build_in_memory_cache

#!/usr/bin/env python3

from sys import argv, exit, stderr
from CacheManager import CacheManager

DEFAULT_PICKLE_FILE_NAME = "serialized_in_memory_cache.pickle"

def main():
    """
    Purpose: Program entry point; this program utilizes the CacheManager.buildInMemoryCache() static method,
             which creates a pickle file (i.e., a serialized Python dictionary containing 18.5 MB of compressed
             article content). This pickle file contains the top 214 articles according to pageviews.csv (see
             CacheManager.py for more information).
    :return: Void.
    """
    arg_vector = argv
    if len(arg_vector) > 2: 
        print("Arguments should be of the form: \"./build_in_memory_cache serialized_in_memory_cache.pickle\"", file=stderr)
        print("Exiting...", file=stderr)
        exit(1)
    
    pickle_file = DEFAULT_PICKLE_FILE_NAME if len(arg_vector) == 1 else arg_vector[1]

    CacheManager.buildInMemoryCache("cs5700cdnorigin.ccs.neu.edu", 
            "8080",
            "pageviews.csv",
            pickle_file
    )

if __name__ == "__main__":
    main()