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import sys
import re
__export__ = ['set_mode', 'get_mode']
UZBLS = {}
DEFAULTS = {
'mode': '',
'modes': {
'insert': {
'forward_keys': True,
'keycmd_events': False,
'modcmd_updates': False,
'indicator': 'I'},
'command': {
'forward_keys': False,
'keycmd_events': True,
'modcmd_updates': True,
'indicator': 'C'}}}
FINDSPACES = re.compile("\s+")
VALID_KEY = re.compile("^[\w_]+$").match
def error(msg):
sys.stderr.write("mode plugin: error: %s\n" % msg)
def add_instance(uzbl, *args):
UZBLS[uzbl] = dict(DEFAULTS)
def del_instance(uzbl, *args):
if uzbl in UZBLS:
del UZBLS[uzbl]
def get_mode_dict(uzbl):
if uzbl not in UZBLS:
add_instance(uzbl)
return UZBLS[uzbl]
def get_mode_config(uzbl, mode):
modes = get_mode_dict(uzbl)['modes']
if mode not in modes:
modes[mode] = {}
return modes[mode]
def get_mode(uzbl):
return get_mode_dict(uzbl)['mode']
def set_mode(uzbl, mode=None):
mode_dict = get_mode_dict(uzbl)
config = uzbl.get_config()
if mode is None:
if 'default_mode' not in config:
return
mode = config['default_mode']
if not VALID_KEY(mode):
raise KeyError("invalid mode name: %r" % mode)
if 'mode' not in config or config['mode'] != mode:
config['mode'] = mode
return
mode_dict['mode'] = mode
mode_config = get_mode_config(uzbl, mode)
for (key, value) in mode_config.items():
if key not in config:
config[key] = value
elif config[key] != value:
config[key] = value
if 'mode_indicator' not in mode_config:
config['mode_indicator'] = mode
uzbl.clear_keycmd()
uzbl.event("MODE_CHANGED", mode)
def config_changed(uzbl, key, value):
value = None if not value else value
if key == 'default_mode':
if not get_mode(uzbl):
set_mode(uzbl, value)
elif key == 'mode':
set_mode(uzbl, value)
def mode_config(uzbl, args):
split = map(unicode.strip, FINDSPACES.split(args.lstrip(), 1))
if len(split) != 2:
raise SyntaxError('invalid config syntax: %r' % args)
mode, set = split
split = map(unicode.strip, set.split('=', 1))
if len(split) != 2:
raise SyntaxError('invalid set syntax: %r' % args)
key, value = split
if not VALID_KEY(key):
raise KeyError('invalid config key: %r' % key)
mode_config = get_mode_config(uzbl, mode)
mode_config[key] = value
if get_mode(uzbl) == mode:
uzbl.set(key, value)
def load_reset(uzbl, *args):
config = uzbl.get_config()
if 'reset_on_commit' not in config or config['reset_on_commit'] == '1':
set_mode(uzbl)
def toggle_modes(uzbl, modes):
modelist = [s.strip() for s in modes.split(' ') if s]
if not len(modelist):
return error("no modes specified to toggle")
mode_dict = get_mode_dict(uzbl)
oldmode = mode_dict['mode']
if oldmode not in modelist:
return set_mode(uzbl, modelist[0])
newmode = modelist[(modelist.index(oldmode)+1) % len(modelist)]
set_mode(uzbl, newmode)
def init(uzbl):
connects = {'CONFIG_CHANGED': config_changed,
'INSTANCE_EXIT': del_instance,
'INSTANCE_START': add_instance,
'MODE_CONFIG': mode_config,
'LOAD_START': load_reset,
'TOGGLE_MODES': toggle_modes}
uzbl.connect_dict(connects)
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