1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
import imp
import os
import sys
import tabs
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')
plugins_dir = os.path.expanduser(plugins_dir)
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
self.tab_commands = {} #module name -> dict of tab types; tab type -> commands loaded by the module
self.keys = {} # module name → dict of keys/handlers loaded for the module
self.tab_keys = {} #module name → dict of tab types; tab type → list of keybinds (tuples)
def load(self, name, notify=True):
if name in self.plugins:
self.unload(name)
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.keys[name] = {}
self.tab_keys[name] = {}
self.tab_commands[name] = {}
self.event_handlers[name] = []
self.plugins[name] = module.Plugin(self, self.core, plugins_conf_dir)
if notify:
self.core.information('Plugin %s loaded' % name, 'Info')
def unload(self, name, notify=True):
if name in self.plugins:
try:
for command in self.commands[name].keys():
del self.core.commands[command]
for key in self.keys[name].keys():
del self.core.key_func[key]
for tab in list(self.tab_commands[name].keys()):
for command in self.tab_commands[name][tab]:
self.del_tab_command(name, getattr(tabs, tab), command[0])
del self.tab_commands[name][tab]
for tab in list(self.tab_keys[name].keys()):
for key in self.tab_keys[name][tab]:
self.del_tab_key(name, getattr(tabs, tab), key[0])
del self.tab_keys[name][tab]
for event_name, handler in self.event_handlers[name]:
self.del_event_handler(name, event_name, handler)
self.plugins[name].unload()
del self.plugins[name]
del self.commands[name]
del self.keys[name]
del self.tab_commands[name]
del self.event_handlers[name]
if notify:
self.core.information('Plugin %s unloaded' % name, 'Info')
except Exception as e:
import traceback
self.core.information(_("Could not unload plugin (may not be safe to try again): ") + traceback.format_exc())
def del_command(self, module_name, name):
if name in self.commands[module_name]:
del self.commands[module_name][name]
if name in self.core.commands:
del self.core.commands[name]
def add_tab_command(self, module_name, tab_type, name, handler, help, completion=None):
commands = self.tab_commands[module_name]
t = tab_type.__name__
if name in tab_type.plugin_commands:
return
if not t in commands:
commands[t] = []
commands[t].append((name, handler, help, completion))
tab_type.plugin_commands[name] = (handler, help, completion)
for tab in self.core.tabs:
if isinstance(tab, tab_type):
tab.update_commands()
def del_tab_command(self, module_name, tab_type, name):
commands = self.tab_commands[module_name]
t = tab_type.__name__
if not t in commands:
return
for command in commands[t]:
if command[0] == name:
commands[t].remove(command)
del tab_type.plugin_commands[name]
for tab in self.core.tabs:
if isinstance(tab, tab_type) and name in tab.commands:
del tab.commands[name]
def add_tab_key(self, module_name, tab_type, key, handler):
keys = self.tab_keys[module_name]
t = tab_type.__name__
if key in tab_type.plugin_keys:
return
if not t in keys:
keys[t] = []
keys[t].append((key, handler))
tab_type.plugin_keys[key] = handler
for tab in self.core.tabs:
if isinstance(tab, tab_type):
tab.update_keys()
def del_tab_key(self, module_name, tab_type, key):
keys = self.tab_keys[module_name]
t = tab_type.__name__
if not t in keys:
return
for _key in keys[t]:
if _key[0] == key:
keys[t].remove(_key)
del tab_type.plugin_keys[key]
for tab in self.core.tabs:
if isinstance(tab, tab_type) and key in tab.key_func:
del tab.key_func[key]
def add_key(self, module_name, key, handler):
if key in self.core.key_func:
raise Exception(_("Key '%s' already exists") % (key,))
keys = self.keys[module_name]
keys[key] = handler
self.core.key_func[key] = handler
def del_key(self, module_name, key):
if key in self.keys[module_name]:
del self.keys[module_name][key]
if key in self.core.key_func:
del self.core.commands[key]
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, position=0):
eh = self.event_handlers[module_name]
eh.append((event_name, handler))
if event_name in self.core.events.events:
self.core.events.add_event_handler(event_name, handler, position)
else:
self.core.xmpp.add_event_handler(event_name, handler)
def del_event_handler(self, module_name, event_name, handler):
if event_name in self.core.events.events:
self.core.events.del_event_handler(None, handler)
else:
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()), '')
|
