import logging
logging.getLogger("chimera").setLevel(logging.INFO)
from chimera.core.manager import Manager
from minimo import Minimo
manager = Manager(host='localhost', port=8000)
manager.addClass(Minimo, "m", config={"option1": "blah blah"}, start=True)
manager.wait()
class SiteController(object):
def __init__(self, args=[], wait=True):
self.wait = wait
self.options, self.args = self.parseArgs(args)
if self.options.verbose == 1:
chimera.core.log.setConsoleLevel(logging.INFO)
#log.setConsoleLevel(logging.INFO)
if self.options.verbose > 1:
chimera.core.log.setConsoleLevel(logging.DEBUG)
#log.setConsoleLevel(logging.DEBUG)
self.manager = None
self.paths = {"instruments": [], "controllers": []}
# add system and plugins paths
Path = ChimeraPath()
self.paths["instruments"].extend(Path.instruments)
self.paths["controllers"].extend(Path.controllers)
def parseArgs(self, args):
def check_location(option, opt_str, value, parser):
try:
l = Location(value)
except InvalidLocationException:
raise optparse.OptionValueError("%s isnt't a valid location." %
value)
eval('parser.values.%s.append ("%s")' % (option.dest, value))
def check_includepath(option, opt_str, value, parser):
if not value or not os.path.isdir(os.path.abspath(value)):
raise optparse.OptionValueError(
"Couldn't found %s include path." % value)
eval('parser.values.%s.append ("%s")' % (option.dest, value))
parser = optparse.OptionParser(
prog="chimera",
version=_chimera_version_,
description=_chimera_description_,
usage="chimera --help for more information")
manag_group = optparse.OptionGroup(parser, "Basic options")
manag_group.add_option(
"-H",
"--host",
action="store",
dest="pyro_host",
type="string",
help="Host name/IP address to run as; [default=%default]",
metavar="HOST")
manag_group.add_option(
"-P",
"--port",
action="store",
dest="pyro_port",
type="string",
help="Port on which to listen for requests; [default=%default]",
metavar="PORT")
config_group = optparse.OptionGroup(parser, "Configuration")
config_group.add_option(
"--config",
dest="config_file",
help="Start Chimera using configuration from FILE.",
metavar="FILE")
config_group.add_option(
"--daemon",
action="store_true",
dest='daemon',
help=
"Run Chimera in Daemon mode (will detach from current terminal).")
misc_group = optparse.OptionGroup(parser, "General")
misc_group.add_option(
"--dry-run",
action="store_true",
dest="dry",
help=
"Only list all configured objects (from command line and configuration files) without starting the system."
)
misc_group.add_option(
"-v",
"--verbose",
action="count",
dest='verbose',
help="Increase log level (multiple v's to increase even more).")
inst_group = optparse.OptionGroup(
parser, "Instruments and Controllers Management")
inst_group.add_option(
"-i",
"--instrument",
action="callback",
callback=check_location,
dest="instruments",
type="string",
help="Load the instrument defined by LOCATION."
"This option could be set many times to load multiple instruments.",
metavar="LOCATION")
inst_group.add_option(
"-c",
"--controller",
action="callback",
callback=check_location,
dest="controllers",
type="string",
help="Load the controller defined by LOCATION."
"This option could be set many times to load multiple controllers.",
metavar="LOCATION")
inst_group.add_option("-I",
"--instruments-dir",
action="callback",
callback=check_includepath,
dest="inst_dir",
type="string",
help="Append PATH to instruments load path.",
metavar="PATH")
inst_group.add_option("-C",
"--controllers-dir",
action="callback",
callback=check_includepath,
dest="ctrl_dir",
type="string",
help="Append PATH to controllers load path.",
metavar="PATH")
parser.add_option_group(manag_group)
parser.add_option_group(config_group)
parser.add_option_group(misc_group)
parser.add_option_group(inst_group)
parser.set_defaults(instruments=[],
controllers=[],
config_file=SYSTEM_CONFIG_DEFAULT_FILENAME,
inst_dir=[],
ctrl_dir=[],
drv_dir=[],
dry=False,
verbose=0,
daemon=False,
pyro_host=MANAGER_DEFAULT_HOST,
pyro_port=MANAGER_DEFAULT_PORT)
return parser.parse_args(args)
def startup(self):
if self.options.daemon:
# detach
log.info("FIXME: Daemon...")
# system config
try:
self.config = SystemConfig.fromFile(self.options.config_file)
except (InvalidLocationException, IOError) as e:
log.exception(e)
log.error(
"There was a problem reading your configuration file. (%s)" %
e)
sys.exit(1)
# manager
if not self.options.dry:
log.info("Starting system.")
log.info("Chimera: %s" % _chimera_version_)
log.info("Chimera prefix: %s" % ChimeraPath().root())
log.info("Python: %s" % platform.python_version())
log.info("System: %s" % ' '.join(platform.uname()))
try:
self.manager = Manager(**self.config.chimera)
except ChimeraException as e:
log.error(
"Chimera is already running on this machine. Use chimera-admin to manage it."
)
sys.exit(1)
log.info("Chimera: running on " + self.manager.getHostname() +
":" + str(self.manager.getPort()))
log.info("Chimera: reading configuration from %s" %
os.path.realpath(self.options.config_file))
# add site object
if not self.options.dry:
for site in self.config.sites:
self.manager.addClass(Site, site.name, site.config, True)
# search paths
log.info(
"Setting objects include path from command line parameters...")
for _dir in self.options.inst_dir:
self.paths["instruments"].append(_dir)
for _dir in self.options.ctrl_dir:
self.paths["controllers"].append(_dir)
# init from config
log.info("Trying to start instruments...")
for inst in self.config.instruments + self.options.instruments:
if self.options.dry:
print(inst)
else:
self._add(inst, path=self.paths["instruments"], start=True)
log.info("Trying to start controllers...")
for ctrl in self.config.controllers + self.options.controllers:
if self.options.dry:
print(ctrl)
else:
self._add(ctrl, path=self.paths["controllers"], start=True)
log.info("System up and running.")
# ok, let's wait manager work
if self.wait and not self.options.dry:
self.manager.wait()
def _add(self, location, path, start):
try:
self.manager.addLocation(location, path, start)
except Exception as e:
printException(e)
def shutdown(self):
log.info("Shutting down system.")
self.manager.shutdown()
