support for plugins,needs a bit more work

cms/__init__.py

@@ -4,19 +4,23 @@ import pandas as pd
 import transport
 import copy
 from jinja2 import Environment, BaseLoader
+import importlib
+import importlib.util
 
 class components :
+    @staticmethod
     def folders (_path):
         _content = os.listdir(_path)
         
-        return [_name for _name in _content if os.path.isdir(os.sep.join([_path,_name]))]
+        return [_name for _name in _content if os.path.isdir(os.sep.join([_path,_name])) if not _name.startswith('_')]
-        
+    @staticmethod
     def content (_folder) :
         if os.path.exists(_folder) :
             # return [{'text':_name.split('.')[0].replace('_', ' ').replace('-',' ').strip(),'uri': os.sep.join([_folder,_name])} for _name in os.listdir(_folder) if not _name.startswith('_') and os.path.isfile( os.sep.join([_folder,_name]))]
             return [{'text':_name.split('.')[0].replace('_', ' ').replace('-',' ').strip(),'uri': os.sep.join([_folder,_name])} for _name in os.listdir(_folder) if not _name.startswith('_') and os.path.isfile( os.sep.join([_folder,_name]))]
         else:
             return []
+    @staticmethod
     def menu(_path,_config):
         """
         This function will read menu and sub-menu items from disk structure,
@@ -45,6 +49,7 @@ class components :
                 _submenu[_index] = _item
                 _index += 1
         return _object 
+    @staticmethod
     def html(uri,id,_args={}) :
         """
         This function reads a given uri and returns the appropriate html document, and applies environment context
@@ -58,6 +63,7 @@ class components :
         appContext = Environment(loader=BaseLoader()).from_string(_html)
         return appContext.render(**_args)
         # return _html
+    @staticmethod
     def data (_args):
         """
         :store  data-store parameters (data-transport, github.com/lnyemba/data-transport)
@@ -68,11 +74,49 @@ class components :
         _queries= copy.deepcopy(_store['query'])
         _data   = reader.read(**_query)
         return _data
+    @staticmethod
     def csv(uri) :
         return pd.read(uri).to_html()
-    def apply(**_args):
+    @staticmethod
+    def load_plugin(**_args):
         """
-        :uri    uri of the mapping function
+        This function will load external module form a given location and return a pointer to a function in a given module
-        :args   arguments of the function
+        :path   absolute path of the file (considered plugin) to be loaded
+        :name   name of the function to be applied
         """
+        _path = _args['path'] #os.sep.join([_args['root'],'plugin'])
+        if os.path.isdir(_path):
+            files = os.listdir(_path)
+            if files :
+                files = [name for name in files if name.endswith('.py')]
+                if files:
+                    _path = os.sep.join([_path,files[0]])
+                else:
+                    return None
+            else:
+                return None
+        #-- We have a file ...  
+        _name = _args['name']
+        spec = importlib.util.spec_from_file_location(_name, _path)
+        module = importlib.util.module_from_spec(spec)
+        spec.loader.exec_module(module)
+        
+        return getattr(module,_name) if hasattr(module,_name) else None
+    @staticmethod
+    def plugins(_config) :
+        PATH= os.sep.join([_config['layout']['root'],'_plugins'])
+        _map = {}
+        if not os.path.exists(PATH) :
+            return _map
+        _conf = _config['plugins']
+        
+        for _key in _conf :
+            _path = os.sep.join([PATH,_key+".py"])
+            
+            for _name in _conf[_key] :
+                _pointer = components.load_plugin(path=_path,name=_name)
+                if _pointer :
+                    _uri = "/".join(["api",_key,_name])
+                    _map[_uri] = _pointer
+        return _map
             

index.py

@@ -39,10 +39,12 @@ def _index ():
         _args['index'] = e.render(**_args)
         _index_page = "index.html"
     except Exception as e:
+        print ()
+        print (e)
         _index_page = "404.html"
         _args['uri'] = request.base_url
         pass
-    print (_config );
+   
     return render_template(_index_page,**_args)
 
 @_app.route('/id/<uid>') 
@@ -60,8 +62,8 @@ def _dialog ():
     _id = request.headers['dom']
     _html =  cms.components.html(_uri,_id)
     e = Environment(loader=BaseLoader()).from_string(_html)     
-    _data = cms.components.data(_config)
+    # _data = cms.components.data(_config)
-    _args = {'system':_config['system'],'data':_data}
+    _args = {'system':_config['system']}
     
     _html = ''.join(["<div style='padding:1%'>",str( e.render(**_args)),'</div>'])
     
@@ -72,7 +74,30 @@ def _dialog ():
     # _args = {'system':_config['system'],'data':_data}
     
     # _html = ( e.render(**_args))
+@_app.route('/api/<module>/<name>')
+def _getproxy(module,name) :
+    """
+    This endpoint will load a module and make a function call
+    :_module entry specified in plugins of the configuration
+    :_name  name of the function to execute
+    """
+    global _config
 
+    uri =  '/'.join(['api',module,name])
+    if uri not in _config['plugins'] :
+        _data = {}
+        _code = 404
+    else:
+        pointer = _config['plugins'][uri]
+        _data = pointer ()
+        _code = 200
+    
+    
+    return _data,_code
+@_app.route('/version')
+def _version ():
+    global _config 
+    return _config['system']['version']
 @_app.route('/page',methods=['POST'])
 def cms_page():
     """
@@ -84,8 +109,8 @@ def cms_page():
     
     _html =  cms.components.html(_uri,_id)
     e = Environment(loader=BaseLoader()).from_string(_html)
-    _data = cms.components.data(_config)
+    # _data = {} #cms.components.data(_config)
-    _args = {'system':_config['system'],'data':_data}
+    _args = {'system':_config['system']}
     
     _html = ( e.render(**_args))
     return _html,200
@@ -120,7 +145,12 @@ if __name__ == '__main__' :
         _root = _config['layout']['root']
         _config['layout']['menu'] = cms.components.menu(_root,_config)
         # _config['data'] = cms.components.data(_config)
-        
+        #
+        # Let us load the plugins if any are available 
+        if 'plugins' in _config :
+            _map = cms.components.plugins(_config)
+            if _map :
+                _config['plugins'] = _map
         _args = _config['system']['app']
         _app.run(**_args)
     else:

static/js/menu.js

@@ -19,7 +19,7 @@ menu.apply  = function (uri,id,pid){
    
         httpclient.setHeader('uri',uri)
         httpclient.setHeader('dom',id)
-        httpclient.post('/cms/page',function(x){
+        httpclient.post('/page',function(x){
             var _html = x.responseText
             var template = document.createElement('template');
             template.innerHTML = _html.trim();
@@ -75,7 +75,7 @@ menu.apply_link =function(_args){
             http.setHeader('uri',_args.uri)
             http.setHeader('dom','dialog')
             // http.setHeader('dom',_args.text)
-            http.get('/cms/dialog',function(x){
+            http.get('/dialog',function(x){
                 
                 jx.modal.show({html:x.responseText,id:'dialog'})
             })

templates/index.html

@@ -24,7 +24,7 @@ Vanderbilt University Medical Center
         <meta name="keywords" content="x12,parser,healthcare,tools,informatics,research,phd,post-doc,api,python, jamia,amia,pnas,nature">
         <meta name="robots" content="/, follow, max-snippet:-1, max-image-preview:large">
         <link href="{{system.context}}/static/css/{{system.theme}}/default.css" rel="stylesheet" type="text/css">
-        <link href="{{system.context}}/static/css/animation/ocean.css" rel="stylesheet" type="text/css">
+        <link href="{{system.context}}/static/css/animation/_ocean.css" rel="stylesheet" type="text/css">
         <link href="{{system.context}}/static/css/icons.css" rel="stylesheet" type="text/css">
         <link href="{{system.context}}/static/css/border.css" rel="stylesheet" type="text/css">
         <script src="{{system.context}}/static/js/jx/dom.js"></script>