NVD CVEs to Indivual JSON files

NVD.py

import requests
import json
import gzip
import os
import codecs
import time
from datetime import timedelta

start = time.time()
count = 0

baseURL = "https://nvd.nist.gov/feeds/json/cve/1.0/"
year = 2002

while year <= 2019:
    yearstr = str(year)
    os.mkdir(yearstr)
    os.chdir(yearstr)
    feed = ('nvdcve-1.0-'+yearstr+'.json.gz')
    url = baseURL + feed

    r = requests.get(url)
    open(feed, 'wb').write(r.content)

    with gzip.open(feed, 'rt', encoding="utf8") as fd:
        data = json.load(fd)

    for item in data['CVE_Items']:
        if 'cve' in item:
            if 'CVE_data_meta' in item['cve']:
                if 'ID' in item['cve']['CVE_data_meta']:
                    count = count + 1
                    filename = (item['cve']['CVE_data_meta']['ID'] + '.json')
                    try:
                        with open(filename, 'wb') as f:
                            json.dump(item, codecs.getwriter('utf-8')(f),
                                      ensure_ascii=False)
                            f.close()
                    except TypeError:
                        continue
    os.chdir('..')
    year = year + 1

elapsed = (time.time() - start)

print("CVEs Turned Into JSON Files:")
print(count)
print("Done In:")
print(str(timedelta(seconds=elapsed)))