How to use _has_valid_hash method in avocado

Best Python code snippet using avocado_python Github


Full Screen

...264 if time.monotonic() > expire_time:265 return True266 return False267 @classmethod268 def _has_valid_hash(cls, asset_path, asset_hash=None):269 """Checks if a file has a valid hash based on the hash parameter.270 If asset_hash is None then will consider a valid asset.271 """272 if asset_hash is None:273 LOG.debug("No hash provided. Cannot check the asset file"274 " integrity.")275 return True276 hash_path = cls._get_hash_file(asset_path)277 _, hash_from_file = cls.read_hash_from_file(hash_path)278 if hash_from_file == asset_hash:279 return True280 return False281 def _verify_hash(self, asset_path):282 """283 Verify if the `asset_path` hash matches the hash in the hash file.284 :param asset_path: full path of the asset file.285 :returns: True when self.asset_hash is None or when it has the same286 value as the hash of the asset_file, otherwise return False.287 :rtype: bool288 """289 return self._has_valid_hash(asset_path, self.asset_hash)290 def fetch(self, timeout=None):291 """Try to fetch the current asset.292 First tries to find the asset on the provided cache_dirs list.293 Then tries to download the asset from the locations list294 provided.295 :param timeout: timeout in seconds. Default is296 :data:`afutils.asset.DOWNLOAD_TIMEOUT`.297 :raise OSError: When it fails to fetch the asset298 :returns: The path for the file on the cache directory.299 :rtype: str300 """301 # First let's search for the file in each one of the cache locations302 asset_file = None303 error = "Can't fetch: 'urls' is not defined."304 timeout = timeout or DOWNLOAD_TIMEOUT305"Fetching asset %s", try:307 return self.find_asset_file(create_metadata=True)308 except OSError:309"Asset not in cache, fetching it.")310 # If we get to this point, we have to download it from a location.311 # A writable cache directory is then needed. The first available312 # writable cache directory will be used.313 cache_dir = self._get_writable_cache_dir()314 # Now we have a writable cache_dir. Let's get the asset.315 for url in self.urls:316 if url is None:317 continue318 urlobj = urlparse(url)319 if urlobj.scheme in ['http', 'https', 'ftp']:320 fetch = self._download321 elif urlobj.scheme == 'file':322 fetch = self._get_local_file323 # We are assuming that everything starting with './' or '/' are a324 # file too.325 elif url.startswith(('/', './')):326 fetch = self._get_local_file327 else:328 raise UnsupportedProtocolError("Unsupported protocol"329 ": %s" % urlobj.scheme)330 asset_file = os.path.join(cache_dir,331 self.relative_dir)332 dirname = os.path.dirname(asset_file)333 if not os.path.isdir(dirname):334 os.makedirs(dirname, exist_ok=True)335 try:336 if fetch(urlobj, asset_file, timeout):337"Asset downloaded.")338 if self.metadata is not None:339 self._create_metadata_file(asset_file)340 return asset_file341 except Exception: # pylint: disable=W0703342 exc_type, exc_value = sys.exc_info()[:2]343 LOG.error('%s: %s', exc_type.__name__, exc_value)344 error = exc_value345 raise OSError("Failed to fetch %s (%s)." % (self.asset_name, error))346 def find_asset_file(self, create_metadata=False):347 """348 Search for the asset file in each one of the cache locations349 :param bool create_metadata: Should this method create the350 metadata in case asset file found351 and metadata is not found? Default352 is False.353 :return: asset path, if it exists in the cache354 :rtype: str355 :raises: OSError356 """357 for cache_dir in self.cache_dirs:358 cache_dir = os.path.expanduser(cache_dir)359 asset_file = os.path.join(cache_dir, self.relative_dir)360 # Ignore non-files361 if not os.path.isfile(asset_file):362 continue363 # Ignore expired asset files364 if self._is_expired(asset_file, self.expire):365 continue366 # Ignore mismatch hash367 if not self._has_valid_hash(asset_file, self.asset_hash):368 continue369 if create_metadata:370 self._create_metadata_file(asset_file)371"Asset already exists in cache.")372 return asset_file373 raise OSError("File %s not found in the cache." % self.asset_name)374 def get_metadata(self):375 """376 Returns metadata of the asset if it exists or None.377 :return: metadata378 :rtype: dict or None379 """380 try:381 asset_file = self.find_asset_file()382 except OSError:383 raise OSError("Metadata not available.")384 basename = os.path.splitext(asset_file)[0]385 metadata_file = "%s_metadata.json" % basename386 if os.path.isfile(metadata_file):387 with open(metadata_file, "r", encoding='utf-8') as f:388 metadata = json.load(f)389 return metadata390 @property391 def asset_name(self):392 if self.parsed_name.query:393 return self.parsed_name.query394 return os.path.basename(self.parsed_name.path)395 @classmethod396 def get_all_assets(cls, cache_dirs, sort=True):397 """Returns all assets stored in all cache dirs."""398 assets = []399 for cache_dir in cache_dirs:400 expanded = os.path.expanduser(cache_dir)401 for root, _, files in os.walk(expanded):402 for f in files:403 if not f.endswith('-CHECKSUM') and \404 not f.endswith('_metadata.json'):405 assets.append(os.path.join(root, f))406 if sort:407 assets = {a: os.stat(a).st_atime for a in assets}408 return [a[0] for a in sorted(assets.items(),409 key=lambda x: x[1],410 reverse=True)]411 return assets412 @classmethod413 def get_asset_by_name(cls, name, cache_dirs, expire=None, asset_hash=None):414 """This method will return a cached asset based on name if exists.415 You don't have to instantiate an object of Asset class. Just use this416 method.417 To be improved soon: cache_dirs should be not necessary.418 :param name: the asset filename used during registration.419 :param cache_dirs: list of directories to use during the search.420 :param expire: time in seconds for the asset to expire. Expired assets421 will not be returned.422 :param asset_hash: asset hash.423 :return: asset path, if it exists in the cache.424 :rtype: str425 :raises: OSError426 """427 for cache_dir in cache_dirs:428 asset_file = os.path.join(os.path.expanduser(cache_dir),429 'by_name',430 name)431 # Ignore non-files432 if not os.path.isfile(asset_file):433 continue434 # Ignore expired asset files435 if cls._is_expired(asset_file, expire):436 continue437 # Ignore mismatch hash438 if not cls._has_valid_hash(asset_file, asset_hash):439 continue440 return asset_file441 raise OSError("File %s not found in the cache." % name)442 @classmethod443 def get_assets_unused_for_days(cls, days, cache_dirs):444 """Return a list of all assets in cache based on the access time.445 This will check if the file's data wasn't modified N days ago.446 :param days: how many days ago will be the threshold. Ex: "10" will447 return the assets files that *was not* accessed during448 the last 10 days.449 :param cache_dirs: list of directories to use during the search.450 """451 result = []452 for file_path in cls.get_all_assets(cache_dirs):...

Full Screen

Full Screen

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.

LambdaTest Learning Hubs:


You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Run avocado automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

Next-Gen App & Browser Testing Cloud

Was this article helpful?