nvidia-patch/tools/nv-driver-locator/get_vulkan_downloads.py

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2020-01-17 20:40:55 +00:00
#!/usr/bin/env python3
import sys
import urllib.request
import urllib.error
import urllib.parse
import codecs
import enum
import re
from bs4 import BeautifulSoup
USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64; rv:65.0) '\
'Gecko/20100101 Firefox/65.0'
URL = 'https://developer.nvidia.com/vulkan-driver'
def parse_args():
import argparse
def check_positive_float(val):
val = float(val)
if val <= 0:
raise ValueError("Value %s is not valid positive float" %
(repr(val),))
return val
parser = argparse.ArgumentParser(
description="Retrieves info about latest NVIDIA Vulkan beta drivers "
"from developer downloads site",
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument("-T", "--timeout",
type=check_positive_float,
default=10.,
help="timeout for network operations")
args = parser.parse_args()
return args
def fetch_url(url, timeout=10):
http_req = urllib.request.Request(
url,
data=None,
headers={
'User-Agent': USER_AGENT
}
)
with urllib.request.urlopen(http_req, None, timeout) as resp:
coding = resp.headers.get_content_charset()
coding = coding if coding is not None else 'utf-8-sig'
decoder = codecs.getreader(coding)(resp)
res = decoder.read()
return res
def get_drivers(*, timeout=10):
body = fetch_url(URL)
soup = BeautifulSoup(body, 'html.parser')
result = []
section_start = soup.find('h4', string=re.compile(r'Vulkan Beta Driver Downloads', re.I))
section_end = section_start.find_next("h4")
for sibling in section_start.find_all_next():
if sibling is section_end:
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break
if sibling.name == 'p' and sibling.b is not None:
m = re.match(r'(Windows|Linux)\s+((\d+\.){1,2}\d+)', sibling.b.string)
if m is not None:
ver = m.group(2)
os = m.group(1)
obj = {
"name": "Vulkan Beta Driver for %s" % (os,),
"os": os,
"version": ver,
}
result.append(obj)
return result
def main():
import pprint
args = parse_args()
pprint.pprint(get_drivers(timeout=args.timeout))
if __name__ == '__main__':
main()