pip install editdistance

Usage: edit-value-similarity.py [-h] --inputDir INPUTDIR --outCSV OUTCSV [--accept [png pdf etc...]] [--allKeys]

--inputDir INPUTDIR  path to directory containing files

--outCSV OUTCSV      path to directory for storing the output CSV File, containing pair-wise Similarity Scores based on edit distance

--accept [ACCEPT]    Optional: compute similarity only on specified IANA MIME Type(s)

--allKeys            Optional: compute edit distance across all metadata keys of 2 documents, else default to only intersection of metadata keys

Eg: python edit-value-similarity.py --inputDir /path/to/files --outCSV /path/to/output.csv --accept png pdf gif