fqbn.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

from __future__ import print_function
import re
import os
import sys
import json
import argparse
import collections

desc = 'Arduino boards.txt parser for FQBN details'

parser = argparse.ArgumentParser(description=desc)
parser.add_argument('--machine', action='store_true',
                    help='machine json')
parser.add_argument('--json', action='store_true',
                    help='json')
args = parser.parse_args()

if not args.machine:
  print('#')
  print('# -- ' + desc + ' --')
  print('#')
  print('# random example:')
  print('#     esp8266com:esp8266:d1:xtal=80,vt=flash,exception=disabled,eesz=4M,ip=lm2f,dbg=Disabled,lvl=None____,wipe=none,baud=460800')
  print('#')
  print('# description of possible values in configurable menu entries:')
  print('# (run with \'--machine\' for machine version)')
  print('#')
  print('#')

REmenuentry = re.compile('^([^\.]*)\.menu\.([^\.]*)\.([^\.]*)(?:\.linux|\.macos|\.windows|)=(.*)')
REmenudesc = re.compile('^menu\.([^\.]*)=(.*)')
REmenuinternal = re.compile('^([^\.]*)\.([^\.]*)\.([^\.]*)=(.*)')

menudescs = collections.OrderedDict([ ( 'UploadTool', 'Upload Tool' ) ])
menuentries = collections.OrderedDict([ ])
boards = collections.OrderedDict([ ])

boardstxt = False
for f in ( "../boards.txt", "boards.txt" ):
  if os.path.isfile(f):
    boardstxt = open(f)
if not boardstxt:
  print("cannot open " + f)
  sys.exit(1)

line = boardstxt.readline()

while line:

  catch = REmenudesc.match(line)
  if catch:
    #print("menudesc " + str(catch.groups()))
    menudescs.update(collections.OrderedDict([ ( catch.group(1), catch.group(2) ) ]))

  catch = REmenuentry.match(line)
  if catch:
    #print("menuentry " + str(catch.groups()))
    if not catch.group(2) in menuentries:
      menuentries.update(collections.OrderedDict([(catch.group(2), collections.OrderedDict([]))]))
    menuentries[catch.group(2)].update(collections.OrderedDict([(catch.group(3), catch.group(4))]))

  catch = REmenuinternal.match(line)
  if catch:
     #print("menuinternal " + str(catch.groups()))
     if catch.group(3) == 'board':
       boards.update(collections.OrderedDict([ (catch.group(1), catch.group(4)) ]))

  line = boardstxt.readline()

# end parsing
# now formatting

all = { }

all["options"] = [ ]
for entry in menuentries:
  list = [ ]
  for value in menuentries[entry]:
    subdict = { }
    subdict["value"] = value
    subdict["description"] = menuentries[entry][value]
    list.append(subdict)
  dict = { }
  dict["values"] = list
  dict["ID"] = entry
  dict["description"] = menudescs[entry]
  all["options"].append(dict)

all["menus"] = [ ]
for desc in menudescs:
  dict = { }
  dict["description"] = menudescs[desc]
  dict["ID"] = desc
  all["menus"].append(dict)

all["boards"] = [ ]
for board in boards:
  dict = { }
  dict["description"] = boards[board]
  dict["ID"] = board
  all["boards"].append(dict)

# display

if args.machine:
  print(json.dumps(all))
elif args.json:
  print(json.dumps(all, indent=2))
  print()
else:
  print('FQBN parameters:')
  #for entry in menuentries:
  for desc in menudescs:
    entry = desc
    print()
    print('    ' + entry + ':  (' + menudescs[entry] + ')')
    for value in menuentries[entry]:
      print('%20s'%value + '    => ' + menuentries[entry][value])
  print()