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hiiktuu.py
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hiiktuu.py
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#!/usr/bin/env python3
# Hiiktuu. Parsing and translation with minimal dependency grammars.
#
########################################################################
#
# This file is part of the HLTDI L^3 project
# for parsing, generation, translation, and computer-assisted
# human translation.
#
# Copyright (C) 2014, HLTDI <gasser@cs.indiana.edu>
#
# This program is free software: you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation, either version 3 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# =========================================================================
# 2014.02.09
# -- Created
__version__ = 1.0
import hiiktuu
# Profiling
#import cProfile
#import pstats
def europarl_corpus(corpus=None, suffix='a', lines=0):
corpus = corpus or hiiktuu.Corpus('ep')
corpus.read("../../LingData/Es/Europarl/es-en/es-ep7" + suffix + ".anl", lines=lines)
return corpus
def monton():
return hiiktuu.Pattern(['montón', 'de', (None, (None, {('p', 'n')}))])
def test(verbosity=0):
piece_of_mind_parse_ung(verbosity=verbosity)
piece_of_mind_trans(verbosity=verbosity)
kick_the_bucket(verbosity=verbosity)
end_of_world(verbosity=verbosity)
never_eaten_fish(verbosity=verbosity)
never_eaten_fish_ungr(verbosity=verbosity)
cantar_las_cuarenta_I(verbosity=verbosity)
cantar_las_cuarenta_she(verbosity=verbosity)
def piece_of_mind_parse_ung(verbosity=0, all_sols=True):
"""
Eng parse.
Illustrates
(1) within SL agreement (fails because 'my' doesn't agree with 'gives')
"""
eng = hiiktuu.Language.load('eng')[0]
s = hiiktuu.Sentence(raw='Mary gives them a piece of my mind',
language=eng,
verbosity=verbosity)
# print("Parsing: {}".format(s.raw))
s.initialize(verbosity=verbosity)
s.solve(translate=False, verbosity=verbosity, all_sols=all_sols)
return s
def piece_of_mind_trans(verbosity=0, all_sols=True):
"""
Eng->Spa
Illustrates
(1) within SL agreement (succeeds because 'her' agrees with 'gives')
(2) SL-TL feature agreement
(3) SL-TL word count mismatch (SL > TL)
"""
eng, spa = hiiktuu.Language.load('eng', 'spa')
s = hiiktuu.Sentence(raw='Mary gives them a piece of her mind',
language=eng, target=spa,
verbosity=verbosity)
# print("Translating {} to {}".format(s.raw, s.target))
s.initialize(verbosity=verbosity)
s.solve(translate=True, verbosity=verbosity, all_sols=all_sols)
return s
def kick_the_bucket(verbosity=0, all_sols=True):
"""
Eng->Spa
Illustrates
(1) SL group ambiguity (search for solutions)
(2) SL-TL feature agreement
"""
eng, spa = hiiktuu.Language.load('eng', 'spa')
s = hiiktuu.Sentence(raw='John kicked the bucket', language=eng, target=spa,
verbosity=verbosity)
# print("Translating {} to {}".format(s.raw, s.target))
s.initialize(verbosity=verbosity)
s.solve(verbosity=verbosity, all_sols=all_sols)
return s
def end_of_world(verbosity=0, all_sols=True):
"""
Eng->Spa
it's the end of the world -> es el fin del mundo
Illustrates
(1) SL-TL word count mismatch (SL > TL)
"""
eng, spa = hiiktuu.Language.load('eng', 'spa')
s = hiiktuu.Sentence(raw="it's the end of the world", language=eng, target=spa,
verbosity=verbosity)
# print("Translating {} to {}".format(s.raw, s.target))
s.initialize(verbosity=verbosity)
s.solve(verbosity=verbosity, all_sols=all_sols)
return s
def ate_fish(verbosity=0, all_sols=True):
"""
Amh->Orm
አሳ በላ (he ate fish) -> qurxummii nyaate.
Illustrates
(1) SL-TL feature agreement
"""
amh, orm = hiiktuu.Language.load('amh', 'orm')
s = hiiktuu.Sentence(raw="አሳ በላ", language=amh, target=orm, verbosity=verbosity)
# print("Translating {} to {}".format(s.raw, s.target))
s.initialize(verbosity=verbosity)
s.solve(verbosity=verbosity, all_sols=all_sols)
return s
def never_eaten_fish(verbosity=0, trans=True, all_sols=True):
"""
Amh አሳ በልቶ አያውቅም 'he's never eaten fish'
Either parse (trans=False) or translate -> Orm: qurxummii nyaate hin beeku.
Illustrates
(1) SL-TL feature agreement
(2) SL-TL word count mismatch (SL < TL)
"""
amh, orm = hiiktuu.Language.load('amh', 'orm')
s = hiiktuu.Sentence(raw="አሳ በልቶ አያውቅም", language=amh, target=orm,
verbosity=verbosity)
s.initialize(verbosity=verbosity)
if trans:
# print("Translating {} to {}".format(s.raw, s.target))
s.solve(verbosity=verbosity, all_sols=all_sols)
else:
# print("Parsing: {}".format(s.raw))
s.solve(translate=False, verbosity=verbosity, all_sols=all_sols)
return s
def never_eaten_fish_ungr(trans=True, verbosity=0, all_sols=True):
"""
Amh አሳ በልተው አያውቅም 'he's never eaten fish' (ungrammatical because the
በልተው is 3rd person *plural* so it doesn't agree with አያውቅም).
Like the last case except since this is ungrammatical, no solution is
found that covers all of the words.
"""
amh, orm = hiiktuu.Language.load('amh', 'orm')
s = hiiktuu.Sentence(raw="አሳ በልተው አያውቅም", language=amh, target=orm,
verbosity=verbosity)
# print("Attempting to translate {} to {}".format(s.raw, s.target))
s.initialize(verbosity=verbosity)
s.solve(verbosity=verbosity, all_sols=all_sols)
return s
def cantar_las_cuarenta_she(trans=True, verbosity=0, all_sols=True):
"""
Spa->Eng
Paula les cantó las cuarenta -> Paula read them the riot act.
-> Paula gave them a piece of her mind.
Illustrates
(1) SL-TL feature agreement
(2) SL-TL mismatch in word count (SL < TL)
(3) SL-TL mismatch in word order
(4) SL word not associated with any group
(5) within-TL-group agreement
"""
spa, eng = hiiktuu.Language.load('spa', 'eng')
s = hiiktuu.Sentence(raw="Paula les cantó las cuarenta",
language=spa, target=eng if trans else None,
verbosity=verbosity)
# print("Translating {} to {}".format(s.raw, s.target))
s.initialize(verbosity=verbosity)
s.solve(translate=trans, verbosity=verbosity, all_sols=all_sols)
return s
def cantar_las_cuarenta_I(trans=True, verbosity=0, all_sols=True):
"""
Spa->Eng
les canté las cuarenta -> read them the riot act.
-> gave them a piece of my mind.
Illustrates
(1) SL-TL feature agreement
(2) SL-TL mismatch in word count (SL < TL)
(3) SL-TL mismatch in word order
(4) SL word not associated with any group
(5) within-TL-group agreement
"""
spa, eng = hiiktuu.Language.load('spa', 'eng')
s = hiiktuu.Sentence(raw="les canté las cuarenta",
language=spa, target=eng if trans else None,
verbosity=verbosity)
# print("Translating {} to {}".format(s.raw, s.target))
s.initialize(verbosity=verbosity)
s.solve(translate=trans, verbosity=verbosity, all_sols=all_sols)
return s
def ui():
"""Create a UI and two languages."""
u = hiiktuu.UI()
e, s = hiiktuu.Language("English", 'eng'), hiiktuu.Language("español", 'spa')
return u, e, s
##def agr_test1():
## # This should constraint seq vars seq0 and seq2 to be {2} and {3}
## sel = hiiktuu.DetVar('sel', {(0, 1, ('sn', 'sn'), ('sp', 'sp')),
## (2, 3, ('tam', 'tns'))})
## seq = [hiiktuu.Var('seq0', set(), {1, 2}, 1, 1), hiiktuu.DetVar('seq1', {0}),
## hiiktuu.Var('seq2', set(), {3, 5}, 1, 1), hiiktuu.DetVar('seq3', {4})]
## feat = [hiiktuu.DetLVar('f0', [hiiktuu.Features({'sn': 0, 'sp': 3})]),
## hiiktuu.DetLVar('f1', [hiiktuu.Features({'sn': 1})]),
## hiiktuu.DetLVar('f2', [hiiktuu.Features({'sn': 0, 'sp': 3, 'sg': 1})]),
## hiiktuu.DetLVar('f3', [hiiktuu.Features({'tam': 'ps'})]),
## hiiktuu.DetLVar('f4', [hiiktuu.Features({'tns': 'ps'})]),
## hiiktuu.DetLVar('f5', [hiiktuu.Features({'tam': 'pr'})])]
## agr = hiiktuu.AgrSelection(feat, sel, seq)
## return agr
##
##def agr_test2():
## # This should constrain feat var f0 to [{sn: 1, sp: 3}]
## sel = hiiktuu.DetVar('sel', {(0, 1, ('sn', 'sn'), ('sp', 'sp')),
## (2, 3, ('tam', 'tns'))})
## seq = [hiiktuu.DetVar('seq0', {2}), hiiktuu.DetVar('seq1', {0}),
## hiiktuu.Var('seq2', set(), {3, 5}, 1, 1), hiiktuu.DetVar('seq3', {4})]
## feat = [hiiktuu.LVar('f0', [], [hiiktuu.Features({'sn': 0, 'sp': 3}),
## hiiktuu.Features({'sn': 0, 'sp': 2}),
## hiiktuu.Features({'sn': 1, 'sp': 3})],
## 1, 1),
## hiiktuu.DetLVar('f1', [hiiktuu.Features({'sn': 1})]),
## hiiktuu.DetLVar('f2', [hiiktuu.Features({'sn': 0, 'sp': 3, 'sg': 1})]),
## hiiktuu.DetLVar('f3', [hiiktuu.Features({'tam': 'ps'})]),
## hiiktuu.DetLVar('f4', [hiiktuu.Features({'tns': 'ps'})]),
## hiiktuu.DetLVar('f5', [hiiktuu.Features({'tam': 'pr'})])]
## agr = hiiktuu.AgrSelection(feat, sel, seq)
## return agr
##
##def agr_test3():
## # This should fail.
## sel = hiiktuu.DetVar('sel', {(0, 1, ('sn', 'sn'), ('sp', 'sp')),
## (2, 3, ('tam', 'tns'))})
## seq = [hiiktuu.DetVar('seq0', {2}), hiiktuu.DetVar('seq1', {0}),
## hiiktuu.Var('seq2', set(), {3, 5}, 1, 1), hiiktuu.DetVar('seq3', {4})]
## feat = [hiiktuu.LVar('f0', [], [hiiktuu.Features({'sn': 0, 'sp': 3}),
## hiiktuu.Features({'sn': 0, 'sp': 2}),
## hiiktuu.Features({'sn': 1, 'sp': 3})],
## 1, 1),
## hiiktuu.DetLVar('f1', [hiiktuu.Features({'sn': 1})]),
## hiiktuu.DetLVar('f2', [hiiktuu.Features({'sn': 0, 'sp': 1, 'sg': 1})]),
## hiiktuu.DetLVar('f3', [hiiktuu.Features({'tam': 'ps'})]),
## hiiktuu.DetLVar('f4', [hiiktuu.Features({'tns': 'ps'})]),
## hiiktuu.DetLVar('f5', [hiiktuu.Features({'tam': 'pr'})])]
## agr = hiiktuu.AgrSelection(feat, sel, seq)
## return agr
##
##def agr_test4():
## # This should be entailed.
## sel = hiiktuu.DetVar('sel', {(0, 1, ('sn', 'sn'), ('sp', 'sp')),
## (2, 3, ('tam', 'tns'))})
## seq = [hiiktuu.DetVar('seq0', {2}), hiiktuu.DetVar('seq1', {0}),
## hiiktuu.Var('seq2', set(), {3, 5}, 1, 1), hiiktuu.DetVar('seq3', {4})]
## feat = [hiiktuu.LVar('f0', [], [hiiktuu.Features({'sn': 0, 'sp': 1}),
## hiiktuu.Features({'sn': 0, 'sp': 1, 'sg': 1}),
## hiiktuu.Features({'sn': 0, 'sg': 3})],
## 1, 1),
## hiiktuu.DetLVar('f1', [hiiktuu.Features({'sn': 1})]),
## hiiktuu.DetLVar('f2', [hiiktuu.Features({'sn': 0, 'sp': 1, 'sg': 1})]),
## hiiktuu.DetLVar('f3', [hiiktuu.Features({'tam': 'ps'})]),
## hiiktuu.DetLVar('f4', [hiiktuu.Features({'tns': 'ps'})]),
## hiiktuu.DetLVar('f5', [hiiktuu.Features({'tam': 'ps', 'sn': 2})])]
## agr = hiiktuu.AgrSelection(feat, sel, seq)
## return agr
if __name__ == "__main__":
print('HIIKTUU, version {}\n'.format(__version__))