Adapter for cornice

tox.ini

@@ -67,6 +67,17 @@ commands=
     {envbindir}/easy_install -i http://www.turbogears.org/1.5/downloads/current/index/ 'TurboGears<1.5.99'
     {envbindir}/coverage run -p {envbindir}/nosetests tests/test_tg15.py --verbose {posargs}
 
+[testenv:pecan]
+basepython=python2.7
+deps=
+    nose
+    webtest
+    coverage
+    simplejson
+    pecan
+commands=
+    {envbindir}/coverage run -p {envbindir}/nosetests tests/pecantest/test_pecan.py --verbose {posargs}
+
 [testenv:coverage]
 basepython=python
 deps=

wsme/cornice.py

@@ -0,0 +1,86 @@
+"""
+WSME for cornice
+
+
+Activate it::
+
+    config.include('wsme.cornice')
+
+
+And use it::
+
+    @hello.get()
+    @wsexpose(Message, wsme.types.text)
+    def get_hello(who=u'World'):
+        return Message(text='Hello %s' % who)
+"""
+import json
+
+import xml.etree.ElementTree as et
+
+import wsme
+import wsme.protocols
+from wsme.protocols import restjson
+from wsme.protocols import restxml
+import functools
+
+from wsme.protocols.commons import (
+    args_from_params, args_from_body, combine_args
+)
+
+
+class WSMEJsonRenderer(object):
+    def __init__(self, info):
+        pass
+
+    def __call__(self, data, context):
+        response = context['request'].response
+        response.content_type = 'application/json'
+        data = restjson.tojson(
+            data['datatype'],
+            data['result']
+        )
+        return json.dumps(data)
+
+
+class WSMEXmlRenderer(object):
+    def __init__(self, info):
+        pass
+
+    def __call__(self, data, context):
+        response = context['request'].response
+        response.content_type = 'text/xml'
+        data = restxml.toxml(
+            data['datatype'],
+            'result',
+            data['result']
+        )
+        return et.tostring(data)
+
+
+def wsexpose(*args, **kwargs):
+    sig = wsme.sig(*args, **kwargs)
+
+    def decorate(f):
+        sig(f)
+        funcdef = wsme.api.FunctionDefinition.get(f)
+
+        @functools.wraps(f)
+        def callfunction(request):
+            args, kwargs = combine_args(
+                args_from_params(funcdef, request.params),
+                args_from_body(funcdef, request.body, request.content_type)
+            )
+            request.override_renderer = 'wsmexml'
+            return {
+                'datatype': funcdef.return_type,
+                'result': f(*args, **kwargs)
+            }
+
+        return callfunction
+    return decorate
+
+
+def includeme(config):
+    config.add_renderer('wsmejson', WSMEJsonRenderer)
+    config.add_renderer('wsmexml', WSMEXmlRenderer)