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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
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"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
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( R7 R8 R� R3 RG ( ( ( s /usr/lib64/python2.7/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 j | | � | | _ d S( N( R9 R3 R` ( R5 Ra R` ( ( s /usr/lib64/python2.7/urllib.pyR3 � s c C s | j S( N( R` ( R5 ( ( s /usr/lib64/python2.7/urllib.pyRk � s ( R7 R8 R� R3 Rk ( ( ( s /usr/lib64/python2.7/urllib.pyRE � s RU 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 j | | � | | _ | | _ | | _ d S( N( R9 R3 R` R' t code( R5 Ra R` R' RF ( ( s /usr/lib64/python2.7/urllib.pyR3 � s c C s | j S( N( R` ( R5 ( ( s /usr/lib64/python2.7/urllib.pyRk � s c C s | j S( N( RF ( R5 ( ( s /usr/lib64/python2.7/urllib.pyt getcode� s c C s | j S( N( R' ( R5 ( ( s /usr/lib64/python2.7/urllib.pyt geturl� s N( R7 R8 R� R$ R3 Rk RG RH ( ( ( s /usr/lib64/python2.7/urllib.pyRU � s
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c C si | j � } | d d k rB | d d k rB | d d !j � } n | d d k re | d j � } n | S( s8 unwrap('<URL:type://host/path>') --> 'type://host/path'.i t <i����t >i s URL:( R� ( R' ( ( s /usr/lib64/python2.7/urllib.pyR ! s c C sv t d k r* d d l } | j d � a n t j | � } | rl | j d � } | j � | t | � d f Sd | f S( s: splittype('type:opaquestring') --> 'type', 'opaquestring'.i����Ns
^([^/:]+):i ( t _typeprogR$ R� t compileR� t groupR� Rs ( R' R� R� R ( ( s /usr/lib64/python2.7/urllib.pyR * s c C s� t d k r$ t j d t j � a n t j | � } | r� | j d � } | j d � } | rz | j d � rz d | } n | | f Sd | f S( s; splithost('//host[:port]/path') --> 'host[:port]', '/path'.s //([^/#?]*)(.*)i i R� N( t _hostprogR$ R� RS t DOTALLR� RT R� ( R' R� t host_portRm ( ( s /usr/lib64/python2.7/urllib.pyR 8 s
c C sY t d k r* d d l } | j d � a n t j | � } | rO | j d d � Sd | f S( sJ splituser('user[:passwd]@host[:port]') --> 'user[:passwd]', 'host[:port]'.i����Ns ^(.*)@(.*)$i i ( t _userprogR$ R� RS R� RT ( Re R� R� ( ( s /usr/lib64/python2.7/urllib.pyR H s c C s_ t d k r0 d d l } | j d | j � a n t j | � } | rU | j d d � S| d f S( s/ splitpasswd('user:passwd') -> 'user', 'passwd'.i����Ns ^([^:]*):(.*)$i i ( t _passwdprogR$ R� RS t SR� RT ( R� R� R� ( ( s /usr/lib64/python2.7/urllib.pyR T s c C sY t d k r* d d l } | j d � a n t j | � } | rO | j d d � S| d f S( s* splitport('host:port') --> 'host', 'port'.i����Ns ^(.*):([0-9]+)$i i ( t _portprogR$ R� RS R� RT ( Re R� R� ( ( s /usr/lib64/python2.7/urllib.pyR a s c C s� t d k r* d d l } | j d � a n t j | � } | r� | j d d � \ } } y" | sl t d � n t | � } Wn t k
r� d } n X| | f S| | f S( s� Split host and port, returning numeric port.
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r=| d � | | � q� Xq� Wd j | � S( s" unquote('abc%20def') -> 'abc def'.t %i i i t latin1Rj ( RJ t _asciireR� RK t rangeRs R R� t decodeR� t _hextochrt KeyError( t st bitst resRK R� t item( ( s /usr/lib64/python2.7/urllib.pyR � s.
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t | | � � S( s quote('abc def') -> 'abc%20def'
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RFC 2396 Uniform Resource Identifiers (URI): Generic Syntax lists
the following reserved characters.
reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" |
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but not necessarily in all of them.
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s None object cannot be quotedRj N( R$ t TypeErrort always_safeR. Rn t _safe_mapt copyt updatet __getitem__t rstripR� t map( Ro RN t cachekeyt quotert safe_mapt c( ( s /usr/lib64/python2.7/urllib.pyR � s
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t itemsi s1 not a valid non-string sequence or mapping objectR� RL RW t &( R< R� Rs R� t tupleRu R] R^ R R� RK RJ RM R� ( t queryt doseqt tyt vat tbt lR� R� t elt( ( s /usr/lib64/python2.7/urllib.pyR
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i����t _proxyt REQUEST_METHODR� N( RB t environR� R� t popR$ ( R" Rg R� ( ( s /usr/lib64/python2.7/urllib.pyt getproxies_environmentL s
c C s� t j j d d � p' t j j d d � } | d k r: d St | � \ } } g | j d � D] } | j � ^ q\ } x6 | D]. } | r{ | j | � s� | j | � r{ d Sq{ Wd S( s� Test if proxies should not be used for a particular host.
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