def startRequest(self, request, url, feed_config = None, selector_defer=None, sanitize=False):
downloader = self.downloadercls(self.feed, self.debug, self.snapshot_dir, self.stat_tool, self.memon,
request=request, url=url, feed_config=feed_config,
selector_defer=selector_defer, sanitize=sanitize, max_size=self.max_size)
sresponse = self.tryLocalPage(url)
if sresponse:
if selector_defer:
reactor.callLater(0, selector_defer.callback, sresponse)
else:
downloader.writeResponse(request, sresponse, feed_config)
else:
agent = BrowserLikeRedirectAgent(
Agent(reactor,
contextFactory=ScrapyClientContextFactory(), # skip certificate verification
connectTimeout=10),
#pool=pool),
redirectLimit=5
)
d = agent.request(
'GET',
url,
twisted_headers({
'Accept': ['text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8'],
'Accept-Encoding': ['gzip, deflate, sdch'],
'User-Agent': [self.user_agent]
}),
None
)
print('Request <GET %s> started' % (url,))
d.addCallback(downloader.downloadStarted)
d.addErrback(downloader.downloadError)
def getContext(self, hostname=None, port=None):
self.method = SSL.SSLv23_METHOD
ctx = ScrapyClientContextFactory.getContext(self)
ctx.set_options(SSL.OP_ALL)
if hostname:
ClientTLSOptions(hostname, ctx)
return ctx
def testPayloadDefaultCiphers(self):
s = "0123456789" * 10
d = getPage(
self.getURL("payload"),
body=s,
contextFactory=ScrapyClientContextFactory())
return self.assertFailure(d, OpenSSL.SSL.Error)
def getContext(self, hostname=None, port=None):
ctx = ScrapyClientContextFactory.getContext(self)
# Enable all workarounds to SSL bugs as documented by
# http://www.openssl.org/docs/ssl/SSL_CTX_set_options.html
ctx.set_options(SSL.OP_ALL)
if hostname:
ClientTLSOptions(hostname, ctx)
return ctx
r.set(url, int(time.time()))
return 0
GC_PERIOD_SECONDS = 3 * 60 * 60 # 3 hours
def periodical_garbage_collect():
tm = int(time.time())
if tm - periodical_garbage_collect.time >= GC_PERIOD_SECONDS:
print('GC: the number of unreachable objects: %s' % gc.collect())
periodical_garbage_collect.time = tm
periodical_garbage_collect.time = int(time.time())
agent = BrowserLikeRedirectAgent(
Agent(reactor,
contextFactory=ScrapyClientContextFactory(), # skip certificate verification
connectTimeout=10),
redirectLimit=5
)
def html2json(el):
return [
el.tag,
{"tag-id": el.attrib["tag-id"]},
[html2json(e) for e in el.getchildren() if isinstance(e, etree.ElementBase)]
]
def setBaseAndRemoveScriptsAndMore(response, url):
response.selector.remove_namespaces()
tree = response.selector.root.getroottree()
def __init__(self):
ScrapyClientContextFactory.__init__(self)
self.method = SSL.TLSv1_2_METHOD
