def convert(key, data, errors, context):
value = data.get(key)
#logger.debug('Processing field %s for reading (%r)', key[0], value)
assert not value is missing
assert isinstance(value, basestring)
if not value:
logger.warn('Read empty value for field %s' % (key[0]))
# noop
return
def convert(key, data, errors, context):
value = data.get(key)
#logger.debug('Processing field %s for reading (%r)', key[0], value)
assert not value is missing
assert isinstance(value, basestring)
if not value:
logger.warn('Read empty value for field %s' % (key[0]))
# noop
return
def _get_field_value(self, v, field):
'''Get the value of a field considered a leaf.
Serialize or format (not both!) this value, if requested so.
'''
assert v is not None, 'This was supposed to be checked at dictize()'
# Check if value needs to be serialized
serializer_name = self.opts.get('serialize-values', False)
if serializer_name:
ser = serializer_for_field(field, serializer_name)
if ser:
try:
v = ser.dumps(v)
except Exception as ex:
logger.warn(
'Failed to serialize value %r for field %r (%s): %s'
%
(v, field.__name__, field.__class__.__name__, ex))
v = None
# Return here, no need to do anything more
return v
# Check if value needs to be formatted
format_spec = self.opts.get('format-values', False)
if format_spec:
assert isinstance(format_spec, FormatSpec)
fo = formatter_for_field(field, format_spec.name)
if fo:
fo_opts = format_spec.opts
# Fetch any extra field-level extra options
fo_conf = formatters.config_for_field(
field, format_spec.name)
if fo_conf and 'extra-opts' in fo_conf:
fo_opts = copy.copy(fo_opts)
fo_opts.update(fo_conf.get('extra-opts'))
# Try to format
try:
v = fo.format(v, opts=fo_opts)
except Exception as ex:
logger.warn(
'Failed to format value %r for field %r (%s): %s' %
(v, field.__name__, field.__class__.__name__, ex))
v = None
return v
def _get_field_value(self, v, field):
'''Get the value of a field considered a leaf.
Serialize or format (not both!) this value, if requested so.
'''
assert v is not None, 'This was supposed to be checked at dictize()'
# Check if value needs to be serialized
serializer_name = self.opts.get('serialize-values', False)
if serializer_name:
ser = serializer_for_field(field, serializer_name)
if ser:
try:
v = ser.dumps(v)
except Exception as ex:
logger.warn(
'Failed to serialize value %r for field %r (%s): %s' % (
v, field.__name__, field.__class__.__name__, ex))
v = None
# Return here, no need to do anything more
return v
# Check if value needs to be formatted
format_spec = self.opts.get('format-values', False)
if format_spec:
assert isinstance(format_spec, FormatSpec)
fo = formatter_for_field(field, format_spec.name)
if fo:
fo_opts = format_spec.opts
# Fetch any extra field-level extra options
fo_conf = formatters.config_for_field(field, format_spec.name)
if fo_conf and 'extra-opts' in fo_conf:
fo_opts = copy.copy(fo_opts)
fo_opts.update(fo_conf.get('extra-opts'))
# Try to format
try:
v = fo.format(v, opts=fo_opts)
except Exception as ex:
logger.warn(
'Failed to format value %r for field %r (%s): %s' % (
v, field.__name__, field.__class__.__name__, ex))
v = None
return v
def _create_leaf_field(self, v, field):
assert v is not None, 'This was supposed to be checked at load()'
f = None
ser_name = self.opts.get('unserialize-values', False)
if ser_name:
ser = serializer_for_field(field, ser_name)
if ser:
try:
f = ser.loads(v)
except:
logger.warn(
'Failed to unserialize value %r for field %r' %(v, field))
if f is None:
f = copy.copy(v) # or simply assign it ??
return f
def _create_leaf_field(self, v, field):
assert v is not None, 'This was supposed to be checked at load()'
f = None
ser_name = self.opts.get('unserialize-values', False)
if ser_name:
ser = serializer_for_field(field, ser_name)
if ser:
try:
f = ser.loads(v)
except:
logger.warn(
'Failed to unserialize value %r for field %r' %(v, field))
if f is None:
f = copy.copy(v) # or simply assign it ??
return f