Closes #1292: In the linkchecker, retry HEAD requests when denied by HTTP 405.

Also make the redirect code apparent and tweak the output a bit to be
more obvious.
This commit is contained in:
Georg Brandl
2014-01-12 23:52:16 +01:00
parent 5d23ef5a8c
commit 5406bff1cd
2 changed files with 66 additions and 28 deletions

View File

@@ -93,6 +93,10 @@ Bugs fixed
* #1249: Fix duplicate LaTeX page numbering for manual documents.
* #1292: In the linkchecker, retry HEAD requests when denied by HTTP 405.
Also make the redirect code apparent and tweak the output a bit to be
more obvious.
Documentation
-------------

View File

@@ -15,17 +15,30 @@ import Queue
import socket
import threading
from os import path
from urllib2 import build_opener, unquote, Request
from urllib2 import build_opener, unquote, Request, \
HTTPError, HTTPRedirectHandler
from HTMLParser import HTMLParser, HTMLParseError
from docutils import nodes
from sphinx.builders import Builder
from sphinx.util.console import purple, red, darkgreen, darkgray
from sphinx.util.console import purple, red, darkgreen, darkgray, \
darkred, turquoise
class RedirectHandler(HTTPRedirectHandler):
"""A RedirectHandler that records the redirect code we got."""
def redirect_request(self, req, fp, code, msg, headers, newurl):
new_req = HTTPRedirectHandler.redirect_request(self, req, fp, code,
msg, headers, newurl)
req.redirect_code = code
return new_req
# create an opener that will simulate a browser user-agent
opener = build_opener()
opener.addheaders = [('User-agent', 'Mozilla/5.0')]
opener = build_opener(RedirectHandler)
opener.addheaders = [('User-agent', 'Mozilla/5.0 (X11; Linux x86_64; rv:25.0) '
'Gecko/20100101 Firefox/25.0')]
class HeadRequest(Request):
@@ -104,18 +117,18 @@ class CheckExternalLinksBuilder(Builder):
# check for various conditions without bothering the network
if len(uri) == 0 or uri[0] == '#' or \
uri[0:7] == 'mailto:' or uri[0:4] == 'ftp:':
return 'unchecked', ''
return 'unchecked', '', 0
elif not (uri[0:5] == 'http:' or uri[0:6] == 'https:'):
return 'local', ''
return 'local', '', 0
elif uri in self.good:
return 'working', ''
return 'working', '', 0
elif uri in self.broken:
return 'broken', self.broken[uri]
return 'broken', self.broken[uri], 0
elif uri in self.redirected:
return 'redirected', self.redirected[uri]
return 'redirected', self.redirected[uri][0], self.redirected[uri][1]
for rex in self.to_ignore:
if rex.match(uri):
return 'ignored', ''
return 'ignored', '', 0
if '#' in uri:
req_url, hash = uri.split('#', 1)
@@ -127,61 +140,82 @@ class CheckExternalLinksBuilder(Builder):
try:
if hash and self.app.config.linkcheck_anchors:
# Read the whole document and see if #hash exists
f = opener.open(Request(req_url), **kwargs)
req = Request(req_url)
f = opener.open(req, **kwargs)
found = check_anchor(f, unquote(hash))
f.close()
if not found:
raise Exception("Anchor '%s' not found" % hash)
else:
f = opener.open(HeadRequest(req_url), **kwargs)
f.close()
try:
# try a HEAD request, which should be easier on
# the server and the network
req = HeadRequest(req_url)
f = opener.open(req, **kwargs)
f.close()
except HTTPError, err:
if err.code != 405:
raise
# retry with GET if that fails, some servers
# don't like HEAD requests and reply with 405
req = Request(req_url)
f = opener.open(req, **kwargs)
f.close()
except Exception, err:
self.broken[uri] = str(err)
return 'broken', str(err)
return 'broken', str(err), 0
if f.url.rstrip('/') == req_url.rstrip('/'):
self.good.add(uri)
return 'working', 'new'
return 'working', 'new', 0
else:
new_url = f.url
if hash:
new_url += '#' + hash
self.redirected[uri] = new_url
return 'redirected', new_url
code = getattr(req, 'redirect_code', 0)
self.redirected[uri] = (new_url, code)
return 'redirected', new_url, code
while True:
uri, docname, lineno = self.wqueue.get()
if uri is None:
break
status, info = check()
self.rqueue.put((uri, docname, lineno, status, info))
status, info, code = check()
self.rqueue.put((uri, docname, lineno, status, info, code))
def process_result(self, result):
uri, docname, lineno, status, info = result
uri, docname, lineno, status, info, code = result
if status == 'unchecked':
return
if status == 'working' and info != 'new':
return
if lineno:
self.info('(line %3d) ' % lineno, nonl=1)
self.info('(line %4d) ' % lineno, nonl=1)
if status == 'ignored':
self.info(uri + ' - ' + darkgray('ignored'))
self.info(darkgray('-ignored- ') + uri)
elif status == 'local':
self.info(uri + ' - ' + darkgray('local'))
self.info(darkgray('-local- ') + uri)
self.write_entry('local', docname, lineno, uri)
elif status == 'working':
self.info(uri + ' - ' + darkgreen('working'))
self.info(darkgreen('ok ') + uri)
elif status == 'broken':
self.info(uri + ' - ' + red('broken: ') + info)
self.info(red('broken ') + uri + red(' - ' + info))
self.write_entry('broken', docname, lineno, uri + ': ' + info)
if self.app.quiet:
self.warn('broken link: %s' % uri,
'%s:%s' % (self.env.doc2path(docname), lineno))
elif status == 'redirected':
self.info(uri + ' - ' + purple('redirected') + ' to ' + info)
self.write_entry('redirected', docname, lineno, uri + ' to ' + info)
text, color = {
301: ('permanently', darkred),
302: ('with Found', purple),
303: ('with See Other', purple),
307: ('temporarily', turquoise),
0: ('with unknown code', purple),
}[code]
self.write_entry('redirected ' + text, docname, lineno,
uri + ' to ' + info)
self.info(color('redirect ') + uri + color(' - ' + text + ' to ' + info))
def get_target_uri(self, docname, typ=None):
return ''