument (string path) in order
     to specify where the configuration file exists. """
     from Zope2.Startup import options, handlers
-    opts = options.ZopeWSGIOptions()
-    if configfile:
-        opts.configfile = configfile
-        opts.realize(raise_getopt_errs=0)
-    else:
-        opts.realize()
-
+    opts = options.ZopeWSGIOptions(configfile=configfile)()
     handlers.handleWSGIConfig(opts.configroot, opts.confighandlers)
     import App.config
     App.config.setConfiguration(opts.configroot)
@@ -63,9 +57,7 @@ def make_wsgi_app(global_config, zope_conf):
     from Zope2.Startup.options import ZopeWSGIOptions
     from ZPublisher.WSGIPublisher import publish_module
     starter = get_wsgi_starter()
-    opts = ZopeWSGIOptions()
-    opts.configfile = zope_conf
-    opts.realize(args=(), progname='Zope2WSGI', raise_getopt_errs=False)
+    opts = ZopeWSGIOptions(configfile=zope_conf)()
     handleWSGIConfig(opts.configroot, opts.confighandlers)
     setConfiguration(opts.configroot)
     starter.setConfiguration(opts.configroot)

src/Zope2/Startup/tests/test_schema.py

@@ -21,38 +21,32 @@ import ZConfig
 
 from Zope2.Startup.options import ZopeWSGIOptions
 
-_SCHEMA = {}
+_SCHEMA = None
 TEMPNAME = tempfile.mktemp()
 TEMPVAR = os.path.join(TEMPNAME, "var")
 
 
-def getSchema(schemafile):
+def getSchema():
     global _SCHEMA
-    if schemafile not in _SCHEMA:
+    if _SCHEMA is None:
         opts = ZopeWSGIOptions()
-        opts.schemafile = schemafile
         opts.load_schema()
-        _SCHEMA[schemafile] = opts.schema
-    return _SCHEMA[schemafile]
+        _SCHEMA = opts.schema
+    return _SCHEMA
 
 
 class WSGIStartupTestCase(unittest.TestCase):
 
-    @property
-    def schema(self):
-        return getSchema('wsgischema.xml')
-
     def load_config_text(self, text):
         # We have to create a directory of our own since the existence
         # of the directory is checked.  This handles this in a
         # platform-independent way.
-        schema = self.schema
         sio = cStringIO.StringIO(
             text.replace("<<INSTANCE_HOME>>", TEMPNAME))
         os.mkdir(TEMPNAME)
         os.mkdir(TEMPVAR)
         try:
-            conf, handler = ZConfig.loadConfigFile(schema, sio)
+            conf, handler = ZConfig.loadConfigFile(getSchema(), sio)
         finally:
             os.rmdir(TEMPVAR)
             os.rmdir(TEMPNAME)

src/Zope2/Startup/tests/test_starter.py

@@ -27,11 +27,10 @@ from Zope2.Startup.options import ZopeWSGIOptions
 _SCHEMA = None
 
 
-def getSchema(schemafile):
+def getSchema():
     global _SCHEMA
     if _SCHEMA is None:
         opts = ZopeWSGIOptions()
-        opts.schemafile = schemafile
         opts.load_schema()
         _SCHEMA = opts.schema
     return _SCHEMA
@@ -39,10 +38,6 @@ def getSchema(schemafile):
 
 class WSGIStarterTestCase(unittest.TestCase):
 
-    @property
-    def schema(self):
-        return getSchema('wsgischema.xml')
-
     def setUp(self):
         self.TEMPNAME = tempfile.mktemp()
 
@@ -66,7 +61,7 @@ class WSGIStarterTestCase(unittest.TestCase):
             if why == 17:
                 # already exists
                 pass
-        conf, self.handler = ZConfig.loadConfigFile(self.schema, sio)
+        conf, self.handler = ZConfig.loadConfigFile(getSchema(), sio)
         self.assertEqual(conf.instancehome, self.TEMPNAME)
         return conf
 

src/Zope2/utilities/finder.py

@@ -30,9 +30,7 @@ class ZopeFinder(object):
         from Zope2.Startup import options, handlers
         import App.config
         import Zope2
-        opts = options.ZopeWSGIOptions()
-        opts.configfile = config_file
-        opts.realize(args=[], doc="", raise_getopt_errs=0)
+        opts = options.ZopeWSGIOptions(configfile=config_file)()
         handlers.handleWSGIConfig(opts.configroot, opts.confighandlers)
         App.config.setConfiguration(opts.configroot)
         app = Zope2.app()