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import logging
import os
import sys
from os.path import exists
from importlib import import_module
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QApplication, QDialog, QHBoxLayout, QLabel, QListWidget, QListWidgetItem, QVBoxLayout
from configobj import ConfigObj
from .constants import (FUNCTIONS, TAGSOURCE, SAVEDIR, PLUGINDIR,
DIALOGS, MUSICLIBS, MODULES, FUNCTIONS_NO_PREVIEW)
from .puddleobjects import PuddleConfig, winsettings
from .translations import translate
NAME = 'name'
AUTHOR = 'author'
DESC = 'description'
PT_VERSION = 'puddletag_version'
VERSION = 'version'
INFO_SECTION = 'info'
MODULE_NAME = 'module'
PLUGIN_DIRS = [PLUGINDIR,
os.path.join(os.path.dirname(__file__), 'plugins')]
PROPERTIES = [NAME, AUTHOR, DESC, PT_VERSION, VERSION]
def get_plugins(plugindir):
if not os.path.exists(plugindir):
os.makedirs(plugindir)
infos = []
for module in os.listdir(plugindir):
info_path = os.path.join(plugindir, module, 'info')
if not exists(info_path):
continue
config_data = dict(ConfigObj(info_path))
values = [config_data.get(INFO_SECTION, {}).get(prop, '') for prop in PROPERTIES]
if len([_f for _f in values if _f]) < len(PROPERTIES):
continue
d = dict(list(zip(PROPERTIES, values)))
d[MODULE_NAME] = module
infos.append(d)
return infos
def load_plugins(plugins=None, parent=None):
[sys.path.insert(0, d) for d in PLUGIN_DIRS]
cparser = PuddleConfig()
to_load = cparser.get('plugins', 'to_load', [])
functions = {}
tagsources = []
dialogs = []
musiclibs = []
modules = []
functions_no_preview = []
join = os.path.join
if plugins is None:
plugins = []
[plugins.extend(get_plugins(d)) for d in PLUGIN_DIRS]
plugins.sort(key=lambda d: d.get(NAME, ''))
plugin_actions = {
'functions': functions.update,
'functions_no_preview': functions_no_preview.extend,
'tagsources': tagsources.extend,
'dialogs': dialogs.extend,
'musiclibs': musiclibs.extend
}
for plugin in plugins:
if plugin[MODULE_NAME] in to_load:
try:
module = import_module('puddlestuff.plugins.' + plugin[MODULE_NAME])
for attribute, action in plugin_actions.items():
if hasattr(module, attribute):
action(getattr(module, attribute))
modules.append(module)
except Exception as e:
logging.exception(f"Failed to load plugin {plugin[NAME]}; error={e}")
for d in PLUGIN_DIRS:
del (sys.path[0])
return {FUNCTIONS: functions, TAGSOURCE: tagsources, DIALOGS: dialogs,
MUSICLIBS: musiclibs, MODULES: modules, FUNCTIONS_NO_PREVIEW: functions_no_preview}
class InfoWidget(QLabel):
def __init__(self, info=None, parent=None):
super(InfoWidget, self).__init__(parent)
self.setAlignment(Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignTop)
self.setWordWrap(True)
if info:
self.changeInfo(info)
def changeInfo(self, info):
labels = [translate('Plugin Settings', 'Name'),
translate('Plugin Settings', 'Author'),
translate('Plugin Settings', 'Description'),
translate('Plugin Settings', 'Version')]
properties = [NAME, AUTHOR, DESC, VERSION]
text = '<br />'.join(['<b>%s:</b> %s' % (disp, info[prop]) for
disp, prop in zip(labels, properties)])
self.setText(text)
class PluginConfig(QDialog):
def __init__(self, parent=None):
super(PluginConfig, self).__init__(parent)
winsettings('pluginconfig', self)
self._listbox = QListWidget()
info_display = InfoWidget()
hbox = QHBoxLayout()
hbox.addWidget(self._listbox, 0)
hbox.addWidget(info_display, 1)
vbox = QVBoxLayout()
vbox.addLayout(hbox)
vbox.addWidget(
QLabel(translate("Plugin Settings",
'<b>Loading/unloading plugins requires a restart.</b>')))
self.setLayout(vbox)
plugins = []
[plugins.extend(get_plugins(d)) for d in PLUGIN_DIRS]
cparser = PuddleConfig()
to_load = cparser.get('plugins', 'to_load', [])
plugins.sort(key=lambda d: d.get(NAME, ''))
for plugin in plugins:
item = QListWidgetItem()
item.setText(plugin[NAME])
if plugin[MODULE_NAME] in to_load:
item.setCheckState(Qt.CheckState.Checked)
else:
item.setCheckState(Qt.CheckState.Unchecked)
item.plugin = plugin
self._listbox.addItem(item)
self._listbox.currentItemChanged.connect(
lambda item, previous: info_display.changeInfo(item.plugin))
def get_to_load(self):
to_load = []
for row in range(self._listbox.count()):
item = self._listbox.item(row)
if item.checkState() == Qt.CheckState.Checked:
to_load.append(item.plugin[MODULE_NAME])
return to_load
def applySettings(self, control=None):
to_load = self.get_to_load()
cparser = PuddleConfig()
cparser.set('plugins', 'to_load', to_load)
if __name__ == '__main__':
app = QApplication([])
win = PluginConfig()
win.show()
app.exec_()
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