caproto.server.stats.BasicStatusHelper

class caproto.server.stats.BasicStatusHelper(*args, **kwargs)

BasicStatusHelper pvproperties

Attribute	Suffix	Docs	Type	Notes	Alarm Group
application_directory	APP_DIR	Startup directory (__main__)	str (waveform)	Read-only Length(255)
cpu_count	CPU_CNT	Number of CPUs	int (longin)	Read-only
engineer	ENGINEER	Who is responsible for this abomination	str (stringin)	Read-only Length(40)
hostname	HOSTNAME		str (stringin)	Read-only Length(255)
kernel_version	KERNEL_VERS	OS/Kernel Version	str (stringin)	Read-only
location	LOCATION		str (stringin)	Read-only Length(40)
parent_pid	PARENT_ID	Parent Process ID	int (ai)	Read-only
process_id	PROCESS_ID		int (ai)	Read-only Startup
source_filename	SOURCE_FILE	Top-level PVGroup source filename	str (waveform)	Read-only Length(255)
sysreset	SYSRESET	IOC exit / restart (if using procServ)	int (sub)	Put
version	EPICS_VERSION	EPICS (caproto) version	str (stringin)	Read-only

Methods

group_read(instance)	Generic read called for channels without get defined
group_write(instance, value)	Generic write called for channels without put defined

Attributes

default_values
type_map
type_map_read_only

pvproperty methods

process_id.startup(self, instance, async_lib)

Source code: process_id.startup

@process_id.startup
async def process_id(self, instance, async_lib):
    await self.process_id.write(value=os.getpid())
    await self.parent_pid.write(value=os.getppid())
    await self.location.write(value=os.environ.get('LOCATION', ''))
    await self.engineer.write(value=os.environ.get('ENGINEER', ''))

    try:
        root_source = get_source_file(type(self._root_pvgroup))
        await self.source_filename.write(value=str(root_source))
    except Exception:
        self.log.exception('Unable to determine source path')

    try:
        main_path = get_source_file(sys.modules['__main__'])
        await self.application_directory.write(value=str(main_path.parent))
    except TypeError:
        # Built-in is OK
        ...
    except Exception:
        self.log.exception('Unable to determine startup directory')

    if psutil is not None:
        await self.cpu_count.write(value=psutil.cpu_count())