def setup(self):
"""
Setup py3status and spawn i3status/events/modules threads.
"""
# SIGTSTP will be received from i3bar indicating that all output should
# stop and we should consider py3status suspended. It is however
# important that any processes using i3 ipc should continue to receive
# those events otherwise it can lead to a stall in i3.
signal(SIGTSTP, self.i3bar_stop)
# SIGCONT indicates output should be resumed.
signal(SIGCONT, self.i3bar_start)
# log py3status and python versions
self.log("=" * 8)
msg = "Starting py3status version {version} python {python_version}"
self.log(msg.format(**self.config))
try:
# if running from git then log the branch and last commit
# we do this by looking in the .git directory
git_path = os.path.join(os.path.dirname(__file__), "..", ".git")
# branch
with open(os.path.join(git_path, "HEAD"), "r") as f:
out = f.readline()
branch = "/".join(out.strip().split("/")[2:])
self.log("git branch: {}".format(branch))
# last commit
log_path = os.path.join(git_path, "logs", "refs", "heads", branch)
with open(log_path, "r") as f:
out = f.readlines()[-1]
sha = out.split(" ")[1][:7]
msg = ":".join(out.strip().split("\t")[-1].split(":")[1:])
self.log("git commit: {}{}".format(sha, msg))
except: # noqa e722
pass
self.log("window manager: {}".format(self.config["wm_name"]))
if self.config["debug"]:
self.log("py3status started with config {}".format(self.config))
if self.config["gevent"]:
self.gevent_monkey_patch_report()
# read i3status.conf
config_path = self.config["i3status_config_path"]
self.log("config file: {}".format(self.config["i3status_config_path"]))
self.config["py3_config"] = process_config(config_path, self)
# setup i3status thread
self.i3status_thread = I3status(self)
# If standalone or no i3status modules then use the mock i3status
# else start i3status thread.
i3s_modules = self.config["py3_config"]["i3s_modules"]
if self.config["standalone"] or not i3s_modules:
self.i3status_thread.mock()
i3s_mode = "mocked"
else:
i3s_mode = "started"
self.i3status_thread.start()
while not self.i3status_thread.ready:
if not self.i3status_thread.is_alive():
# i3status is having a bad day, so tell the user what went
# wrong and do the best we can with just py3status modules.
err = self.i3status_thread.error
self.notify_user(err)
self.i3status_thread.mock()
i3s_mode = "mocked"
break
time.sleep(0.1)
if self.config["debug"]:
self.log("i3status thread {} with config {}".format(
i3s_mode, self.config["py3_config"]))
# add i3status thread monitoring task
if i3s_mode == "started":
task = CheckI3StatusThread(self.i3status_thread, self)
self.timeout_queue_add(task)
# setup input events thread
self.events_thread = Events(self)
self.events_thread.daemon = True
self.events_thread.start()
if self.config["debug"]:
self.log("events thread started")
# initialise the command server
self.commands_thread = CommandServer(self)
self.commands_thread.daemon = True
self.commands_thread.start()
if self.config["debug"]:
self.log("commands thread started")
# initialize the udev monitor (lazy)
self.udev_monitor = UdevMonitor(self)
# suppress modules' ouput wrt issue #20
if not self.config["debug"]:
sys.stdout = open("/dev/null", "w")
sys.stderr = open("/dev/null", "w")
# get the list of py3status configured modules
self.py3_modules = self.config["py3_config"]["py3_modules"]
# get a dict of all user provided modules
self.log("modules include paths: {}".format(
self.config["include_paths"]))
user_modules = self.get_user_configured_modules()
if self.config["debug"]:
self.log("user_modules={}".format(user_modules))
if self.py3_modules:
# load and spawn i3status.conf configured modules threads
self.load_modules(self.py3_modules, user_modules)
def setup(self):
"""
Setup py3status and spawn i3status/events/modules threads.
"""
# log py3status and python versions
self.log("=" * 8)
msg = "Starting py3status version {version} python {python_version}"
self.log(msg.format(**self.config))
try:
# if running from git then log the branch and last commit
# we do this by looking in the .git directory
git_path = Path(__file__).resolve().parent.parent / ".git"
# branch
with (git_path / "HEAD").open() as f:
out = f.readline()
branch = "/".join(out.strip().split("/")[2:])
self.log(f"git branch: {branch}")
# last commit
log_path = git_path / "logs" / "refs" / "heads" / branch
with log_path.open() as f:
out = f.readlines()[-1]
sha = out.split(" ")[1][:7]
msg = ":".join(out.strip().split("\t")[-1].split(":")[1:])
self.log(f"git commit: {sha}{msg}")
except: # noqa e722
pass
self.log("window manager: {}".format(self.config["wm_name"]))
if self.config["debug"]:
self.log(f"py3status started with config {self.config}")
if self.config["gevent"]:
self.is_gevent = self.gevent_monkey_patch_report()
else:
self.is_gevent = False
# read i3status.conf
config_path = self.config["i3status_config_path"]
self.log("config file: {}".format(self.config["i3status_config_path"]))
self.config["py3_config"] = process_config(config_path, self)
# read resources
if "resources" in str(self.config["py3_config"].values()):
from subprocess import check_output
resources = check_output(["xrdb", "-query"]).decode().splitlines()
self.config["resources"] = {
k: v.strip()
for k, v in (x.split(":", 1) for x in resources)
}
# setup i3status thread
self.i3status_thread = I3status(self)
# If standalone or no i3status modules then use the mock i3status
# else start i3status thread.
i3s_modules = self.config["py3_config"]["i3s_modules"]
if self.config["standalone"] or not i3s_modules:
self.i3status_thread.mock()
i3s_mode = "mocked"
else:
for module in i3s_modules:
self.log(f"adding module {module}")
i3s_mode = "started"
self.i3status_thread.start()
while not self.i3status_thread.ready:
if not self.i3status_thread.is_alive():
# i3status is having a bad day, so tell the user what went
# wrong and do the best we can with just py3status modules.
err = self.i3status_thread.error
self.notify_user(err)
self.i3status_thread.mock()
i3s_mode = "mocked"
break
time.sleep(0.1)
if self.config["debug"]:
self.log("i3status thread {} with config {}".format(
i3s_mode, self.config["py3_config"]))
# add i3status thread monitoring task
if i3s_mode == "started":
task = CheckI3StatusThread(self.i3status_thread, self)
self.timeout_queue_add(task)
# setup input events thread
self.events_thread = Events(self)
self.events_thread.daemon = True
self.events_thread.start()
if self.config["debug"]:
self.log("events thread started")
# initialise the command server
self.commands_thread = CommandServer(self)
self.commands_thread.daemon = True
self.commands_thread.start()
if self.config["debug"]:
self.log("commands thread started")
# initialize the udev monitor (lazy)
self.udev_monitor = UdevMonitor(self)
# suppress modules' output wrt issue #20
if not self.config["debug"]:
sys.stdout = Path("/dev/null").open("w")
sys.stderr = Path("/dev/null").open("w")
# make sure we honor custom i3bar protocol stop/resume signals
# while providing users a way to opt out from that feature
# using the 0 value as specified by the i3bar protocol
custom_stop_signal = (self.config["py3_config"].get(
"py3status", {}).get("stop_signal"))
if custom_stop_signal is not None:
try:
# 0 is a special value for i3bar protocol, use it as-is
if custom_stop_signal == 0:
self.stop_signal = custom_stop_signal
else:
self.stop_signal = Signals(custom_stop_signal)
except ValueError:
error = (
f"py3status.stop_signal '{custom_stop_signal}' is invalid "
f"and should be a number between 0 (disable) and 31")
self.log(error, level="error")
raise Exception(error)
# SIGTSTP can be received and indicates that all output should
# stop and we should consider py3status suspended. It is however
# important that any processes using i3 ipc should continue to receive
# those events otherwise it can lead to a stall in i3.
signal(SIGTSTP, self.i3bar_stop)
# SIGCONT indicates output should be resumed.
signal(SIGCONT, self.i3bar_start)
# get the list of py3status configured modules
self.py3_modules = self.config["py3_config"]["py3_modules"]
# get a dict of all user provided modules
self.log("modules include paths: {}".format(
self.config["include_paths"]))
user_modules = self.get_user_configured_modules()
if self.config["debug"]:
self.log(f"user_modules={user_modules}")
if self.py3_modules:
# load and spawn i3status.conf configured modules threads
self.load_modules(self.py3_modules, user_modules)