netlistsvg-generate removed - belongs to another branch
This commit is contained in:
Wojciech Gryncewicz
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c74b4d8ceb
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9db28207c4
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# Copyright 2020 The SkyWater PDK Authors.
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#
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# Use of this source code is governed by the Apache 2.0
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# license that can be found in the LICENSE file or at
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# SPDX-License-Identifier: Apache-2.0
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import csv
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import json
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import os
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import sys
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import argparse
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import pathlib
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import glob
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import subprocess
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def outfile(cellpath, define_data, ftype='', extra='', exists=False):
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''' Determines output file path and name.
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Args:
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cellpath - path to a cell [str of pathlib.Path]
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define_data - cell definition data [dic]
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ftype - file type suffix [str]
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extra - extra suffix [str]
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exist - optional check if file exists [bool or None]
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Returns:
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outpath - output file namepath [str]
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'''
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fname = define_data['name'].lower().replace('$', '_')
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if ftype:
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ftype = '.'+ftype
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outpath = os.path.join(cellpath, f'{define_data["file_prefix"]}{extra}{ftype}.svg')
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if exists is None:
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pass
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elif not exists:
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#assert not os.path.exists(outpath), "Refusing to overwrite existing file:"+outpath
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print("Creating", outpath)
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elif exists:
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assert os.path.exists(outpath), "Missing required:"+outpath
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return outpath
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def write_netlistsvg(cellpath, define_data):
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''' Generates netlistsvg for a given cell.
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Args:
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cellpath - path to a cell [str of pathlib.Path]
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define_data - cell definition data [dic]
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'''
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netlist_json = os.path.join(cellpath, define_data['file_prefix']+'.json')
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if not os.path.exists(netlist_json):
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print("No netlist in", cellpath)
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assert os.path.exists(netlist_json), netlist_json
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outpath = outfile(cellpath, define_data, 'schematic')
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if subprocess.call(['netlistsvg', netlist_json, '-o', outpath]):
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raise ChildProcessError("netlistsvg execution failed")
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def process(cellpath):
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''' Processes cell indicated by path.
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Opens cell definiton and calls further processing
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Args:
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cellpath - path to a cell [str of pathlib.Path]
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'''
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print()
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print(cellpath)
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define_json = os.path.join(cellpath, 'definition.json')
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if not os.path.exists(define_json):
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print("No definition.json in", cellpath)
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assert os.path.exists(define_json), define_json
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define_data = json.load(open(define_json))
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if define_data['type'] == 'cell':
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write_netlistsvg(cellpath, define_data)
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return
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def main():
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''' Generates netlistsvg schematic from cell netlist.'''
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prereq_txt = 'prerequisities:\n netlistsvg'
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output_txt = 'output:\n generates [cell_prefix].schematic.svg'
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allcellpath = '../../../libraries/*/latest/cells/*'
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parser = argparse.ArgumentParser(
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description = main.__doc__,
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epilog = prereq_txt +'\n\n'+ output_txt,
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formatter_class=argparse.RawDescriptionHelpFormatter)
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parser.add_argument(
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"--all_libs",
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help="process all cells in "+allcellpath,
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action="store_true")
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parser.add_argument(
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"cell_dir",
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help="path to the cell directory",
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type=pathlib.Path,
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nargs="*")
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args = parser.parse_args()
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if args.all_libs:
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path = pathlib.Path(allcellpath).expanduser()
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parts = path.parts[1:] if path.is_absolute() else path.parts
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paths = pathlib.Path(path.root).glob(str(pathlib.Path("").joinpath(*parts)))
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args.cell_dir = list(paths)
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cell_dirs = [d.resolve() for d in args.cell_dir if d.is_dir()]
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errors = 0
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for d in cell_dirs:
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try:
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process(d)
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except KeyboardInterrupt:
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sys.exit(1)
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except (AssertionError, FileNotFoundError, ChildProcessError) as ex:
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print (f'Error: {type(ex).__name__}')
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print (f'{ex.args}')
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errors +=1
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print (f'\n{len(cell_dirs)} files processed, {errors} errors.')
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return 0 if errors else 1
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if __name__ == "__main__":
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sys.exit(main())
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