nymea/data/mac-database/build-database.py

98 lines
3.8 KiB
Python

#!/usr/bin/env python
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
#
# Copyright 2013 - 2021, nymea GmbH
# Contact: contact@nymea.io
#
# This file is part of nymea.
# This project including source code and documentation is protected by
# copyright law, and remains the property of nymea GmbH. All rights, including
# reproduction, publication, editing and translation, are reserved. The use of
# this project is subject to the terms of a license agreement to be concluded
# with nymea GmbH in accordance with the terms of use of nymea GmbH, available
# under https://nymea.io/license
#
# GNU Lesser General Public License Usage
# Alternatively, this project may be redistributed and/or modified under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; version 3. This project is distributed in the hope that
# it will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
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# https://nymea.io/license/faq
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import os
import sys
import json
import sqlite3
import requests
downloadUrl='https://macaddress.io/database/macaddress.io-db.json'
jsonDataFileName = 'macaddress.io-db.json'
databaseFileName = 'mac-addresses.db'
print('Downloading', downloadUrl, '...')
downloadRequest = requests.get(downloadUrl)
open(jsonDataFileName, 'wb').write(downloadRequest.content)
print('Reading JSON data..')
vendorInfoHash = {}
jsonDataFile = open(jsonDataFileName, 'r')
lines = jsonDataFile.readlines()
for line in lines:
vendorMap = json.loads(line)
vendorInfoHash[vendorMap['oui']] = vendorMap['companyName']
jsonDataFile.close()
if os.path.exists(databaseFileName):
print('Delete old db file', databaseFileName)
os.remove(databaseFileName)
print('Build up database', databaseFileName)
connection = sqlite3.connect(databaseFileName)
cursor = connection.cursor()
cursor.execute('CREATE TABLE companyNames (companyName TEXT PRIMARY KEY, UNIQUE(companyName));')
cursor.execute('CREATE TABLE oui (oui TEXT PRIMARY KEY, companyNameIndex INTEGER, UNIQUE(oui)) WITHOUT ROWID;')
#cursor.execute('CREATE UNIQUE INDEX ouiIndex ON `oui` (`oui`);')
# Insert all vendor names alphabetically
print('Writing company names into database...')
sortedVendorHash = sorted(vendorInfoHash.items(), key=lambda x: x[1], reverse=False)
vendorCount = 0
for vendorInfo in sortedVendorHash:
insertQuery = 'INSERT OR IGNORE INTO companyNames (companyName) VALUES(?);'
cursor.execute(insertQuery, [vendorInfo[1]])
cursor.execute('SELECT COUNT(companyName) FROM companyNames');
countResult = cursor.fetchall()
vendorCount = countResult[0][0]
connection.commit()
# Insert all oui with reference to company name
print('Writing OUI into database with company name refference...')
# Sort by oui for good binary search in the db
sortedOuiHash = sorted(vendorInfoHash.items(), key=lambda x: x[0], reverse=False)
ouiCount = 0
for vendorInfo in sortedOuiHash:
insertQuery = 'INSERT OR IGNORE INTO oui (oui, companyNameIndex) VALUES(?, (SELECT rowid FROM companyNames WHERE companyName = ?));'
cursor.execute(insertQuery, [vendorInfo[0].replace(':', ''), vendorInfo[1]])
cursor.execute('SELECT COUNT(oui) FROM oui');
countResult = cursor.fetchall()
ouiCount = countResult[0][0]
connection.commit()
connection.close()
print('Finished successfully. Loaded', ouiCount, 'OUI values from', vendorCount, 'manufacturers into', databaseFileName)