@ fdZddlZddlZddlZddlmZdZdZdZdZ dZ ej e Z d Zefd Zefd Zd Zd ZGddeZdS)z4Shared utilities used by both downloads and uploads.N)commonrangez content-rangezCurrently using crcmod in pure python form. This is a slow implementation. Python 3 has a faster implementation, `google-crc32c`, which will be used if it is installed.z x-goog-hashzNo {checksum_type} checksum was returned from the service while downloading {} (which happens for composite objects), so client-side content integrity checking is not being performed.cdS)zSimple default callback.Nru/home/panchajanya/Development/work/volatility3/lib/python3.11/site-packages/google/_async_resumable_media/_helpers.py do_nothingr )rcp||}||vr |tj|d|||S)aChecks that a specific header is in a headers dictionary. Args: response (object): An HTTP response object, expected to have a ``headers`` attribute that is a ``Mapping[str, str]``. name (str): The name of a required header. get_headers (Callable[Any, Mapping[str, str]]): Helper to get headers from an HTTP response. callback (Optional[Callable]): A callback that takes no arguments, to be executed when an exception is being raised. Returns: str: The desired header. Raises: ~google.resumable_media.common.InvalidResponse: If the header is missing. z$Response headers must contain headerrInvalidResponse)responsename get_headerscallbackheaderss rheader_requiredr-sR&k(##G 7 $ rDs ;: *))))) &-  $ ' H % %###;E:KU><<<6111h      V      r