-
Notifications
You must be signed in to change notification settings - Fork 0
/
parad2aligned2zerofilled.py
190 lines (164 loc) · 6.9 KB
/
parad2aligned2zerofilled.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
import argparse
argparser = argparse.ArgumentParser("python3 parad2aligned2zerofilled.py",
description="Aligns a set of word forms with morph boundaries")
argparser.add_argument("-i", "--segmented-words",
default="inari-segm.csv",
help="moprheme names and the segmented example word forms as a CSV file")
argparser.add_argument("-o", "--aligned-words",
default="inari-aligned.csv",
help="example words plus zero-filled aligned forms as a CSV file")
argparser.add_argument("-s", "--morph-separator",
default=".",
help="separator between morphs in the word form")
argparser.add_argument("-d", "--csv-delimiter",
default=",",
help="delimiter between the two fields")
argparser.add_argument("-n", "--name-separator",
default=" ",
help="separator between morpheme names in the morpheme list")
argparser.add_argument("-z", "--zero-symbol",
default="Ø",
help="symbol to be inserted in word forms in order to align them")
args = argparser.parse_args()
# STEP 1:
# Read in the segmented words and collect the allomorphs of each morpheme
import re, csv
from orderedset import OrderedSet
import collections
# all allomorphs are collected into the following dict where
# index: morpheme name, value: allomorphs as an ordered set
morph_set = {}
# all example words are collected into the following list where
# each word is represented as a list of (morpheme,morph) pairs
seg_example_list = []
csvfile = open(args.segmented_words)
csv.excel.delimiter = args.csv_delimiter
reader = csv.DictReader(csvfile)
i = 0
morph_set = {}
for row in reader:
#print(row)###
morpheme_list = row["MORPHEMES"].strip().split(args.name_separator)
#print(row["MORPHEMES"])###
#print(len(morpheme_list))###
morph_list = row["MORPHS"].strip().split(args.morph_separator)
#print(morph_list)###
i = i + 1
if len(morpheme_list) != len(morph_list):
print("** line", i, ":", row['MORPHEMES'],
"is incompatible with", row["MORPHS"])
continue
pair_list = list(zip(morpheme_list, morph_list))
seg_example_list.append(pair_list)
for morpheme, morph in pair_list:
if morpheme not in morph_set:
morph_set[morpheme] = OrderedSet()
morph_set[morpheme].add(morph.strip())
csvfile.close()
#print("----morph_set:", morph_set)###
#print("----seg_example_list:", seg_example_list)###
# STEP 2:
# align the allomorphs of each morpheme
import sys
#sys.path.insert(0, "/Users/koskenni/github/alignment/")
from multialign import aligner
alignments = {} # index: morpheme name, value: sequence of aligned symbols
morphs = {}
vowels = 'aeiouyäö'
l = len(vowels)
for morpheme in sorted(morph_set.keys()):
morphs[morpheme] = list(morph_set[morpheme])
words = list(morph_set[morpheme])
#print("words:", words)###
aligned_sym_seq = aligner(words,
2, morpheme, verbosity=1,
max_weight_allowed=10000.0)
#print("aligned_sym_seq:", aligned_sym_seq)###
alignments[morpheme] = aligned_sym_seq
#print("----alignments:", alignments)###
# STEP 3:
# Compute the zero filled morphs out of the sequences of aligned symbols
# in the following, index: (morpheme, morph), value: zero-filled morph
aligned_morphs = {}
for morpheme, aligned_sym_seq in alignments.items():
#print("--aligned_sym_seq:", aligned_sym_seq)###
if morpheme not in aligned_morphs:
aligned_morphs[morpheme] = collections.OrderedDict()
if aligned_sym_seq:
l = len(aligned_sym_seq[0])
zero_filled_morphs = ["".join([x[i] for x in aligned_sym_seq])
for i in range(0,l)]
original_morphs = [re.sub(r"[Ø ]+", r"", x) for x in zero_filled_morphs]
for om, zm in zip(original_morphs, zero_filled_morphs):
if om:
aligned_morphs[morpheme][om] = zm
else:
aligned_morphs[morpheme] = {"": ""}
import pprint
al_fil = open("alignments.py", "w")
pp = pprint.PrettyPrinter(stream = al_fil, width=80)
print("alignments =\\", file = al_fil)
pp.pprint(alignments)
print("\naligned_morphs =\\", file = al_fil)
pp.pprint(aligned_morphs)
# STEP 4:
# Compute the raw morphophonemic representations for each morpheme
morphophon_reprs = {}
for morpheme, dic in aligned_morphs.items():
#print(morpheme, dic)###
zero_filled_allomorphs = [dic[allomorph] for allomorph in dic]
#print("zero_filled_allomorphs:", zero_filled_allomorphs)###
morphophoneme_list = []
for i in range(0,len(zero_filled_allomorphs[0])):
#print(i)###
phoneme_list = [allomorph[i] for allomorph in zero_filled_allomorphs]
all_eq = True
for i in range(0,len(phoneme_list)):
if phoneme_list[0] != phoneme_list[i]:
all_eq = False
break
if all_eq:
morphophoneme = phoneme_list[0]
else:
morphophoneme = "{" + "".join(phoneme_list) + "}"
morphophoneme_list.append(morphophoneme)
#print("morphophoneme_list:", morphophoneme_list)###
morphophon_reprs[morpheme] = " ".join(morphophoneme_list)
print("morphophon_reprs =\\", file = al_fil)
pp.pprint(morphophon_reprs)
# STEP 5:
# Write the example word forms plus their a zero filled morphs
algfile = open(args.aligned_words, "w", newline='')
writer = csv.DictWriter(algfile,
["MORPHEMES","MORPHS","ALIGNED","MPHONEMIC","PAIRS"],
delimiter=args.csv_delimiter)
forms_of_morphs = {}
writer.writeheader()
d = {}
for seg_example in seg_example_list:
#print("seg_example:", seg_example)###
morphemes = [morpheme for morpheme, morph in seg_example]
morphs = [morph for morpheme, morph in seg_example]
zero_filled_morphs = [aligned_morphs[morpheme].get(morph, "")
for (morpheme, morph) in seg_example]
mphonemes = [morphophon_reprs[morpheme] for morpheme in morphemes]
d["MORPHEMES"] = " ".join(morphemes)
d["MORPHS"] = args.morph_separator.join(morphs)
d["ALIGNED"] = args.morph_separator.join(zero_filled_morphs)
d["MPHONEMIC"] = " ".join(mphonemes)
phonemes = list("".join(zero_filled_morphs))
#print("phonemes:", phonemes)###
mphonemes = d["MPHONEMIC"].split(" ")
#print("mphonemes:", mphonemes)###
mph_ph_list = zip(mphonemes, phonemes)
pair_list = [p if m==p else m+":"+p for m,p in mph_ph_list]
#print("pair_list:", pair_list)###
d["PAIRS"] = " ".join(pair_list)
writer.writerow(d)
if morphs[0] not in forms_of_morphs:
forms_of_morphs[morphs[0]] = set()
forms_of_morphs[morphs[0]].add(morphemes[1])
algfile.close()
print("forms_of_morphs =\\", file = al_fil)
pp.pprint(forms_of_morphs)
al_fil.close()