def run(self):
"""
Spawn i3status using a self generated config file and poll its output.
"""
try:
with NamedTemporaryFile(prefix='py3status_') as tmpfile:
self.write_tmp_i3status_config(tmpfile)
syslog(
LOG_INFO, 'i3status spawned using config file {}'.format(
tmpfile.name))
i3status_pipe = Popen(
['i3status', '-c', tmpfile.name],
stdout=PIPE,
stderr=PIPE,
)
self.poller_inp = IOPoller(i3status_pipe.stdout)
self.poller_err = IOPoller(i3status_pipe.stderr)
self.tmpfile_path = tmpfile.name
try:
# loop on i3status output
while self.lock.is_set():
line = self.poller_inp.readline()
if line:
if line.startswith('[{'):
print_line(line)
with jsonify(line) as (prefix, json_list):
self.last_output = json_list
self.last_prefix = ','
self.set_responses(json_list)
self.ready = True
elif not line.startswith(','):
if 'version' in line:
header = loads(line)
header.update({'click_events': True})
line = dumps(header)
print_line(line)
else:
with jsonify(line) as (prefix, json_list):
self.last_output = json_list
self.last_prefix = prefix
self.set_responses(json_list)
else:
err = self.poller_err.readline()
code = i3status_pipe.poll()
if code is not None:
msg = 'i3status died'
if err:
msg += ' and said: {}'.format(err)
else:
msg += ' with code {}'.format(code)
raise IOError(msg)
except IOError:
err = sys.exc_info()[1]
self.error = err
except OSError:
# we cleanup the tmpfile ourselves so when the delete will occur
# it will usually raise an OSError: No such file or directory
pass
def run(self):
"""
Spawn i3status using a self generated config file and poll its output.
"""
try:
with NamedTemporaryFile(prefix='py3status_') as tmpfile:
self.write_tmp_i3status_config(tmpfile)
syslog(LOG_INFO,
'i3status spawned using config file {}'.format(
tmpfile.name))
i3status_pipe = Popen(
['i3status', '-c', tmpfile.name],
stdout=PIPE,
stderr=PIPE, )
self.poller_inp = IOPoller(i3status_pipe.stdout)
self.poller_err = IOPoller(i3status_pipe.stderr)
self.tmpfile_path = tmpfile.name
try:
# loop on i3status output
while self.lock.is_set():
line = self.poller_inp.readline()
if line:
if line.startswith('[{'):
print_line(line)
with jsonify(line) as (prefix, json_list):
self.last_output = json_list
self.last_prefix = ','
self.set_responses(json_list)
self.ready = True
elif not line.startswith(','):
if 'version' in line:
header = loads(line)
header.update({'click_events': True})
line = dumps(header)
print_line(line)
else:
with jsonify(line) as (prefix, json_list):
self.last_output = json_list
self.last_prefix = prefix
self.set_responses(json_list)
else:
err = self.poller_err.readline()
code = i3status_pipe.poll()
if code is not None:
msg = 'i3status died'
if err:
msg += ' and said: {}'.format(err)
else:
msg += ' with code {}'.format(code)
raise IOError(msg)
except IOError:
err = sys.exc_info()[1]
self.error = err
except OSError:
# we cleanup the tmpfile ourselves so when the delete will occur
# it will usually raise an OSError: No such file or directory
pass
def mock(self):
"""
Mock i3status behavior, used in standalone mode.
"""
# mock thread is_alive() method
self.is_alive = lambda: True
# mock i3status base output
init_output = ['{"click_events": true, "version": 1}', '[', '[]']
for line in init_output:
print_line(line)
# mock i3status output parsing
self.last_output = []
self.last_prefix = ','
self.update_json_list()
def mock(self):
"""
Mock i3status behavior, used in standalone mode.
"""
# mock thread is_alive() method
self.is_alive = lambda: True
# mock i3status base output
init_output = ['{"click_events": true, "version": 1}', '[', '[]']
for line in init_output:
print_line(line)
# mock i3status output parsing
self.last_output = []
self.last_prefix = ','
self.update_json_list()
def run(self):
"""
Main py3status loop, continuously read from i3status and modules
and output it to i3bar for displaying.
"""
# SIGUSR1 forces a refresh of the bar both for py3status and i3status,
# this mimics the USR1 signal handling of i3status (see man i3status)
signal(SIGUSR1, self.sig_handler)
signal(SIGTERM, self.terminate)
# initialize usage variables
i3status_thread = self.i3status_thread
py3_config = self.config['py3_config']
# prepare the color mappings
self.create_mappings(py3_config)
# self.output_modules needs to have been created before modules are
# started. This is so that modules can do things like register their
# content_function.
self.create_output_modules()
# Some modules need to be prepared before they can run
# eg run their post_config_hook
for module in self.modules.values():
module.prepare_module()
# modules can now receive updates
self.py3_modules_initialized = True
# start modules
for module in self.modules.values():
module.start_module()
# this will be our output set to the correct length for the number of
# items in the bar
output = [None] * len(py3_config['order'])
interval = self.config['interval']
last_sec = 0
# start our output
header = {
'version': 1,
'click_events': True,
'stop_signal': SIGTSTP
}
print_line(dumps(header))
print_line('[[]')
# main loop
while True:
# sleep a bit to avoid killing the CPU
# by doing this at the begining rather than the end
# of the loop we ensure a smoother first render of the i3bar
time.sleep(0.1)
while not self.i3bar_running:
time.sleep(0.1)
sec = int(time.time())
# only check everything is good each second
if sec > last_sec:
last_sec = sec
# check i3status thread
if not i3status_thread.is_alive():
err = i3status_thread.error
if not err:
err = 'I3status died horribly.'
self.notify_user(err)
# check events thread
if not self.events_thread.is_alive():
# don't spam the user with i3-nagbar warnings
if not hasattr(self.events_thread, 'nagged'):
self.events_thread.nagged = True
err = 'Events thread died, click events are disabled.'
self.notify_user(err, level='warning')
# update i3status time/tztime items
if interval == 0 or sec % interval == 0:
i3status_thread.update_times()
# check if an update is needed
if self.queue:
while (len(self.queue)):
module_name = self.queue.popleft()
module = self.output_modules[module_name]
for index in module['position']:
# store the output as json
out = module['module'].get_latest()
output[index] = self.process_module_output(out)
# build output string
out = ','.join([x for x in output if x])
# dump the line to stdout
print_line(',[{}]'.format(out))
def run(self):
"""
Main py3status loop, continuously read from i3status and modules
and output it to i3bar for displaying.
"""
# SIGUSR1 forces a refresh of the bar both for py3status and i3status,
# this mimics the USR1 signal handling of i3status (see man i3status)
signal(SIGUSR1, self.sig_handler)
signal(SIGTERM, self.terminate)
# initialize usage variables
i3status_thread = self.i3status_thread
config = i3status_thread.config
self.create_output_modules()
# update queue populate with all py3modules
self.queue.extend(self.modules)
# this will be our output set to the correct length for the number of
# items in the bar
output = [None] * len(config['order'])
interval = self.config['interval']
last_sec = 0
# start our output
header = {
'version': 1,
'click_events': True,
'stop_signal': SIGTSTP
}
print_line(dumps(header))
print_line('[[]')
# main loop
while True:
while not self.i3bar_running:
time.sleep(0.1)
sec = int(time.time())
# only check everything is good each second
if sec > last_sec:
last_sec = sec
# check i3status thread
if not i3status_thread.is_alive():
err = i3status_thread.error
if not err:
err = 'I3status died horribly.'
self.notify_user(err)
# check events thread
if not self.events_thread.is_alive():
# don't spam the user with i3-nagbar warnings
if not hasattr(self.events_thread, 'nagged'):
self.events_thread.nagged = True
err = 'Events thread died, click events are disabled.'
self.notify_user(err, level='warning')
# update i3status time/tztime items
if interval == 0 or sec % interval == 0:
i3status_thread.update_times()
# check if an update is needed
if self.queue:
while (len(self.queue)):
module_name = self.queue.popleft()
module = self.output_modules[module_name]
for index in module['position']:
# store the output as json
# modules can have more than one output
out = module['module'].get_latest()
output[index] = ', '.join([dumps(x) for x in out])
# build output string
out = ','.join([x for x in output if x])
# dump the line to stdout
print_line(',[{}]'.format(out))
# sleep a bit before doing this again to avoid killing the CPU
time.sleep(0.1)
def run(self):
"""
Main py3status loop, continuously read from i3status and modules
and output it to i3bar for displaying.
"""
# SIGUSR1 forces a refresh of the bar both for py3status and i3status,
# this mimics the USR1 signal handling of i3status (see man i3status)
signal(SIGUSR1, self.sig_handler)
signal(SIGTERM, self.terminate)
# initialize usage variables
i3status_thread = self.i3status_thread
py3_config = self.config['py3_config']
# prepare the color mappings
self.create_mappings(py3_config)
# self.output_modules needs to have been created before modules are
# started. This is so that modules can do things like register their
# content_function.
self.create_output_modules()
# Some modules need to be prepared before they can run
# eg run their post_config_hook
for module in self.modules.values():
module.prepare_module()
# modules can now receive updates
self.py3_modules_initialized = True
# start modules
for module in self.modules.values():
module.start_module()
# this will be our output set to the correct length for the number of
# items in the bar
output = [None] * len(py3_config['order'])
interval = self.config['interval']
last_sec = 0
# start our output
header = {'version': 1, 'click_events': True, 'stop_signal': SIGTSTP}
print_line(dumps(header))
print_line('[[]')
# main loop
while True:
# sleep a bit to avoid killing the CPU
# by doing this at the begining rather than the end
# of the loop we ensure a smoother first render of the i3bar
time.sleep(0.1)
while not self.i3bar_running:
time.sleep(0.1)
sec = int(time.time())
# only check everything is good each second
if sec > last_sec:
last_sec = sec
# check i3status thread
if not i3status_thread.is_alive():
err = i3status_thread.error
if not err:
err = 'I3status died horribly.'
self.notify_user(err)
# check events thread
if not self.events_thread.is_alive():
# don't spam the user with i3-nagbar warnings
if not hasattr(self.events_thread, 'nagged'):
self.events_thread.nagged = True
err = 'Events thread died, click events are disabled.'
self.notify_user(err, level='warning')
# update i3status time/tztime items
if interval == 0 or sec % interval == 0:
i3status_thread.update_times()
# check if an update is needed
if self.queue:
while (len(self.queue)):
module_name = self.queue.popleft()
module = self.output_modules[module_name]
for index in module['position']:
# store the output as json
out = module['module'].get_latest()
output[index] = self.process_module_output(out)
# build output string
out = ','.join([x for x in output if x])
# dump the line to stdout
print_line(',[{}]'.format(out))
def run(self):
"""
Main py3status loop, continuously read from i3status and modules
and output it to i3bar for displaying.
"""
# SIGUSR1 forces a refresh of the bar both for py3status and i3status,
# this mimics the USR1 signal handling of i3status (see man i3status)
signal(SIGUSR1, self.sig_handler)
signal(SIGTERM, self.terminate)
# initialize usage variables
i3status_thread = self.i3status_thread
config = i3status_thread.config
self.create_output_modules()
# update queue populate with all py3modules
self.queue.extend(self.modules)
# this will be our output set to the correct length for the number of
# items in the bar
output = [None] * len(config['order'])
interval = self.config['interval']
last_sec = 0
# start our output
header = {
'version': 1,
'click_events': True,
'stop_signal': SIGTSTP
}
print_line(dumps(header))
print_line('[[]')
# main loop
while True:
while not self.i3bar_running:
time.sleep(0.1)
sec = int(time.time())
# only check everything is good each second
if sec > last_sec:
last_sec = sec
# check i3status thread
if not i3status_thread.is_alive():
err = i3status_thread.error
if not err:
err = 'I3status died horribly.'
self.notify_user(err)
# check events thread
if not self.events_thread.is_alive():
# don't spam the user with i3-nagbar warnings
if not hasattr(self.events_thread, 'nagged'):
self.events_thread.nagged = True
err = 'Events thread died, click events are disabled.'
self.notify_user(err, level='warning')
# update i3status time/tztime items
if interval == 0 or sec % interval == 0:
i3status_thread.update_times()
# check if an update is needed
if self.queue:
while (len(self.queue)):
module_name = self.queue.popleft()
module = self.output_modules[module_name]
for index in module['position']:
# store the output as json
# modules can have more than one output
out = module['module'].get_latest()
output[index] = ', '.join([dumps(x) for x in out])
# build output string
out = ','.join([x for x in output if x])
# dump the line to stdout
print_line(',[{}]'.format(out))
# sleep a bit before doing this again to avoid killing the CPU
time.sleep(0.1)
def run(self):
"""
Main py3status loop, continuously read from i3status and modules
and output it to i3bar for displaying.
"""
# SIGUSR1 forces a refresh of the bar both for py3status and i3status,
# this mimics the USR1 signal handling of i3status (see man i3status)
signal(SIGUSR1, self.sig_handler)
signal(SIGTERM, self.terminate)
# initialize usage variables
delta = 0
last_delta = -1
previous_json_list = []
# main loop
while True:
# check i3status thread
if not self.i3status_thread.is_alive():
err = self.i3status_thread.error
if not err:
err = "i3status died horribly"
self.i3_nagbar(err)
break
# check events thread
if not self.events_thread.is_alive():
# don't spam the user with i3-nagbar warnings
if not hasattr(self.events_thread, "i3_nagbar"):
self.events_thread.i3_nagbar = True
err = "events thread died, click events are disabled"
self.i3_nagbar(err, level="warning")
# get output from i3status
prefix = self.i3status_thread.last_prefix
json_list = deepcopy(self.i3status_thread.json_list)
# transform time and tztime outputs from i3status
# every configured interval seconds
if (
self.config["interval"] <= 1
or int(delta) % self.config["interval"] == 0
and int(last_delta) != int(delta)
):
delta = 0
last_delta = 0
json_list = self.i3status_thread.tick_time_modules(json_list, force=True)
else:
json_list = self.i3status_thread.tick_time_modules(json_list, force=False)
# construct the global output
if self.modules and self.py3_modules:
# new style i3status configured ordering
json_list = self.i3status_thread.get_modules_output(json_list, self.modules)
# dump the line to stdout only on change
if json_list != previous_json_list:
print_line("{}{}".format(prefix, dumps(json_list)))
# remember the last json list output
previous_json_list = deepcopy(json_list)
# reset i3status json_list and json_list_ts
self.i3status_thread.update_json_list()
# sleep a bit before doing this again to avoid killing the CPU
delta += 0.1
sleep(0.1)
