Python ULF-to-English

Maps Unscoped Logical Form (ULF) formulas to English sentences. A Python port of the original Common Lisp ulf2english implementation by Gene Kim.

Dependencies

• pattern; If using Python 3, install with pip install pattern.
• ulflib
• transduction
• memoization

Summary

Install the package using pip install ulf2english.

The following example shows how to convert ULF to English using the package:

from ulf2english import ulf2english

ulf = ['this.pro', [['pres', 'be.v'], ['=', ['a.d', ['test.n', 'ulf.n']]]]]
ulf2english.convert(ulf)
# -> "This is a test ulf."

The following optional parameters can be given to the convert function:

• add_punct = False : omit any final punctuation in the generated sentence.
• capitalize_front = False : do not capitalize the first word in the generated sentence.
• add_commas = True : add commas to the generated sentence in particular sub-expressions.
• standardize = True : standardize the generated sentence by converting to all-lowercase and adding space around all punctuation.
• verbose = True : print the intermediate staged output after each processing stage.