def _merge_serde(serdes, dft=None):
""" 内部函数 """
ret = {}
for sd in serdes:
if not isinstance(serde.origin(sd), FieldsDictSerde):
return dft
for field, field_serde in serde.origin(sd)._fields_to_types.iteritems():
ret[field] = field_serde
return of(ret)
def _merge_serde(serdes, dft=None):
""" 内部函数 """
ret = {}
for sd in serdes:
if not isinstance(serde.origin(sd), FieldsDictSerde):
return dft
for field, field_serde in serde.origin(
sd)._fields_to_types.iteritems():
ret[field] = field_serde
return of(ret)
def sort(pvalue, reverse=False):
""" sort """
if isinstance(serde.origin(pvalue.serde()), serde.StrSerde):
return _sort_str(pvalue, reverse)
return sort_by(pvalue, None, reverse)
def sort(pvalue, reverse=False):
""" sort """
if isinstance(serde.origin(pvalue.serde()), serde.StrSerde):
return _sort_str(pvalue, reverse)
return sort_by(pvalue, None, reverse)
def get_serde_of_field(sd, field, default=None):
""" get serde of field """
if isinstance(sd, FieldsDictSerde):
return serde.of(serde.origin(sd._tuple_serde)[sd._fields.index(field)])
return default
def get_out_fields_serde(tpserde, out_fields):
""" 内部函数 """
tpserde = serde.origin(tpserde)
tpserde = map(lambda sd: serde.Optional(sd), tpserde)
assert len(tpserde) == len(out_fields)
return of(dict(zip(out_fields, tpserde)))
def _get_serde_of_field(sd, field, dft=None):
""" 内部函数 """
if isinstance(sd, FieldsDictSerde):
return serde.of(serde.origin(sd._tuple_serde)[sd._fields.index(field)])
return dft
def _get_serde_of_field(sd, field, dft=None):
""" 内部函数 """
if isinstance(sd, FieldsDictSerde):
return serde.of(serde.origin(sd._tuple_serde)[sd._fields.index(field)])
return dft
def _get_out_fields_serde(tpserde, out_fields):
""" 内部函数 """
tpserde = serde.origin(tpserde)
tpserde = map(lambda sd: serde.Optional(sd), tpserde)
assert len(tpserde) == len(out_fields)
return of(dict(zip(out_fields, tpserde)))
def get_serde_of_field(sd, field, default=None):
""" get serde of field """
if isinstance(sd, FieldsDictSerde):
return serde.of(serde.origin(sd._tuple_serde)[sd._fields.index(field)])
return default