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„ ƒ YZ d S( s< robotparser.py
Copyright (C) 2000 Bastian Kleineidam
You can choose between two licenses when using this package:
1) GNU GPLv2
2) PSF license for Python 2.2
The robots.txt Exclusion Protocol is implemented as specified in
http://info.webcrawler.com/mak/projects/robots/norobots-rfc.html
iÿÿÿÿNt RobotFileParserc B sb e Z d Z d d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z
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„ Z RS( ss This class provides a set of methods to read, parse and answer
questions about a single robots.txt file.
t c C s> g | _ d | _ t | _ t | _ | i | ƒ d | _ d S( Ni ( t entriest Nonet
default_entryt Falset disallow_allt allow_allt set_urlt last_checked( t selft url( ( s# /usr/lib64/python2.6/robotparser.pyt __init__ s
c C s | i S( s· Returns the time the robots.txt file was last fetched.
This is useful for long-running web spiders that need to
check for new robots.txt files periodically.
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( ( s# /usr/lib64/python2.6/robotparser.pyt mtime s c C s d d k } | i ƒ | _ d S( sY Sets the time the robots.txt file was last fetched to the
current time.
iÿÿÿÿN( t timeR ( R
R ( ( s# /usr/lib64/python2.6/robotparser.pyt modified) s c C s/ | | _ t i | ƒ d d !\ | _ | _ d S( s, Sets the URL referring to a robots.txt file.i i N( R t urlparset hostt path( R
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t | _ n) | i d j o | o | i | ƒ n d S( s4 Reads the robots.txt URL and feeds it to the parser.i‘ i“ i iÈ N( i‘ i“ (
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c C sa | i d ƒ d i ƒ } xA | i D]6 } | d j o t S| i ƒ } | | j o t Sq# Wt S( s2 check if this entry applies to the specified agentR5 i R ( R+ R- R! R R ( R
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R c B s# e Z d „ Z d „ Z d „ Z RS( c G s t i i | | Œ d | _ d S( NiÈ ( R. t FancyURLopenerR R ( R
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