def _load_configuration(self, config_file):
try:
self.config = StoqdriversConfig(config_file)
except ConfigError as e:
log.info(e)
self.config = None
else:
# This allows overriding in the config file some or all of the
# data that was specified through the constructor
section_name = BaseDevice.typename_translate_dict[self.device_type]
for field in ['brand', 'device', 'model', 'inverted_drawer']:
try:
setattr(self, field, self.config.get_option(field, section_name))
except ConfigError:
# Field not found, ignore
pass
# At this point, either we have the data needed to initialize the
# device or we will need to bail
if (not self.model or not self.brand or
(self.interface == BaseDevice.INTERFACE_SERIAL and
not self.device and not self._port)):
raise ConfigError("Device not specified in config or constructor, giving up")
name = "stoqdrivers.%s.%s.%s" % (self.device_dirname,
self.brand, self.model)
try:
module = __import__(name, None, None, 'stoqdevices')
except ImportError as reason:
raise CriticalError("Could not load driver %s %s: %s"
% (self.brand.capitalize(),
self.model.upper(), reason))
class_name = self.model
driver_class = getattr(module, class_name, None)
if not driver_class:
raise CriticalError("Device driver at %s needs a class called %s"
% (name, class_name))
if self.interface == 'serial':
if not self._port:
self._port = SerialPort(self.device, self._baudrate)
self._driver = driver_class(self._port, consts=self._driver_constants)
elif self.interface == 'usb':
self._driver = driver_class(self.vendor_id, self.product_id)
else:
raise NotImplementedError('Interface not implemented')
log.info("Device class initialized: brand=%s,device=%s,model=%s"
% (self.brand, self.device, self.model))
# This check is necessary but ugly because the configuration code
# doesn't understand booleans, and we don't want mismatches
if self.inverted_drawer in ("True", True):
log.info("Inverting drawer check logic")
self._driver.inverted_drawer = True
self.check_interfaces()
def _load_configuration(self, config_file):
section_name = BaseDevice.typename_translate_dict[self.device_type]
if not self.model or not self.brand or (not self.device and not self._port):
self.config = StoqdriversConfig(config_file)
if not self.config.has_section(section_name):
raise ConfigError(_("There is no section named `%s'!")
% section_name)
self.brand = self.config.get_option("brand", section_name)
self.device = self.config.get_option("device", section_name)
self.model = self.config.get_option("model", section_name)
name = "stoqdrivers.%s.%s.%s" % (self.device_dirname,
self.brand, self.model)
try:
module = __import__(name, None, None, 'stoqdevices')
except ImportError, reason:
raise CriticalError("Could not load driver %s %s: %s"
% (self.brand.capitalize(),
self.model.upper(), reason))
def _load_configuration(self, config_file):
section_name = BaseDevice.typename_translate_dict[self.device_type]
if (not self.model or not self.brand
or (self.interface == BaseDevice.INTERFACE_SERIAL
and not self.device and not self._port)):
self.config = StoqdriversConfig(config_file)
if not self.config.has_section(section_name):
raise ConfigError(
_("There is no section named `%s'!") % section_name)
self.brand = self.config.get_option("brand", section_name)
self.device = self.config.get_option("device", section_name)
self.model = self.config.get_option("model", section_name)
name = "stoqdrivers.%s.%s.%s" % (self.device_dirname, self.brand,
self.model)
try:
module = __import__(name, None, None, 'stoqdevices')
except ImportError as reason:
raise CriticalError(
"Could not load driver %s %s: %s" %
(self.brand.capitalize(), self.model.upper(), reason))
class_name = self.model
driver_class = getattr(module, class_name, None)
if not driver_class:
raise CriticalError("Device driver at %s needs a class called %s" %
(name, class_name))
if self.interface == 'serial':
if not self._port:
self._port = SerialPort(self.device, self._baudrate)
self._driver = driver_class(self._port,
consts=self._driver_constants)
elif self.interface == 'usb':
self._driver = driver_class(self.vendor_id, self.product_id)
else:
raise NotImplementedError('Interface not implemented')
log.info(("Config data: brand=%s,device=%s,model=%s" %
(self.brand, self.device, self.model)))
self.check_interfaces()