Switch the plugin prefs pane back to live loading/unloading of plugins without silly compromises
This commit is contained in:
Chris Jones
parent
70a66ee218
commit
45a9c26cf2
@ -28,16 +28,20 @@ import os
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import borg
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from config import Config
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from util import dbg, err, get_config_dir
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from terminator import Terminator
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class Plugin(object):
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"""Definition of our base plugin class"""
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capabilities = None
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is_permanent = None
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def __init__(self):
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"""Class initialiser."""
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pass
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def unload(self):
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"""Prepare to be unloaded"""
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pass
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class PluginRegistry(borg.Borg):
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"""Definition of a class to store plugin instances"""
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available_plugins = None
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@ -128,29 +132,18 @@ for %s' % (len(self.instances), capability))
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not"""
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return(self.instances.has_key(plugin))
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def is_permanent(self, plugin):
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"""Return a boolean value indicating whether a plugin is believed to be
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permanent. This is impossible to determine for plugins that haven't
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been loaded, so they will report as not being permanent until they are
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loaded"""
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if plugin not in self.instances:
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return(False)
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else:
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return(self.instances[plugin].is_permanent)
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def enable(self, plugin):
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"""Enable a plugin"""
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if plugin in self.instances:
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err("Cannot enable plugin %s, already enabled" % plugin)
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dbg("Enabling %s" % plugin)
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if plugin not in self.instances:
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self.instances[plugin] = self.available_plugins[plugin]()
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self.instances[plugin] = self.available_plugins[plugin]()
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def disable(self, plugin):
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"""Disable a plugin"""
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if self.instances[plugin].is_permanent:
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dbg("Refusing to disable permanent plugin %s" % plugin)
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else:
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dbg("Disabling %s" % plugin)
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del(self.instances[plugin])
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dbg("Disabling %s" % plugin)
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self.instances[plugin].unload()
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del(self.instances[plugin])
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# This is where we should define a base class for each type of plugin we
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# support
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@ -162,12 +155,28 @@ class URLHandler(Plugin):
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capabilities = ['url_handler']
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handler_name = None
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match = None
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is_permanent = True
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def __init__(self):
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"""Class initialiser"""
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Plugin.__init__(self)
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terminator = Terminator()
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for terminal in terminator.terminals:
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terminal.match_add(self.handler_name, self.match)
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def callback(self, url):
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"""Callback to transform the enclosed URL"""
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raise NotImplementedError
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def unload(self):
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"""Handle being removed"""
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if not self.match:
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err('unload called without self.handler_name being set')
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return
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terminator = Terminator()
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for terminal in terminator.terminals:
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print self.handler_name
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terminal.match_remove(self.handler_name)
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# MenuItem - This is able to execute code during the construction of the
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# context menu of a Terminal.
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class MenuItem(Plugin):
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@ -2865,51 +2865,32 @@
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<object class="GtkHBox" id="hbox7">
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<property name="visible">True</property>
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<child>
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<object class="GtkVBox" id="vbox12">
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<object class="GtkTreeView" id="pluginlist">
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<property name="visible">True</property>
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<property name="can_focus">True</property>
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<property name="model">PluginListStore</property>
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<property name="hadjustment">adjustment2</property>
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<property name="vadjustment">adjustment3</property>
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<property name="search_column">0</property>
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<child>
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<object class="GtkTreeView" id="pluginlist">
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<property name="visible">True</property>
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<property name="can_focus">True</property>
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<property name="model">PluginListStore</property>
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<property name="hadjustment">adjustment2</property>
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<property name="vadjustment">adjustment3</property>
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<property name="search_column">0</property>
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<object class="GtkTreeViewColumn" id="plugincolumn1">
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<property name="title">Plugin</property>
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<property name="clickable">True</property>
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<child>
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<object class="GtkTreeViewColumn" id="plugincolumn1">
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<property name="title">Plugin</property>
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<property name="clickable">True</property>
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<child>
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<object class="GtkCellRendererToggle" id="cellrenderertext15">
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<signal name="toggled" handler="on_plugin_toggled"/>
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</object>
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<attributes>
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<attribute name="active">1</attribute>
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</attributes>
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</child>
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<child>
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<object class="GtkCellRendererText" id="cellrenderertext16"/>
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<attributes>
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<attribute name="text">0</attribute>
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</attributes>
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</child>
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<object class="GtkCellRendererToggle" id="cellrenderertext15">
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<signal name="toggled" handler="on_plugin_toggled"/>
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</object>
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<attributes>
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<attribute name="active">1</attribute>
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</attributes>
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</child>
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<child>
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<object class="GtkCellRendererText" id="cellrenderertext16"/>
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<attributes>
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<attribute name="text">0</attribute>
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</attributes>
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</child>
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</object>
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<packing>
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<property name="position">0</property>
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</packing>
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</child>
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<child>
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<object class="GtkLabel" id="label13">
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<property name="visible">True</property>
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<property name="label" translatable="yes">Plugins will be enabled/disabled after restarting Terminator</property>
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</object>
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<packing>
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<property name="expand">False</property>
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<property name="fill">False</property>
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<property name="position">1</property>
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</packing>
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</child>
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</object>
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<packing>
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@ -1025,6 +1025,13 @@ class PrefsEditor:
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model = treeview.get_model()
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plugin = model[path][0]
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if not self.plugins[plugin]:
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# Plugin is currently disabled, load it
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self.registry.enable(plugin)
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else:
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# Plugin is currently enabled, unload it
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self.registry.disable(plugin)
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self.plugins[plugin] = not self.plugins[plugin]
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# Update the treeview
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model[path][1] = self.plugins[plugin]
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@ -268,12 +268,31 @@ class Terminal(gtk.VBox):
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for urlplugin in plugins:
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name = urlplugin.handler_name
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match = urlplugin.match
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if name in self.matches:
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dbg('Terminal::update_matches: refusing to add \
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duplicate match %s' % name)
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continue
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self.matches[name] = self.vte.match_add(match)
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dbg('Terminal::update_matches: added plugin URL handler \
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for %s (%s)' % (name, urlplugin.__class__.__name__))
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except Exception, ex:
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err('Terminal::update_url_matches: %s' % ex)
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def match_add(self, name, match):
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"""Register a URL match"""
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if name in self.matches:
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err('Terminal::match_add: Refusing to create duplicate match %s' % name)
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return
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self.matches[name] = self.vte.match_add(match)
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def match_remove(self, name):
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"""Remove a previously registered URL match"""
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if name not in self.matches:
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err('Terminal::match_remove: Unable to remove non-existent match %s' % name)
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return
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self.vte.match_remove(self.matches[name])
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del(self.matches[name])
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def connect_signals(self):
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"""Connect all the gtk signals and drag-n-drop mechanics"""
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