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A Python parser for TunerStudio INI files

Example:

import sys
from ts_ini_parser import TsIniParser, DataClassTransformer

parser = TsIniParser()
parser.define('LAMBDA', True)
parser.define('ALPHA_N', True)
with open(sys.argv[1], 'r') as  file:
  tree = parser.parse(file)
  # tree will contain the parsed INI file as a Lark Tree
  # object with any #if preprocessing directives applied
  #
  # The Lark tree conatins a lot of detail that most consumers
  # won't need. It's main appeal is that the tree elements can
  # be tied back to the file lines & columns
  #
  # Apply a predefined transform to convert the tree into
  # an idiomatic Python object tree
  dataclass = DataClassTransformer().transform(tree)

  injBatRates = dataclass['Constants'][6]['injBatRates']
  print(injBatRates.dim1d)

Note that this parser is less tolerant of format issues than TunerStudio:

  • Key-value pairs: the value must be comma delimited (TunerStudio tolerates spaces)
  • There must be a blank line at the end
  • Expression markers ("{", "}") and parentheses ("(", ")") must be balanced
  • All identifiers must be Java/C/C++ identifers (no spaces, quotes etc.)