[teisenbe] first attempt at a plugin system.

1 files changed, 25 insertions, 0 deletions

diff --git a/src/plugin_manager.py b/src/plugin_manager.py
new file mode 100644
index 00000000..3f900e39
--- /dev/null
+++ b/src/plugin_manager.py
@@ -0,0 +1,25 @@
+class PluginManager(object):
+    def __init__(self, core):
+        self.core = core
+        self.plugins = {}
+
+    def load(self, name):
+        if name in self.plugins:
+            self.plugins[name].unload()
+
+        try:
+            code = compile(open(name).read(), name, 'exec')
+            from plugin import BasePlugin
+            globals = { 'BasePlugin' : BasePlugin }
+            exec(code, globals)
+            self.plugins[name] = globals['Plugin'](self.core)
+        except Exception as e:
+            self.core.information("Could not load plugin: %s" % (e,))
+
+    def unload(self, name):
+        if name in self.plugins:
+            try:
+                self.plugins[name].unload()
+                del self.plugins[name]
+            except Exception as e:
+                self.core.information("Could not unload plugin (may not be safe to try again): %s" % (e,))