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
|
#!/usr/bin/env python -tt
#
# Copyright (c) 2011 Intel, Inc.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; version 2 of the License
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc., 59
# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
import os
import logging
from importlib.machinery import SourceFileLoader
from wic import pluginbase, WicError
from wic.utils.misc import get_bitbake_var
PLUGIN_TYPES = ["imager", "source"]
SCRIPTS_PLUGIN_DIR = "scripts/lib/wic/plugins"
logger = logging.getLogger('wic')
class PluginMgr:
_plugin_dirs = []
_loaded = []
@classmethod
def get_plugins(cls, ptype):
"""Get dictionary of <plugin_name>:<class> pairs."""
if ptype not in PLUGIN_TYPES:
raise WicError('%s is not valid plugin type' % ptype)
# collect plugin directories
if not cls._plugin_dirs:
cls._plugin_dirs = [os.path.join(os.path.dirname(__file__), 'plugins')]
layers = get_bitbake_var("BBLAYERS") or ''
for layer_path in layers.split():
path = os.path.join(layer_path, SCRIPTS_PLUGIN_DIR)
path = os.path.abspath(os.path.expanduser(path))
if path not in cls._plugin_dirs and os.path.isdir(path):
cls._plugin_dirs.insert(0, path)
# load plugins
for pdir in cls._plugin_dirs:
ppath = os.path.join(pdir, ptype)
if ppath not in cls._loaded:
if os.path.isdir(ppath):
for fname in os.listdir(ppath):
if fname.endswith('.py'):
mname = fname[:-3]
mpath = os.path.join(ppath, fname)
SourceFileLoader(mname, mpath).load_module()
cls._loaded.append(ppath)
return pluginbase.get_plugins(ptype)
|
