35 lines
627 B
Python
35 lines
627 B
Python
import os
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import time
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from functools import wraps
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def follow(filename, target):
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with open(filename, 'r') as f:
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f.seek(0, os.SEEK_END)
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while True:
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line = f.readline()
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if line != '':
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target.send(line)
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else:
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time.sleep(0.1)
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def consumer(func):
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@wraps(func)
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def start(*args, **kwargs):
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f = func(*args, **kwargs)
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f.send(None)
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return f
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return start
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@consumer
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def printer():
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while True:
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item = yield
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print(item)
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if __name__ == '__main__':
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follow('Data/stocklog.csv', printer())
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