def _mech_open(self, url, data=None, update_history=True, visit=None,
timeout=_sockettimeout._GLOBAL_DEFAULT_TIMEOUT):
try:
url.get_full_url
except AttributeError:
# string URL -- convert to absolute URL if required
scheme, authority = _rfc3986.urlsplit(url)[:2]
if scheme is None:
# relative URL
if self._response is None:
raise BrowserStateError(
"can't fetch relative reference: "
"not viewing any document")
url = _rfc3986.urljoin(self._response.geturl(), url)
request = self._request(url, data, visit, timeout)
visit = request.visit
if visit is None:
visit = True
if visit:
self._visit_request(request, update_history)
success = True
try:
response = UserAgentBase.open(self, request, data)
except urllib2.HTTPError, error:
success = False
if error.fp is None: # not a response
raise
response = error
def _mech_open(self,
url,
data=None,
update_history=True,
visit=None,
timeout=_sockettimeout._GLOBAL_DEFAULT_TIMEOUT):
try:
url.get_full_url
except AttributeError:
# string URL -- convert to absolute URL if required
scheme, authority = _rfc3986.urlsplit(url)[:2]
if scheme is None:
# relative URL
if self._response is None:
raise BrowserStateError("can't fetch relative reference: "
"not viewing any document")
url = _rfc3986.urljoin(self._response.geturl(), url)
request = self._request(url, data, visit, timeout)
visit = request.visit
if visit is None:
visit = True
if visit:
self._visit_request(request, update_history)
success = True
try:
response = UserAgentBase.open(self, request, data)
except urllib2.HTTPError, error:
success = False
if error.fp is None: # not a response
raise
response = error
def http_error_302(self, req, fp, code, msg, headers):
# Some servers (incorrectly) return multiple Location headers
# (so probably same goes for URI). Use first header.
if "location" in headers:
newurl = headers.getheaders("location")[0]
elif "uri" in headers:
newurl = headers.getheaders("uri")[0]
else:
return
newurl = _rfc3986.clean_url(newurl, "latin-1")
newurl = _rfc3986.urljoin(req.get_full_url(), newurl)
# XXX Probably want to forget about the state of the current
# request, although that might interact poorly with other
# handlers that also use handler-specific request attributes
new = self.redirect_request(newurl, req, fp, code, msg, headers)
if new is None:
return
# loop detection
# .redirect_dict has a key url if url was previously visited.
if hasattr(req, "redirect_dict"):
visited = new.redirect_dict = req.redirect_dict
if visited.get(newurl, 0) >= self.max_repeats or len(visited) >= self.max_redirections:
raise HTTPError(req.get_full_url(), code, self.inf_msg + msg, headers, fp)
else:
visited = new.redirect_dict = req.redirect_dict = {}
visited[newurl] = visited.get(newurl, 0) + 1
# Don't close the fp until we are sure that we won't use it
# with HTTPError.
fp.read()
fp.close()
return self.parent.open(new)
def _mech_open(self,
url,
data=None,
update_history=True,
visit=None,
timeout=_sockettimeout._GLOBAL_DEFAULT_TIMEOUT):
try:
url.get_full_url
except AttributeError:
# string URL -- convert to absolute URL if required
scheme, authority = _rfc3986.urlsplit(url)[:2]
if scheme is None:
# relative URL
if self._response is None:
raise BrowserStateError("can't fetch relative reference: "
"not viewing any document")
url = _rfc3986.urljoin(self._response.geturl(), url)
request = self._request(url, data, visit, timeout)
visit = request.visit
if visit is None:
visit = True
if visit:
self._visit_request(request, update_history)
success = True
try:
response = UserAgentBase.open(self, request, data)
except urllib2.HTTPError as error:
success = False
if error.fp is None: # not a response
raise
response = error
# except (IOError, socket.error, OSError), error:
# Yes, urllib2 really does raise all these :-((
# See test_urllib2.py for examples of socket.gaierror and OSError,
# plus note that FTPHandler raises IOError.
# XXX I don't seem to have an example of exactly socket.error being
# raised, only socket.gaierror...
# I don't want to start fixing these here, though, since this is a
# subclass of OpenerDirector, and it would break old code. Even in
# Python core, a fix would need some backwards-compat. hack to be
# acceptable.
# raise
if visit:
self._set_response(response, False)
response = copy.copy(self._response)
elif response is not None:
response = _response.upgrade_response(response)
if not success:
raise response
return response
def http_error_302(self, req, fp, code, msg, headers):
# Some servers (incorrectly) return multiple Location headers
# (so probably same goes for URI). Use first header.
if headers.has_key('location'):
newurl = headers.getheaders('location')[0]
elif headers.has_key('uri'):
newurl = headers.getheaders('uri')[0]
else:
return
newurl = _rfc3986.clean_url(newurl, "latin-1")
newurl = _rfc3986.urljoin(req.get_full_url(), newurl)
# XXX Probably want to forget about the state of the current
# request, although that might interact poorly with other
# handlers that also use handler-specific request attributes
new = self.redirect_request(newurl, req, fp, code, msg, headers)
if new is None:
return
# loop detection
# .redirect_dict has a key url if url was previously visited.
if hasattr(req, 'redirect_dict'):
visited = new.redirect_dict = req.redirect_dict
if (visited.get(newurl, 0) >= self.max_repeats or
len(visited) >= self.max_redirections):
raise HTTPError(req.get_full_url(), code,
self.inf_msg + msg, headers, fp)
else:
visited = new.redirect_dict = req.redirect_dict = {}
visited[newurl] = visited.get(newurl, 0) + 1
# Don't close the fp until we are sure that we won't use it
# with HTTPError.
fp.read()
fp.close()
return self.parent.open(new)
def __init__(self, base_url, url, text, tag, attrs):
assert None not in [url, tag, attrs]
self.base_url = base_url
self.absolute_url = _rfc3986.urljoin(base_url, url)
self.url, self.text, self.tag, self.attrs = url, text, tag, attrs
def __init__(self, base_url, url, text, tag, attrs):
assert None not in [url, tag, attrs]
self.base_url = base_url
self.absolute_url = _rfc3986.urljoin(base_url, url)
self.url, self.text, self.tag, self.attrs = url, text, tag, attrs
