/
kindlearadict.py
executable file
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/
kindlearadict.py
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#!/usr/bin/env pypy3
from collections import defaultdict
from xml.sax.saxutils import escape, quoteattr
import argparse
import os.path
import time
from process_files import process_textfile, process_tableXY, process_frequency_list_file
import transliterate
import opfgen
prefixes = []
lemmas = []
suffixes = []
ab = defaultdict(list)
bc = defaultdict(list)
ac = defaultdict(list)
prefixes_for_cat = defaultdict(list)
suffixes_for_cat = defaultdict(list)
freqlist = defaultdict(float)
unvowelled_freqlist = set()
class Morpheme(object):
def __init__(self, unvowelled, vowelled, cat, pos, gloss, root, lemma):
self.unvowelled = unvowelled
self.vowelled = vowelled
self.gloss = gloss
self.cat = cat # for verifying compatibility
self.pos = pos # human-readable part of speech
self.root = root # only really valid for (a subset of) stems,
# empty for everything else
self.lemma = lemma # only really valid for (a subset of) stems,
# empty for everything else
def __str__(self):
return "%s (%s : %s) %s %s %s" % (self.vowelled, self.root, self.lemma, self.cat, self.pos, self.gloss)
def __repr__(self):
return self.__str__()
def process_prefixes():
for (unvowelled, vowelled, cat, pos, gloss, root, lemma) in process_textfile("dictprefixes.txt"):
prefixes.append(Morpheme(unvowelled, vowelled, cat, pos, gloss, root, lemma))
def process_stems():
curr_lemma = "not a valid lemma"
for (unvowelled, vowelled, cat, pos, gloss, root, lemma) in process_textfile("dictstems.txt"):
if lemma != curr_lemma:
curr_lemma = lemma
lemmas.append( (lemma, root, []) )
lemmas[-1][-1].append(Morpheme(unvowelled, vowelled, cat, pos, gloss, root, lemma))
def process_suffixes():
for (unvowelled, vowelled, cat, pos, gloss, root, lemma) in process_textfile("dictsuffixes.txt"):
suffixes.append(Morpheme(unvowelled, vowelled, cat, pos, gloss, root, lemma))
def process_tableAB():
for (left, right) in process_tableXY("tableab.txt"):
ab[left].append(right)
for entry in prefixes:
if entry.cat == left:
prefixes_for_cat[right].append(entry)
def process_tableBC():
for (left, right) in process_tableXY("tablebc.txt"):
bc[left].append(right)
for entry in suffixes:
if entry.cat == right:
suffixes_for_cat[left].append(entry)
def process_tableAC():
for (left, right) in process_tableXY("tableac.txt"):
ac[left].append(right)
def read_freq_list(freq_list_name, scale):
for word, count in process_frequency_list_file(freq_list_name):
freqlist[word] += count*scale
def filter_freq_lists(min_frequency):
for word, v in list(freqlist.items()):
if v < min_frequency:
del freqlist[word]
else:
unvowelled = transliterate.unicode_strip_vowels(word)
unvowelled_freqlist.add(unvowelled)
def are_prefix_stem_compatible(prefix_morpheme, stem_morpheme):
return stem_morpheme in ab[prefix_morpheme.cat]
def are_stem_suffix_compatible(stem_morpheme, suffix_morpheme):
return suffix_morpheme.cat in bc[stem_morpheme]
def are_prefix_suffix_compatible(prefix_morpheme, suffix_morpheme):
return suffix_morpheme.cat in ac[prefix_morpheme.cat]
def gen_dict(dest_file, is_mini, freq_list_names, gen_vowelled_forms, min_frequency):
process_prefixes()
process_stems()
process_suffixes()
process_tableAB()
process_tableBC()
process_tableAC()
filter_by_freq_list = freq_list_names != []
for fname in freq_list_names:
print("Reading frequency list %s..." % (fname,))
read_freq_list(fname, 1.0)
filter_freq_lists(min_frequency)
dirname, fname = os.path.split(dest_file)
title = "The Morphological Arabic-English Dictionary"
if is_mini:
title = "Test Dictionary"
out_dict = opfgen.KindleDictGenerator(title, "https://github.com/runehol/kindlearadict/", ["Rune Holm"], "ar", "en", "../datafiles/aradict-cover.jpg", "../datafiles/title-page.html", dirname, fname)
prefix_suffix_table = defaultdict(list)
for stem_cat in prefixes_for_cat.keys():
for prefix_entry in prefixes:
if not are_prefix_stem_compatible(prefix_entry, stem_cat): continue
for suffix_entry in suffixes:
if not are_stem_suffix_compatible(stem_cat, suffix_entry): continue
if not are_prefix_suffix_compatible(prefix_entry, suffix_entry): continue
prefix_suffix_table[stem_cat].append( (prefix_entry, suffix_entry) )
if is_mini:
lemma_selection = [lemma for lemma in lemmas if lemma[1][0:1] == "E"]
else:
lemma_selection = lemmas
start_time = time.clock()
n_stems = 0
lemma_idx = 0
lemmas_to_entry = dict()
index_to_lemmas = defaultdict(list)
print("Iterating and processing lemmas...")
for lemma, root, stem_list in lemma_selection:
processed_lemma = transliterate.b2u(lemma.split("-")[0].split("_")[0])
formatted_head_word = "<b>%s</b>" % (escape(processed_lemma))
form_set = set()
all_defs = []
for stem_entry in stem_list:
n_stems += 1
first = True
for prefix_entry, suffix_entry in prefix_suffix_table[stem_entry.cat]:
unvowelled_form = prefix_entry.unvowelled + \
stem_entry.unvowelled + \
suffix_entry.unvowelled
u_unvowelled = transliterate.b2u(unvowelled_form)
vowelled_form = prefix_entry.vowelled + \
stem_entry.vowelled + \
suffix_entry.vowelled
if first:
uvowelled = transliterate.b2u(vowelled_form)
gloss = stem_entry.gloss
if "verb" in stem_entry.pos and not "Adverb" in stem_entry.pos:
gloss = "to " + gloss
entry = """<li> %s <i>%s</i> %s</li>\n""" % (escape(uvowelled), escape(stem_entry.pos), escape(gloss))
if entry not in all_defs:
all_defs.append(entry)
form = u_unvowelled
if not filter_by_freq_list or form in unvowelled_freqlist:
if not filter_by_freq_list or form in freqlist:
form_set.add(form)
if gen_vowelled_forms:
for form in transliterate.b2u_vowelled_unvowelled_combinations(vowelled_form):
if not filter_by_freq_list or form in freqlist:
form_set.add(form)
first = False
lemma_idx += 1
if (lemma_idx & 1023 == 0):
print("Progress: %.2f %%" % (100.0 * float(lemma_idx) / len(lemma_selection)))
formatted_desc = "<ul>\n"
formatted_desc += "".join(all_defs)
formatted_desc += "\n</ul>\n"
if root == "":
formatted_desc += "No root\n"
else:
processed_root = transliterate.b2u(root)
formatted_desc += "Root: %s\n" % (escape(processed_root),)
formatted_desc += "<hr\>\n"
lemmas_to_entry[lemma] = (formatted_head_word, formatted_desc)
for form in form_set:
index_to_lemmas[form].append(lemma)
#out_dict.add_dict_entry(formatted_head_word, sorted(list(form_set)), formatted_desc)
print("Sorting index...")
dict_entries = defaultdict(list)
for index, lemma_list in index_to_lemmas.items():
lemma_tuple = tuple(lemma_list)
dict_entries[lemma_tuple].append(index)
print("Generating dictionary...")
for lemma_tuple, indices in dict_entries.items():
formatted_head_word, formatted_desc = lemmas_to_entry[lemma_tuple[0]]
for lemma in lemma_tuple[1:]:
hw, desc = lemmas_to_entry[lemma]
formatted_desc += hw + desc
out_dict.add_dict_entry(formatted_head_word, indices, formatted_desc)
out_dict.finalize()
elapsed_time = time.clock() - start_time
print("Generated %d original entries, %d expanded entries, %d empty entries, %d index size from %d lemmas and %d stems in %f seconds" % (out_dict.n_orig_entries, out_dict.n_expanded_entries, out_dict.n_empty_entries, out_dict.index_size, len(lemma_selection), n_stems, elapsed_time))
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Generate an Arabic-English Kindle dictionary')
parser.add_argument('--dest-file',
help='Destination opf file')
parser.add_argument('--mini', action='store_true',
help='Generate small test dictionary (only roots starting with ع)')
parser.add_argument('--vowelled-forms', action='store_true',
help='Generate vowelled forms (best used with frequency list filter)')
parser.add_argument('--min-word-frequency', type=float, default=0.0,
help='Minimum word frequency to be considered (measured in number of occurrences)')
parser.add_argument('--frequency-list', nargs='*', default=[],
help='Frequency list to filter by (more than one allowed)')
arg = parser.parse_args()
gen_dict(arg.dest_file, arg.mini, arg.frequency_list, arg.vowelled_forms, arg.min_word_frequency)