1 files changed, 153 insertions, 0 deletions
diff --git a/deluge/ui/web/pluginmanager.py b/deluge/ui/web/pluginmanager.py
new file mode 100644
index 0000000..2da5b61
--- /dev/null
+++ b/deluge/ui/web/pluginmanager.py
@@ -0,0 +1,153 @@
+#
+# Copyright (C) 2009 Damien Churchill <damoxc@gmail.com>
+#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
+#
+
+import logging
+import os
+
+from deluge import component
+from deluge.configmanager import ConfigManager
+from deluge.pluginmanagerbase import PluginManagerBase
+from deluge.ui.client import client
+
+log = logging.getLogger(__name__)
+
+
+def gather_info(plugin):
+    # Get the scripts for the plugin
+    scripts = getattr(plugin, 'scripts', ())
+    debug_scripts = getattr(plugin, 'debug_scripts') or scripts
+
+    directories = []
+    for script in scripts + debug_scripts:
+        if os.path.dirname(script) not in directories:
+            directories.append(os.path.dirname(script))
+
+    return {
+        'scripts': scripts,
+        'debug_scripts': debug_scripts,
+        'script_directories': directories,
+    }
+
+
+class PluginManager(PluginManagerBase, component.Component):
+    def __init__(self):
+        component.Component.__init__(self, 'Web.PluginManager')
+        self.config = ConfigManager('web.conf')
+        PluginManagerBase.__init__(self, 'web.conf', 'deluge.plugin.web')
+
+        client.register_event_handler(
+            'PluginEnabledEvent', self._on_plugin_enabled_event
+        )
+        client.register_event_handler(
+            'PluginDisabledEvent', self._on_plugin_disabled_event
+        )
+
+    def _on_get_enabled_plugins(self, plugins):
+        for plugin in plugins:
+            self.enable_plugin(plugin)
+
+    def _on_plugin_enabled_event(self, name):
+        self.enable_plugin(name)
+
+    def _on_plugin_disabled_event(self, name):
+        self.disable_plugin(name)
+
+    def disable_plugin(self, name):
+        # Get the plugin instance
+        try:
+            plugin = component.get('WebPlugin.' + name)
+        except KeyError:
+            log.debug(
+                '%s plugin contains no WebUI code, ignoring WebUI disable call.', name
+            )
+            return
+
+        info = gather_info(plugin)
+
+        scripts = component.get('Scripts')
+        for script in info['scripts']:
+            scripts.remove_script(f'{name.lower()}/{os.path.basename(script).lower()}')
+
+        for script in info['debug_scripts']:
+            scripts.remove_script(
+                f'{name.lower()}/{os.path.basename(script).lower()}', 'debug'
+            )
+            scripts.remove_script(
+                f'{name.lower()}/{os.path.basename(script).lower()}', 'dev'
+            )
+
+        super().disable_plugin(name)
+
+    def enable_plugin(self, name):
+        super().enable_plugin(name)
+
+        # Get the plugin instance
+        try:
+            plugin = component.get('WebPlugin.' + name)
+        except KeyError:
+            log.info(
+                '%s plugin contains no WebUI code, ignoring WebUI enable call.', name
+            )
+            return
+
+        info = gather_info(plugin)
+
+        scripts = component.get('Scripts')
+        for script in info['scripts']:
+            log.debug('adding script %s for %s', name, os.path.basename(script))
+            scripts.add_script(f'{name.lower()}/{os.path.basename(script)}', script)
+
+        for script in info['debug_scripts']:
+            log.debug('adding debug script %s for %s', name, os.path.basename(script))
+            scripts.add_script(
+                f'{name.lower()}/{os.path.basename(script)}', script, 'debug'
+            )
+            scripts.add_script(
+                f'{name.lower()}/{os.path.basename(script)}', script, 'dev'
+            )
+
+    def start(self):
+        """
+        Start up the plugin manager
+        """
+        # Update the enabled plugins from the core
+        d = client.core.get_enabled_plugins()
+        d.addCallback(self._on_get_enabled_plugins)
+
+    def stop(self):
+        """
+        Stop the plugin manager
+        """
+        self.disable_plugins()
+        client.deregister_event_handler(
+            'PluginEnabledEvent', self._on_plugin_enabled_event
+        )
+        client.deregister_event_handler(
+            'PluginDisabledEvent', self._on_plugin_disabled_event
+        )
+
+    def update(self):
+        pass
+
+    def get_plugin_resources(self, name):
+        # Get the plugin instance
+        try:
+            plugin = component.get('WebPlugin.' + name)
+        except KeyError:
+            log.info('Plugin has no web ui')
+            return
+        info = gather_info(plugin)
+        info['name'] = name
+        info['scripts'] = [
+            f'js/{name.lower()}/{os.path.basename(s)}' for s in info['scripts']
+        ]
+        info['debug_scripts'] = [
+            f'js/{name.lower()}/{os.path.basename(s)}' for s in info['debug_scripts']
+        ]
+        del info['script_directories']
+        return info