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-rw-r--r--src/core.py33
-rw-r--r--src/data_forms.py33
-rw-r--r--src/plugin.py55
-rw-r--r--src/plugin_manager.py116
4 files changed, 233 insertions, 4 deletions
diff --git a/src/core.py b/src/core.py
index 67e7bbe8..88c926a9 100644
--- a/src/core.py
+++ b/src/core.py
@@ -36,6 +36,8 @@ import windows
import connection
import timed_events
+from plugin_manager import PluginManager
+
from data_forms import DataFormsTab
from config import config, options
from logger import logger
@@ -102,6 +104,7 @@ class Core(object):
# a completion function, taking a Input as argument. Can be None)
# The completion function should return True if a completion was
# made ; False otherwise
+ self.plugin_manager = PluginManager(self)
self.commands = {
'help': (self.command_help, '\_o< KOIN KOIN KOIN', self.completion_help),
'join': (self.command_join, _("Usage: /join [room_name][@server][/nick] [password]\nJoin: Join the specified room. You can specify a nickname after a slash (/). If no nickname is specified, you will use the default_nick in the configuration file. You can omit the room name: you will then join the room you\'re looking at (useful if you were kicked). You can also provide a room_name without specifying a server, the server of the room you're currently in will be used. You can also provide a password to join the room.\nExamples:\n/join room@server.tld\n/join room@server.tld/John\n/join room2\n/join /me_again\n/join\n/join room@server.tld/my_nick password\n/join / password"), self.completion_join),
@@ -126,6 +129,8 @@ class Core(object):
'server_cycle': (self.command_server_cycle, _('Usage: /server_cycle [domain] [message]\nServer Cycle: disconnect and reconnects in all the rooms in domain.'), None),
'bind': (self.command_bind, _('Usage: /bind <key> <equ>\nBind: bind a key to an other key or to a “command”. For example "/bind ^H KEY_UP" makes Control + h do the same same than the Up key.'), None),
'pubsub': (self.command_pubsub, _('Usage: /pubsub <domain>\nPubsub: Open a pubsub browser on the given domain'), None),
+ 'load': (self.command_load, _('Usage: /load <script.py>\nLoad: Load the specified python script'), self.plugin_manager.completion_load),
+ 'unload': (self.command_unload, _('Usage: /unload <script.py>\nUnload: Unload the specified python script'), self.plugin_manager.completion_unload),
}
self.key_func = {
@@ -170,6 +175,12 @@ class Core(object):
self.xmpp.add_event_handler("chatstate_inactive", self.on_chatstate_inactive)
self.timed_events = set()
+ self.autoload_plugins()
+
+ def autoload_plugins(self):
+ plugins = config.get('plugins_autoload', '')
+ for plugin in plugins.split():
+ self.plugin_manager.load(plugin)
def coucou(self):
self.command_pubsub('pubsub.louiz.org')
@@ -1124,6 +1135,28 @@ class Core(object):
def completion_status(self, the_input):
return the_input.auto_completion([status for status in possible_show], ' ')
+ def command_load(self, arg):
+ """
+ /load <script.py>
+ """
+ args = arg.split()
+ if len(args) != 1:
+ self.command_help('load')
+ return
+ filename = args[0]
+ self.plugin_manager.load(filename)
+
+ def command_unload(self, arg):
+ """
+ /unload <script.py>
+ """
+ args = arg.split()
+ if len(args) != 1:
+ self.command_help('unload')
+ return
+ filename = args[0]
+ self.plugin_manager.unload(filename)
+
def command_message(self, arg):
"""
/message <jid> [message]
diff --git a/src/data_forms.py b/src/data_forms.py
index 176c4669..9510bdf8 100644
--- a/src/data_forms.py
+++ b/src/data_forms.py
@@ -32,7 +32,6 @@ class DataFormsTab(Tab):
for field in self._form:
self.fields.append(field)
self.topic_win = windows.Topic()
- self.tab_win = windows.GlobalInfoBar()
self.form_win = FormWin(form, self.height-4, self.width, 1, 0)
self.help_win = windows.HelpText("Ctrl+Y: send form, Ctrl+G: cancel")
self.help_win_dyn = windows.HelpText()
@@ -131,6 +130,26 @@ class DummyInput(FieldInput, windows.Win):
def is_dummy(self):
return True
+class ColoredLabel(windows.Win):
+ def __init__(self, text):
+ self.text = text
+ self.color = 14
+ windows.Win.__init__(self)
+
+ def resize(self, height, width, y, x):
+ self._resize(height, width, y, x)
+
+ def set_color(self, color):
+ self.color = color
+ self.refresh()
+
+ def refresh(self):
+ with g_lock:
+ self._win.attron(curses.color_pair(self.color))
+ self.addstr(0, 0, self.text)
+ self._win.attroff(curses.color_pair(self.color))
+ self._refresh()
+
class BooleanWin(FieldInput, windows.Win):
def __init__(self, field):
FieldInput.__init__(self, field)
@@ -399,7 +418,7 @@ class FormWin(object):
if field['type'] == 'fixed':
label = field.getValue()
inp = input_class(field)
- self.inputs.append({'label':label,
+ self.inputs.append({'label':ColoredLabel(label),
'description': desc,
'input':inp})
@@ -428,6 +447,7 @@ class FormWin(object):
return
if self.current_input == len(self.inputs) - 1 or self.current_input >= self.height-1:
return
+ self.inputs[self.current_input]['label'].set_color(14)
self.inputs[self.current_input]['input'].set_color(14)
self.current_input += 1
jump = 0
@@ -436,6 +456,7 @@ class FormWin(object):
if self.inputs[self.current_input+jump]['input'].is_dummy():
return
self.current_input += jump
+ self.inputs[self.current_input]['label'].set_color(13)
self.inputs[self.current_input]['input'].set_color(13)
def go_to_previous_input(self):
@@ -443,6 +464,7 @@ class FormWin(object):
return
if self.current_input == 0:
return
+ self.inputs[self.current_input]['label'].set_color(14)
self.inputs[self.current_input]['input'].set_color(14)
self.current_input -= 1
jump = 0
@@ -451,6 +473,7 @@ class FormWin(object):
if self.inputs[self.current_input+jump]['input'].is_dummy():
return
self.current_input -= jump
+ self.inputs[self.current_input]['label'].set_color(13)
self.inputs[self.current_input]['input'].set_color(13)
def on_input(self, key):
@@ -466,8 +489,7 @@ class FormWin(object):
for name, field in self._form.getFields():
if field['type'] == 'hidden':
continue
- label = self.inputs[i]['label']
- self._win.addstr(y, 0, label)
+ self.inputs[i]['label'].resize(1, self.width//3, y + 1, 0)
self.inputs[i]['input'].resize(1, self.width//3, y+1, 2*self.width//3)
# TODO: display the field description
y += 1
@@ -478,10 +500,13 @@ class FormWin(object):
for i, inp in enumerate(self.inputs):
if i >= self.height:
break
+ inp['label'].refresh()
inp['input'].refresh()
if self.current_input < self.height-1:
self.inputs[self.current_input]['input'].set_color(13)
self.inputs[self.current_input]['input'].refresh()
+ self.inputs[self.current_input]['label'].set_color(13)
+ self.inputs[self.current_input]['label'].refresh()
def refresh_current_input(self):
self.inputs[self.current_input]['input'].refresh()
diff --git a/src/plugin.py b/src/plugin.py
new file mode 100644
index 00000000..d64679a1
--- /dev/null
+++ b/src/plugin.py
@@ -0,0 +1,55 @@
+import os
+from configparser import ConfigParser
+
+class PluginConfig(ConfigParser):
+ def __init__(self, filename):
+ ConfigParser.__init__(self)
+ self.__config_file__ = filename
+ self.read()
+
+ def read(self):
+ """Read the config file"""
+ ConfigParser.read(self, self.__config_file__)
+
+ def write(self):
+ """Write the config to the disk"""
+ try:
+ fp = open(self.__config_file__, 'w')
+ ConfigParser.write(self, fp)
+ fp.close()
+ return True
+ except IOError:
+ return False
+
+class BasePlugin(object):
+ """
+ Class that all plugins derive from. Any methods beginning with command_
+ are interpreted as a command and beginning with on_ are interpreted as
+ event handlers
+ """
+
+ def __init__(self, plugin_manager, core, plugins_conf_dir):
+ self.core = core
+ self.plugin_manager = plugin_manager
+ conf = os.path.join(plugins_conf_dir, self.__module__+'.cfg')
+ self.config = PluginConfig(conf)
+ self.init()
+
+ def init(self):
+ pass
+
+ def cleanup(self):
+ pass
+
+ def unload(self):
+
+ self.cleanup()
+
+ def add_command(self, name, handler, help, completion=None):
+ return self.plugin_manager.add_command(self.__module__, name, handler, help, completion)
+
+ def add_event_handler(self, event_name, handler):
+ return self.plugin_manager.add_event_handler(self.__module__, event_name, handler)
+
+ def del_event_handler(self, event_name, handler):
+ return self.plugin_manager.del_event_handler(self.__module__, event_name, handler)
diff --git a/src/plugin_manager.py b/src/plugin_manager.py
new file mode 100644
index 00000000..1f0e89eb
--- /dev/null
+++ b/src/plugin_manager.py
@@ -0,0 +1,116 @@
+import imp
+import os
+import sys
+from config import config
+from gettext import gettext as _
+
+plugins_dir = config.get('plugins_dir', '')
+plugins_dir = plugins_dir or\
+ os.path.join(os.environ.get('XDG_DATA_HOME') or\
+ os.path.join(os.environ.get('HOME'), '.local', 'share'),
+ 'poezio', 'plugins')
+
+config_home = os.environ.get("XDG_CONFIG_HOME")
+if not config_home:
+ config_home = os.path.join(os.environ.get('HOME'), '.config')
+plugins_conf_dir = os.path.join(config_home, 'poezio', 'plugins')
+
+try:
+ os.makedirs(plugins_dir)
+except OSError:
+ pass
+
+try:
+ os.makedirs(plugins_conf_dir)
+except OSError:
+ pass
+
+sys.path.append(plugins_dir)
+
+class PluginManager(object):
+ def __init__(self, core):
+ self.core = core
+ self.modules = {} # module name -> module object
+ self.plugins = {} # module name -> plugin object
+ self.commands = {} # module name -> dict of commands loaded for the module
+ self.event_handlers = {} # module name -> list of event_name/handler pairs loaded for the module
+
+ def load(self, name):
+ if name in self.plugins:
+ self.plugins[name].unload()
+
+ try:
+ if name in self.modules:
+ imp.acquire_lock()
+ module = imp.reload(self.modules[name])
+ imp.release_lock()
+ else:
+ file, filename, info = imp.find_module(name, [plugins_dir])
+ imp.acquire_lock()
+ module = imp.load_module(name, file, filename, info)
+ imp.release_lock()
+ except Exception as e:
+ import traceback
+ self.core.information(_("Could not load plugin: ") + traceback.format_exc(), 'Error')
+ return
+ finally:
+ if imp.lock_held():
+ imp.release_lock()
+
+ self.modules[name] = module
+ self.commands[name] = {}
+ self.event_handlers[name] = []
+ self.plugins[name] = module.Plugin(self, self.core, plugins_conf_dir)
+
+ def unload(self, name):
+ if name in self.plugins:
+ try:
+ for command in self.commands[name].keys():
+ del self.core.commands[command]
+ for event_name, handler in self.event_handlers[name]:
+ self.core.xmpp.del_event_handler(event_name, handler)
+
+ self.plugins[name].unload()
+ del self.plugins[name]
+ del self.commands[name]
+ del self.event_handlers[name]
+ except Exception as e:
+ import traceback
+ self.core.information(_("Could not unload plugin (may not be safe to try again): ") + traceback.format_exc())
+
+ def add_command(self, module_name, name, handler, help, completion=None):
+ if name in self.core.commands:
+ raise Exception(_("Command '%s' already exists") % (name,))
+
+ commands = self.commands[module_name]
+ commands[name] = (handler, help, completion)
+ self.core.commands[name] = (handler, help, completion)
+
+ def add_event_handler(self, module_name, event_name, handler):
+ eh = self.event_handlers[module_name]
+ eh.append((event_name, handler))
+ self.core.xmpp.add_event_handler(event_name, handler)
+
+ def del_event_handler(self, module_name, event_name, handler):
+ self.core.xmpp.del_event_handler(event_name, handler)
+ eh = self.event_handlers[module_name]
+ eh = list(filter(lambda e : e != (event_name, handler), eh))
+
+ def completion_load(self, the_input):
+ """
+ completion function that completes the name of the plugins, from
+ all .py files in plugins_dir
+ """
+ try:
+ names = os.listdir(plugins_dir)
+ except OSError as e:
+ self.core.information(_('Completion failed: %s' % e), 'Error')
+ return
+ plugins_files = [name[:-3] for name in names if name.endswith('.py')]
+ return the_input.auto_completion(plugins_files, '')
+
+ def completion_unload(self, the_input):
+ """
+ completion function that completes the name of the plugins that are loaded
+ """
+ return the_input.auto_completion(list(self.plugins.keys()), '')