40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Author: Volkan Şahin <volkansah.in> <bm.volkansahin@gmail.com>
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import threading
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class Fifo(object):
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def __init__(self):
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self.lock = threading.Lock()
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self.path = '/tmp/liderahenk.fifo'
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def push(self, content):
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file = None
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self.lock.acquire()
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try:
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file = open(self.path, 'a+')
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file.write(content)
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except Exception as e:
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print('Error:{0}'.format(str(e)))
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finally:
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file.close()
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self.lock.release()
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def pull(self, queue):
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result = None
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self.lock.acquire()
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try:
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lines = open(self.path, 'rb').readlines()
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if lines is not None and len(lines) > 0:
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result = lines[0].decode("unicode_escape")
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w_file = open(self.path, 'wb')
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w_file.writelines(lines[1:])
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w_file.close()
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except Exception as e:
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print('Error:{0}'.format(str(e)))
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finally:
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self.lock.release()
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queue.put(result)
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