fastapi-dls/app/util.py

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import logging
logging.basicConfig()
def load_file(filename: str) -> bytes:
log = logging.getLogger(f'{__name__}')
log.debug(f'Loading contents of file "{filename}')
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with open(filename, 'rb') as file:
content = file.read()
return content
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def load_key(filename: str) -> "RsaKey":
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try:
# Crypto | Cryptodome on Debian
from Crypto.PublicKey import RSA
from Crypto.PublicKey.RSA import RsaKey
except ModuleNotFoundError:
from Cryptodome.PublicKey import RSA
from Cryptodome.PublicKey.RSA import RsaKey
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log = logging.getLogger(__name__)
log.debug(f'Importing RSA-Key from "{filename}"')
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return RSA.import_key(extern_key=load_file(filename), passphrase=None)
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def generate_key() -> "RsaKey":
try:
# Crypto | Cryptodome on Debian
from Crypto.PublicKey import RSA
from Crypto.PublicKey.RSA import RsaKey
except ModuleNotFoundError:
from Cryptodome.PublicKey import RSA
from Cryptodome.PublicKey.RSA import RsaKey
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log = logging.getLogger(__name__)
log.debug(f'Generating RSA-Key')
return RSA.generate(bits=2048)
class NV:
__DRIVER_MATRIX_FILENAME = 'static/driver_matrix.json'
__DRIVER_MATRIX: None | dict = None # https://docs.nvidia.com/grid/ => "Driver Versions"
def __init__(self):
self.log = logging.getLogger(self.__class__.__name__)
if NV.__DRIVER_MATRIX is None:
from json import load as json_load
try:
file = open(NV.__DRIVER_MATRIX_FILENAME)
NV.__DRIVER_MATRIX = json_load(file)
file.close()
self.log.debug(f'Successfully loaded "{NV.__DRIVER_MATRIX_FILENAME}".')
except Exception as e:
NV.__DRIVER_MATRIX = {} # init empty dict to not try open file everytime, just when restarting app
# self.log.warning(f'Failed to load "{NV.__DRIVER_MATRIX_FILENAME}": {e}')
@staticmethod
def find(version: str) -> dict | None:
if NV.__DRIVER_MATRIX is None:
return None
for idx, (key, branch) in enumerate(NV.__DRIVER_MATRIX.items()):
for release in branch.get('$releases'):
linux_driver = release.get('Linux Driver')
windows_driver = release.get('Windows Driver')
if version == linux_driver or version == windows_driver:
tmp = branch.copy()
tmp.pop('$releases')
is_latest = release.get('vGPU Software') == branch.get('Latest Release in Branch')
return {
'software_branch': branch.get('vGPU Software Branch'),
'branch_version': release.get('vGPU Software'),
'driver_branch': branch.get('Driver Branch'),
'branch_status': branch.get('vGPU Branch Status'),
'release_date': release.get('Release Date'),
'eol': branch.get('EOL Date') if is_latest else None,
'is_latest': is_latest,
}
return None