mirror of
https://github.com/keylase/nvidia-patch.git
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301 lines
11 KiB
Python
Executable File
301 lines
11 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import functools
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import itertools
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import os.path
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import subprocess
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import sys
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import tempfile
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import urllib.request
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import xml.etree.ElementTree as ET
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from binascii import unhexlify
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CRLF = b"\x0d\x0a"
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HEADER_FORMAT = b">%s"
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LINE_FORMAT = CRLF + b"%016X:%02X->%02X"
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OFFSET_ADJUSTMENT = 0xC00 # shift specific to x64dbg .1337 format
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def parse_args():
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parser = argparse.ArgumentParser(
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description="Generates .1337 patch for Nvidia drivers for Windows",
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formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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parser.add_argument("installer_file",
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nargs="+",
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help="location of installer executable(s)")
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parser.add_argument("-7", "--7zip",
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default="7z",
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dest="sevenzip",
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help="location of 7-zip `7z` executable")
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parser.add_argument("-T", "--target",
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nargs="+",
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default=[
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"Display.Driver/nvencodeapi64.dll",
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"Display.Driver/nvencodeapi.dll",
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],
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help="target location(s) in archive")
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parser.add_argument("-N", "--target-name",
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nargs="+",
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default=[
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"nvencodeapi64.dll",
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"nvencodeapi.dll",
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],
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help="name(s) of installed target file. Used for patch "
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"header")
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parser.add_argument("-P", "--patch-name",
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nargs="+",
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default=[
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"nvencodeapi64.1337",
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"nvencodeapi.1337",
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],
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help="relative filename(s) of generated patch(es)")
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parser.add_argument("-S", "--search",
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nargs="+",
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default=[
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"8BF085C0750549892FEB",
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"89450885C08B450C75048938EB",
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],
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help="representation of search pattern(s) binary string")
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parser.add_argument("-R", "--replacement",
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nargs="+",
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default=[
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"33C08BF0750549892FEB",
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"33C08945088B450C75048938EB",
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],
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help="representation of replacement(s) binary string")
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parser.add_argument("-o", "--stdout",
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action="store_true",
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help="output into stdout")
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parser.add_argument("-D", "--direct",
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action="store_true",
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help="supply patched library directly instead of "
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"installer file")
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args = parser.parse_args()
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return args
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class ExtractException(Exception):
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pass
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class PatternNotFoundException(Exception):
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pass
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class MultipleOccurencesException(Exception):
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pass
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class UnknownPlatformException(Exception):
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pass
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class InstallerNotFoundException(Exception):
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pass
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class ExtractedTarget:
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name = None
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def __init__(self, archive, dst_dir, arch_tgt, *, sevenzip="7z"):
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self._archive = archive
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self._dst_dir = dst_dir
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self._sevenzip = sevenzip
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self._arch_tgt = arch_tgt
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def __enter__(self):
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ret = subprocess.call([self._sevenzip,
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"e",
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"-o" + self._dst_dir,
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self._archive,
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self._arch_tgt],
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stdout=sys.stderr)
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if ret != 0:
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raise ExtractException("Subprocess returned non-zero exit code.")
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name = os.path.join(self._dst_dir, os.path.basename(self._arch_tgt))
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self.name = name
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return name
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def __exit__(self, exc_type, exc_value, traceback):
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if self.name is not None:
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os.remove(self.name)
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def expand(filename, *, sevenzip="7z"):
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proc = subprocess.Popen([sevenzip,
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"x",
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"-so",
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filename], stdout=subprocess.PIPE)
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result = proc.communicate()[0]
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if proc.returncode != 0:
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raise ExtractException("Subprocess returned non-zero exit code.")
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return result
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def extract_single_file(archive, filename, *, sevenzip="7z"):
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proc = subprocess.Popen([sevenzip,
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"e",
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"-so",
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archive,
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filename], stdout=subprocess.PIPE)
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result = proc.communicate()[0]
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if proc.returncode != 0:
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raise ExtractException("Subprocess returned non-zero exit code.")
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return result
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def make_patch(archive, *,
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arch_tgt,
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search,
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replacement,
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tmpdir,
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sevenzip="7z",
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direct=False):
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if direct:
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with open(archive, 'rb') as fo:
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f = fo.read()
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else:
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with ExtractedTarget(archive,
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tmpdir,
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arch_tgt,
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sevenzip=sevenzip) as tgt:
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if tgt.endswith(".dll"):
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with open(tgt, 'rb') as fo:
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f = fo.read()
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else:
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f = expand(tgt, sevenzip=sevenzip)
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offset = f.find(search)
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if offset == -1:
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raise PatternNotFoundException("Pattern not found.")
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if f[offset + len(search):].find(search) != -1:
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raise MultipleOccurencesException("Multiple occurences of pattern found!")
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del f
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print("Pattern found @ %016X" % (offset,), file=sys.stderr)
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res = []
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for (i, (left, right)) in enumerate(zip(search, replacement)):
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if left != right:
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res.append((offset + i, left, right))
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return res
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@functools.lru_cache(maxsize=None)
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def identify_driver(archive, *, sevenzip="7z"):
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manifest = extract_single_file(archive, "setup.cfg", sevenzip=sevenzip)
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root = ET.fromstring(manifest)
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version = root.attrib['version']
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product_type = root.find('./properties/string[@name="ProductType"]') \
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.attrib['value']
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return version, product_type
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def format_patch(diff, filename):
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res = HEADER_FORMAT % filename.encode('utf-8')
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for offset, left, right in diff:
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res += LINE_FORMAT % (offset + OFFSET_ADJUSTMENT, left, right)
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return res
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def patch_flow(installer_file, search, replacement, target, target_name, patch_name, *,
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tempdir, direct=False, stdout=False, sevenzip="7z"):
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search = unhexlify(search)
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replacement = unhexlify(replacement)
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assert len(search) == len(replacement), "len() of search and replacement is not equal"
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# Check if installer file exists or try to download
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print(f"Search for installer file `{installer_file}`...")
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if not os.path.isfile(installer_file):
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print("Installer file is not a file...")
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if not installer_file.startswith("http"):
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print("Installer file is not a URL...")
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# Construct URL from version
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print("Installer file is a version!")
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filename = installer_file + "-desktop-win10-win11-64bit-international-dch-whql.exe"
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installer_url = f"https://international.download.nvidia.com/Windows/{installer_file}/{filename}"
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else:
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print("Installer file is a URL!")
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installer_url = installer_file
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if installer_url:
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try:
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file_path = os.path.join(tempdir, os.path.basename(installer_url))
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if not os.path.isfile(file_path):
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with urllib.request.urlopen(installer_url) as response, open(file_path, 'wb') as out_file:
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print(f"Downloading... ({installer_url} TO {file_path})")
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print("This may take a while (~800MB)")
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out_file.write(response.read())
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print("Download completed successfully!")
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installer_file = file_path
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else:
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print(f"Using downloaded file in '{file_path}'")
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installer_file = file_path
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except (urllib.error.URLError, Exception) as e:
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raise InstallerNotFoundException(f"Failed to download the file: {e}")
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except Exception as e:
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raise InstallerNotFoundException(f"An error occurred during download: {str(e)}")
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else:
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raise InstallerNotFoundException(f"Invalid installer file or version: {installer_file}")
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# Rest of the code remains the same...
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patch = make_patch(installer_file,
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arch_tgt=target,
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search=search,
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replacement=replacement,
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tmpdir=tempdir,
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sevenzip=sevenzip,
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direct=direct)
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patch_content = format_patch(patch, target_name)
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if stdout:
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sys.stdout.buffer.write(patch_content)
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elif direct:
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with open(patch_name, mode='wb') as out:
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out.write(patch_content)
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else:
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version, product_type = identify_driver(installer_file, sevenzip=sevenzip)
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drv_prefix = {
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"100": "quadro_",
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"103": "quadro_",
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"300": "",
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"301": "nsd_",
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"303": "", # DCH
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"304": "nsd_",
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}
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installer_name = os.path.basename(installer_file).lower()
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if 'winserv2008' in installer_name or 'winserv-2012' in installer_name:
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os_prefix = 'ws2012_x64'
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elif 'winserv-2016' in installer_name or 'win10' in installer_name:
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os_prefix = 'win10_x64'
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elif 'win7' in installer_name:
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os_prefix = 'win7_x64'
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else:
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raise UnknownPlatformException(f"Can't infer platform from filename {installer_name}")
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driver_name = drv_prefix.get(product_type, "") + version
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out_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..', os_prefix, driver_name)
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os.makedirs(out_dir, 0o755, exist_ok=True)
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out_filename = os.path.join(out_dir, patch_name)
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with open(out_filename, 'wb') as out:
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out.write(patch_content)
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def main():
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args = parse_args()
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if args.direct:
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combinations = zip(args.installer_file, args.search, args.replacement,
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args.target, args.target_name, args.patch_name)
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else:
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base_params = zip(args.search, args.replacement, args.target, args.target_name, args.patch_name)
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combinations = ((l,) + r for l, r in itertools.product(args.installer_file, base_params))
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with tempfile.TemporaryDirectory() as tempdir:
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print(f"Using tempdir `{tempdir}`")
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for params in combinations:
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patch_flow(*params, tempdir=tempdir, direct=args.direct, stdout=args.stdout)
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if __name__ == '__main__':
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main()
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