Pickle performing class instantiation ??

Prasad, Ramit ramit.prasad at jpmorgan.com
Tue Feb 28 17:09:07 CET 2012


>class Pickle:
>    def __init__(self, Parameter1, Parameter2, Parameter3):
>        self.PM1 = Parameter1
>        self.PM2 = Parameter2
>        self.PM3 = Parameter3

>with open('/tmp/readfile.pkl', 'wb') as f:
>    pickle.dump((self.PM1, self.PM2, self.PM3), f)
    
>with open('/tmp/readfile.pkl', 'rb') as f:
>    self.PM1, self.PM2, self.PM3 = pickle.load(f)

>$ ./class-test1.py
>Traceback (most recent call last):
>  File "./class-test1.py", line 12, in <module>
>    pickle.dump((self.PM1, self.PM2, self.PM3), f)
>NameError: name 'self' is not defined


You need to create an instance of Pickle first and then manipulate that instance.
instance = Pickle( 'something', ['blah'],  5 )
print instance.PM1

Ramit


Ramit Prasad | JPMorgan Chase Investment Bank | Currencies Technology
712 Main Street | Houston, TX 77002
work phone: 713 - 216 - 5423

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