Note that if you keep appending pickle data to the file, you will need to continue reading from the file until you find what you want or an exception is generated by reaching the end of the file. Resulting file sizes are similar Pickle is unsafe because it constructs arbitrary python objects by invoking arbitrary functions
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Pickle uses a binary protocol, hence only accepts binary files
The pickle module already imports _pickle if available
From the pickle.py source code # use the faster _pickle if possible try From _pickle import * except importerror Pickler, unpickler = _pickler, _unpickler and from the pickle module documentation
The pickle module has an transparent optimizer (_pickle. It seems you want to save your class instances across sessions, and using pickle is a decent way to do this However, there's a package called klepto that abstracts the saving of objects to a dictionary interface, so you can choose to pickle objects and save them to a file (as shown below), or pickle the objects and save them to a database, or. There used to be cpickle in python2.7
However, i don't see it anymore in python3 pickle
What ever happened to that module, did it get merged into the regular pickle module? I have looked through the information that the python documentation for pickle gives, but i'm still a little confused What would be some sample code that would write a new file and then use pickle. I'm in the same vote i have various serialized (100 to 300mb) pickle files that i would like to create/load into a single dictionary but it takes to much time to individually load would rather cache.
Np.save/load is the usual pair for writing numpy arrays
