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S )wa HTTP 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 LoadErrorMozillaCookieJar N)timegmFc G s( t sd S ts dd l}|datj | S )Nr zhttp.cookiejar)debugloggerloggingZ getLogger)argsr
r &/usr/lib64/python3.8/http/cookiejar.py_debug, s
r zQa filename was not supplied (nor was the CookieJar instance initialised with one)c C sJ dd l } dd l}dd l}| }|d | | }|jd| dd d S )Nr zhttp.cookiejar bug!
%s )
stacklevel)iowarnings tracebackStringIO print_excgetvaluewarn)r r r fmsgr r r _warn_unhandled_exception: s
r i c C s | d d \}}}}}}|t krd| kr4dkrn nhd| krLdkrn nPd| krddkrn n8d| kr|dkrn n d| krdkrn nt| S d S d S ) N r ; = )
EPOCH_YEARr
)ttyearmonthZmdayhourminsecr r r _timegmI s& 8
r, ZMonZTueZWedZThuZFriZSatZSunZJanZFebZMarZAprZMayZJunZJulZAugZSepZOctZNovZDecc C s@ | dkrt j }n t j | }d|j|j|j|j|j|jf S )aH Return 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) minutesecondtZdtr r r time2isozW s r5 c C sR | dkrt j }n t j | }dt| |jt|jd |j|j |j
|j f S )zReturn 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 this:
Wed, DD-Mon-YYYY HH:MM:SS GMT
Nz#%s, %02d-%s-%04d %02d:%02d:%02d GMTr ) r- r. r/ DAYSZweekdayr0 MONTHSr( r' r) r1 r2 r3 r r r
time2netscapej s
r8 )ZGMTUTCZUTZz^([-+])?(\d\d?):?(\d\d)?$c C sj d }| t krd}nTt| }|rfdt|d }|drR|dt|d }|ddkrf| }|S )Nr i r < r -) UTC_ZONES TIMEZONE_REsearchintgroup)tzoffsetmr r r offset_from_tz_string s
rF c
C s t |}|tjkrd S zt| d }W n^ tk
r z t |}W n tk
r` Y Y d S X d| krvdkrn n|}nY d S Y nX |d krd}|d krd}|d krd}t | } t |}t |}t |}|dk r6tt d }|d } |}
|| | }| |
} t | dkr6| dkr.|d }n|d }t
||| ||||f} | d k r|d krdd}| }t |} | d krd S | | } | S )Nr r r i d 2 r9 )
rA r- ZMAXYEAR MONTHS_LOWERindexlower
ValueErrortime localtimeabsr, upperrF )
r0 monyrhrr* r+ rC ZimonZcur_yrrE Ztmpr4 rD r r r _str2time sV
rT zV^[SMTWF][a-z][a-z], (\d\d) ([JFMASOND][a-z][a-z]) (\d\d\d\d) (\d\d):(\d\d):(\d\d) GMT$z+^(?:Sun|Mon|Tue|Wed|Thu|Fri|Sat)[a-z]*,?\s*a ^
(\d\d?) # day
(?:\s+|[-\/])
(\w+) # month
(?:\s+|[-\/])
(\d+) # year
(?:
(?:\s+|:) # separator before clock
(\d\d?):(\d\d) # hour:min
(?::(\d\d))? # optional seconds
)? # optional clock
\s*
(?:
([-+]?\d{2,4}|(?![APap][Mm]\b)[A-Za-z]+) # timezone
\s*
)?
(?:
\(\w+\) # ASCII representation of timezone in parens.
\s*
)?$c C s t | }|rl| }t|d d }t|d |t|d t|d t|d t|d f}t|S | } t
d| d} dgd \}}}}}} }
t | }|dk r| \}}}}}} }
ndS t
|||||| |
S )
a Returns time in seconds since epoch of time represented by a string.
Return value is an integer.
None is returned if the format of str is unrecognized, the time is outside
the representable range, or the timezone string is not recognized. If the
string contains no timezone, UTC is assumed.
The timezone in the string may be numerical (like "-0800" or "+0100") or a
string timezone (like "UTC", "GMT", "BST" or "EST"). Currently, only the
timezone strings equivalent to UTC (zero offset) are known to the function.
The function loosely parses the following formats:
Wed, 09 Feb 1994 22:23:32 GMT -- HTTP format
Tuesday, 08-Feb-94 14:15:29 GMT -- old rfc850 HTTP format
Tuesday, 08-Feb-1994 14:15:29 GMT -- broken rfc850 HTTP format
09 Feb 1994 22:23:32 GMT -- HTTP format (no weekday)
08-Feb-94 14:15:29 GMT -- rfc850 format (no weekday)
08-Feb-1994 14:15:29 GMT -- broken rfc850 format (no weekday)
The parser ignores leading and trailing whitespace. The time may be
absent.
If the year is given with only 2 digits, the function will select the
century that makes the year closest to the current date.
r r r r; N )STRICT_DATE_REr@ groupsrI rJ rK rA floatr, lstrip
WEEKDAY_REsubLOOSE_HTTP_DATE_RErT ) textrE grQ r& r0 rR rS r* r+ rC r r r http2time s$
rb a ^
(\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*
)?$c
C sd | } dgd \}}}}}}}t| }|dk rL| \}}}}}}}} ndS t|||||||S )av
As for http2time, but parses the ISO 8601 formats:
1994-02-03 14:15:29 -0100 -- ISO 8601 format
1994-02-03 14:15:29 -- zone is optional
1994-02-03 -- only date
1994-02-03T14:15:29 -- Use T as separator
19940203T141529Z -- ISO 8601 compact format
19940203 -- only date
NrX )r\ ISO_DATE_REr@ rZ rT )
r` r0 rQ rR rS r* r+ rC rE _r r r iso2time+ s
re c C s* | d\}}| jd| | j|d S )z)Return unmatched part of re.Match object.r N)spanstring)matchstartendr r r unmatchedL s rk z^\s*([^=\s;,]+)z&^\s*=\s*\"([^\"\\]*(?:\\.[^\"\\]*)*)\"z^\s*=\s*([^\s;,]*)z\\(.)c
C s0 t | trtg }| D ]}|}g }|r t|}|rt|}|d}t|}|rxt|}|d}t d|}n.t
|}|rt|}|d}| }nd}| ||f q$|
dr|
dd }|r| | g }q$tdd|\}} | dkstd|||f |}q$|r| | q|S ) am Parse 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;]*rW r z&split_header_words bug: '%s', '%s', %s)
isinstancestrAssertionErrorHEADER_TOKEN_REr@ rk rB HEADER_QUOTED_VALUE_REHEADER_ESCAPE_REr^ HEADER_VALUE_RErstripappendr\
startswithresubn)
Z
header_valuesresultr` Z orig_textpairsrE namevalueZnon_junkZ
nr_junk_charsr r r split_header_wordsU sJ -
r} ([\"\\])c C s| g }| D ]h}g }|D ]F\}}|dk rPt d|sDtd|}d| }d||f }|| q|r|d| qd|S )a Do 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+$\\\1z"%s"%s=%s; , )rw r@ HEADER_JOIN_ESCAPE_REr^ ru join)Zlistsheadersrz attrkvr r r join_header_words s r c C s0 | dr| dd } | dr,| d d } | S )N"r )rv endswithr` r r r strip_quotes s
r c C s d}g }| D ]}g }d}t |dD ]\}}| }|d\}} }
| }|sb|dkr& qnq&| rn|
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d}n |d kr|
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|||
f q&|r |s|d
|| q |S ) a5 Ad-hoc parser for Netscape protocol cookie-attributes.
The old Netscape cookie format for Set-Cookie can for instance contain
an unquoted "," in the expires field, so we have to use this ad-hoc
parser instead of split_header_words.
XXX This may not make the best possible effort to parse all the crap
that Netscape Cookie headers contain. Ronald Tschalar's HTTPClient
parser is probably better, so could do worse than following that if
this ever gives any trouble.
Currently, this is also used for parsing RFC 2109 cookies.
)expiresdomainpathsecureversionportmax-ageF;=r Nr Tr )r 0) enumeratesplitstrip partitionrK r rb ru ) Z
ns_headersZ known_attrsry Z ns_headerrz version_setZiiZparamkeysepvallcr r r parse_ns_headers s>
r z\.\d+$c C s: t | rdS | dkrdS | d dks2| d dkr6dS dS )z*Return True if text is a host domain name.FrW r .r TIPV4_REr@ r r r r is_HDN s
r c C sl | } | }| |kr dS t| s(dS | |}|dksB|dkrFdS |dsTdS t|dd shdS dS )a Return 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.
TFr r r r N)rK r rfindrv )ABir r r domain_match s
r c C s t | rdS dS )zdReturn True if text is a sort-of-like a host domain name.
For accepting/blocking domains.
FTr r r r r liberal_is_HDNF s
r c C s` | } | }t| r t|s0| |kr,dS dS |d}|rL| |rLdS |s\| |kr\dS dS )z\For blocking/accepting domains.
A and B may be host domain names or IP addresses.
TFr )rK r rv r )r r initial_dotr r r user_domain_matchP s
r z:\d+$c C sB | }tj|d }|dkr,| dd}td|d}| S )zReturn request-host, as defined by RFC 2965.
Variation from RFC: returned value is lowercased, for convenient
comparison.
r rW ZHost) get_full_urlurllibparseZurlparseZ
get_header cut_port_rer^ rK )requesturlhostr r r request_hoste s r c C s4 t | }}|ddkr,t|s,|d }||fS )zzReturn a tuple (request-host, effective request-host name).
As defined by RFC 2965, except both are lowercased.
r r .local)r findr r@ )r erhnreq_hostr r r eff_request_hostu s r c C s4 | }tj|}t|j}|ds0d| }|S )z6Path component of request-URI, as defined by RFC 2965./)r r r Zurlsplit escape_pathr rv )r r partsr r r r request_path s
r c C s` | j }|d}|dkrX||d d }z t| W q\ tk
rT td| Y d S X nt}|S )N:r r znonnumeric port: '%s')r r rA rL r DEFAULT_HTTP_PORT)r r r r r r r request_port s
r z%/;:@&=+$,!~*'()z%([0-9a-fA-F][0-9a-fA-F])c C s d| d S )Nz%%%sr )rB rP )rh r r r uppercase_escaped_char s r c C s t j| t} tt| } | S )zEEscape any invalid characters in HTTP URL, and uppercase all escapes.)r r ZquoteHTTP_PATH_SAFEESCAPED_CHAR_REr^ r )r r r r r s
r c C sP | d}|dkrL| |d d }| d}t| rL|dksD|dkrLd| S | S )aB Return 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'
r r r NZlocal)r r )hr br r r reach s
r c C s$ t | }t|t| js dS dS dS )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)r r r Zorigin_req_host)r r r r r is_third_party s
r c @ sN e Zd ZdZdddZdd Zddd Zd
d Zdd d
Zdd Z dd Z
dS )r a HTTP 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.
Fc C s |d k rt |}| d k r$t t| } |d kr<|dkr)r r r r| r{ )r plimitZ namevaluer r r __str__) s
zCookie.__str__c C sl g }dD ]$}t | |}|d|t|f q|dt| j |dt| j d| jjd|f S )N)r r{ r| r r r r r r r r r r r r r zrest=%sz
rfc2109=%sz%s(%s)r )getattrru reprr r __class____name__r )r r r{ r r r r __repr__3 s
zCookie.__repr__)F)N)N) r
__module__ __qualname____doc__r r r r r r r r r r r r s
*
c @ s0 e Zd ZdZdd Zdd Zdd Zdd Zd
S ) r a 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.
c C s
t dS )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.
NNotImplementedErrorr cookier r r r set_okK s zCookiePolicy.set_okc C s
t dS )zAReturn true if (and only if) cookie should be returned to server.Nr r r r r return_okT s zCookiePolicy.return_okc C s dS )zMReturn false if cookies should not be returned, given cookie domain.
Tr )r r r r r r domain_return_okX s z CookiePolicy.domain_return_okc C s dS )zKReturn false if cookies should not be returned, given cookie path.
Tr )r r r r r r path_return_ok] s zCookiePolicy.path_return_okN)r r r r r r r r r r r r r B s
c
@ s e Zd ZdZdZdZdZdZeeB Zdddddddddeddd f
d
d Z d d
Z
dd Z dd Z dd Z
dd Zdd Zdd Zdd Zd d Zd d Zd d! Zd"d# Zd$d% Zd&d' Zd(d) Zd*d+ Zd,d- Zd.d/ Zd0d1 Z d2d3 Z d4d5 Z d6d7 Z dS )8r zBImplements the standard rules for accepting and returning cookies.r r rU r NTF)ZhttpsZwssc C sv || _ || _|| _|| _|| _|| _| | _|
| _| | _| | _ |
| _
|dk rVt || _ nd| _ |dk rlt |}|| _
dS )zAConstructor arguments should be passed as keyword arguments only.Nr )netscaperfc2965rfc2109_as_netscape hide_cookie2
strict_domainstrict_rfc2965_unverifiablestrict_ns_unverifiablestrict_ns_domain strict_ns_set_initial_dollarstrict_ns_set_pathsecure_protocolstuple_blocked_domains_allowed_domains)r blocked_domainsallowed_domainsr r r r r r r r r r r r r r r m s" z DefaultCookiePolicy.__init__c C s | j S )z4Return the sequence of blocked domains (as a tuple).)r r r r r r s z#DefaultCookiePolicy.blocked_domainsc C s t || _dS )z$Set the sequence of blocked domains.N)r r )r r r r r set_blocked_domains s z'DefaultCookiePolicy.set_blocked_domainsc C s | j D ]}t||r dS qdS r )r r )r r Zblocked_domainr r r
is_blocked s
z DefaultCookiePolicy.is_blockedc C s | j S )z=Return None, or the sequence of allowed domains (as a tuple).)r r r r r r s z#DefaultCookiePolicy.allowed_domainsc C s |dk rt |}|| _dS )z-Set the sequence of allowed domains, or None.N)r r )r r r r r set_allowed_domains s z'DefaultCookiePolicy.set_allowed_domainsc C s. | j d krdS | j D ]}t||r dS qdS )NFT)r r )r r Zallowed_domainr r r is_not_allowed s
z"DefaultCookiePolicy.is_not_allowedc C sN t d|j|j |jdk s tdD ]&}d| }t| |}|||s" dS q"dS )z
If you override .set_ok(), be sure to call this method. If it returns
false, so should your subclass (assuming your subclass wants to be more
strict about which cookies to accept).
- checking cookie %s=%sN)r
verifiabilityr{ r r r Zset_ok_FT)r r{ r| ro r r r r nZfn_namefnr r r r s
zDefaultCookiePolicy.set_okc C sZ |j d kr td|j|j dS |j dkr:| js:td dS |j dkrV| jsVtd dS dS )Nz0 Set-Cookie2 without version attribute (%s=%s)Fr $ RFC 2965 cookies are switched off$ Netscape cookies are switched offT)r r r{ r| r r r r r r set_ok_version s
z"DefaultCookiePolicy.set_ok_versionc C sJ |j rFt|rF|jdkr*| jr*td dS |jdkrF| jrFtd dS dS Nr z> third-party RFC 2965 cookie during unverifiable transactionFz> third-party Netscape cookie during unverifiable transactionTZ unverifiabler r r r r r r r r set_ok_verifiability s z(DefaultCookiePolicy.set_ok_verifiabilityc C s0 |j dkr,| jr,|jdr,td|j dS dS )Nr $z' illegal name (starts with '$'): '%s'FT)r r r{ rv r r r r r set_ok_name s
z DefaultCookiePolicy.set_ok_namec C sL |j rHt|}|jdks(|jdkrH| jrH| |j|sHtd|j| dS dS )Nr z7 path attribute %s is not a prefix of request path %sFT)r r r r r r r )r r r req_pathr r r set_ok_path s
z DefaultCookiePolicy.set_ok_pathc
C s | |jr td|j dS | |jr8td|j dS |jrt|\}}|j}| jr|ddkr|d}|dd|}|dkr||d d }||d | } | dkrt
|dkrtd | dS | dr|dd }
n|}
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z$DefaultCookiePolicy.domain_return_okc C sb t d| t|}t|}||kr&dS ||rR|dsN|||d dkrRdS t d|| dS )Nz- checking cookie path=%sTr r z %s does not path-match %sF)r r r rv r )r r r r Zpathlenr r r r s
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set_policy s zCookieJar.set_policyc C s g }| j ||sg S td| | j| }| D ]T}| j ||sFq2|| }| D ].}| j ||srtd qVtd || qVq2|S )Nz!Checking %s for cookies to returnz not returning cookiez it's a match) r< r r r@ r1 r r8 r ru )r r r cookiesZcookies_by_pathr Zcookies_by_namer r r r _cookies_for_domain s
z CookieJar._cookies_for_domainc C s* g }| j D ]}|| || q|S )z2Return a list of cookies to be returned to server.)r@ r1 extendrE )r r rD r r r r _cookies_for_request s z CookieJar._cookies_for_requestc C s< |j dd dd d}g }|D ]}|j}|sHd}|dkrH|d| |jdk rz| j|jrz|dkrz| jd |j}n|j}|jdkr||j n|d
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d }|d| |jdk r d}|jr,|d|j }|| q |S )zReturn a list of cookie-attributes to be returned to server.
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$Path="%s"r r z $Domain="%s"z$Portz="%s")sortr ru r| non_word_rer@ quote_rer^ r{ r r r rv r r r ) r rD r attrsr r r| r r r r r
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zCookieJar._cookie_attrsc C s t d | j ztt | j_| _| |}| |}|r^|
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ds|D ] }|jdkr|| dd qq|W 5 | j X | dS )zAdd correct Cookie: header to request (urllib.request.Request object).
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add_cookie_headerr r ZCookie2r z $Version="1"N)r r? acquirereleaserA rM r< r* rG rP Z
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| f q|S )a Return list of tuples containing normalised cookie information.
attrs_set is the list of lists of key,value pairs extracted from
the Set-Cookie or Set-Cookie2 headers.
Tuples are name, value, standard, rest, where name and value are the
cookie name and value, standard is a dictionary containing the standard
cookie-attributes (discard, secure, version, expires or max-age,
domain, path and port) and rest is a dictionary containing the rest of
the cookie-attributes.
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|||S )Nr r r r r r Fr r rU rW Tr r r r r z\s+z2Expiring cookie, domain='%s', path='%s', name='%s')r r: rA rL r r r r boolrv r r rw r^ r* clearKeyErrorr r )r tupr r{ r| rZ r r r r r r r r r r r r r r r r r r r r _cookie_from_cookie_tuple s
z#CookieJar._cookie_from_cookie_tuplec C s6 | |}g }|D ] }| ||}|r|| q|S r )r[ r` ru )r rV r rW rD r_ r r r r _cookies_from_attrs_set' s
z!CookieJar._cookies_from_attrs_setc C sH t | jdd }|d kr | jj }|D ] }|jdkr$d|_|r$d|_q$d S )Nr r Tr )r r< r r r )r rD Z
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zCookieJar.make_cookiesc C sN | j z2tt | j_| _| j||r:| | W 5 | j X dS )z-Set a cookie if policy says it's OK to do so.N) r? rR rS rA rM r< r* r
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zCookieJar.set_cookie_if_okc C sl | j }| j zJ|j|kr&i ||j< ||j }|j|krDi ||j< ||j }|||j< W 5 | j X dS )z?Set a cookie, without checking whether or not it should be set.N)r@ r? rR rS r r r{ )r r cZc2Zc3r r r ri s
zCookieJar.set_cookiec C sb t d| | j z8| ||D ]&}| j||r&t d| | | q&W 5 | j X dS )zAExtract cookies from response, where allowable given the request.zextract_cookies: %sz setting cookie: %sN) r r r? rR rS rh r< r ri )r rg r r r r r extract_cookies s
zCookieJar.extract_cookiesc C st |dk r2|dks|dkr t d| j| | |= n>|dk rX|dkrJt d| j| |= n|dk rj| j|= ni | _dS )a Clear some cookies.
Invoking this method without arguments will clear all cookies. If
given a single argument, only cookies belonging to that domain will be
removed. If given two arguments, cookies belonging to the specified
path within that domain are removed. If given three arguments, then
the cookie with the specified name, path and domain is removed.
Raises KeyError if no matching cookie exists.
Nz8domain and path must be given to remove a cookie by namez.domain must be given to remove cookies by path)rL r@ )r r r r{ r r r r] s
zCookieJar.clearc C sD | j z(| D ] }|jr| |j|j|j qW 5 | j X dS )zDiscard all session cookies.
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N)r? rR rS r r] r r r{ )r r r r r clear_session_cookies s
z CookieJar.clear_session_cookiesc C sP | j z4t }| D ]"}||r| |j|j|j qW 5 | j X dS )a Discard all expired cookies.
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sent back to the server (provided you're using DefaultCookiePolicy),
this method is called by CookieJar itself every so often, and the
.save() method won't save expired cookies anyway (unless you ask
otherwise by passing a true ignore_expires argument).
N) r? rR rS rM r r] r r r{ )r r r r r r rT s
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t | jS r )r6 r@ r r r r __iter__ s zCookieJar.__iter__c C s d}| D ] }|d }q|S )z#Return number of contained cookies.r r r )r r r r r r __len__ s
zCookieJar.__len__c C s2 g }| D ]}| t| qd| jjd|f S Nz<%s[%s]>r )ru r r r r r rr r r r r s zCookieJar.__repr__c C s2 g }| D ]}| t| qd| jjd|f S rp )ru rn r r r rq r r r r s zCookieJar.__str__)N)NNN)"r r r r rw compilerM rN Zstrict_domain_reZ domain_reZdots_reASCIImagic_rer rC rE rG rP rQ r[ r` ra rb rh rj ri rl r] rm rT rn ro r r r r r r r s8
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N)r r osfspathfilenamer\ delayload)r rx ry rB r r r r s
zFileCookieJar.__init__c C s
t dS )zSave cookies to a file.Nr )r rx ignore_discardignore_expiresr r r save s zFileCookieJar.savec C sJ |dkr"| j dk r| j }nttt|}| |||| W 5 Q R X dS )zLoad cookies from a file.N)rx rL MISSING_FILENAME_TEXTopen _really_loadr rx rz r{ r r r r load s
zFileCookieJar.loadc C s |dkr"| j dk r| j }ntt| j zFt| j}i | _z| ||| W n t
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rn || _ Y nX W 5 | j X dS )zClear all cookies and reload cookies from a saved file.
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object's state will not be altered if this happens.
N) rx rL r} r? rR rS r Zdeepcopyr@ r OSError)r rx rz r{ Z old_stater r r revert s
zFileCookieJar.revert)NFN)NFF)NFF)NFF)r r r r r r| r r r r r r r s
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t| jf t|gS )zReturn string representation of Cookie in the LWP cookie file format.
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r r Nr ) path_specN) port_specN)
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The LWPCookieJar saves a sequence of "Set-Cookie3" lines.
"Set-Cookie3" is the format used by the libwww-perl library, not known
to be compatible with any browser, but which is easy to read and
doesn't lose information about RFC 2965 cookies.
Additional methods
as_lwp_str(ignore_discard=True, ignore_expired=True)
Tc C sT t }g }| D ]2}|s |jr q|s0||r0q|dt| qd|dg S )zReturn cookies as a string of "\n"-separated "Set-Cookie3" headers.
ignore_discard and ignore_expires: see docstring for FileCookieJar.save
zSet-Cookie3: %s
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zLWPCookieJar.as_lwp_strNFc C sX |d kr"| j d k r| j }nttt|d"}|d || || W 5 Q R X d S )Nwz#LWP-Cookies-2.0
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zLWPCookieJar.savec C s0 | }| j|s$d| }t|t }d}d} d}
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