def make_ngrams(self, text):
"""Transforms a string into a list of 4-grams, using multiple cores"""
result = multiprocessing.Queue()
#Starts the workers
def worker(nr, string, result):
if self.approach == 'w':
if nr == 0:
ngrams = timbl.window_string(string, True)
else:
ngrams = timbl.window_string(string)
elif self.approach == 'l':
if nr == 0:
ngrams = timbl.window_string_letters(string, True)
else:
ngrams = timbl.window_string_letters(string)
result.put((nr, ngrams))
if self.approach == 'w':
substrings = timbl.divide_iterable(text.split(), 10, 3)
elif self.approach == 'l':
substrings = timbl.divide_iterable(text, 10, 15)
for n, i in enumerate(substrings):
t = multiprocessing.Process(target=worker, args=[n, i, result])
t.start()
#Wait until all results are in
resultlist = []
while len(resultlist) < 10:
while not result.empty():
resultlist.append(result.get())
time.sleep(1)
#Sort and merge the results
resultlist = sorted(resultlist, key=lambda x: x[0])
between_result = [x[1] for x in resultlist]
end_result = []
for i in between_result:
end_result += i
return end_result
def make_ngrams(self,text):
"""Transforms a string into a list of 4-grams, using multiple cores"""
result = multiprocessing.Queue()
#Starts the workers
def worker(nr,string,result):
if self.approach == 'w':
if nr == 0:
ngrams = timbl.window_string(string,True)
else:
ngrams = timbl.window_string(string)
elif self.approach == 'l':
if nr == 0:
ngrams = timbl.window_string_letters(string,True)
else:
ngrams = timbl.window_string_letters(string)
result.put((nr,ngrams))
if self.approach == 'w':
substrings = timbl.divide_iterable(text.split(),10,3)
elif self.approach == 'l':
substrings = timbl.divide_iterable(text,10,15)
for n,i in enumerate(substrings):
t = multiprocessing.Process(target=worker,args=[n,i,result])
t.start()
#Wait until all results are in
resultlist = []
while len(resultlist) < 10:
while not result.empty():
resultlist.append(result.get())
time.sleep(1)
#Sort and merge the results
resultlist = sorted(resultlist,key=lambda x:x[0])
between_result = [x[1] for x in resultlist]
end_result = []
for i in between_result:
end_result += i
return end_result
def attenuate_string_multicore(self, string, lex):
"""Replaces infrequent words in string with #DUMMY, using multiple cores"""
#Prepare input and output
words = string.split()
word_nr = len(words)
result = multiprocessing.Queue()
#The actual work
def dummify(n, word):
try:
if not word in lex[len(word)] and word not in ['_']:
return '#DUMMY'
else:
return word
except KeyError:
return '#DUMMY'
#Starts the workers
def worker(nr, words, result):
resultstring = ''
wordtotal = len(words)
for n, i in enumerate(words):
resultstring += ' ' + dummify(n, i)
#Report progress of the first worker
if nr == 0 and n % 100000 == 0:
print(' ', n / wordtotal)
result.put((nr, resultstring))
substrings = timbl.divide_iterable(words, 10)
for n, i in enumerate(substrings):
t = multiprocessing.Process(target=worker, args=[n, i, result])
t.start()
#Wait until all results are in
resultlist = []
while len(resultlist) < 10:
while not result.empty():
resultlist.append(result.get())
time.sleep(1)
#Sort and merge the results
resultlist = sorted(resultlist, key=lambda x: x[0])
actual_result = [x[1] for x in resultlist]
return ' '.join(actual_result).strip()
def attenuate_string_multicore(self,string,lex):
"""Replaces infrequent words in string with #DUMMY, using multiple cores"""
#Prepare input and output
words = string.split()
word_nr = len(words)
result = multiprocessing.Queue()
#The actual work
def dummify(n,word):
try:
if not word in lex[len(word)] and word not in ['_']:
return '#DUMMY'
else:
return word
except KeyError:
return '#DUMMY'
#Starts the workers
def worker(nr,words,result):
resultstring = ''
wordtotal = len(words)
for n,i in enumerate(words):
resultstring += ' ' + dummify(n,i)
#Report progress of the first worker
if nr == 0 and n%100000 == 0:
print(' ',n / wordtotal)
result.put((nr,resultstring))
substrings = timbl.divide_iterable(words,10)
for n,i in enumerate(substrings):
t = multiprocessing.Process(target=worker,args=[n,i,result])
t.start()
#Wait until all results are in
resultlist = []
while len(resultlist) < 10:
while not result.empty():
resultlist.append(result.get())
time.sleep(1)
#Sort and merge the results
resultlist = sorted(resultlist,key=lambda x:x[0])
actual_result = [x[1] for x in resultlist]
return ' '.join(actual_result).strip()
