implemented new ability for app to have proxy with root path fixed #20

sams_classes/sams_app.py

@@ -46,14 +46,18 @@ class SAMSApp:
       endpoint = '_'.join(view['function'].split('.'))
       view_func = SAMSApp._get_attr(self.module, view['function'])
       self.__blueprint.add_url_rule(
-        rule = self._generate_url(view.get('url')), endpoint = endpoint,
+        rule = self._generate_url(urlPart = view.get('url')), endpoint = endpoint,
         view_func = view_func)
   
   def __add_proxy_urls(self):
     i = 0
     for proxy in self.proxies:
       self.__blueprint.add_url_rule(
-        rule = self._generate_url(proxy.urlRule),
+        rule = self._generate_url(urlPart = proxy.urlRule),
+        endpoint = self.__blueprint.name.replace('.', '_') + '_proxy_' + str(i),
+        view_func = proxy.proxy)
+      self.__blueprint.add_url_rule(
+        rule = self._generate_url(urlPart = proxy.rootUrlRule),
         endpoint = self.__blueprint.name.replace('.', '_') + '_proxy_' + str(i),
         view_func = proxy.proxy)
       i += 1
@@ -107,15 +111,12 @@ class SAMSApp:
     return entries
   
   def _generate_url(
-      self, urlPrefix: str, urlPart: str = '', external = False ) -> str:
+      self, urlPrefix: str = '', urlPart: str = '', external = False ) -> str:
     if external:
       return urlPart
     urlPrefix = urlPrefix.strip('/')
-    urlPart = urlPart.strip('/')
-    urlElements = []
-    if urlPrefix:
-      urlElements.append(urlPrefix)
-    if urlPart:
-      urlElements.append(urlPart)
-    url = '/'.join(urlElements)
-    return '/' + url if (not url) or (url[0] is not '/') else url
\ No newline at end of file
+    urlPart = urlPart.lstrip('/')
+    url = '/'.join([urlPrefix, urlPart])
+    if url[0] != '/':
+      url = '/' + url
+    return url
\ No newline at end of file