def test_ds_cycle(self):
"""
The tree in the ds_cycle file has "woman" depend both
on "arriving" and "browse."
"""
xc = xc_load(ds_cycle)
inst = xc[0]
# 1 2 4 5 7 8 9
# The woman, (after) arriving, began to browse.
# (The commas count as words, hence the skipping)
tgt_t = DepTree.fromstring("""
(ROOT[0]
(began[7]
(woman[2]
(The[1])
(\(after\)[4] (arriving[5])))
(browse[9]
(woman[2])
(to[8])
)
))
""", stype=DEPSTR_PTB)
ds = get_ds(inst, trans(inst))
self.assertTrue(tgt_t.structurally_eq(ds))
self.assertIsNone(project_ds_tier(inst))
def set_bilingual_align_test(self):
"""
Set the bilingual alignment manually, and ensure that it is read back correctly.
"""
a = Alignment([(1,1),(1,2),(2,8),(4,3),(5,7),(6,5)])
set_bilingual_alignment(self.igt, trans(self.igt), glosses(self.igt), a, INTENT_ALN_MANUAL)
get_trans_glosses_alignment(self.igt, INTENT_ALN_MANUAL)
def test_read_proj_ds_tree(self):
src_t = get_ds(self.inst2, trans(self.inst2))
tgt_w = lang(self.inst2)
aln = get_trans_gloss_alignment(self.inst2)
tgt_t = DepTree.fromstring("""
(ROOT[0]
(glaubst[2]
(Was[1])
(Du[3])
(wer[4])
(angerufen[5] (hat[6]))
))
""", stype=DEPSTR_PTB)
proj_t = project_ds(src_t, tgt_w, aln)
self.assertTrue(proj_t.structurally_eq(tgt_t))
def extract_sents_from_inst(inst: Igt, out_src, out_tgt, aln_method=None, no_alignment_heur = True, sent_type=SENT_TYPE_T_G):
"""
Extract parallel sentences from an instance. Either:
1) Translation--Gloss
2) Translation--Language
"""
# -------------------------------------------
# 1) Get the source string (translation)
# -------------------------------------------
src_str = tier_text(trans(inst), remove_whitespace_inside_tokens=True).lower()
# -------------------------------------------
# 2) Decide whether the target string is gloss or language.
# -------------------------------------------
if sent_type == SENT_TYPE_T_L:
tgt_str = tier_text(lang(inst), remove_whitespace_inside_tokens=True).lower()
elif sent_type == SENT_TYPE_T_G:
tgt_str = tier_text(gloss(inst), remove_whitespace_inside_tokens=True).lower()
else:
raise Exception("Invalid sent type")
# -------------------------------------------
# 3) Write the choice out to disk.
# -------------------------------------------
out_src.write(src_str + '\n')
out_tgt.write(tgt_str + '\n')
out_src.flush()
out_tgt.flush()
# -------------------------------------------
# 4) Add heuristic alignments, if asked for.
# -------------------------------------------
if not no_alignment_heur:
pairs = get_trans_aligned_wordpairs(inst, aln_method=aln_method, add_align=True, sent_type=sent_type)
for src_word, tgt_word in pairs:
out_src.write(src_word.lower() + '\n')
out_tgt.write(tgt_word.lower() + '\n')
def enrich(**kwargs):
global classifier
if ARG_OUTFILE not in kwargs:
ENRICH_LOG.critical("No output file specified.")
sys.exit()
# =============================================================================
# Set up the alternate classifier path...
# =============================================================================
class_path = kwargs.get('class_path')
#===========================================================================
# Set up the different arguments...
#===========================================================================
inpath = kwargs.get(ARG_INFILE)
parse_args = kwargs.get(PARSE_VAR, [])
pos_args = kwargs.get(POS_VAR, [])
aln_args = kwargs.get(ALN_VAR, [])
max_parse_length = kwargs.get('max_parse_length', 10)
if not (parse_args or pos_args or aln_args):
ENRICH_LOG.warning("No enrichment specified. Basic processing only will be performed.")
#===========================================================================
# Sanity check the arguments.
#===========================================================================
# Check that alignment is asked for if projection is asked for.
if (ARG_POS_PROJ in pos_args or ARG_PARSE_PROJ in parse_args) and (not aln_args):
ENRICH_LOG.warn("You have asked for projection methods but have not requested " + \
"alignments to be generated. Projection may fail if alignment not already present in file.")
ENRICH_LOG.log(1000, 'Loading input file...')
with open(inpath, 'r', encoding='utf-8') as in_f:
corp = xigtxml.load(in_f, mode=INCREMENTAL)
# -------------------------------------------
# Initialize the English tagger if:
# A) "proj" option is selected for pos.
# B) "trans" option is given for pos.
# C) "heurpos" option is given for alignment.
# -------------------------------------------
s = None
if ARG_POS_PROJ in pos_args or ARG_POS_TRANS in pos_args or ARG_ALN_HEURPOS in aln_args:
ENRICH_LOG.log(1000, 'Initializing tagger...')
tagger = c.getpath('stanford_tagger_trans')
try:
s = StanfordPOSTagger(tagger)
except TaggerError as te:
ENRICH_LOG.critical(te)
sys.exit(2)
# -------------------------------------------
# Initialize the parser if:
# A) "trans" option is given for parse
# B) "proj" option is given for parse.
# -------------------------------------------
if ARG_PARSE_TRANS in parse_args or ARG_PARSE_PROJ in parse_args:
ENRICH_LOG.log(1000, "Intializing English parser...")
sp = stanford_parser.StanfordParser()
# -------------------------------------------
# Initialize the classifier if:
# A) "class" option is given for pos
# B) "heurpos" option is given for alignment.
# -------------------------------------------
m = None
if ARG_POS_CLASS in pos_args or ARG_ALN_HEURPOS in aln_args:
ENRICH_LOG.log(1000, "Initializing gloss-line classifier...")
p = load_posdict()
m = mallet_maxent.MalletMaxent(classifier)
# -- 1b) Giza Gloss to Translation alignment --------------------------------------
if ARG_ALN_GIZA in aln_args or ARG_ALN_GIZAHEUR in aln_args:
ENRICH_LOG.log(1000, 'Aligning gloss and translation lines using mgiza++...')
try:
if ARG_ALN_GIZAHEUR in aln_args:
giza_align_t_g(corp, resume=True, use_heur=True, symmetric=kwargs.get(ALN_SYM_VAR, SYMMETRIC_INTERSECT))
if ARG_ALN_GIZA in aln_args:
giza_align_t_g(corp, resume=True, use_heur=False, symmetric=kwargs.get(ALN_SYM_VAR, SYMMETRIC_INTERSECT))
except GizaAlignmentException as gae:
gl = logging.getLogger('giza')
gl.critical(str(gae))
raise gae
# -------------------------------------------
# Begin iterating through the corpus
# -------------------------------------------
for inst in corp:
feedback_string = 'Instance {:15s}: {{:20s}}{{}}'.format(inst.id)
reasons = []
inst_status = None
def fail(reason):
nonlocal inst_status, reasons
if reason not in reasons:
reasons.append(reason)
inst_status = 'WARN'
def success():
nonlocal inst_status
inst_status = 'OK'
# -------------------------------------------
# Define the reasons for failure
# -------------------------------------------
F_GLOSS_LINE = "NOGLOSS"
F_LANG_LINE = "NOLANG"
F_TRANS_LINE = "NOTRANS"
F_BAD_LINES = "BADLINES"
F_L_G_ALN = "L_G_ALIGN"
F_T_G_ALN = "G_T_ALIGN"
F_NO_TRANS_POS="NO_POS_TRANS"
F_PROJECTION = "PROJECTION"
F_UNKNOWN = "UNKNOWN"
F_PARSELEN = "OVER_MAX_LENGTH"
try:
# -------------------------------------------
# Get the different lines
# -------------------------------------------
def tryline(func):
nonlocal inst
try:
return func(inst)
except NoNormLineException as nnle:
return None
gl = tryline(gloss_line)
tls = tryline(trans_lines)
lls = tryline(lang_lines)
has_gl = gl is not None
has_tl = tls is not None
has_ll = lls is not None
has_all = lambda: (has_gl and has_tl and has_ll)
# -------------------------------------------
# Translation Line
# -------------------------------------------
if has_tl:
if ARG_POS_PROJ in pos_args or ARG_POS_TRANS in pos_args or ARG_ALN_HEURPOS in aln_args:
try:
tag_trans_pos(inst, s)
except CriticalTaggerError as cte:
ENRICH_LOG.critical(str(cte))
sys.exit(2)
if ARG_PARSE_PROJ in parse_args or ARG_PARSE_TRANS in parse_args:
if len(trans(inst)) <= max_parse_length:
parse_translation_line(inst, sp, pt=True, dt=True)
else:
fail(F_PARSELEN)
# 4) POS tag the gloss line --------------------------------------------
if has_gl:
if ARG_POS_CLASS in pos_args or ARG_ALN_HEURPOS in aln_args:
classify_gloss_pos(inst, m, posdict=p)
# -------------------------------------------
# Try getting alignments.
# -------------------------------------------
if has_gl and has_ll:
try:
add_gloss_lang_alignments(inst)
except GlossLangAlignException as glae:
fail(F_L_G_ALN)
if has_gl and has_tl:
if ARG_ALN_HEURPOS in aln_args:
heur_align_inst(inst, use_pos=True)
if ARG_ALN_HEUR in aln_args:
heur_align_inst(inst, use_pos=False)
# -------------------------------------------
# Now, do the necessary projection tasks.
# -------------------------------------------
# Project the classifier tags...
if has_ll and has_gl and ARG_POS_CLASS in pos_args:
try:
project_gloss_pos_to_lang(inst, tag_method=INTENT_POS_CLASS)
except GlossLangAlignException:
fail(F_L_G_ALN)
# -------------------------------------------
# Do the trans-to-lang projection...
# -------------------------------------------
if has_all():
proj_aln_method = ALN_ARG_MAP[kwargs.get('proj_aln', ARG_ALN_ANY)]
aln = get_trans_gloss_alignment(inst, aln_method=proj_aln_method)
if not aln or len(aln) == 0:
fail(F_T_G_ALN)
else:
# -------------------------------------------
# POS Projection
# -------------------------------------------
if ARG_POS_PROJ in pos_args:
trans_tags = trans_tag_tier(inst)
if not trans_tags:
fail(F_NO_TRANS_POS)
else:
project_trans_pos_to_gloss(inst)
try:
project_gloss_pos_to_lang(inst, tag_method=INTENT_POS_PROJ)
except GlossLangAlignException as glae:
fail(F_L_G_ALN)
# -------------------------------------------
# Parse projection
# -------------------------------------------
if ARG_PARSE_PROJ in parse_args:
try:
project_pt_tier(inst, proj_aln_method=proj_aln_method)
except PhraseStructureProjectionException as pspe:
fail(F_PROJECTION)
except NoAlignmentProvidedError as nape:
fail(F_T_G_ALN)
try:
project_ds_tier(inst, proj_aln_method=proj_aln_method)
except ProjectionException as pe:
fail(F_PROJECTION)
except NoAlignmentProvidedError as nape:
fail(F_T_G_ALN)
# Sort the tiers... ----------------------------------------------------
inst.sort_tiers()
except Exception as e:
# ENRICH_LOG.warn("Unknown Error occurred processing instance {}".format(inst.id))
ENRICH_LOG.debug(e)
# raise(e)
fail(F_UNKNOWN)
if not reasons:
success()
ENRICH_LOG.info(feedback_string.format(inst_status, ','.join(reasons)))
ENRICH_LOG.log(1000, 'Writing output file...')
if hasattr(kwargs.get(ARG_OUTFILE), 'write'):
xigtxml.dump(kwargs.get(ARG_OUTFILE), corp)
else:
xigtxml.dump(writefile(kwargs.get(ARG_OUTFILE)), corp)
ENRICH_LOG.log(1000, 'Done.')
ENRICH_LOG.log(1000, "{} instances written.".format(len(corp)))
def naacl_to_xigt(naacl_path):
"""
Convert the NAACL format to XIGT.
:param naacl_path:
"""
content = open(naacl_path, 'r').read()
# First, collect all the instances.
instances = re.findall('Igt_id[\s\S]+?Q6.*Answer', content)
xc = XigtCorpus()
for instance_txt in instances:
# id = re.search('Igt_id=([\S]+)', instance_txt).group(1)
inst = Igt(id='i{}'.format(len(xc)))
lang_raw, gloss_raw, trans_raw = instance_txt.split('\n')[1:4]
# Now, create the raw tier...
raw_tier = Tier(id=gen_tier_id(inst, 'r'), type='odin', attributes={STATE_ATTRIBUTE:RAW_STATE})
raw_tier.append(Item(id=ask_item_id(raw_tier), text=lang_raw, attributes={ODIN_TAG_ATTRIBUTE:ODIN_LANG_TAG}))
raw_tier.append(Item(id=ask_item_id(raw_tier), text=gloss_raw, attributes={ODIN_TAG_ATTRIBUTE:ODIN_GLOSS_TAG}))
raw_tier.append(Item(id=ask_item_id(raw_tier), text=trans_raw, attributes={ODIN_TAG_ATTRIBUTE:ODIN_TRANS_TAG}))
inst.append(raw_tier)
xc.append(inst)
# Generate the clean/normal tiers, but without any cleaning.
generate_normal_tier(inst, clean=False)
# Lang Dependency representation handling...
lang_ds_str = re.search('Q6:([\s\S]+?)Q6:', instance_txt).group(1)
lang_ds_lines = lang_ds_str.split('\n')[5:-3]
try:
lang_dt = parse_naacl_dep(lang(inst), lang_ds_lines)
create_dt_tier(inst, lang_dt, lang(inst), parse_method=INTENT_POS_MANUAL)
except TreeError as te:
pass
except IndexError as ie:
pass
# Eng DS handling...
eng_ds_str = re.search('Q3:([\s\S]+?)Q3:', instance_txt).group(1)
eng_ds_lines = eng_ds_str.split('\n')[2:-3]
try:
eng_dt = parse_naacl_dep(trans(inst), eng_ds_lines)
create_dt_tier(inst, eng_dt, trans(inst), parse_method=INTENT_POS_MANUAL)
except TreeError as te:
pass
except IndexError as ie:
pass
except ValueError as ve:
pass
# Add Alignment...
biling_aln_str = re.search('Q5:([\s\S]+?)Q5:', instance_txt).group(1)
biling_aln_lines = biling_aln_str.split('\n')[4:-3]
trans_offset = trans_raw.startswith(' ')
gloss_offset = gloss_raw.startswith(' ')
try:
a = Alignment()
for line in biling_aln_lines:
gloss_s, trans_s = line.split()[0:2]
if '.' in gloss_s:
continue
gloss_i = int(gloss_s)
for trans_token in trans_s.split(','):
trans_i = int(trans_token)
if trans_i == 0:
continue
else:
if trans_offset:
trans_i -= 1
if gloss_offset:
gloss_i -= 1
a.add((trans_i, gloss_i))
except:
pass
set_bilingual_alignment(inst, trans(inst), gloss(inst), a, aln_method=INTENT_ALN_MANUAL)
return xc
def line_test(self):
"""
Test that lines are rendered correctly.
"""
self.assertEqual(tier_text(gloss(self.igt)), 'I-Nom child-Dat rice-Acc eat-Caus-Pst-Dec')
self.assertEqual(tier_text(trans(self.igt)), 'I made the child eat rice')
def convert_pml(aln_path, out_path, hindi=True):
if hindi:
igt_data = retrieve_hindi()
else:
igt_data = retrieve_naacl()
a_root = load_xml(aln_path)
doc_a = a_root.find(".//reffile[@name='document_a']").get('href')
doc_b = a_root.find(".//reffile[@name='document_b']").get('href')
doc_a = os.path.join(os.path.join(os.path.dirname(aln_path), doc_a))
doc_b = os.path.join(os.path.join(os.path.dirname(aln_path), doc_b))
# Load the sentences for each document.
a_sents, a_glossed = load_sents(doc_a)
b_sents, b_glossed = load_sents(doc_b)
sent_alignments = a_root.findall(".//body/LM")
assert (a_glossed and not b_glossed) or (b_glossed and not a_glossed), "Only one file should have glosses"
xc = XigtCorpus()
for sent_alignment in sent_alignments:
# Get the sentence id...
aln_id = sent_alignment.attrib.get('id')
a_snt_id = re.search('^.+?-(.*)$', aln_id).group(1)
if a_snt_id not in igt_data:
continue
# Get the text and tokens from the naacl data.
pre_txt, lang_txt, gloss_txt, trans_txt = igt_data[a_snt_id]
lang_tokens = lang_txt.split()
gloss_tokens = gloss_txt.split()
trans_tokens = trans_txt.split()
a_snt_ref = sent_alignment.find('./tree_a.rf').text.split('#')[1]
b_snt_ref = sent_alignment.find('./tree_b.rf').text.split('#')[1]
word_alignments = sent_alignment.findall('./node_alignments/LM')
a_snt, a_edges = a_sents[a_snt_ref]
b_snt, b_edges = b_sents[b_snt_ref]
assert isinstance(a_snt, Sentence)
assert isinstance(b_snt, Sentence)
# -------------------------------------------
# Skip sentences if they are not found for whatever reason
# -------------------------------------------
if not a_snt or not b_snt:
continue
# -------------------------------------------
# Start constructing the IGT Instance.
# -------------------------------------------
trans_snt, trans_indices = a_snt, a_edges
gloss_snt, gloss_indices = b_snt, b_edges
if a_glossed:
trans_snt, trans_indices = b_snt, b_edges
gloss_snt, gloss_indices = a_snt, a_edges
# Hindi stuff...
if hindi:
lang_tokens = [w.text for w in gloss_snt]
lang_postags = [w.pos for w in gloss_snt]
lang_txt = ' '.join(lang_tokens)
trans_tokens = [w.text for w in trans_snt]
trans_postags = [w.pos for w in trans_snt]
trans_txt = ' '.join(trans_tokens)
gloss_tokens = [w.gloss if w.gloss else 'NULL' for w in gloss_snt]
gloss_postags = lang_postags
gloss_txt = ' '.join(gloss_tokens)
inst = Igt(id=re.sub('s-', 'igt', a_snt_ref))
nt = Tier(type=ODIN_TIER_TYPE, id=NORM_ID, attributes={STATE_ATTRIBUTE:NORM_STATE})
ll = Item(id='n1', attributes={ODIN_TAG_ATTRIBUTE:ODIN_LANG_TAG}, text=lang_txt)
gl = Item(id='n2', attributes={ODIN_TAG_ATTRIBUTE:ODIN_GLOSS_TAG}, text=gloss_txt)
tl = Item(id='n3', attributes={ODIN_TAG_ATTRIBUTE:ODIN_TRANS_TAG}, text=trans_txt)
nt.extend([ll,gl,tl])
inst.append(nt)
# -------------------------------------------
# Handle the phrase tiers
# -------------------------------------------
generate_lang_phrase_tier(inst)
generate_trans_phrase_tier(inst)
def process_postags(sent, tokens):
postags = []
for i, token in enumerate(tokens):
word = sent.getorder(i+1)
if word is None:
postags.append(None)
else:
postags.append(word.pos)
return postags
# -------------------------------------------
# Now, handle the translation words.
# -------------------------------------------
tt = create_word_tier(ODIN_TRANS_TAG, trans_tokens, trans_phrase(inst)[0])
inst.append(tt)
if not hindi:
trans_postags = process_postags(trans_snt, trans_tokens)
add_pos_tags(inst, tt.id, trans_postags, tag_method=INTENT_POS_MANUAL)
# -------------------------------------------
# Handle the words tiers...
# -------------------------------------------
wt = create_word_tier(ODIN_LANG_TAG, lang_tokens, lang_phrase(inst)[0])
gwt= create_word_tier(ODIN_GLOSS_TAG, gloss_tokens, gl)
inst.extend([wt, gwt])
# Quickly set the alignment for the gloss words.
for w, gw in zip(wt, gwt):
gw.alignment = w.id
if not hindi:
lang_postags = process_postags(gloss_snt, gloss_tokens)
gloss_postags = lang_postags
add_pos_tags(inst, wt.id, lang_postags, tag_method=INTENT_POS_MANUAL)
add_pos_tags(inst, gwt.id, gloss_postags, tag_method=INTENT_POS_MANUAL)
create_dt_tier(inst, assemble_ds(gloss_snt, gloss_indices), wt, INTENT_DS_MANUAL)
create_dt_tier(inst, assemble_ds(trans_snt, trans_indices), tt, INTENT_DS_MANUAL)
# -------------------------------------------
# Now, the word alignments.
# -------------------------------------------
a = Alignment()
for word_alignment in word_alignments:
a_ref = word_alignment.find('./a.rf').text.split('#')[1]
b_ref = word_alignment.find('./b.rf').text.split('#')[1]
a_word = a_snt.getid(a_ref)
b_word = b_snt.getid(b_ref)
if a_word is None or b_word is None:
continue
if not hindi:
a_idx = a_word.order
b_idx = b_word.order
else:
a_idx = a_snt.index(a_word)+1
b_idx = b_snt.index(b_word)+1
# Make sure the gloss is in the
if a_glossed:
trans_idx = b_idx
lang_idx = a_idx
else:
trans_idx = a_idx
lang_idx = b_idx
a.add((trans_idx, lang_idx))
set_bilingual_alignment(inst, trans(inst), lang(inst), a, INTENT_ALN_MANUAL)
set_bilingual_alignment(inst, trans(inst), gloss(inst), a, INTENT_ALN_MANUAL)
xc.append(inst)
with open(out_path, 'w', encoding='utf-8') as f:
xigtxml.dump(f, xc)
def test_read_ds_tree(self):
ds = get_ds(self.inst1, trans(self.inst1))
r = DepTree.fromstring("""(ROOT[0] (found[2] (Someone[1]) (them[3]) (boring[4])))""", stype=DEPSTR_PTB)
self.assertTrue(r.structurally_eq(ds))
