Beginning of the symbols from controller

Ref #496

gns3server/controller/__init__.py

@@ -25,6 +25,7 @@ from ..config import Config
 from .project import Project
 from .compute import Compute
 from .notification import Notification
+from .symbols import Symbols
 from ..version import __version__
 from .topology import load_topology
 
@@ -39,6 +40,7 @@ class Controller:
         self._computes = {}
         self._projects = {}
         self._notification = Notification(self)
+        self.symbols = Symbols()
 
         if sys.platform.startswith("win"):
             config_path = os.path.join(os.path.expandvars("%APPDATA%"), "GNS3")

gns3server/controller/symbols.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2016 GNS3 Technologies Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+
+
+from ..utils.get_resource import get_resource
+
+
+class Symbols:
+    """
+    Manage GNS3 symbols
+    """
+
+    def __init__(self):
+        self.list()
+
+    def list(self):
+        self._symbols_path = {}
+        symbols = []
+        for file in os.listdir(get_resource("symbols")):
+            if file.startswith('.'):
+                continue
+            symbol_id = ':/symbols/' + file
+            symbols.append({
+                'symbol_id': symbol_id,
+                'filename': file,
+                'builtin': True,
+                'url': '/static/builtin_symbols/' + file
+            })
+            self._symbols_path[symbol_id] = os.path.join(get_resource("symbols"), file)
+        #TODO: support ~/GNS3/symbols directory
+        return symbols
+
+    def get_path(self, symbol_id):
+        return self._symbols_path[symbol_id]