bibtex2bibjson.py

#!/usr/bin/python3

"""
A simple script to convert a single input bib-file to BibJSON output that is send to stdout.
"""

import sys
import bibjson
import os
import json
from datetime import datetime


def main():
    """
    Script main function: Read arguments, produce BibJSON output.
    """
    if len(sys.argv) < 2:
        print("will output BibJSON to stdout", file=sys.stderr)
        print("usage: %s <bibtex-file>" % sys.argv[0], file=sys.stderr)
        exit(1)

    bibtex_file = sys.argv[1]

    # 'collection' identifier is the file name without extension
    collection = os.path.splitext(os.path.basename(bibtex_file))[0]

    # read the bibtex file
    with open(bibtex_file) as f:
        bibtex_str = f.read()

        # create BibJSON collection from file
        bibjson_collection = bibjson.collection_from_bibtex_str(bibtex_str,
                                                                collection=collection,
                                                                source=bibtex_file,
                                                                created=datetime.utcnow().isoformat())

        # print it to stdout with nice indentation
        json.dump(bibjson_collection, sys.stdout, indent=True)


if __name__ == '__main__':
    main()