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| Path : /usr/lib/python/ |
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| Current File : //usr/lib/python/urllib.pyc |
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eP ZY eQ ZX dc Z\ dd Z] g de Z^ df Z_ e` dg j o e_ n d S(h s Open an arbitrary URL.
See the following document for more info on URLs:
"Names and Addresses, URIs, URLs, URNs, URCs", at
http://www.w3.org/pub/WWW/Addressing/Overview.html
See also the HTTP spec (from which the error codes are derived):
"HTTP - Hypertext Transfer Protocol", at
http://www.w3.org/pub/WWW/Protocols/
Related standards and specs:
- RFC1808: the "relative URL" spec. (authoritative status)
- RFC1738 - the "URL standard". (authoritative status)
- RFC1630 - the "URI spec". (informational status)
The object returned by URLopener().open(file) will differ per
protocol. All you know is that is has methods read(), readline(),
readlines(), fileno(), close() and info(). The read*(), fileno()
and close() methods work like those of open files.
The info() method returns a mimetools.Message object which can be
used to query various info about the object, if available.
(mimetools.Message objects are queried with the getheader() method.)
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R c B sA e Z d Z e i d Z d Z d Z d Z d Z RS( s; Class used by open_ftp() for cache of open FTP connections.c C sD | | _ | | _ | | _ | | _ | | _ | | _ | i d S( N( R R Rd R R t timeoutt init( R3 R R Rd R R R ( ( s /usr/lib/python2.6/urllib.pyR1 Z s c C s d d k } d | _ | i | _ | i i | i | i | i | i i | i | i
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R5 R6 R RZ t _GLOBAL_DEFAULT_TIMEOUTR1 R R R' RF ( ( ( s /usr/lib/python2.6/urllib.pyR W s ( t addbasec B s) e Z d Z d Z d Z d Z RS( s( Base class for addinfo and addclosehook.c C s | | _ | i i | _ | i i | _ t | i d o | i i | _ n t | i d o | i i | _ n
d | _ t | i d o9 | i i | _ t | i d o | i i | _ q n d S( Nt readlinest filenoc S s d S( N( R% ( ( ( s /usr/lib/python2.6/urllib.pyt <lambda> s t __iter__t next( R` Rr t readlineR: R5 R6 R8 R9 ( R3 R` ( ( s /usr/lib/python2.6/urllib.pyR1 s c C s d | i i t | | i f S( Ns <%s at %r whose fp = %r>( t __class__R5 t idR` ( R3 ( ( s /usr/lib/python2.6/urllib.pyt __repr__ s c C sL d | _ d | _ d | _ d | _ | i o | i i n d | _ d S( N( R% Rr R: R5 R6 R` RF ( R3 ( ( s /usr/lib/python2.6/urllib.pyRF s
( R5 R6 R R1 R= RF ( ( ( s /usr/lib/python2.6/urllib.pyR4 s R, c B s e Z d Z d Z d Z RS( s* Class to add a close hook to an open file.c G s& t i | | | | _ | | _ d S( N( R4 R1 t closehookt hookargs( R3 R` R> R? ( ( s /usr/lib/python2.6/urllib.pyR1 s c C sA t i | | i o& | i | i d | _ d | _ n d S( N( R4 RF R> R? R% ( R3 ( ( s /usr/lib/python2.6/urllib.pyRF s
( R5 R6 R R1 RF ( ( ( s /usr/lib/python2.6/urllib.pyR, s t addinfoc B s e Z d Z d Z d Z RS( s. class to add an info() method to an open file.c C s t i | | | | _ d S( N( R4 R1 R_ ( R3 R` R_ ( ( s /usr/lib/python2.6/urllib.pyR1 s c C s | i S( N( R_ ( R3 ( ( s /usr/lib/python2.6/urllib.pyRk s ( R5 R6 R R1 Rk ( ( ( s /usr/lib/python2.6/urllib.pyR@ s RT c B s5 e Z d Z d d Z d Z d Z d Z RS( s9 class to add info() and geturl() methods to an open file.c C s/ t i | | | | _ | | _ | | _ d S( N( R4 R1 R_ R( t code( R3 R` R_ R( RA ( ( s /usr/lib/python2.6/urllib.pyR1 s c C s | i S( N( R_ ( R3 ( ( s /usr/lib/python2.6/urllib.pyRk s c C s | i S( N( RA ( R3 ( ( s /usr/lib/python2.6/urllib.pyt getcode s c C s | i S( N( R( ( R3 ( ( s /usr/lib/python2.6/urllib.pyt geturl s N( R5 R6 R R% R1 Rk RB RC ( ( ( s /usr/lib/python2.6/urllib.pyRT s
c C s d S( Ni ( ( t x( ( s /usr/lib/python2.6/urllib.pyt _is_unicode s c C s
t | t S( N( R t unicode( RD ( ( s /usr/lib/python2.6/urllib.pyRE s c C sX t | oG y | i d } WqT t j
o! t d t | d qT Xn | S( s toBytes(u"URL") --> 'URL'.t ASCIIs URL s contains non-ASCII characters( RE t encodet UnicodeErrort repr( R( ( ( s /usr/lib/python2.6/urllib.pyRS s
c C sn | i } | d d j o( | d d j o | d d !i } n | d d j o | d i } n | S( s8 unwrap('<URL:type://host/path>') --> 'type://host/path'.i t <it >i s URL:( R ( R( ( ( s /usr/lib/python2.6/urllib.pyR s " c C sz t d j o d d k } | i d a n t i | } | o. | i d } | i | t | d f Sd | f S( s: splittype('type:opaquestring') --> 'type', 'opaquestring'.iNs
^([^/:]+):i ( t _typeprogR% R t compileR t groupR Rs ( R( R R R ( ( s /usr/lib/python2.6/urllib.pyR s
c C s] t d j o d d k } | i d a n t i | } | o | i d d Sd | f S( s; splithost('//host[:port]/path') --> 'host[:port]', '/path'.iNs ^//([^/?]*)(.*)$i i ( t _hostprogR% R RN R RO ( R( R R ( ( s /usr/lib/python2.6/urllib.pyR ) s
c C sf t d j o d d k } | i d a n t i | } | o t t | i d d Sd | f S( sJ splituser('user[:passwd]@host[:port]') --> 'user[:passwd]', 'host[:port]'.iNs ^(.*)@(.*)$i i ( t _userprogR% R RN R t mapR RO ( Rd R R ( ( s /usr/lib/python2.6/urllib.pyR 5 s
c C s] t d j o d d k } | i d a n t i | } | o | i d d S| d f S( s/ splitpasswd('user:passwd') -> 'user', 'passwd'.iNs ^([^:]*):(.*)$i i ( t _passwdprogR% R RN R RO ( R R R ( ( s /usr/lib/python2.6/urllib.pyR A s
c C s] t d j o d d k } | i d a n t i | } | o | i d d S| d f S( s* splitport('host:port') --> 'host', 'port'.iNs ^(.*):([0-9]+)$i i ( t _portprogR% R RN R RO ( Rd R R ( ( s /usr/lib/python2.6/urllib.pyR N s
c C s t d j o d d k } | i d a n t i | } | oc | i d d \ } } y$ | p
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d } n X| | f S| | f S( s Split host and port, returning numeric port.
Return given default port if no ':' found; defaults to -1.
Return numerical port if a valid number are found after ':'.
Return None if ':' but not a valid number.iNs ^(.*):(.*)$i i s no digits( t
_nportprogR% R RN R RO R Rq ( Rd t defportR R R t nport( ( s /usr/lib/python2.6/urllib.pyR Z s
c C s] t d j o d d k } | i d a n t i | } | o | i d d S| d f S( s/ splitquery('/path?query') --> '/path', 'query'.iNs ^(.*)\?([^?]*)$i i ( t
_queryprogR% R RN R RO ( R( R R ( ( s /usr/lib/python2.6/urllib.pyR p s
c C s] t d j o d d k } | i d a n t i | } | o | i d d S| d f S( s) splittag('/path#tag') --> '/path', 'tag'.iNs ^(.*)#([^#]*)$i i ( t _tagprogR% R RN R RO ( R( R R ( ( s /usr/lib/python2.6/urllib.pyR
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c C s! | i d } | d | d f S( sk splitattr('/path;attr1=value1;attr2=value2;...') ->
'/path', ['attr1=value1', 'attr2=value2', ...].R i i ( R ( R( t words( ( s /usr/lib/python2.6/urllib.pyR s c C s] t d j o d d k } | i d a n t i | } | o | i d d S| d f S( s- splitvalue('attr=value') --> 'attr', 'value'.iNs ^([^=]*)=(.*)$i i ( t
_valueprogR% R RN R RO ( R R R ( ( s /usr/lib/python2.6/urllib.pyR s
c c s) x" | ] } d | t | f Vq Wd S( s %02xN( t chr( t .0R ( ( s /usr/lib/python2.6/urllib.pys <genexpr> s i c c s) x" | ] } d | t | f Vq Wd S( s %02XN( R\ ( R] R ( ( s /usr/lib/python2.6/urllib.pys <genexpr> s c C s | i d } x t d t | D] } | | } y t | d | d | | <Wq% t j
o d | | | <q% t j
o, t t | d d | d | | <q% Xq% Wd i | S( s" unquote('abc%20def') -> 'abc def'.t %i i i Ri ( R t xrangeRs t _hextochrt KeyErrort UnicodeDecodeErrort unichrRq R ( t st resR t item( ( s /usr/lib/python2.6/urllib.pyR s
.c C s | i d d } t | S( s% unquote('%7e/abc+def') -> '~/abc def't +t ( RV R ( Rd ( ( s /usr/lib/python2.6/urllib.pyR s sA ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_.-R c C s | t f } y t | } Wnr t j
of | t 7} h } xB t d D]4 } t | } | | j o | p d | | | <qH W| t | <n Xt | i | } d i | S( s quote('abc def') -> 'abc%20def'
Each part of a URL, e.g. the path info, the query, etc., has a
different set of reserved characters that must be quoted.
RFC 2396 Uniform Resource Identifiers (URI): Generic Syntax lists
the following reserved characters.
reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" |
"$" | ","
Each of these characters is reserved in some component of a URL,
but not necessarily in all of them.
By default, the quote function is intended for quoting the path
section of a URL. Thus, it will not encode '/'. This character
is reserved, but in typical usage the quote function is being
called on a path where the existing slash characters are used as
reserved characters.
i s %%%02XRi ( t always_safet _safemapsRa t rangeR\ RR t __getitem__R ( Rd RN t cachekeyt safe_mapR t cRe ( ( s /usr/lib/python2.6/urllib.pyR s
&Ri c C s> d | j o$ t | | d } | i d d St | | S( s9 Quote the query fragment of a URL; replacing ' ' with '+'Rh Rg ( R RV ( Rd RN ( ( s /usr/lib/python2.6/urllib.pyR s
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| S( sv Encode a sequence of two-element tuples or dictionary into a URL query string.
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sequence element is converted to a separate parameter.
If the query arg is a sequence of two-element tuples, the order of the
parameters in the output will match the order of parameters in the
input.
t itemsi s1 not a valid non-string sequence or mapping objectR RG RV t &( R: Rp Rs R t tuplet TypeErrorR\ R] R R RK RE RH R (
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Scan the environment for variables named <scheme>_proxy;
this seems to be the standard convention. If you need a
different way, you can pass a proxies dictionary to the
[Fancy]URLopener constructor.
it _proxy( R@ t environRp R ( R# Rf R ( ( s /usr/lib/python2.6/urllib.pyt getproxies_environment s c C s t i i d d p t i i d d } | d j o d St | \ } } xC | i d D]2 } | o% | i | p | i | o d Sq_ Wd S( s Test if proxies should not be used for a particular host.
Checks the environment for a variable named no_proxy, which should
be a list of DNS suffixes separated by commas, or '*' for all hosts.
t no_proxyRi t NO_PROXYt *i R i ( R@ R| R< R R t endswith( Rd R~ t hostonlyR Rf ( ( s /usr/lib/python2.6/urllib.pyt proxy_bypass_environment, s +
' t darwin( t _get_proxy_settingst _get_proxiesc
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Return True iff this host shouldn't be accessed using a proxy
This function uses the MacOSX framework SystemConfiguration
to fetch the proxy information.
iN( t fnmatchc S s{ | i d } t t | } t | d j o | d d d d g d } n | d d >| d d >B| d d >B| d BS(
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Rd R RZ R R R R t proxy_settingst hostIPR t mt baset mask( ( s /usr/lib/python2.6/urllib.pyt proxy_bypass_macosx_sysconfC s<
c C s t S( s Return a dictionary of scheme -> proxy server URL mappings.
This function uses the MacOSX framework SystemConfiguration
to fetch the proxy information.
( R ( ( ( s /usr/lib/python2.6/urllib.pyt getproxies_macosx_sysconfz s c C s# t o t | St | Sd S( N( R} R R ( Rd ( ( s /usr/lib/python2.6/urllib.pyR s
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Win32 uses the registry to store proxies.
iNs; Software\Microsoft\Windows\CurrentVersion\Internet Settingst ProxyEnablei t ProxyServerR R i s ^([^/:]+)://s %s://%si s http:R s http://%ss ftp://%sR (
t _winregR t OpenKeyt HKEY_CURRENT_USERt QueryValueExR R R R t Closet WindowsErrorR Rs ( R# R t internetSettingst proxyEnablet proxyServert pt protocolt addressR ( ( s /usr/lib/python2.6/urllib.pyt getproxies_registry s:
c C s t p t S( s Return a dictionary of scheme -> proxy server URL mappings.
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c C s# t o t | St | Sd S( s Return a dictionary of scheme -> proxy server URL mappings.
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c C s d } x$ t d D] } | t | } q W| d } t i } t | } t | } t i } | | j o d GHn t | GHt | GHt | GHt | | d Gd GHd S( NRi i i s Wrong!i t sec( Rk R\ R R R RJ t round( Rd R t t0t qst uqst t1( ( s /usr/lib/python2.6/urllib.pyt test1 s
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GHd Sqn W| o& | d j o t n t | n2 | p d GHn x | D] } t | i Gq Wd S( Nii t ths Use -h for helpi s -ts -hs& Usage: python urllib.py [-t] [url ...]s -t runs self-test;s' otherwise, contents of urls are printed( t getoptR\ t argvR[ R R R Rr ( R R\ t optsRL Rg t tt oR R( ( ( s /usr/lib/python2.6/urllib.pyt mainG s4 #
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