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-rw-r--r--portato/gui/windows/main.py3
-rw-r--r--portato/plugin.py60
2 files changed, 49 insertions, 14 deletions
diff --git a/portato/gui/windows/main.py b/portato/gui/windows/main.py
index b4e6353..479274d 100644
--- a/portato/gui/windows/main.py
+++ b/portato/gui/windows/main.py
@@ -1082,6 +1082,9 @@ class MainWindow (Window):
def save_plugin (p):
def _save ():
+ if p.status == p.STAT_HARD_DISABLED:
+ return ""
+
return int(p.status >= p.STAT_ENABLED)
return _save
diff --git a/portato/plugin.py b/portato/plugin.py
index 7b8a493..ada7a0f 100644
--- a/portato/plugin.py
+++ b/portato/plugin.py
@@ -19,6 +19,7 @@ from functools import wraps
from .helper import debug, warning, info, error
from .constants import PLUGIN_DIR
+from .backend import system
from . import plugins as plugin_module
class PluginLoadException (Exception):
@@ -52,11 +53,30 @@ class Hook (object):
class Plugin (object):
(STAT_DISABLED, STAT_TEMP_ENABLED, STAT_ENABLED, STAT_TEMP_DISABLED) = range(4)
+ STAT_HARD_DISABLED = -1
- def __init__ (self):
+ def __init__ (self, disable = False):
self.__menus = []
self.__calls = []
- self.status = self.STAT_ENABLED
+ self._unresolved_deps = False
+
+ if not disable:
+ self.status = self.STAT_ENABLED
+ else:
+ self.status = self.STAT_HARD_DISABLED
+
+ def _init (self):
+
+ for d in self.deps:
+ if not system.find_packages(d, pkgSet="installed", with_version = False):
+ self._unresolved_deps = True
+ break
+
+ if self.status != self.STAT_HARD_DISABLED and not self._unresolved_deps:
+ self.init()
+
+ def init (self):
+ pass
@property
def author (self):
@@ -140,8 +160,28 @@ class PluginQueue (object):
self._organize()
- def add (self, plugin):
- self.plugins.append(plugin)
+ def add (self, plugin, disable = False):
+ if callable(plugin) and Plugin in plugin.__bases__:
+ p = plugin(disable = disable) # need an instance and not the class
+ elif isinstance(plugin, Plugin):
+ p = plugin
+ if disable:
+ p.status = p.STAT_HARD_DISABLED
+ else:
+ raise PluginLoadException, "Is neither a subclass nor an instance of Plugin."
+
+ p._init()
+
+ self.plugins.append(p)
+
+ if p.status == p.STAT_HARD_DISABLED:
+ msg = _("Plugin is disabled!")
+ elif p._unresolved_deps:
+ msg = _("Plugin has unresolved dependencies - disabled!")
+ else:
+ msg = ""
+
+ info("%s %s", _("Plugin '%s' loaded.") % p.name, msg)
def hook (self, hook, *hargs, **hkwargs):
@@ -298,14 +338,6 @@ def hook(hook, *args, **kwargs):
else:
return __plugins.hook(hook, *args, **kwargs)
-def register (plugin):
+def register (plugin, disable = False):
if __plugins is not None:
- if callable(plugin) and Plugin in plugin.__bases__:
- p = plugin() # need an instance and not the class
- elif isinstance(plugin, Plugin):
- p = plugin
- else:
- raise PluginLoadException, "Is neither a subclass nor an instance of Plugin."
-
- info(_("Plugin '%s' loaded."), p.name)
- __plugins.add(p)
+ __plugins.add(plugin, disable)