mirror of
https://github.com/bluekitchen/btstack.git
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116 lines
2.9 KiB
Python
Executable File
116 lines
2.9 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Scrape GATT UUIDs from Bluetooth SIG page
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# https://www.bluetooth.com/specifications/assigned-numbers/company-identifiers
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#
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# Copyright 2017 BlueKitchen GmbH
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#
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from lxml import html
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import datetime
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import requests
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import sys
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import codecs
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import os
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import re
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headers = {'user-agent': 'curl/7.63.0'}
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program_info = '''
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BTstack Company ID Scraper for BTstack
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Copyright 2017, BlueKitchen GmbH
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'''
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header = '''
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/**
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* bluetooth_company_id.h generated from Bluetooth SIG website for BTstack by tool/bluetooth_company_id.py
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* {datetime}
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*/
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#ifndef BLUETOOTH_COMPANY_ID_H
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#define BLUETOOTH_COMPANY_ID_H
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'''
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page_info = '''
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/**
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* Assigned numbers from {page}
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*/
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'''
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trailer = '''
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#endif
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'''
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tags = []
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def strip_non_ascii(string):
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stripped = (c for c in string if 0 < ord(c) < 127)
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return ''.join(stripped)
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def create_name(company):
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# limit to ascii
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company = strip_non_ascii(company)
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# remove parts in braces
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p = re.compile('\(.*\)')
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tag = p.sub('',company).rstrip().upper()
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tag = tag.replace('&',' AND ')
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tag = tag.replace(''','')
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tag = tag.replace('"',' ')
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tag = tag.replace('+',' AND ')
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tag = tag.replace(' - ', ' ')
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tag = tag.replace('/', ' ')
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tag = tag.replace(';',' ')
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tag = tag.replace(',','')
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tag = tag.replace('.', '')
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tag = tag.replace('-','_')
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tag = tag.replace(' ',' ')
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tag = tag.replace(' ',' ')
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tag = tag.replace(' ',' ')
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tag = tag.replace(' ','_')
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tag = tag.replace('&','AND')
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tag = tag.replace("'","_")
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tag = tag.replace('"','_')
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tag = tag.replace('!','_')
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return "BLUETOOTH_COMPANY_ID_" + tag
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def scrape_page(fout, url):
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global headers
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print("Parsing %s" % url)
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fout.write(page_info.format(page=url))
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# get from web
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r = requests.get(url, headers=headers)
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content = r.text
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# test: fetch from local file 'service-discovery.html'
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# f = codecs.open("company-identifiers.html", "r", "utf-8")
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# content = f.read();
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tree = html.fromstring(content)
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rows = tree.xpath('//table/tbody/tr')
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for row in rows:
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children = row.getchildren()
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id_hex = children[1].text_content()
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company = create_name(children[2].text_content())
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if company in tags:
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company = company+"2"
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else:
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tags.append(company)
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fout.write("#define %-80s %s\n" % (company, id_hex))
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# map CSR onto QTIL
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fout.write("#define BLUETOOTH_COMPANY_ID_CAMBRIDGE_SILICON_RADIO BLUETOOTH_COMPANY_ID_QUALCOMM_TECHNOLOGIES_INTERNATIONAL_LTD\n")
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btstack_root = os.path.abspath(os.path.dirname(sys.argv[0]) + '/..')
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gen_path = btstack_root + '/src/bluetooth_company_id.h'
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print(program_info)
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with open(gen_path, 'wt') as fout:
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fout.write(header.format(datetime=str(datetime.datetime.now())))
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scrape_page(fout, 'https://www.bluetooth.com/specifications/assigned-numbers/company-identifiers')
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fout.write(trailer)
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print('Scraping successful!\n')
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