A variant on webchecker that creates a mirror copy of a remote site.

Tools/webchecker/websucker.py

@@ -0,0 +1,131 @@
+#! /usr/bin/env python
+
+"""A variant on webchecker that creates a mirror copy of a remote site."""
+
+__version__ = "0.1"
+
+import os
+import sys
+import string
+import urllib
+import getopt
+
+import webchecker
+verbose = webchecker.verbose
+
+def main():
+    global verbose
+    try:
+	opts, args = getopt.getopt(sys.argv[1:], "qv")
+    except getopt.error, msg:
+	print msg
+	print "usage:", sys.argv[0], "[-v] ... [rooturl] ..."
+	return 2
+    for o, a in opts:
+	if o == "-q":
+	    webchecker.verbose = verbose = 0
+	if o == "-v":
+	    webchecker.verbose = verbose = verbose + 1
+    c = Sucker(0)
+    c.urlopener.addheaders = [
+	    ('User-agent', 'websucker/%s' % __version__),
+	]
+    for arg in args:
+	print "Adding root", arg
+	c.addroot(arg)
+    print "Run..."
+    c.run()
+
+class Sucker(webchecker.Checker):
+
+    # Alas, had to copy this to make one change...
+    def getpage(self, url):
+	if url[:7] == 'mailto:' or url[:5] == 'news:':
+	    if verbose > 1: print " Not checking mailto/news URL"
+	    return None
+	isint = self.inroots(url)
+	if not isint and not self.checkext:
+	    if verbose > 1: print " Not checking ext link"
+	    return None
+	path = self.savefilename(url)
+	saved = 0
+	try:
+	    f = open(path, "rb")
+	except IOError:
+	    try:
+		f = self.urlopener.open(url)
+	    except IOError, msg:
+		msg = webchecker.sanitize(msg)
+		if verbose > 0:
+		    print "Error ", msg
+		if verbose > 0:
+		    webchecker.show(" HREF ", url, "  from", self.todo[url])
+		self.setbad(url, msg)
+		return None
+	    if not isint:
+		if verbose > 1: print " Not gathering links from ext URL"
+		safeclose(f)
+		return None
+	    nurl = f.geturl()
+	    if nurl != url:
+		path = self.savefilename(nurl)
+	    info = f.info()
+	else:
+	    if verbose: print "Loading cached URL", url
+	    saved = 1
+	    nurl = url
+	    info = {}
+	    if url[-1:] == "/":
+		info["content-type"] = "text/html"
+	text = f.read()
+	if not saved: self.savefile(text, path)
+	if info.has_key('content-type'):
+	    ctype = string.lower(info['content-type'])
+	else:
+	    ctype = None
+	if nurl != url:
+	    if verbose > 1:
+		print " Redirected to", nurl
+	if not ctype:
+	    ctype, encoding = webchecker.mimetypes.guess_type(nurl)
+	if ctype != 'text/html':
+	    webchecker.safeclose(f)
+	    if verbose > 1:
+		print " Not HTML, mime type", ctype
+	    return None
+	f.close()
+	return webchecker.Page(text, nurl)
+
+    def savefile(self, text, path):
+	dir, base = os.path.split(path)
+	makedirs(dir)
+	f = open(path, "wb")
+	f.write(text)
+	f.close()
+	print "saved", path
+
+    def savefilename(self, url):
+	type, rest = urllib.splittype(url)
+	host, path = urllib.splithost(rest)
+	while path[:1] == "/": path = path[1:]
+	user, host = urllib.splituser(host)
+	host, port = urllib.splitnport(host)
+	host = string.lower(host)
+	path = os.path.join(host, path)
+	if path[-1] == "/": path = path + "index.html"
+	if os.sep != "/":
+	    path = string.join(string.split(path, "/"), os.sep)
+	return path
+
+def makedirs(dir):
+    if not dir or os.path.exists(dir):
+	return
+    head, tail = os.path.split(dir)
+    if not tail:
+	print "Huh?  Don't know how to make dir", dir
+	return
+    makedirs(head)
+    os.mkdir(dir, 0777)
+
+if __name__ == '__main__':
+    sys.exit(main() or 0)