Script to convert bib entries to matching cryptobib entries

convertocryptobib.py

import bibtexparser
from bibtexparser.bibdatabase import BibDatabase
from pybtex.database import parse_file
from pybtex.database import BibliographyData, Entry
from pybtex.utils import OrderedCaseInsensitiveDict
import re

if __name__ == '__main__':
    # with open('bitcoin.bib') as bibfile:
    #    bib_database : BibDatabase=bibtexparser.load(bibfile)
    crypto_data: BibliographyData = parse_file("crypto.bib", bib_format="bibtex")
    crypto_entries: OrderedCaseInsensitiveDict = crypto_data.entries
    titleKeyMap = {}
    for key in crypto_entries:

        if "title" not in crypto_entries[key].fields:
            print(crypto_entries[key])
            continue
        title = crypto_entries[key].fields["title"]
        newtitle = re.sub(r'\W+', '', title.lower())

        #titleprefix = ' '.join(title.split()[0:3])
        if newtitle in titleKeyMap:
            old_entry: Entry = crypto_entries[titleKeyMap[newtitle]]
            new_entry: Entry = crypto_entries[key]
            #prefer journal > conference > eprint
            if old_entry.type == "article" or (old_entry.type == "inproceedings" and new_entry.type != "article"):
                continue
        titleKeyMap[newtitle] = key
    bitcoin_data: BibliographyData = parse_file("bitcoin.bib", bib_format="bibtex")
    bitcoin_entries = bitcoin_data.entries
    commandlist=[]
    for key in bitcoin_entries:
        title = bitcoin_entries[key].fields["title"]
        newtitle = re.sub(r'\W+', '', title.lower())

        if newtitle in titleKeyMap:
            #print(bitcoin_entries[key].fields["title"])
            #print(crypto_entries[titleKeyMap[title]].fields["title"])
            command = "%s/" + key + "/" + titleKeyMap[newtitle] + "/ge"
            commandlist.append(command)
            print(command)
    print(' | '.join(commandlist))