def show_unit(self, unit: str = None):
"""
Print out the definition of unit files for a unit
:param unit: File/cmd/unit to print unit file. Dots will be replaced with _ automatically
"""
if unit is None:
units = ls(self.systempath)
unit = choose_unit(self.systempath, units)
if unit is None:
sys.exit()
show(self.systempath, unit)
def edit(self, unit: str = None):
"""
Opens a unit service file for editing
:param unit: File/cmd/unit to edit. When omitted, show choices.
"""
if unit is None:
units = ls(self.systempath)
unit = choose_unit(self.systempath, units)
if unit is None:
sys.exit()
unit = unit if unit.endswith(".service") else unit + ".service"
os.system("$EDITOR {}/{}".format(self.systempath, unit))
def ls(self):
""" Interactively show units and allow viewing them """
while True:
units = ls(self.systempath)
if units:
unit = choose_unit(self.systempath, units)
if unit is None:
sys.exit()
monitor(unit, self.systempath)
else:
print(
"sysdm knows of no units. Why don't you make one? `sysdm create file_i_want_as_service.py`"
)
break
def delete(self, unit: str = None):
"""
Delete a unit
:param unit: File/cmd/unit to delete. When omitted, show choices.
"""
if unit is None:
units = ls(self.systempath)
unit = choose_unit(self.systempath, units)
if unit is None:
sys.exit()
inp = input(
"Are you sure you want to delete '{}'? [y/N]: ".format(unit))
if inp.lower().strip() != "y":
print("Aborting")
return
delete(unit, self.systempath)
def run(self, unit: str = None, debug=False):
"""
Run the command of a unit once
:param unit: File/cmd/unit to run.
:param debug: Use debug on error if available
"""
if unit is None:
units = ls(self.systempath)
unit = choose_unit(self.systempath, units)
if unit is None:
sys.exit()
with open(self.systempath + "/" + unit + ".service") as f:
for line in f:
line = line.strip()
if line.startswith("ExecStart="):
cmd = line.split("ExecStart=")[1]
if debug:
cmd = cmd.replace("python3 -u", "python3 -u -m pdb")
cmd = cmd.replace("python -u", "python -u -m pdb")
elif line.startswith("WorkingDirectory="):
cwd = line.split("WorkingDirectory=")[1]
os.system("cd {!r} && {}".format(cwd, cmd))
def _main():
parser, args = get_argparser()
try:
if args.systempath is None:
args.systempath = "/etc/systemd/system" if IS_SUDO else "~/.config/systemd/user"
args.systempath = os.path.expanduser(args.systempath)
args.systempath = args.systempath.rstrip("/")
try:
os.makedirs(args.systempath)
except FileExistsError:
pass
except AttributeError:
# most commands have it, but not all
pass
if args.command == "create":
print("Creating systemd unit...")
service_name = install(args)
print("Done")
if not args.nolist:
monitor(service_name, args.systempath)
elif args.command == "view":
service_name = to_sn(args.unit)
if not os.path.exists(args.systempath + "/" + service_name +
".service"):
print(
"Service file does not exist. You can start by running:\n\n sysdm create {}\n\nto create a service or run:\n\n sysdm ls\n\nto see the services already created by sysdm."
.format(args.unit))
sys.exit(1)
monitor(service_name, args.systempath)
elif args.command == "run":
if args.unit is None:
units = ls(args)
unit = choose_unit(args.systempath, units)
if unit is None:
sys.exit()
else:
unit = args.unit
with open(args.systempath + "/" + unit + ".service") as f:
for line in f:
line = line.strip()
if line.startswith("ExecStart="):
cmd = line.split("ExecStart=")[1]
if args.debug:
cmd = cmd.replace("python3 -u", "python3 -u -m pdb")
cmd = cmd.replace("python -u", "python -u -m pdb")
elif line.startswith("WorkingDirectory="):
cwd = line.split("WorkingDirectory=")[1]
os.system("cd {!r} && {}".format(cwd, cmd))
elif args.command == "show_unit":
show(args)
elif args.command == "reload":
systemctl("daemon-reload")
elif args.command == "watch":
watch(args)
elif args.command == "delete":
if args.unit is None:
units = ls(args)
unit = choose_unit(args.systempath, units)
if unit is None:
sys.exit()
inp = input(
"Are you sure you want to delete '{}'? [y/N]: ".format(unit))
if inp.lower().strip() != "y":
print("Aborting")
return
else:
unit = args.unit
delete(unit, args.systempath)
elif args.command == "edit":
if args.unit is None:
units = ls(args)
unit = choose_unit(args.systempath, units)
if unit is None:
sys.exit()
else:
unit = args.unit
unit = unit if unit.endswith(".service") else unit + ".service"
os.system("$EDITOR {}/{}".format(args.systempath, unit))
elif args.command == "ls":
while True:
units = ls(args)
if units:
unit = choose_unit(args.systempath, units)
if unit is None:
sys.exit()
monitor(unit, args.systempath)
else:
print(
"sysdm knows of no units. Why don't you make one? `sysdm create file_i_want_as_service.py`"
)
break
else:
parser.print_help(sys.stderr)
sys.exit(1)
