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completed pickling toolbox #49

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completed pickling toolbox #49

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27 changes: 20 additions & 7 deletions counter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@

from os.path import exists
import sys
from pickle import dump, load
import pickle


def update_counter(file_name, reset=False):
Expand All @@ -19,18 +19,31 @@ def update_counter(file_name, reset=False):
reset: True if the counter in the file should be rest.
returns: the new counter value

>>> update_counter('blah.txt',True)
>>> update_counter('blah.p',True)
1
>>> update_counter('blah.txt')
>>> update_counter('blah.p')
2
>>> update_counter('blah2.txt',True)
>>> update_counter('blah2.p',True)
1
>>> update_counter('blah.txt')
>>> update_counter('blah.p')
3
>>> update_counter('blah2.txt')
>>> update_counter('blah2.p')
2
"""
pass
if not reset:
try:
counter = int(pickle.load(open(file_name, "rb")))
counter += 1
print(counter)
pickle.dump(str(counter), open(file_name, "wb"))
except FileNotFoundError:
open(file_name, 'a').close()
pickle.dump(str(1), open(file_name, "wb"))
print(1)
else:
open(file_name, 'a').close()
pickle.dump(str(1), open(file_name, "wb"))
print(1)

if __name__ == '__main__':
if len(sys.argv) < 2:
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