| from typing import Set, List, Type |
| |
| from pywy.core.channel import CH_T |
| from pywy.operators.unary import MapOperator |
| from pywy.platforms.python.operator.py_execution_operator import PyExecutionOperator |
| from pywy.platforms.python.channels import ( |
| ChannelDescriptor, |
| PyIteratorChannel, |
| PY_ITERATOR_CHANNEL_DESCRIPTOR, |
| PY_CALLABLE_CHANNEL_DESCRIPTOR, |
| PyCallableChannel |
| ) |
| |
| |
| class PyMapOperator(MapOperator, PyExecutionOperator): |
| |
| def __init__(self, origin: MapOperator = None): |
| function = None if origin is None else origin.function |
| super().__init__(function) |
| pass |
| |
| def execute(self, inputs: List[Type[CH_T]], outputs: List[Type[CH_T]]): |
| self.validate_channels(inputs, outputs) |
| udf = self.function |
| if isinstance(inputs[0], PyIteratorChannel): |
| py_in_iter_channel: PyIteratorChannel = inputs[0] |
| py_out_iter_channel: PyIteratorChannel = outputs[0] |
| py_out_iter_channel.accept_iterable(map(udf, py_in_iter_channel.provide_iterable())) |
| elif isinstance(inputs[0], PyCallableChannel): |
| py_in_call_channel: PyCallableChannel = inputs[0] |
| py_out_call_channel: PyCallableChannel = outputs[0] |
| |
| def func(iterator): |
| return map(udf, iterator) |
| |
| py_out_call_channel.accept_callable( |
| PyCallableChannel.concatenate( |
| func, |
| py_in_call_channel.provide_callable() |
| ) |
| ) |
| else: |
| raise Exception("Channel Type does not supported") |
| |
| def get_input_channeldescriptors(self) -> Set[ChannelDescriptor]: |
| return {PY_ITERATOR_CHANNEL_DESCRIPTOR, PY_CALLABLE_CHANNEL_DESCRIPTOR} |
| |
| def get_output_channeldescriptors(self) -> Set[ChannelDescriptor]: |
| return {PY_ITERATOR_CHANNEL_DESCRIPTOR, PY_CALLABLE_CHANNEL_DESCRIPTOR} |