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J. Fernando Sánchez 268d13ca2b Minor README update 7 months ago
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README.md

KEEP IT

This is a WORK IN PROGRESS.

keepit provides advanced memoization to disk for functions. In other words, it records the results of important functions between executions.

keepit saves the results of calling a function to disk, so calling the function with the exact same parameters will re-use the stored copy of the results, leading to much faster times.

Example usage:

import pandas as pd
from keepit import keepit

@keepit('myresults.tsv')
def expensive_function(number=1):
    df = pd.DataFrame()
    # Perform a really expensive operation, maybe access to disk?
    return df

# When a results file for the function does not exist
# this may take a long time
expensive_function(number=1)
# Now a myresults.tsv_{some hash) has been generated

# This is almost instantaneous:
expensive_function(number=1)

# Files are specific to each parameter execution, 
# so this will again take a long time:
expensive_function(number=42)
# After this, we should have two files: one for number=1, 
# and another one for number=42.