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__init__.cpython-39.opt-1.pyc — 6.26 KB
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__init__.cpython-39.opt-2.pyc — 5.42 KB
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__init__.cpython-39.pyc — 6.26 KB
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6.26 KB 2026-04-27 17:40 rw-r--r--
client.cpython-39.opt-1.pyc — 34.63 KB
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client.cpython-39.opt-2.pyc — 25.33 KB
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client.cpython-39.pyc — 34.71 KB
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cookiejar.cpython-39.opt-1.pyc — 52.1 KB
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cookiejar.cpython-39.opt-2.pyc — 36.83 KB
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cookiejar.cpython-39.pyc — 52.25 KB
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52.25 KB 2026-04-27 17:40 rw-r--r--
cookies.cpython-39.opt-1.pyc — 14.68 KB
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cookies.cpython-39.opt-2.pyc — 10.38 KB
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cookies.cpython-39.pyc — 14.71 KB
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server.cpython-39.opt-1.pyc — 34.21 KB
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server.cpython-39.opt-2.pyc — 22.45 KB
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server.cpython-39.pyc — 34.21 KB
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a i#,@sdZgdZddlZddlZddlZddlZddlZddlZddl Zddl Z ddl Z ddlmZdZdaddZee jjZdZd d Zd Zd d ZgdZgdZgZeD]Zee qdeddZ!dfddZ"dddddZ#e$dej%Z&ddZ'ddZ(e$dej%Z)e$dej*ej%BZ+e$dej,ej%BZ-ddZ.e$dej,ej%BZ/d d!Z0d"d#Z1e$d$Z2e$d%Z3e$d&Z4e$d'Z5d(d)Z6e$d*Z7d+d,Z8d-d.Z9d/d0Z:e$d1ej%Z;d2d3Zd8d9Z?e$d:ej%Z@d;d<ZAd=d>ZBd?d@ZCdAdBZDdCZEe$dDZFdEdFZGdGdHZHdIdJZIdKdLZJGdMdNdNZKGdOdPdPZLGdQdRdReLZMdSdTZNdUdVZOGdWdXdXZPGdYdZdZZQGd[d\d\eRZSGd]d^d^eQZTd_d`ZUGdadbdbeTZVGdcddddeTZWdS)gaHTTP cookie handling for web clients. This module has (now fairly distant) origins in Gisle Aas' Perl module HTTP::Cookies, from the libwww-perl library. Docstrings, comments and debug strings in this code refer to the attributes of the HTTP cookie system as cookie-attributes, to distinguish them clearly from Python attributes. Class diagram (note that BSDDBCookieJar and the MSIE* classes are not distributed with the Python standard library, but are available from http://wwwsearch.sf.net/): CookieJar____ / \ \ FileCookieJar \ \ / | \ \ \ MozillaCookieJar | LWPCookieJar \ \ | | \ | ---MSIEBase | \ | / | | \ | / MSIEDBCookieJar BSDDBCookieJar |/ MSIECookieJar )Cookie CookieJar CookiePolicyDefaultCookiePolicy FileCookieJar LWPCookieJar LoadErrorMozillaCookieJarN)timegmFcGs(tsdStsddl}|datj|S)Nr zhttp.cookiejar)debugloggerlogging getLogger)argsr r&/usr/lib64/python3.9/http/cookiejar.py_debug,s  rzQa filename was not supplied (nor was the CookieJar instance initialised with one)cCsJddl}ddl}ddl}|}|d||}|jd|dddS)Nr zhttp.cookiejar bug! %s) stacklevel)iowarnings tracebackStringIO print_excgetvaluewarn)rrrfmsgrrr_warn_unhandled_exception:s  ricCs|dd\}}}}}}|tkrd|kr4dkrnnhd|krLdkrnnPd|krddkrnn8d|kr|dkrnn d|krdkrnnt|SdSdS) N r ;=) EPOCH_YEARr )ttyearmonthZmdayhourminsecrrr_timegmIs 8   r-)ZMonZTueZWedZThuZFriZSatZSun) ZJanZFebZMarZAprZMayZJunZJulZAugZSepZOctZNovZDeccCs@|durtj}n tj|}d|j|j|j|j|j|jfS)aHReturn a string representing time in seconds since epoch, t. If the function is called without an argument, it will use the current time. The format of the returned string is like "YYYY-MM-DD hh:mm:ssZ", representing Universal Time (UTC, aka GMT). An example of this format is: 1994-11-24 08:49:37Z Nz%04d-%02d-%02d %02d:%02d:%02dZ) datetimeutcnowutcfromtimestampr(r)dayr*minutesecondtZdtrrr time2isozWs   r6cCsR|durtj}n tj|}dt||jt|jd|j|j |j |j fS)zReturn a string representing time in seconds since epoch, t. If the function is called without an argument, it will use the current time. 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(?: \(\w+\) # ASCII representation of timezone in parens. \s* )?$c Cst|}|rl|}t|dd}t|d|t|dt|dt|dt|df}t|S| }t d|d}dgd \}}}}}} } t |}|dur|\}}}}}} } ndSt |||||| | S) aReturns time in seconds since epoch of time represented by a string. Return value is an integer. None is returned if the format of str is unrecognized, the time is outside the representable range, or the timezone string is not recognized. If the string contains no timezone, UTC is assumed. The timezone in the string may be numerical (like "-0800" or "+0100") or a string timezone (like "UTC", "GMT", "BST" or "EST"). Currently, only the timezone strings equivalent to UTC (zero offset) are known to the function. The function loosely parses the following formats: Wed, 09 Feb 1994 22:23:32 GMT -- HTTP format Tuesday, 08-Feb-94 14:15:29 GMT -- old rfc850 HTTP format Tuesday, 08-Feb-1994 14:15:29 GMT -- broken rfc850 HTTP format 09 Feb 1994 22:23:32 GMT -- HTTP format (no weekday) 08-Feb-94 14:15:29 GMT -- rfc850 format (no weekday) 08-Feb-1994 14:15:29 GMT -- broken rfc850 format (no weekday) The parser ignores leading and trailing whitespace. The time may be absent. If the year is given with only 2 digits, the function will select the century that makes the year closest to the current date. r rr r<N)STRICT_DATE_RErAgroupsrJrKrLrBfloatr-lstrip WEEKDAY_REsubLOOSE_HTTP_DATE_RErV) textrFgrRr'r1rSrTr+r,rDrrr http2times   rda^ (\d{4}) # year [-\/]? (\d\d?) # numerical month [-\/]? (\d\d?) # day (?: (?:\s+|[-:Tt]) # separator before clock (\d\d?):?(\d\d) # hour:min (?::?(\d\d(?:\.\d*)?))? # optional seconds (and fractional) )? # optional clock \s* (?: ([-+]?\d\d?:?(:?\d\d)? |Z|z) # timezone (Z is "zero meridian", i.e. GMT) \s* )?$c Csd|}dgd\}}}}}}}t|}|durL|\}}}}}}}} ndSt|||||||S)av As for http2time, but parses the ISO 8601 formats: 1994-02-03 14:15:29 -0100 -- ISO 8601 format 1994-02-03 14:15:29 -- zone is optional 1994-02-03 -- only date 1994-02-03T14:15:29 -- Use T as separator 19940203T141529Z -- ISO 8601 compact format 19940203 -- only date NrZ)r^ ISO_DATE_RErAr\rV) rbr1rRrSrTr+r,rDrF_rrriso2time+s  rgcCs*|d\}}|jd||j|dS)z)Return unmatched part of re.Match object.r N)spanstring)matchstartendrrr unmatchedLsrmz^\s*([^=\s;,]+)z&^\s*=\s*\"([^\"\\]*(?:\\.[^\"\\]*)*)\"z^\s*=\s*([^\s;,]*)z\\(.)c Csg}|D]}|}g}|rt|}|rt|}|d}t|}|rft|}|d}td|}n.t|}|rt|}|d}|}nd}| ||fq| dr| dd}|r| |g}qt dd|\}} |}q|r| |q|S)amParse header values into a list of lists containing key,value pairs. The function knows how to deal with ",", ";" and "=" as well as quoted values after "=". A list of space separated tokens are parsed as if they were separated by ";". If the header_values passed as argument contains multiple values, then they are treated as if they were a single value separated by comma ",". This means that this function is useful for parsing header fields that follow this syntax (BNF as from the HTTP/1.1 specification, but we relax the requirement for tokens). headers = #header header = (token | parameter) *( [";"] (token | parameter)) token = 1* separators = "(" | ")" | "<" | ">" | "@" | "," | ";" | ":" | "\" | <"> | "/" | "[" | "]" | "?" | "=" | "{" | "}" | SP | HT quoted-string = ( <"> *(qdtext | quoted-pair ) <"> ) qdtext = > quoted-pair = "\" CHAR parameter = attribute "=" value attribute = token value = token | quoted-string Each header is represented by a list of key/value pairs. The value for a simple token (not part of a parameter) is None. Syntactically incorrect headers will not necessarily be parsed as you would want. This is easier to describe with some examples: >>> split_header_words(['foo="bar"; port="80,81"; discard, bar=baz']) [[('foo', 'bar'), ('port', '80,81'), ('discard', None)], [('bar', 'baz')]] >>> split_header_words(['text/html; charset="iso-8859-1"']) [[('text/html', None), ('charset', 'iso-8859-1')]] >>> split_header_words([r'Basic realm="\"foo\bar\""']) [[('Basic', None), ('realm', '"foobar"')]] r z\1N,z^[=\s;]*rY)HEADER_TOKEN_RErArmrCHEADER_QUOTED_VALUE_REHEADER_ESCAPE_REr`HEADER_VALUE_RErstripappendr^ startswithresubn) Z header_valuesresultrbZ orig_textpairsrFnamevalueZnon_junkZ nr_junk_charsrrrsplit_header_wordsUs:.       r|([\"\\])cCs|g}|D]h}g}|D]F\}}|durPtd|sDtd|}d|}d||f}||q|r|d|qd|S)aDo the inverse (almost) of the conversion done by split_header_words. Takes a list of lists of (key, value) pairs and produces a single header value. Attribute values are quoted if needed. >>> join_header_words([[("text/plain", None), ("charset", "iso-8859-1")]]) 'text/plain; charset="iso-8859-1"' >>> join_header_words([[("text/plain", None)], [("charset", "iso-8859-1")]]) 'text/plain, charset="iso-8859-1"' Nz^\w+$\\\1z"%s"%s=%s; , )rvrAHEADER_JOIN_ESCAPE_REr`rtjoin)Zlistsheadersryattrkvrrrjoin_header_wordss      rcCs0|dr|dd}|dr,|dd}|S)N"r )ruendswithrbrrr strip_quotess     rc Csd}g}|D]}g}d}t|dD]\}}|}|d\}} } |}|sb|dkr&qnq&| rn| nd} |dkr|} | |vr| }|dkr| durt| } d}n|d kr| durtt| } ||| fq&|r |s|d ||q |S) a5Ad-hoc parser for Netscape protocol cookie-attributes. The old Netscape cookie format for Set-Cookie can for instance contain an unquoted "," in the expires field, so we have to use this ad-hoc parser instead of split_header_words. XXX This may not make the best possible effort to parse all the crap that Netscape Cookie headers contain. Ronald Tschalar's HTTPClient parser is probably better, so could do worse than following that if this ever gives any trouble. Currently, this is also used for parsing RFC 2109 cookies. )expiresdomainpathsecureversionportmax-ageF;=r NrTr)r0) enumeratesplitstrip partitionrLrrdrt) Z ns_headersZ known_attrsrxZ ns_headerry version_setiiZparamkeysepvallcrrrparse_ns_headerss>   rz\.\d+$cCs:t|rdS|dkrdS|ddks2|ddkr6dSdS)z*Return True if text is a host domain name.FrYr .rTIPV4_RErArrrris_HDNs rcCsl|}|}||krdSt|s(dS||}|dksB|dkrFdS|dsTdSt|ddshdSdS)aReturn True if domain A domain-matches domain B, according to RFC 2965. A and B may be host domain names or IP addresses. RFC 2965, section 1: Host names can be specified either as an IP address or a HDN string. Sometimes we compare one host name with another. (Such comparisons SHALL be case-insensitive.) Host A's name domain-matches host B's if * their host name strings string-compare equal; or * A is a HDN string and has the form NB, where N is a non-empty name string, B has the form .B', and B' is a HDN string. (So, x.y.com domain-matches .Y.com but not Y.com.) Note that domain-match is not a commutative operation: a.b.c.com domain-matches .c.com, but not the reverse. TFrr rr N)rLrrfindru)ABirrr domain_matchs  rcCst|rdSdS)zdReturn True if text is a sort-of-like a host domain name. For accepting/blocking domains. FTrrrrrliberal_is_HDNFs rcCs`|}|}t|r t|s0||kr,dSdS|d}|rL||rLdS|s\||kr\dSdS)z\For blocking/accepting domains. A and B may be host domain names or IP addresses. TFr)rLrrur)rr initial_dotrrruser_domain_matchPs  rz:\d+$cCsB|}tj|d}|dkr,|dd}td|d}|S)zReturn request-host, as defined by RFC 2965. Variation from RFC: returned value is lowercased, for convenient comparison. r rYZHost) get_full_urlurllibparseurlparseZ get_header cut_port_rer`rL)requesturlhostrrr request_hostes  rcCs4t|}}|ddkr,t|s,|d}||fS)zzReturn a tuple (request-host, effective request-host name). As defined by RFC 2965, except both are lowercased. rr.local)rfindrrA)rerhnreq_hostrrreff_request_hostus rcCs4|}tj|}t|j}|ds0d|}|S)z6Path component of request-URI, as defined by RFC 2965./)rrrurlsplit escape_pathrru)rrpartsrrrr request_paths    rcCs^|j}|d}|dkrV||dd}z t|WqZtyRtd|YdS0nt}|S)N:r r znonnumeric port: '%s')rrrBrMrDEFAULT_HTTP_PORT)rrrrrrr request_ports     rz%/;:@&=+$,!~*'()z%([0-9a-fA-F][0-9a-fA-F])cCsd|dS)Nz%%%sr )rCrQ)rjrrruppercase_escaped_charsrcCstj|t}tt|}|S)zEEscape any invalid characters in HTTP URL, and uppercase all escapes.)rrquoteHTTP_PATH_SAFEESCAPED_CHAR_REr`r)rrrrrs  rcCsP|d}|dkrL||dd}|d}t|rL|dksD|dkrLd|S|S)aBReturn reach of host h, as defined by RFC 2965, section 1. The reach R of a host name H is defined as follows: * If - H is the host domain name of a host; and, - H has the form A.B; and - A has no embedded (that is, interior) dots; and - B has at least one embedded dot, or B is the string "local". then the reach of H is .B. * Otherwise, the reach of H is H. >>> reach("www.acme.com") '.acme.com' >>> reach("acme.com") 'acme.com' >>> reach("acme.local") '.local' rr r Nlocal)rr)hrbrrrreachs  rcCs$t|}t|t|jsdSdSdS)z RFC 2965, section 3.3.6: An unverifiable transaction is to a third-party host if its request- host U does not domain-match the reach R of the request-host O in the origin transaction. TFN)rrrZorigin_req_host)rrrrris_third_partys rc@sNeZdZdZdddZddZddd Zd d Zdd d ZddZ ddZ dS)raHTTP Cookie. This class represents both Netscape and RFC 2965 cookies. This is deliberately a very simple class. It just holds attributes. It's possible to construct Cookie instances that don't comply with the cookie standards. CookieJar.make_cookies is the factory function for Cookie objects -- it deals with cookie parsing, supplying defaults, and normalising to the representation used in this class. CookiePolicy is responsible for checking them to see whether they should be accepted from and returned to the server. Note that the port may be present in the headers, but unspecified ("Port" rather than"Port=80", for example); if this is the case, port is None. FcCs|durt|}| dur$tt| } |dur<|dur)rrrr{rz)rplimitZ namevaluerrr__str__)s  zCookie.__str__cCslg}dD]$}t||}|d|t|fq|dt|j|dt|jd|jjd|fS)N)rrzr{rrrrrrrrrrrrrzrest=%sz rfc2109=%sz%s(%s)r)getattrrtreprrr __class____name__r)rrrzrrrr__repr__3s zCookie.__repr__)F)N)N) r __module__ __qualname____doc__rrrrrrrrrrrrs *   rc@s0eZdZdZddZddZddZdd Zd S) ra Defines which cookies get accepted from and returned to server. May also modify cookies, though this is probably a bad idea. The subclass DefaultCookiePolicy defines the standard rules for Netscape and RFC 2965 cookies -- override that if you want a customized policy. cCs tdS)zReturn true if (and only if) cookie should be accepted from server. Currently, pre-expired cookies never get this far -- the CookieJar class deletes such cookies itself. NNotImplementedErrorrcookierrrrset_okKszCookiePolicy.set_okcCs tdS)zAReturn true if (and only if) cookie should be returned to server.Nrrrrr return_okTszCookiePolicy.return_okcCsdS)zMReturn false if cookies should not be returned, given cookie domain. Tr)rrrrrrdomain_return_okXszCookiePolicy.domain_return_okcCsdS)zKReturn false if cookies should not be returned, given cookie path. Tr)rrrrrrpath_return_ok]szCookiePolicy.path_return_okN)rrrrrrrrrrrrrBs  rc @seZdZdZdZdZdZdZeeBZdddddddddeddd f d d Z d d Z ddZ ddZ ddZ ddZddZddZddZddZddZd d!Zd"d#Zd$d%Zd&d'Zd(d)Zd*d+Zd,d-Zd.d/Zd0d1Zd2d3Zd4d5Zd6d7ZdS)8rzBImplements the standard rules for accepting and returning cookies.r rrWr NTF)httpswsscCsv||_||_||_||_||_||_| |_| |_| |_| |_ | |_ |durVt ||_ nd|_ |durlt |}||_ dS)zAConstructor arguments should be passed as keyword arguments only.Nr)netscaperfc2965rfc2109_as_netscape hide_cookie2 strict_domainstrict_rfc2965_unverifiablestrict_ns_unverifiablestrict_ns_domainstrict_ns_set_initial_dollarstrict_ns_set_pathsecure_protocolstuple_blocked_domains_allowed_domains)rblocked_domainsallowed_domainsrrrrrrrrrrrrrrrms" zDefaultCookiePolicy.__init__cCs|jS)z4Return the sequence of blocked domains (as a tuple).)rrrrrrsz#DefaultCookiePolicy.blocked_domainscCst||_dS)z$Set the sequence of blocked domains.N)rr)rrrrrset_blocked_domainssz'DefaultCookiePolicy.set_blocked_domainscCs |jD]}t||rdSqdSr)rr)rrZblocked_domainrrr is_blockeds  zDefaultCookiePolicy.is_blockedcCs|jS)z=Return None, or the sequence of allowed domains (as a tuple).)rr rrrr sz#DefaultCookiePolicy.allowed_domainscCs|durt|}||_dS)z-Set the sequence of allowed domains, or None.N)rr)rr rrrset_allowed_domainssz'DefaultCookiePolicy.set_allowed_domainscCs.|jdurdS|jD]}t||rdSqdS)NFT)rr)rrZallowed_domainrrris_not_alloweds    z"DefaultCookiePolicy.is_not_allowedcCs@td|j|jdD]&}d|}t||}|||sdSqdS)z If you override .set_ok(), be sure to call this method. 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N)rrosfspathfilenamerf delayload)rrrrMrrrrs   zFileCookieJar.__init__cCs tdS)zSave cookies to a file.Nr)rrignore_discardignore_expiresrrrsaveszFileCookieJar.savecCs^|dur"|jdur|j}nttt| }|||||Wdn1sP0YdS)zLoad cookies from a file.N)rrMMISSING_FILENAME_TEXTopen _really_loadrrrrrrrrloads  zFileCookieJar.loadcCs|dur"|jdur|j}ntt|jzNt|j}i|_z||||Wnt yl||_Yn0W|j n |j 0dS)zClear all cookies and reload cookies from a saved file. Raises LoadError (or OSError) if reversion is not successful; the object's state will not be altered if this happens. N) rrMrrJr\rdeepcopyrKrOSErrorr])rrrrZ old_staterrrrevert s    zFileCookieJar.revert)NFN)NFF)NFF)NFF)rrrrrrrrrrrrrs  rcCs |j|jfd|jfd|jfg}|jdur8|d|jf|jrH|d|jrX|d|jrh|d|j rx|d|j r|d t t |j f|j r|d |jr|d |jf|jr|d |jft|j}|D]}||t|j|fq|d t|jft|gS)zReturn string representation of Cookie in the LWP cookie file format. 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Additional methods as_lwp_str(ignore_discard=True, ignore_expired=True) TcCsTt}g}|D]2}|s |jr q|s0||r0q|dt|qd|dgS)zReturn cookies as a string of "\n"-separated "Set-Cookie3" headers. ignore_discard and ignore_expires: see docstring for FileCookieJar.save zSet-Cookie3: %s rY)rNrrrtrr)rrrrr}rrrr as_lwp_strMs zLWPCookieJar.as_lwp_strNFcCsl|dur"|jdur|j}nttt|d,}|d||||Wdn1s^0YdS)Nwz#LWP-Cookies-2.0 )rrMrrwriterrrrrr]s   zLWPCookieJar.savecCs,|}|j|s$d|}t|t}d}d} d} z|} | dkrPq| |s\q<| t|d} t| gD]f} | d\} }i}i}| D] }d||<q| ddD]n\}}|dur| }nd}|| vs|| vr|}|| vr|durd }|||<q|| vr|||<q|||<q|j }|d }|d }|durJt |}|durXd }|d }|d }t |d| ||d|d|||d|d|d|d|||d|d|}|s|j rqz|s||rqz||qzqtyYn*ty&ttd|| fYn0dS)Nz5%r does not look like a Set-Cookie3 (LWP) format filez Set-Cookie3:)rrrrr)rrrrrrr_rYr Fr Trrrrrrrrrrrrr_z&invalid Set-Cookie3 format file %r: %r)readlinerrArrNrur'rr|rLrrgrrrrsrror)rrrrrmagicrrheaderrbrclinedatarzr{rdrrrrrrrrrrurrrris                    zLWPCookieJar._really_load)TT)NFF)rrrrrrrrrrrr@s  rc@s0eZdZdZedZdZddZd dd Z dS) ra WARNING: you may want to backup your browser's cookies file if you use this class to save cookies. I *think* it works, but there have been bugs in the past! This class differs from CookieJar only in the format it uses to save and load cookies to and from a file. This class uses the Mozilla/Netscape `cookies.txt' format. lynx uses this file format, too. Don't expect cookies saved while the browser is running to be noticed by the browser (in fact, Mozilla on unix will overwrite your saved cookies if you change them on disk while it's running; on Windows, you probably can't save at all while the browser is running). Note that the Mozilla/Netscape format will downgrade RFC2965 cookies to Netscape cookies on saving. In particular, the cookie version and port number information is lost, together with information about whether or not Path, Port and Discard were specified by the Set-Cookie2 (or Set-Cookie) header, and whether or not the domain as set in the HTTP header started with a dot (yes, I'm aware some domains in Netscape files start with a dot and some don't -- trust me, you really don't want to know any more about this). Note that though Mozilla and Netscape use the same format, they use slightly different headers. The class saves cookies using the Netscape header by default (Mozilla can cope with that). z#( Netscape)? HTTP Cookie Filezr# Netscape HTTP Cookie File # http://curl.haxx.se/rfc/cookie_spec.html # This is a generated file! Do not edit. cCs^t}|}|j|s(td|z|}|dkr>q|drT|dd}|ds*|dkrpq*|d\}} } } } } }| dk} | dk} | dkr|} d}|d}d }| dkrd} d }t d | |dd || || d | | |ddi}|s|j rq*|s | |r q*| |q*Wn>t y0Yn*tyXttd ||fYn0dS) Nz4%r does not look like a Netscape format cookies filerYrr)#r TRUErFTr z+invalid Netscape format cookies file %r: %r)rNrrrArrrrurrrrrsrror)rrrrrrrrrrrrrrzr{rrrurrrrsf     zMozillaCookieJar._really_loadNFc Cs|dur"|jdur|j}nttt|d}||jt}|D]}|sV|jrVqF|sf||rfqF|j rrd}nd}|j drd}nd}|j durt |j } nd} |jdurd} |j} n |j} |j} |d|j ||j|| | | gdqFWdn1s0YdS)NrrFALSErrYrr)rrMrrrrrNrrrrrurr-r{rzrr) rrrrrrrrrrrzr{rrrr s<       zMozillaCookieJar.save)NFF) rrrrrvr~rrrrrrrrrs  Ar)N)N)Xr__all__rrr.rvrN urllib.parserZurllib.request threadingrHZ http.clienthttpZcalendarr r r rr-clientZ HTTP_PORTrrrr&r-r7r8rJr)rtrLr6r9r?r~rr@rGrVr[Ir_Xrardrergrmrorprrrqr|rrrrrrrrrrrrrrrrrrrrrrrr=r@rDrrrrrrrrrrrs    8  8 !    U D'    #b!b7x