mirror of
https://github.com/Hopiu/linkchecker.git
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ca081c2168
git-svn-id: https://linkchecker.svn.sourceforge.net/svnroot/linkchecker/trunk/linkchecker@1304 e7d03fd6-7b0d-0410-9947-9c21f3af8025
148 lines
4.9 KiB
Python
148 lines
4.9 KiB
Python
# -*- coding: iso-8859-1 -*-
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"""Handle local file: links"""
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# Copyright (C) 2000-2004 Bastian Kleineidam
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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import re, os, urlparse
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from linkcheck import extensions
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from UrlData import UrlData, ExcList
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# OSError is thrown on Windows when a file is not found
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ExcList.append(OSError)
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# if file extension was fruitless, look at the content
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contents = {
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"html": re.compile(r'(?i)<html>.*</html>'),
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"opera" : re.compile(r'Opera Hotlist'),
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# "text" : re.compile(r'[\w\s]+'),
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}
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_schemes = r"""(
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acap # application configuration access protocol
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|afs # Andrew File System global file names
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|cid # content identifier
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|data # data
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|dav # dav
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|fax # fax
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|imap # internet message access protocol
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|ldap # Lightweight Directory Access Protocol
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|mailserver # Access to data available from mail servers
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|mid # message identifier
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|modem # modem
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|nfs # network file system protocol
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|opaquelocktoken # opaquelocktoken
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|pop # Post Office Protocol v3
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|prospero # Prospero Directory Service
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|rtsp # real time streaming protocol
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|service # service location
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|sip # session initiation protocol
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|tel # telephone
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|tip # Transaction Internet Protocol
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|tn3270 # Interactive 3270 emulation sessions
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|vemmi # versatile multimedia interface
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|wais # Wide Area Information Servers
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|z39\.50r # Z39.50 Retrieval
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|z39\.50s # Z39.50 Session
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|chrome # Mozilla specific
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|find # Mozilla specific
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|clsid # Microsoft specific
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|javascript # JavaScript
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|isbn # ISBN (int. book numbers)
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|https? # HTTP/HTTPS
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|ftp # FTP
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|file # local file
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|telnet # telnet
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|mailto # mailto
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|gopher # gopher
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|s?news # news
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|nntp # news
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)"""
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class FileUrlData (UrlData):
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"Url link with file scheme"
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def __init__ (self,
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urlName,
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config,
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recursionLevel,
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parentName = None,
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baseRef = None, line=0, column=0, name=""):
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super(FileUrlData, self).__init__(urlName, config, recursionLevel,
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parentName=parentName, baseRef=baseRef,
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line=line, column=column, name=name)
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if not (parentName or baseRef or self.urlName.startswith("file:")):
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self.urlName = os.path.expanduser(self.urlName)
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if not self.urlName.startswith("/"):
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self.urlName = os.getcwd()+"/"+self.urlName
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self.urlName = "file://"+self.urlName
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self.urlName = self.urlName.replace("\\", "/")
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# transform c:/windows into /c|/windows
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self.urlName = re.sub(r"^file://(/?)([a-zA-Z]):", r"file:///\2|",
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self.urlName)
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def buildUrl (self):
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super(FileUrlData, self).buildUrl()
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# ignore query and fragment url parts for filesystem urls
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self.urlparts[3] = self.urlparts[4] = ''
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self.url = urlparse.urlunsplit(self.urlparts)
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def getCacheKeys (self):
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# the host in urlparts is lowercase()d
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if self.urlparts:
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self.urlparts[4] = self.anchor
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key = urlparse.urlunsplit(self.urlparts)
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self.urlparts[4] = ''
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return [key]
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return []
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def isHtml (self):
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if extensions['html'].search(self.url):
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return True
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if contents['html'].search(self.getContent()[:20]):
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return True
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return False
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def isFile (self):
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return True
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def isParseable (self):
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# guess by extension
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for ro in extensions.values():
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if ro.search(self.url):
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return True
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# try to read content (can fail, so catch error)
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try:
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for ro in contents.values():
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if ro.search(self.getContent()[:20]):
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return True
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except IOError:
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pass
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return False
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def parseUrl (self):
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for key, ro in extensions.items():
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if ro.search(self.url):
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return getattr(self, "parse_"+key)()
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for key, ro in contents.items():
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if ro.search(self.getContent()[:20]):
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return getattr(self, "parse_"+key)()
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return None
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