bin/update-nvd


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#!/usr/bin/python3

import os.path
import sys

import setup_paths
import nvd
import security_db

base = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
db_file = os.path.join(base, 'data/security.db')
db = security_db.DB(db_file)

incremental = False
data = []
for name in sys.argv[1:]:
    if name == '-i':
        incremental = True
        continue
    f = open(name)
    data += nvd.parse(f)
    f.close()

# For some reason, NVD adds duplicates, so we need to get rid of them.
# Sort afterwords to increase locality in the insert process.
deduplicate = {}
for x in data:
    deduplicate[x[0]] = x
data = list(deduplicate.values())
data.sort()

cursor = db.writeTxn()
db.updateNVD(cursor, data, incremental)
db.commit(cursor)