U ÀÒ.eíã@s†ddlmZddlmZddlmZmZddlmZdZ zddl ZWnek rXYn Xe d7Z e ƒZdd d „Zdd„Zd d„ZdS)é)Úabsolute_import)Ú b64encodeé)ÚbÚ integer_types)ÚUnrewindableBodyErrorzgzip,deflateNz,brcCsši}|r6t|tƒrnt|tƒr*d |¡}nt}||d<|rB||d<|rNd|d<|rldtt|ƒƒ d¡|d<|rŠdtt|ƒƒ d¡|d <|r–d |d<|S)a Shortcuts for generating request headers. :param keep_alive: If ``True``, adds 'connection: keep-alive' header. :param accept_encoding: Can be a boolean, list, or string. ``True`` translates to 'gzip,deflate'. List will get joined by comma. String will be used as provided. :param user_agent: String representing the user-agent you want, such as "python-urllib3/0.6" :param basic_auth: Colon-separated username:password string for 'authorization: basic ...' auth header. :param proxy_basic_auth: Colon-separated username:password string for 'proxy-authorization: basic ...' auth header. :param disable_cache: If ``True``, adds 'cache-control: no-cache' header. Example:: >>> make_headers(keep_alive=True, user_agent="Batman/1.0") {'connection': 'keep-alive', 'user-agent': 'Batman/1.0'} >>> make_headers(accept_encoding=True) {'accept-encoding': 'gzip,deflate'} ú,zaccept-encodingz user-agentz keep-aliveZ connectionzBasic zutf-8Z authorizationzproxy-authorizationzno-cachez cache-control)Ú isinstanceÚstrÚlistÚjoinÚACCEPT_ENCODINGrrÚdecode)Z keep_aliveZaccept_encodingZ user_agentZ basic_authZproxy_basic_authZ disable_cacheZheaders©rúD/usr/lib/python3.8/site-packages/pip/_vendor/urllib3/util/request.pyÚmake_headerss.* ÿþ rc CsR|dk rt||ƒn:t|ddƒdk rNz| ¡}Wnttfk rLt}YnX|S)z If a position is provided, move file to that point. Otherwise, we'll attempt to record a position for future use. NÚtell)Úrewind_bodyÚgetattrrÚIOErrorÚOSErrorÚ_FAILEDTELL)ÚbodyÚposrrrÚset_file_positionZs rc Cstt|ddƒ}|dk rNt|tƒrNz||ƒWqpttfk rJtdƒ‚YqpXn"|tkr`tdƒ‚ntdt|ƒƒ‚dS)zæ Attempt to rewind body to a certain position. Primarily used for request redirects and retries. :param body: File-like object that supports seek. :param int pos: Position to seek to in file. ÚseekNzAAn error occurred when rewinding request body for redirect/retry.zRUnable to record file position for rewinding request body during a redirect/retry.z4body_pos must be of type integer, instead it was %s.) rr rrrrrÚ ValueErrorÚtype)rZbody_posZ body_seekrrrrlsÿÿ ÿr)NNNNNN)Z __future__rÚbase64rZpackages.sixrrÚ exceptionsrr ZbrotliZ_unused_module_brotliÚImportErrorÚobjectrrrrrrrrÚs&ú H