Create Github Action for committing and pushing changes to submodules

.github/workflows/generate-rst.yml

@@ -0,0 +1,35 @@
+name: Generate cells docs
+
+on:
+    push:
+    pull_request:
+
+jobs:
+
+  generate-cells:
+    runs-on: ubuntu-18.04
+    steps:
+
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Generate cells READMEs
+        run: |
+          SUBMODULE_VERSION=latest make submodules -j3 || make submodules -j1
+
+          git submodule foreach 'git checkout master -q'
+
+          make env
+          source env/conda/bin/activate skywater-pdk-scripts
+          which python
+          python scripts/python-skywater-pdk/skywater_pdk/cells/list.py libraries/*/latest/
+          python scripts/python-skywater-pdk/skywater_pdk/cells/generate/readme.py libraries/*/latest/cells/*
+
+          git submodule foreach 'git add .'
+          export DAT=`date +"%Y-%m-%d %k:%M"`
+
+          # TODO replace below with appropriate credentials
+          git config --global user.email "[email protected]"
+          git config --global user.name "Github Action"
+          git submodule foreach 'git commit -q -m "$DAT" || true'

requirements.txt

@@ -3,6 +3,10 @@ flake8
 # rst_include tool as GitHub doesn't support `.. include::` when rendering
 # previews.
 rst_include
+docutils
+dataclasses
+dataclasses_json
+sphinx
 
 # The Python API for the SkyWater PDK.
 -e scripts/python-skywater-pdk

scripts/python-skywater-pdk/skywater_pdk/cells/generate/readme.py

@@ -0,0 +1,193 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright 2020 The SkyWater PDK Authors.
+#
+# Use of this source code is governed by the Apache 2.0
+# license that can be found in the LICENSE file or at
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# SPDX-License-Identifier: Apache-2.0
+
+''' This is a prototype of cell documentation generation script.
+'''
+
+import csv
+import json
+import os
+import sys
+import argparse
+import pathlib
+import glob
+import subprocess
+import textwrap
+
+
+readme_template ="""\
+{header}
+{headerUL}
+
+**{description}**
+
+*This is a stub of cell description file*
+
+-  **Cell name**: {name}
+-  **Type**: {deftype}
+-  **Verilog name**: {verilog_name}
+-  **Library**: {library}
+-  **Inputs**:  {inputs}
+-  **Outputs**: {outputs}
+
+Symbols
+-------
+
+.. list-table:: 
+
+    * - .. figure:: {symbol1}
+      -
+      - .. figure:: {symbol2}
+
+Schematic
+---------
+
+.. figure:: {schematic}
+    :align: center
+
+GDSII Layouts
+-------------
+
+"""
+
+figure_template ="""
+
+.. figure:: {fig}
+    :align: center
+    :width: 50%
+
+    {name}
+"""
+
+def write_readme(cellpath, define_data):
+    ''' Generates README for a given cell.
+
+    Args:
+        cellpath - path to a cell [str of pathlib.Path]
+        define_data - cell data from json [dic]
+
+    '''
+    netlist_json = os.path.join(cellpath, define_data['file_prefix']+'.json')
+    assert os.path.exists(netlist_json), netlist_json
+    outpath = os.path.join(cellpath, 'README.rst')
+
+    prefix = define_data['file_prefix'] 
+    header = prefix
+    symbol1 = prefix + '.symbol.svg'
+    symbol2 = prefix + '.pp.symbol.svg'
+    schematic = prefix + '.schematic.svg'
+    inputs = []
+    outputs = []
+    for p in define_data['ports']:
+        try:
+            if p[0]=='signal' and p[2]=='input':
+                inputs.append(p[1])
+            if p[0]=='signal' and p[2]=='output':
+                outputs.append(p[1])
+        except: 
+            pass
+    gdssvg = []       
+    svglist = list(pathlib.Path(cellpath).glob('*.svg'))
+    for s in svglist:
+        gdsfile = pathlib.Path(os.path.join(cellpath, s.stem +'.gds'))
+        if gdsfile.is_file():
+            gdssvg.append(s)
+
+    with open(outpath, 'w') as f:
+        f.write (readme_template.format (
+            header = header,
+            headerUL = '=' * len(header),
+            description = define_data['description'].rstrip('.'),
+            name = ':cell:`' + prefix +'`',
+            deftype = define_data['type'],
+            verilog_name = define_data['verilog_name'],
+            library = define_data['library'],
+            inputs  = f'{len(inputs)} ('  + ', '.join(inputs) + ')',
+            outputs = f'{len(outputs)} (' + ', '.join(outputs) + ')',
+            symbol1 = symbol1,
+            symbol2 = symbol2,
+            schematic = schematic,
+        ))
+        for gs in sorted(gdssvg):
+            f.write (figure_template.format (
+                fig  = gs.name,
+                name = gs.stem
+        ))
+
+def process(cellpath):
+    ''' Processes cell indicated by path.
+        Opens cell definiton and calls further processing
+
+    Args:
+        cellpath - path to a cell [str of pathlib.Path]
+    '''
+
+    print()
+    print(cellpath)
+    define_json = os.path.join(cellpath, 'definition.json')
+    if not os.path.exists(define_json):
+        print("No definition.json in", cellpath)
+    assert os.path.exists(define_json), define_json
+    define_data = json.load(open(define_json))
+
+    if define_data['type'] == 'cell':
+        write_readme(cellpath, define_data)
+
+    return
+
+
+def main():
+    ''' Generates README.rst for cell.'''
+
+    prereq_txt = ''
+    output_txt = 'output:\n  generates README.rst'
+    allcellpath = '../../../libraries/*/latest/cells/*'
+
+    parser = argparse.ArgumentParser(
+            description = main.__doc__,
+            epilog = prereq_txt +'\n\n'+ output_txt,
+            formatter_class=argparse.RawDescriptionHelpFormatter)
+    parser.add_argument(
+            "--all_libs",
+            help="process all cells in "+allcellpath,
+            action="store_true")
+    parser.add_argument(
+            "cell_dir",
+            help="path to the cell directory",
+            type=pathlib.Path,
+            nargs="*")
+
+    args = parser.parse_args()
+
+    if args.all_libs:
+        path = pathlib.Path(allcellpath).expanduser()
+        parts = path.parts[1:] if path.is_absolute() else path.parts
+        paths = pathlib.Path(path.root).glob(str(pathlib.Path("").joinpath(*parts)))
+        args.cell_dir = list(paths)
+
+    cell_dirs = [d.resolve() for d in args.cell_dir if d.is_dir()]
+
+    errors = 0
+    for d in cell_dirs:
+        try:
+            process(d)
+        except KeyboardInterrupt:
+            sys.exit(1)
+        except (AssertionError, FileNotFoundError, ChildProcessError) as ex:
+            print (f'Error: {type(ex).__name__}')
+            print (f'{ex.args}')
+            errors +=1
+    print (f'\n{len(cell_dirs)} files processed, {errors} errors.')
+    return 0 if errors else 1
+
+if __name__ == "__main__":
+    sys.exit(main())
+