1 files changed, 40 insertions, 0 deletions
diff --git a/ebus/webapp/soup_plugin.py b/ebus/webapp/soup_plugin.py
new file mode 100644
index 0000000..68120af
--- /dev/null
+++ b/ebus/webapp/soup_plugin.py
@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+# vim: autoindent tabstop=4 shiftwidth=4 expandtab softtabstop=4 filetype=python
+
+import inspect
+
+from sqlalchemy import create_engine, text
+from sqlalchemy.ext.sqlsoup import SqlSoup
+
+
+class SoupPlugin(object):
+    name = 'soup'
+    def __init__(self, url, keyword='soup'):
+        self.url = url
+        self.keyword = keyword
+
+    def setup(self, app):
+        for other in app.plugins:
+            if not isinstance(other, SoupPlugin): continue
+            if other.keyword == self.keyword:
+                raise PluginError("Found another soup plugin with "\
+                                  "conflicting settings (non-unique keyword).")
+
+        self.engine = create_engine(self.url)
+        self.soup = SqlSoup(self.engine)
+
+
+    def apply(self, callback, context):
+        print "apply"
+        conf = context['config'].get('soup') or {}
+        keyword = conf.get('keyword', self.keyword) 
+        
+        args = inspect.getargspec(context['callback'])[0]
+        if keyword not in args:
+            return callback
+        
+        def wrapper(*args, **kwargs):
+            kwargs[keyword] = self.soup
+            return callback(*args, **kwargs)
+        
+        return wrapper