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MyManyTests.py
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MyManyTests.py
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def check_difflib_ratio():
"""
Finds the minimum value of SequenceMatcher.ratio() for two strings such that Differ considers them as 'changed'.
"""
import difflib
import random
import string
def random_modify_string(input_string, change_word=0.5, change_char=0.3):
word_list = input_string.split()
for i, word in enumerate(word_list):
if random.random() < change_word:
for j in range(len(word)):
if random.random() < change_char:
word = word[:j] + random.choice(string.printable) + word[j + 1:]
word_list[i] = word
return ' '.join(word_list)
differ = difflib.Differ()
min_ratio = 1.0
for count in range(1000):
length = random.randint(5, 100)
s1 = ''.join(random.SystemRandom().choice(string.printable) for _ in range(length))
s2 = random_modify_string(s1)
sm = difflib.SequenceMatcher(None, s1, s2)
ratio = sm.ratio()
result = list(differ.compare([s1], [s2]))
for line in result:
if line.startswith('?'):
if ratio < min_ratio:
min_ratio = ratio
break
print('Minimum ratio which difflib considers as "change" is: {}'.format(min_ratio))
def see_arabic_chars_unicode():
"""
Arabic character set ranges from 0600–06FF in unicode.
"""
import unicodedata
absent = 0
present = 0
for i in range(0x0600, 0x06FF + 1):
try:
print('{:04X} \t{} --> {}'.format(i, unicodedata.name(chr(i)), chr(i)))
present += 1
except ValueError:
absent += 1
else:
print('\nTotal present: {}'.format(present))
print('\nTotal absent: {}'.format(absent))
def test_pre_processors():
import sqlite3
from qurantextdiff.helpers.textprocess import Cleaner, Splitter
db = sqlite3.connect('db.sqlite3')
cursor = db.cursor()
cursor.execute('SELECT verse FROM quran_diacritic')
rows = [row[0] for row in cursor.fetchall()]
input_text = '\n'.join(rows)
splitter = Splitter(input_text)
split_rows = splitter.get_split_lines()
cleaner = Cleaner(split_rows)
cleaned_lines = cleaner.get_cleaned_lines()
mismatch = 0
for (row, cl) in zip(rows, cleaned_lines):
if row != cl:
mismatch += 1
print('No. of mismatch (after running pre-processing on the source in database): {}'.format(mismatch))
def test_remove_diacritic():
import sqlite3
from qurantextdiff.helpers import textprocess
db = sqlite3.connect('db.sqlite3')
cursor = db.cursor()
cursor.execute('SELECT * FROM quran_non_diacritic')
quran_non_diacritic_rows = cursor.fetchall()
cursor.execute('SELECT * FROM quran_diacritic')
quran_diacritic_rows = cursor.fetchall()
verses_diacritic = [row[3] for row in quran_diacritic_rows]
diac_surah = [row[1] for row in quran_diacritic_rows]
diac_verse = [row[2] for row in quran_diacritic_rows]
verses_non_diacritic = [row[3] for row in quran_non_diacritic_rows]
verses_diacritic_cleaned = textprocess.remove_diacritics(verses_diacritic)
mismatches = []
for v_nodiac, v_diac_cleaned, surah, verse in zip(verses_non_diacritic, verses_diacritic_cleaned, diac_surah,
diac_verse):
try:
assert v_nodiac == v_diac_cleaned
except AssertionError:
mismatches.append('{}:{}\n{}\n{}\n\n'.format(surah, verse, v_nodiac, v_diac_cleaned))
print(mismatches[-1])
with open('mismatches.txt', 'w', encoding='utf-8') as outfile:
outfile.write(''.join(mismatches))
print('Testing: "{}()"'.format(test_remove_diacritic.__name__))
print('Comparing non-diacritic verses with diacritic ones with their\ndiacritics removed'
' using "remove_diacritic()" function...')
print('No. of mismatch lines found: {}'.format(len(mismatches)))
def test_diff_result_diacritic():
import difflib
with open('sample_input.txt', 'r', encoding='utf-8') as input_file:
inputs = input_file.readlines()
s1 = [inputs[0].replace('\n', '')]
s2 = [inputs[1].replace('\n', '')]
differ = difflib.Differ()
diffs = list(differ.compare(s1, s2))
for diff in diffs:
print(diff)
import unicodedata
for i in range(len(diffs)):
if diffs[i].startswith('? '):
guide_word = diffs[i][2:]
word = diffs[i - 1][2:]
for index in range(len(guide_word)):
guide = guide_word[index]
if guide == '-' or guide == '^' or guide == '+':
# print('{} {}'.format(guide, index))
print(unicodedata.name(word[index]))
def check_presence_of_patterns():
import unicodedata as ud
import sqlite3
connection = sqlite3.connect('db.sqlite3')
cursor = connection.cursor()
cursor.execute('SELECT * FROM quran_diacritic')
rows = cursor.fetchall()
ALIF = ud.lookup('ARABIC LETTER ALEF')
SUKUN = ud.lookup('ARABIC SUKUN')
WASLA = ud.lookup('ARABIC LETTER ALEF WASLA')
ALIF_SUPER = ud.lookup('ARABIC LETTER SUPERSCRIPT ALEF')
ALIF_MADDA = ud.lookup('ARABIC LETTER ALEF WITH MADDA ABOVE')
MEEM = ud.lookup('ARABIC LETTER MEEM')
SHADDA = ud.lookup('ARABIC SHADDA')
NOON = ud.lookup('ARABIC LETTER NOON')
HAMZA = ud.lookup('ARABIC LETTER HAMZA')
DAMMA = ud.lookup('ARABIC DAMMA')
WAW = ud.lookup('ARABIC LETTER WAW')
KASRA = ud.lookup('ARABIC KASRA')
KASRATAN = ud.lookup('ARABIC KASRATAN')
FATHA = ud.lookup('ARABIC FATHA')
# pattern = MEEM + SUKUN + ud.lookup('SPACE') + MEEM
# pattern = ALIF_MADDA + HAMZA
pattern = DAMMA + WAW + ALIF
pattern_count = 0
outfile = open('presence-count.txt', 'w', encoding='utf-8')
for row in rows:
index = row[3].find(pattern)
if index > -1:
pattern_count += 1
print('Pattern count: {}'.format(pattern_count))
def test_IndexError():
l = [i + 1 for i in range(5)]
copy = []
for i in range(10):
try:
copy.append(l[i])
if i == 1:
copy.append(l[i][0])
except Exception:
pass
print(copy)
def test_normalize_function():
import sqlite3
import qurantextdiff.helpers.textprocess as textprocess
connection = sqlite3.connect('db.sqlite3')
cursor = connection.cursor()
cursor.execute('SELECT * FROM quran_diacritic')
diacritic_verses = []
surah_no = []
verse_no = []
for row in cursor.fetchall():
surah_no.append(row[1])
verse_no.append(row[2])
diacritic_verses.append(row[3])
cursor.execute('SELECT * FROM quran_non_diacritic')
non_diacritic_verses = [row[3] for row in cursor.fetchall()]
diacritic_verses_normalized = textprocess.normalize(diacritic_verses)
mismatches = []
mismatch_chars = []
for s_no, v_no, diacNormal, diac in zip(surah_no, verse_no, diacritic_verses_normalized, diacritic_verses):
try:
assert diacNormal == diac
except AssertionError:
for c1, c2 in zip(diacNormal, diac):
if c1 != c2:
if c1 not in mismatch_chars:
mismatch_chars.append(c1)
if c2 not in mismatch_chars:
mismatch_chars.append(c2)
mismatches.append((s_no, v_no, diacNormal, diac))
file = open('mismatches.txt', 'w', encoding='utf-8')
for s, v, d, n in mismatches:
print('{}:{}\n{}\n{}\n'.format(s, v, d, n), file=file)
import unicodedata as ud
print(len(mismatch_chars))
print('\n'.join(mismatch_chars))
for mc in mismatch_chars:
print(ud.name(mc))
def check_presence_of_dhalik():
import sqlite3
# pattern_d = 'ذَلِك'
# pattern_d = 'ذَٰلِك'
pattern_d = 'ذَالِك'
pattern_n = 'ذلك'
connection = sqlite3.connect('db.sqlite3')
cursor = connection.cursor()
cursor.execute('SELECT * FROM quran_diacritic')
diacritic_verses = []
s_no_d = []
v_no_d = []
for row in cursor.fetchall():
s_no_d.append(row[1])
v_no_d.append(row[2])
diacritic_verses.append(row[3])
cursor.execute('SELECT * FROM quran_non_diacritic')
non_diacritic_verses = []
s_no_n = []
v_no_n = []
for row in cursor.fetchall():
s_no_n.append(row[1])
v_no_n.append(row[2])
non_diacritic_verses.append(row[3])
counter = 0
for s_d, s_n, v_d, v_n, verse_d, verse_n in zip(s_no_d, s_no_n, v_no_d, v_no_n, diacritic_verses,
non_diacritic_verses):
verse_d = str(verse_d)
if verse_d.find(pattern_d) > -1:
try:
assert verse_n.find(pattern_n) > -1
assert s_d == s_n
assert v_d == v_n
counter += 1
except AssertionError:
assert s_d == s_n
assert v_d == v_n
print('{}:{}\n{}\n{}'.format(s_d, v_d, verse_d, verse_n))
print(counter)
def check_grouped_opcodes():
s1 = 'one two'
s2 = 'oen tow'
from difflib import SequenceMatcher
sm = SequenceMatcher(None, s1, s2)
opcodes = sm.get_opcodes()
inserts, deletes, replaces, equals = [], [], [], []
for op in opcodes:
print(op, end='\t')
tag, i1, i2, j1, j2 = op
if tag == 'insert':
inserts.append(op)
print('{} at {}'.format(s2[j1:j2], i1))
elif tag == 'delete':
deletes.append(op)
print('{} at {}'.format(s1[i1:i2], i1))
elif tag == 'replace':
replaces.append(op)
print('{} with {}'.format(s1[i1:i2], s2[j1:j2]))
else:
equals.append(op)
print('{} equ {}'.format(s1[i1:i2], s2[j1:j2]))
lists = [inserts, deletes, replaces, equals]
# for op in lists:
# if op:
# print(op[0][0])
# for x in op:
# print(x)
inserts, deletes, replaces, equals = [], [], [], []
for tag, i1, i2, j1, j2 in opcodes:
if tag == 'insert':
inserts.append([s2[j1:j2], i1, False])
elif tag == 'delete':
deletes.append([s1[i1:i2], i1, False])
elif tag == 'replace':
replaces.append((tag, i1, i2, j1, j2))
else:
equals.append((tag, i1, i2, j1, j2))
lists = [deletes, inserts]
print('printing...')
for d in deletes:
print(d)
for i in inserts:
print(i)
print('done...')
moves = []
for dele in deletes:
print(dele)
for ins in inserts:
print(ins)
if dele[0] == ins[0] and dele[2] == False and ins[2] == False:
moves.append((dele[0], dele[1], ins[1]))
dele[2] = True
ins[2] = True
break
for chrs, f, t in moves:
print('Moved {} from {} to {}'.format(chrs, f, t))
def check_is_change_significant():
import qurantextdiff.helpers.QuranicTextDiff as QD
# QD.QuranicTextDiff._is_change_significant(frm, to)
if __name__ == '__main__':
check_grouped_opcodes()