bҳgSfdZddlZddlZddlZddlZddlZddlZddlZddlZddl Z ddl Z ddl Z ddl m Z ddlmZmZddlmZddlmZddlmZmZmZmZdd lmZmZmZmZmZmZdd lm Z!dd lm"Z"m#Z#m$Z$m%Z%m&Z&m'Z'm(Z(dd l)m*Z*dd l+m,Z,m-Z-m.Z.m/Z/ddl0m1Z1dZ2ej3Z4dddZ5d6ej7deddZ8ej9dkrdZ:dZ"dZ;dZd Z?ej@d!ZAd"ZBd#ZCd$ZDd%ZEdJd&ZFd'ZGd(ZHd)ZId*ZJd+ZKd,ZLd-ZMd.ZNeOd/ZPd0ZQd1ZRd2ZSd3ZTd4ZUd5ZVej@d6ZWd7ZXdKd8ZYd9ZZdLd:Z[dMd<Z\d=Z]d>Z^d?_d@Z`e`dAzZae`dBzZbdCZcdDZddEZedFZfdGZgdHZhdIZidS)Nz requests.utils ~~~~~~~~~~~~~~ This module provides utility functions that are used within Requests that are also useful for external consumption. 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Dy  d??44<<U++D<<U++D<<T**DxdBD)) tt us A A::BBcZtrt|St|S)zReturn True, if the host should be bypassed. Checks proxy settings gathered from the environment, if specified, or the registry. )rrrD)r>s rCrrrs. " # # /+D11 1(.. .cNt|dr|}|S)z/Returns an internal sequence dictionary update.items)hasattrrH)ds rCdict_to_sequencerK~s(q' GGII HrFc:d}d}t|tr|d}t|drt |}nt|dr|j}n~t|drn |}t j|j}d|j vrtj dtn#tjtf$rYnwxYwt|dr |}t|d rW|U |dd |}||pdn'#t$$rd}YnwxYwn#t$$r||}YnwxYw|d}t'd||z S) Nrutf-8__len__lenfilenoba%Requests has determined the content-length for this request using the binary size of the file: however, the file has been opened in text mode (i.e. without the 'b' flag in the mode). This may lead to an incorrect content-length. 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Unless it can not be represented as such, return an OrderedDict, e.g., :: >>> from_key_val_list([('key', 'val')]) OrderedDict([('key', 'val')]) >>> from_key_val_list('string') Traceback (most recent call last): ... ValueError: cannot encode objects that are not 2-tuples >>> from_key_val_list({'key': 'val'}) OrderedDict([('key', 'val')]) :rtype: OrderedDict N+cannot encode objects that are not 2-tuples)rUrrboolr4r7rvalues rCfrom_key_val_listr>sG$ }t%#udC011HFGGG u  rFc|dSt|ttttfrt dt|t r|}t|S)aTake an object and test to see if it can be represented as a dictionary. If it can be, return a list of tuples, e.g., :: >>> to_key_val_list([('key', 'val')]) [('key', 'val')] >>> to_key_val_list({'key': 'val'}) [('key', 'val')] >>> to_key_val_list('string') Traceback (most recent call last): ... ValueError: cannot encode objects that are not 2-tuples :rtype: list Nr) rUrrrr4r7rrHlistrs rCto_key_val_listrYsd" }t%#udC011HFGGG%!!  ;;rFcg}t|D]N}|dd|ddcxkrdkrnnt|dd}||O|S)aParse lists as described by RFC 2068 Section 2. In particular, parse comma-separated lists where the elements of the list may include quoted-strings. A quoted-string could contain a comma. A non-quoted string could have quotes in the middle. Quotes are removed automatically after parsing. It basically works like :func:`parse_set_header` just that items may appear multiple times and case sensitivity is preserved. The return value is a standard :class:`list`: >>> parse_list_header('token, "quoted value"') ['token', 'quoted value'] To create a header from the :class:`list` again, use the :func:`dump_header` function. :param value: a string with a list header. :return: :class:`list` :rtype: list Nrr")_parse_list_headerunquote_header_valueappend)rresultitems rCparse_list_headerrws.F"5)) 8tBCCy ' ' ' 'C ' ' ' ' ''QrT 33D d MrFci}t|D]a}d|vrd||< |dd\}}|dd|ddcxkrdkrnnt|dd}|||<b|S)a^Parse lists of key, value pairs as described by RFC 2068 Section 2 and convert them into a python dict: >>> d = parse_dict_header('foo="is a fish", bar="as well"') >>> type(d) is dict True >>> sorted(d.items()) [('bar', 'as well'), ('foo', 'is a fish')] If there is no value for a key it will be `None`: >>> parse_dict_header('key_without_value') {'key_without_value': None} To create a header from the :class:`dict` again, use the :func:`dump_header` function. :param value: a string with a dict header. :return: :class:`dict` :rtype: dict =Nrrr)rr8r)rrrrs rCparse_dict_headerrs,F"5)) d??F4L jja(( e !9bcc ) ) ) )c ) ) ) ) )(qt55Et MrFc|r`|d|dcxkrdkrGnnD|dd}|r|dddkr*|ddd dS|S) zUnquotes a header value. (Reversal of :func:`quote_header_value`). This does not use the real unquoting but what browsers are actually using for quoting. :param value: the header value to unquote. :rtype: str rrrrNrTz\\\z\")r:)r is_filenames rCrrs CqU2Y----#----- ad  CeBQBi611==..66ucBB B LrFcd|D}|S)zReturns a key/value dictionary from a CookieJar. :param cj: CookieJar object to extract cookies from. :rtype: dict c(i|]}|j|jSrh)rr)ricookies rC z'dict_from_cookiejar..s>>>6; >>>rFrhcj cookie_dicts rCdict_from_cookiejarrs?>2>>>K rFc"t||S)zReturns a CookieJar from a key/value dictionary. :param cj: CookieJar to insert cookies into. :param cookie_dict: Dict of key/values to insert into CookieJar. :rtype: CookieJar rrs rCadd_dict_to_cookiejarrs {B / //rFc`tjdttjdtj}tjdtj}tjd}||||z||zS)zlReturns encodings from given content string. :param content: bytestring to extract encodings from. zIn requests 3.0, get_encodings_from_content will be removed. For more information, please see the discussion on issue #2266. 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This function passes the given URI through an unquote/quote cycle to ensure that it is fully and consistently quoted. :rtype: str z!#$%&'()*+,/:;=?@[]~z!#$&'()*+,/:;=?@[]~)safe)rrr )r safe_with_percentsafe_without_percents rC requote_urirsk/0 5',,3DEEEE 555S3444444 5s$AAc tjdtj|d}|d\}}tjdtjt t |d}tjdtj|d|z}||z||zkS)zThis function allows you to check if an IP belongs to a network subnet Example: returns True if ip = 192.168.1.1 and net = 192.168.1.0/24 returns False if ip = 192.168.1.1 and net = 192.168.100.0/24 :rtype: bool z=Lrr)structunpacksocket inet_atonr8dotted_netmaskr4)ipnetipaddrnetaddrbitsnetmasknetworks rCaddress_in_networkr#s]4!1"!5!5 6 6q 9FIIcNNMGTmD&"2>#d))3L3L"M"MNNqQGmD&"27";";<I)r inet_ntoarpack)maskr s rCrrs8 b4i1, ,D  FKd33 4 44rFcT tj|n#t$rYdSwxYwdS)z :rtype: bool FT)rrr6) string_ips rCis_ipv4_addressr+sB#### uu 4s  %%cN|ddkr t|dd}n#t$rYdSwxYw|dks|dkrdS t j|ddn#t $rYdSwxYwdSdS)zV Very simple check of the cidr format in no_proxy variable. :rtype: bool rrFr%rT)countr4r8r7rrr6)string_networkr(s rC is_valid_cidrr/s C  A%% ~++C00344DD   55  !88tbyy5   ^11#66q9 : : : :   55 u 4s#(A AA$-B B B c#K|du}|r.tj|}|tj|< dV|r"|tj|=dS|tj|<dSdS#|r|tj|=n|tj|<wxYw)zSet the environment variable 'env_name' to 'value' Save previous value, yield, and then restore the previous value stored in the environment variable 'env_name'. If 'value' is None, do nothingN)rWrprq)env_namer value_changed old_values rC set_environr4s%M%JNN8,, $ 81   1 Jx((('0 8$$$  1 1= 1 Jx(('0 8$0000s A""#Bcd}|}| |d}t|}|jdS|rd|dddD}t |jr<|D]8}t |rt |j|rdS*|j|krdS9nR|j}|jr |d |jz }|D]4}|j|s||rdS5td|5 t|j}n#ttj f$rd }YnwxYwdddn #1swxYwY|rdSd S) zL Returns whether we should bypass proxies or not. :rtype: bool ctj|p0tj|SN)rWrprqupper)rs rC get_proxyz(should_bypass_proxies..get_proxys1z~~c""AbjnnSYY[[&A&AArFNno_proxyTc3K|]}||V dSr7rh)rir>s rCrkz(should_bypass_proxies..s'RRTTRDRRRRRRrF r,:F)rhostnamer:r8r+r/r#portendswithr4rrrgaierror) rzr:r9 no_proxy_argparsedproxy_iphost_with_portr>bypasss rCshould_bypass_proxiesrHs#BBB L9Z(( c]]F t SRX%5%5c2%>%>%D%DS%I%IRRR 6? + + $   ** )&/8DD$#tt$_00 441  $_N{ 4"3fk"3"33   ?++D11 ^5L5LT5R5R  44 Z . . !&/22FF6?+   FFF  t 5s6ED)(E)EEEEEEcDt||riStS)zA Return a dict of environment proxies. :rtype: dict r:)rHr)rzr:s rCget_environ_proxiesrK:s( S8444 ||rFc|pi}t|}|j.||j|dS|jdz|jz|jd|jzdg}d}|D]}||vr ||}n|S)zSelect a proxy for the url, if applicable. :param url: The url being for the request :param proxies: A dictionary of schemes or schemes and hosts to proxy URLs Nallz://zall://)rr?rqscheme)rzproxiesurlparts proxy_keysproxy proxy_keys rC select_proxyrTFs mG}}H {{8?GKK,>,>??? %("338$$ J E   I&E E  LrFcd||ni}|j}t|j}|d}|}|rct ||sRt ||}|||d}|r||||S)aThis method takes proxy information from a request and configuration input to resolve a mapping of target proxies. 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Does not replace a present scheme with the one provided as an argument. :rtype: str @Nr)rrxrr) rz new_schemerDrNauthr>r@rsqueryfragmentrxs rCprepend_scheme_if_neededrs s^^F6<3FD$dE8 ]F $V *4.)) ~ | vvtRA B BBrFct|} t|jt|jf}n#tt f$rd}YnwxYw|S)z{Given a url with authentication components, extract them into a tuple of username,password. :rtype: (str,str) )rr)rrusernamepasswordr_r)rzrDr~s rCget_auth_from_urlrsd c]]F(('&/*B*BC I & Ks(:AAcT|\}}t||dt||ddS)zVerifies that header parts don't contain leading whitespace reserved characters, or return characters. :param header: tuple, in the format (name, value). rrN)_validate_header_part)rrrs rCcheck_header_validityr s7 KD%&$***&%+++++rFc Dt|trt|}nHt|trt|}n%t d|d|dt |||s|dkrdnd}t d|d|dS) Nz Header part (z) from z# must be of type str or bytes, not rrrzTInvalid leading whitespace, reserved character(s), or return character(s) in header z: )rUrr rr rtyper<)r header_partheader_validator_index validator header_kinds rCrrs+s## *+AB K ' ' +,BC  EK E E& E E15k1B1B E E   ??; ' ' 6! ; ;ff  E&1 E E5@ E E     rFct|\}}}}}}|s||}}|ddd}t|||||dfS)zW Given a url remove the fragment and the authentication part. :rtype: str r|rrr)rrsplitr)rzrNrxrsrrrs rC urldefragauthr(sb 5=SMM1FFD&% $V ]]3 " "2 &F vvtVUB? @ @@rFct|jdd}|Jt|jtr0 ||jdS#t $rt dwxYwt d)zfMove file pointer back to its recorded starting position so it can be read again on redirect. rSNz;An error occurred when rewinding request body for redirect.z+Unable to rewind request body for redirect.)rbodyrU_body_positionrr6r!)prepared_request body_seeks rC rewind_bodyr9s(-vt<rs  ######00000000$$$$$$ :99999)((((( ,+++++" $c** )) BHWll48889JKLL <7$$$L / / /   B3B3B3J6 6 6 6 r&&&"""J    6<@F20002%%%22"$$$PM 0555, 5 5 55550 111*:::z    46####   """L  g  @CCC:    ,,,   &AAA"SSSSSrF