mirror of
https://github.com/Hopiu/linkchecker.git
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f4c774a50d
git-svn-id: https://linkchecker.svn.sourceforge.net/svnroot/linkchecker/trunk/linkchecker@624 e7d03fd6-7b0d-0410-9947-9c21f3af8025
184 lines
6 KiB
Python
184 lines
6 KiB
Python
"""Handle local file: links"""
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# Copyright (C) 2000,2001 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, urllib, linkcheck, linkcheck.UrlData
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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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# file extensions we can parse recursively
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extensions = {
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"html": r'(?i)\.s?html?$',
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"opera": r'^(?i)opera.adr$', # opera bookmark file
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# "text": r'(?i)\.(txt|xml|tsv|csv|sgml?|py|java|cc?|cpp|h)$',
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}
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for key in extensions.keys():
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extensions[key] = re.compile(extensions[key])
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# if file extension was fruitless, look at the content
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contents = {
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"html": r'(?i)<html>.*</html>',
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"opera" : r'Opera Hotlist',
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# "text" : r'[\w\s]+',
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}
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for key in contents.keys():
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contents[key] = re.compile(contents[key])
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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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_url = r"(?i)%s:[-a-zA-Z0-9$_.+!?*'/(),;]+" % _schemes
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_url_re = re.compile(_url, re.VERBOSE)
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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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UrlData.__init__(self,
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urlName,
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config,
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recursionLevel,
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parentName=parentName,
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baseRef=baseRef, line=line, column=column, name=name)
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if not parentName and not baseRef and \
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not re.compile("^file:").search(self.urlName):
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self.urlName = os.path.expanduser(self.urlName)
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winre = re.compile("^[a-zA-Z]:")
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if winre.search(self.urlName):
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self.adjustWinPath()
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else:
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if self.urlName[0:1] != "/":
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self.urlName = os.getcwd()+"/"+self.urlName
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if winre.search(self.urlName):
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self.adjustWinPath()
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self.urlName = "file://"+self.urlName.replace("\\", "/")
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def buildUrl (self):
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UrlData.buildUrl(self)
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# cut off parameter, query and fragment
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self.url = urlparse.urlunparse(self.urlTuple[:3] + ('','',''))
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def adjustWinPath (self):
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"c:\\windows ==> /c|\\windows"
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self.urlName = "/"+self.urlName[0]+"|"+self.urlName[2:]
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def isHtml (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 1
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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 1
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except IOError:
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pass
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return None
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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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def parse_html (self):
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UrlData.parseUrl(self)
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def parse_opera (self):
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# parse an opera bookmark file
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name = ""
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lineno = 0
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for line in self.getContent().splitlines():
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lineno += 1
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line = line.strip()
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if line.startswith("NAME="):
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name = line[5:]
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elif line.startswith("URL="):
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url = line[4:]
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if url:
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self.config.appendUrl(linkcheck.UrlData.GetUrlDataFrom(url,
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self.recursionLevel+1, self.config, self.url, None, lineno, name))
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name = ""
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def parse_text (self):
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# unused at the moment
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lineno = 0
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for line in self.getContent().splitlines():
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lineno += 1
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i = 0
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while 1:
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mo = _url_re.search(line, i)
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if not mo: break
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self.config.appendUrl(linkcheck.UrlData.GetUrlDataFrom(mo.group(),
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self.recursionLevel+1, self.config, self.url, None, lineno, ""))
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i = mo.end()
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