mirror of
https://github.com/migatu/conjurer.git
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81 lines
2.4 KiB
Python
81 lines
2.4 KiB
Python
from queue import Queue, Empty
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from threading import Thread
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q = Queue()
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MAXTHREADS = 39
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#MAXTHREADS = 4
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DATABASE_PATH = r'C:\\Database\\chunks_1\\'
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ENCODING = "utf-8"
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CHUNk = "_chunk.txt"
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_sentinel = object()
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#TODO: Doisy wchodzą jako lista krotek (doi, False) - po znalezieniu zaznaczamy na True i potem już nie porównujemy
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#TODO: lista krotek - jeśli wszystkie mają True dajemy terma
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def producer(out_q, control_q, filename):
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with open(DATABASE_PATH + filename, "r+", encoding=ENCODING) as operated_file:
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lines = operated_file.readlines()
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for line in lines:
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out_q.put(line)
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try:
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check = control_q.get(block=False)
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except Empty:
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check = False
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pass
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if check is _sentinel:
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print("TERM signal received")
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control_q.put(check)
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break
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print("Worker finished")
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out_q.put(_sentinel)
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#IMPORTANT!!! ONLY ONE CONSUMER THREAD AS WE ARE NOT PUTTING SENTINELS BACK
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#TODO: Change doi to tuple list and only put term when all doi are found => (doi, True)
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def consumer(in_q, control_q, doi):
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sentinels = 0
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while True:
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data = in_q.get()
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if data is _sentinel:
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print("Worker finished")
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sentinels += 1
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elif doi in data:
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control_q.put(_sentinel)
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print(data)
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print("HIT")
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if sentinels >= MAXTHREADS:
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print("All workers finished")
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break
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def search_for_doi(doi):
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threads = []
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work_q = Queue(maxsize=10000000)
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control_q = Queue()
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t_cons = Thread(target = consumer, args = (work_q, control_q, doi))
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threads.append(t_cons)
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for i in range(0,MAXTHREADS):
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#filename = "test" + str(i) + CHUNk
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filename = str(i) + CHUNk
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print(filename)
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threads.append(Thread(target = producer, args = (work_q, control_q, filename)))
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for worker in threads:
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worker.start()
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for worker in threads:
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worker.join()
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try:
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check = control_q.get(block=False)
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control_q.put(check)
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return True
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except Empty:
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return False
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if __name__ == "__main__":
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if search_for_doi("10.1002/9781118786352.wbieg0998.pub2"):
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#if search_for_doi("10.1108/gm-02-2016-0025xx"):
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print("found")
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exit()
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else:
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print("Not found") |