first (broken) attempts with web views for bureaus

screenless/bureau/bureau.py

@@ -62,6 +62,20 @@ def add_api(apistr, name=""):
     return decorator
 
 
+def add_webview(webstr, name, in_menu=True):
+    """ decorator for making a method available on the web-admin"""
+    def decorator(func):
+        """ the decorator iteself """
+        @functools.wraps(func)
+        def func_wrap(*args, **kwargs):
+            """ this is to avoid roaching the namespace """
+            return func(*args, **kwargs)
+        func_wrap.webview = webstr
+        func_wrap.name = name
+        return func_wrap
+    return decorator
+
+
 class LogPrinter(logging.Handler):
     """
     LogPrinter prints logs on a receipt printer for screenless debugging.
@@ -329,7 +343,8 @@ class Bureau(object):
             method = getattr(self, member)
             # ignore anything that is not a method with command or api details
             if not (callable(method) and (hasattr(method, "command") or
-                                          hasattr(method, "api"))):
+                                          hasattr(method, "api") or 
+                                          hasattr(method, "webview"))):
                 continue
             if hasattr(method, "command"):
                 self.commands[method.command] = method
@@ -353,6 +368,17 @@ class Bureau(object):
                     method(api_detail)
                 else:
                     self.send("IR", "addapi", api_detail)
+            elif hasattr(method, "webview"):
+                self.webview[method.webview] = method
+                webview_detail = { "name": method.name,
+                                   "prefix": self.prefix,
+                                   "webview": method.webview,
+                                   "desc": method.__doc__ }
+                if self.prefix == "IR":
+                    method = getattr(self, "add_webview")
+                    method(webview_detail)
+                else:
+                    self.send("IR", "addweb", webview_detail)
 
         self.log.debug("registered:")
         self.log.debug(str(self.commands))

screenless/bureau/ihr/ihr.py

@@ -99,6 +99,28 @@ class InhumanResources(Bureau):
             self.menu[prefix]["apis"][cmd] = {"name": cmdname,
                                               "desc": desc}
 
+    @add_api("addweb", "Register Custom Web View")
+    def add_webview(self, data):
+        try:
+            prefix = data["prefix"]
+            webview = data["webview"]
+            viewname = data["name"]
+            desc = data["desc"]
+        except KeyError as e:
+            self.log.error("cannot add invalid command:", e)
+            return
+        if prefix not in self.menu:
+            self.log.error("cannot add web view" + webview + 
+                           "to non-existent prefix" + prefix)
+        else:
+            self.menu[prefix]["webviews"][webview] = {"name": viewname,
+                                                      "desc": desc}
+            def callback(request):
+                self.send(prefix, webview, data=request)
+
+            self.webapp.register_webview(prefix, webview, callback)
+
+
     @add_command("menu", "Print Menu")
     def print_menu(self):
         """

screenless/bureau/ihr/ihrweb.py

@@ -90,6 +90,11 @@ class IhrApp(Bottle):
         if not(bureau in self.bureaus):
             self.bureaus.append(bureau)
 
+    def register_webview(self, prefix, view, callback):
+        def wrapped_cb():
+            callback(request.forms)
+        self.route("/" + prefix + "/" + view, callback=wrapped_cb)
+
     def register_crud(self, data):
         # adds callbacks for crud operations on a database
         pass