Merge pull request #338 from Snawoot/linux_nvidia_deb_channel
Linux nvidia deb channelpull/340/head
Snawoot
4 years ago
committed by
GitHub
commit
e56416e42a
@ -0,0 +1,129 @@
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#!/usr/bin/env python3
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import urllib.request
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import urllib.error
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import json
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import posixpath
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import codecs
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import gzip
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import sys
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from contextlib import contextmanager
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import itertools
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import string
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import codecs
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import pprint
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import re
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import collections
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USER_AGENT = 'Debian APT-HTTP/1.3 (1.6.6)'
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DEFAULT_REPO = "https://developer.download.nvidia.com/"\
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"compute/cuda/repos/ubuntu1804/x86_64/Packages.gz"
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DEFAULT_REGEX = '^cuda-drivers$'
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ENCODING = 'utf-8-sig'
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DriverEntry = collections.namedtuple('DriverEntry', ('name', 'version'))
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def upstream_version(version):
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epoch, delim, tail = version.partition(':')
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version = tail if delim else epoch
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return version.partition('-')[0]
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@contextmanager
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def packages_reader(url, timeout):
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http_req = urllib.request.Request(
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url,
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data=None,
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headers={
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'User-Agent': USER_AGENT
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}
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)
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with urllib.request.urlopen(http_req, None, timeout) as resp:
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if url.endswith('.gz') or resp.headers.get('Content-Type', '') == 'application/x-gzip':
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with gzip.GzipFile(fileobj=resp) as reader:
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yield codecs.getreader(ENCODING)(reader)
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else:
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yield codecs.getreader(ENCODING)(resp)
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def parse_packages(reader):
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for k, g in itertools.groupby(reader, lambda s: bool(s.strip())):
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if not k:
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continue
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pkg = dict()
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current_key = None
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current_val = None
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for line in g:
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if line[0] in string.whitespace:
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# Continuation
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if current_key is None:
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continue
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current_val += line.rstrip()
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else:
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# New field
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if current_key is not None:
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pkg[current_key.lower()] = current_val
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current_key, _, current_val = line.partition(':')
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current_val = current_val.strip()
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if current_key is not None:
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pkg[current_key.lower()] = current_val
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if 'package' in pkg and 'version' in pkg:
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yield pkg
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def _get_deb_versions(*, url=DEFAULT_REPO, name=DEFAULT_REGEX, timeout=10):
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pattern = re.compile(name)
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with packages_reader(url, timeout) as lines:
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for pkg in parse_packages(lines):
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if pattern.match(pkg['package']) is not None:
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yield DriverEntry(pkg['package'], upstream_version(pkg['version']))
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def get_deb_versions(*args, **kwargs):
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return list(set(_get_deb_versions(*args, **kwargs)))
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def parse_args():
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import argparse
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def check_positive_float(val):
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val = float(val)
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if val <= 0:
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raise ValueError("Value %s is not valid positive float" %
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(repr(val),))
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return val
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parser = argparse.ArgumentParser(
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description="Retrieves info about latest NVIDIA drivers available in "
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"Nvidia deb packages repositories",
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formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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parser.add_argument("-U", "--url",
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default=DEFAULT_REPO,
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help="URL for Packages or Packages.gz file")
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parser.add_argument("-N", "--name",
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default=DEFAULT_REGEX,
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help="Package name regexp")
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parser.add_argument("-T", "--timeout",
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type=check_positive_float,
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default=10.,
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help="timeout for network operations")
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args = parser.parse_args()
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return args
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def main():
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args = parse_args()
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drv = get_deb_versions(url=args.url,
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name=args.name,
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timeout=args.timeout)
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if drv is None:
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print("NOT FOUND")
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sys.exit(3)
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if False: #not args.raw:
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print("Version: %s" % (drv['DriverAttributes']['Version'],))
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print("Beta: %s" % (bool(int(drv['DriverAttributes']['IsBeta'])),))
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print("WHQL: %s" % (bool(int(drv['DriverAttributes']['IsWHQL'])),))
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print("URL: %s" % (drv['DriverAttributes']['DownloadURLAdmin'],))
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else:
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json.dump(drv, sys.stdout, indent=4)
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sys.stdout.flush()
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if __name__ == '__main__':
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main()
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