Do not use empty spec names for plugins.

Fixes sensepost#287

Author: leonjza

objection/commands/plugin_manager.py

@@ -1,9 +1,11 @@
 import importlib.util
 import os
 import traceback
+import uuid
 
 import click
 
+from ..console import commands
 from ..utils.plugin import Plugin as PluginType
 
 
@@ -28,7 +30,7 @@ def load_plugin(args: list = None) -> None:
             os.path.dirname(path)), fg='red', dim=True)
         return
 
-    spec = importlib.util.spec_from_file_location('', path)
+    spec = importlib.util.spec_from_file_location(str(uuid.uuid4())[:8], path)
     plugin = spec.loader.load_module()
     spec.loader.exec_module(plugin)
 
@@ -53,7 +55,5 @@ def load_plugin(args: list = None) -> None:
         click.secho('{0}'.format(traceback.format_exc()), dim=True)
         return
 
-    from ..console import commands
     commands.COMMANDS['plugin']['commands'][instance.namespace] = instance.implementation
-
     click.secho('Loaded plugin: {0}'.format(plugin.__name__), bold=True)