gr-mcp/grc/core/blocks/dummy.py

48 lines
1.2 KiB
Python

# Copyright 2016 Free Software Foundation, Inc.
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
from . import Block, register_build_in
from ._build import build_params
@register_build_in
class DummyBlock(Block):
is_dummy_block = True
label = 'Missing Block'
key = '_dummy'
def __init__(self, parent, missing_block_id, parameters, **_):
self.key = missing_block_id
self.parameters_data = build_params(
[], False, False, self.flags, self.key)
super(DummyBlock, self).__init__(parent=parent)
param_factory = self.parent_platform.make_param
for param_id in parameters:
self.params.setdefault(param_id, param_factory(
parent=self, id=param_id, dtype='string'))
def is_valid(self):
return False
@property
def enabled(self):
return False
def add_missing_port(self, port_id, direction):
port = self.parent_platform.make_port(
parent=self, direction=direction, id=port_id, name='?', dtype='',
)
if port.is_source:
self.sources.append(port)
else:
self.sinks.append(port)
return port