| # Copyright 2022 Efabless Corporation |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import os |
| import odb |
| |
| |
| class OdbReader(object): |
| def __init__(self, lef_in, def_in): |
| self.db = odb.dbDatabase.create() |
| self.lef = odb.read_lef(self.db, lef_in) |
| self.df = odb.read_def(self.db, def_in) |
| self.block = self.db.getChip().getBlock() |
| self.insts = self.block.getInsts() |
| |
| |
| reader = OdbReader(os.getenv("MERGED_LEF"), os.getenv("CURRENT_DEF")) |
| buffers = [ |
| instance for instance in reader.insts if instance.getName() == "inserted_buffer" |
| ] |
| assert len(buffers) == 1 |
| buffer = buffers[0] |
| |
| connected_terminals = [ |
| iterm for iterm in buffer.getITerms() if iterm.getNet() is not None |
| ] |
| |
| names = [iterm.getNet().getName() for iterm in connected_terminals] |
| |
| assert "inserted_net" in names |
| assert "in" in names |
