class PagesCrawler(BaseSpider):
name = 'pages'
link_extractor = RegexpLinkExtractor(canonicalize=False,
deny_extensions=[])
ignored_exts = set(['.' + e for e in IGNORED_EXTENSIONS])
def __init__(self, **kw):
args = DEFAULT_INPUT.copy()
args.update(kw)
self.args = args
self.start_urls = to_list(args['start_urls'])
self.maxdepth = int(args['maxdepth'])
self.follow_prefixes = to_list(args['follow_prefixes'])
self.nofollow_prefixes = to_list(args['nofollow_prefixes'])
self.discover_prefixes = [
url_to_lru_clean(
"http%s://%s" %
(https, u.replace('http://', '').replace('https://', '')))
for u in to_list(args['discover_prefixes']) for https in ['', 's']
]
self.resolved_links = {}
self.user_agent = args['user_agent']
self.phantom = 'phantom' in args and args[
'phantom'] and args['phantom'].lower() != "false"
if self.phantom:
self.ph_timeout = int(
args.get('phantom_timeout', PHANTOM['TIMEOUT']))
self.ph_idle_timeout = int(
args.get('phantom_idle_timeout', PHANTOM['IDLE_TIMEOUT']))
self.ph_ajax_timeout = int(
args.get('phantom_ajax_timeout', PHANTOM['AJAX_TIMEOUT']))
self.errors = 0
dispatcher.connect(self.closed, spider_closed)
dispatcher.connect(self.crashed, spider_error)
def start_requests(self):
self.log(
"Starting crawl task - jobid: %s" % self.crawler.settings['JOBID'],
log.INFO)
self.log("ARGUMENTS : " + str(self.args), log.INFO)
if self.phantom:
self.init_phantom()
for url in self.start_urls:
yield self._request(url)
def init_phantom(self):
self.prefixfiles = os.path.join(scrapyd_config().get('logs_dir'),
HYPHE_PROJECT, self.name,
self.crawler.settings['JOBID'])
self.log("Using path %s for PhantomJS crawl" % self.prefixfiles,
log.INFO)
phantom_args = []
if PROXY and not PROXY.startswith(':'):
phantom_args.append('--proxy=%s' % PROXY)
phantom_args.append('--cookies-file=%s-phantomjs-cookie.txt' %
self.prefixfiles)
phantom_args.append('--ignore-ssl-errors=true')
phantom_args.append('--load-images=false')
self.capabilities = dict(DesiredCapabilities.PHANTOMJS)
self.capabilities[
'phantomjs.page.settings.userAgent'] = self.user_agent
self.capabilities['takesScreenshot'] = False
self.capabilities[
'phantomjs.page.settings.javascriptCanCloseWindows'] = False
self.capabilities[
'phantomjs.page.settings.javascriptCanOpenWindows'] = False
self.phantom = PhantomJS(executable_path=PHANTOM['PATH'],
service_args=phantom_args,
desired_capabilities=self.capabilities,
service_log_path="%s-phantomjs.log" %
self.prefixfiles)
self.phantom.implicitly_wait(10)
self.phantom.set_page_load_timeout(60)
self.phantom.set_script_timeout(self.ph_timeout + 15)
def crashed(self, spider):
self.errors += 1
self.closed("CRASH")
def closed(self, reason):
if self.errors:
self.log(
"%s error%s encountered during the crawl." %
(self.errors, 's' if self.errors > 1 else ''), log.ERROR)
if self.phantom:
self.phantom.quit()
if not self.errors:
for f in ["phantomjs-cookie.txt", "phantomjs.log"]:
fi = "%s-%s" % (self.prefixfiles, f)
if os.path.exists(fi) and not self.errors:
os.remove(fi)
def handle_response(self, response):
lru = url_to_lru_clean(response.url)
if self.phantom:
self.phantom.get(response.url)
# Collect whole DOM of the webpage including embedded iframes
with open(
os.path.join(PHANTOM["JS_PATH"],
"get_iframes_content.js")) as js:
get_bod_w_iframes = js.read()
bod_w_iframes = self.phantom.execute_script(get_bod_w_iframes)
response._set_body(bod_w_iframes.encode('utf-8'))
# Try to scroll and unfold page
self.log("Start PhantomJS scrolling and unfolding", log.INFO)
with open(
os.path.join(PHANTOM["JS_PATH"],
"scrolldown_and_unfold.js")) as js:
try:
signal.signal(signal.SIGALRM, timeout_alarm)
signal.alarm(self.ph_timeout + 30)
timedout = self.phantom.execute_async_script(
js.read(), self.ph_timeout, self.ph_idle_timeout,
self.ph_ajax_timeout)
signal.alarm(0)
if timedout:
raise SeleniumTimeout
self.log("Scrolling/Unfolding finished", log.INFO)
except SeleniumTimeout:
self.log(
"Scrolling/Unfolding timed-out (%ss)" %
self.ph_timeout, log.WARNING)
self.errors += 1
except WebDriverException as e:
err = json.loads(e.msg)['errorMessage']
self.log("Scrolling/Unfolding crashed: %s" % err,
log.ERROR)
self.errors += 1
except Exception as e:
self.log(
"Scrolling/Unfolding crashed: %s %s" % (type(e), e),
log.ERROR)
self.errors += 1
return self._make_raw_page(response, lru)
bod_w_iframes = self.phantom.execute_script(get_bod_w_iframes)
response._set_body(bod_w_iframes.encode('utf-8'))
# Cleanup pages with base64 images embedded that make scrapy consider them not htmlresponses
if response.status == 200 and not isinstance(response, HtmlResponse):
try:
flags = response.flags
if "partial" in flags:
flags.remove("partial")
flags.append("cleaned")
response = HtmlResponse(response.url,
headers=response.headers,
body=cleanupbase64images(
response.body),
flags=flags,
request=response.request)
self.log(
"WARNING: page with base64 embedded images was cleaned-up for links extraction"
)
except:
pass
if 300 < response.status < 400 or isinstance(response, HtmlResponse):
return self.parse_html(response, lru)
else:
return self._make_raw_page(response, lru)
def handle_error(self, failure, response=None):
if response:
p = self._make_raw_page(response, failure.request.url)
p['error'] = error_name(failure.value)
return p
elif not "://www" in failure.request.url:
return self._request(failure.request.url.replace('://', '://www.'))
error = failure.getErrorMessage()
self.log("ERROR : %s" % error, log.ERROR)
if PROXY and not PROXY.startswith(
':') and "OpenSSL.SSL.Error" in error:
return self._request(failure.request.url, noproxy=True)
self.errors += 1
return
def parse_html(self, response, lru):
lrulinks = []
# handle redirects
realdepth = response.meta['depth']
if 300 < response.status < 400:
redir_url = response.headers['Location']
if redir_url.startswith('/'):
redir_url = "%s%s" % (lru_get_host_url(lru).strip('/'),
redir_url)
elif redir_url.startswith(
'./') or not redir_url.startswith('http'):
redir_url = "%s%s" % (lru_get_path_url(lru).strip('/'),
redir_url[1:])
links = [{'url': redir_url}]
response.meta['depth'] -= 1
else:
try:
links = self.link_extractor.extract_links(response)
except Exception as e:
self.log(
"ERROR: links extractor crashed on %s: %s %s" %
(response, type(e), e), log.ERROR)
links = []
self.errors += 1
for link in links:
try:
url = link.url
except AttributeError:
url = link['url']
try:
lrulink = url_to_lru_clean(url)
except ValueError, e:
self.log("Error converting URL %s to LRU: %s" % (url, e),
log.ERROR)
continue
lrulinks.append((url, lrulink))
if self._should_follow(response.meta['depth'], lru, lrulink) and \
not url_has_any_extension(url, self.ignored_exts):
yield self._request(url)
response.meta['depth'] = realdepth
yield self._make_html_page(response, lru, lrulinks)
class PagesCrawler(BaseSpider):
name = 'pages'
link_extractor = RegexpLinkExtractor(canonicalize=False, deny_extensions=[])
ignored_exts = set(['.' + e for e in IGNORED_EXTENSIONS])
def __init__(self, **kw):
args = DEFAULT_INPUT.copy()
args.update(kw)
self.args = args
self.start_urls = to_list(args['start_urls'])
self.maxdepth = int(args['maxdepth'])
self.follow_prefixes = to_list(args['follow_prefixes'])
self.nofollow_prefixes = to_list(args['nofollow_prefixes'])
self.discover_prefixes = [url_to_lru_clean("http%s://%s" % (https, u.replace('http://', '').replace('https://', ''))) for u in to_list(args['discover_prefixes']) for https in ['', 's']]
self.resolved_links = {}
self.user_agent = args['user_agent']
self.phantom = 'phantom' in args and args['phantom'] and args['phantom'].lower() != "false"
if self.phantom:
self.ph_timeout = int(args.get('phantom_timeout', PHANTOM['TIMEOUT']))
self.ph_idle_timeout = int(args.get('phantom_idle_timeout', PHANTOM['IDLE_TIMEOUT']))
self.ph_ajax_timeout = int(args.get('phantom_ajax_timeout', PHANTOM['AJAX_TIMEOUT']))
self.errors = 0
dispatcher.connect(self.closed, spider_closed)
dispatcher.connect(self.crashed, spider_error)
def start_requests(self):
self.log("Starting crawl task - jobid: %s" % self.crawler.settings['JOBID'], log.INFO)
self.log("ARGUMENTS : "+str(self.args), log.INFO)
if self.phantom:
self.init_phantom()
for url in self.start_urls:
yield self._request(url)
def init_phantom(self):
self.prefixfiles = os.path.join(
scrapyd_config().get('logs_dir'),
HYPHE_PROJECT,
self.name,
self.crawler.settings['JOBID']
)
self.log("Using path %s for PhantomJS crawl" % self.prefixfiles, log.INFO)
phantom_args = []
if PROXY and not PROXY.startswith(':'):
phantom_args.append('--proxy=%s' % PROXY)
phantom_args.append('--cookies-file=%s-phantomjs-cookie.txt' % self.prefixfiles)
phantom_args.append('--ignore-ssl-errors=true')
phantom_args.append('--load-images=false')
self.capabilities = dict(DesiredCapabilities.PHANTOMJS)
self.capabilities['phantomjs.page.settings.userAgent'] = self.user_agent
self.capabilities['takesScreenshot'] = False
self.capabilities['phantomjs.page.settings.javascriptCanCloseWindows'] = False
self.capabilities['phantomjs.page.settings.javascriptCanOpenWindows'] = False
self.phantom = PhantomJS(
executable_path=PHANTOM['PATH'],
service_args=phantom_args,
desired_capabilities=self.capabilities,
service_log_path="%s-phantomjs.log" % self.prefixfiles
)
self.phantom.implicitly_wait(10)
self.phantom.set_page_load_timeout(60)
self.phantom.set_script_timeout(self.ph_timeout + 15)
def crashed(self, spider):
self.errors += 1
self.closed("CRASH")
def closed(self, reason):
if self.errors:
self.log("%s error%s encountered during the crawl." %
(self.errors, 's' if self.errors > 1 else ''), log.ERROR)
if self.phantom:
self.phantom.quit()
if not self.errors:
for f in ["phantomjs-cookie.txt", "phantomjs.log"]:
fi = "%s-%s" % (self.prefixfiles, f)
if os.path.exists(fi) and not self.errors:
os.remove(fi)
def handle_response(self, response):
lru = url_to_lru_clean(response.url)
if self.phantom:
self.phantom.get(response.url)
# Collect whole DOM of the webpage including embedded iframes
with open(os.path.join(PHANTOM["JS_PATH"], "get_iframes_content.js")) as js:
get_bod_w_iframes = js.read()
bod_w_iframes = self.phantom.execute_script(get_bod_w_iframes)
response._set_body(bod_w_iframes.encode('utf-8'))
# Try to scroll and unfold page
self.log("Start PhantomJS scrolling and unfolding", log.INFO)
with open(os.path.join(PHANTOM["JS_PATH"], "scrolldown_and_unfold.js")) as js:
try:
signal.signal(signal.SIGALRM, timeout_alarm)
signal.alarm(self.ph_timeout + 30)
timedout = self.phantom.execute_async_script(
js.read(), self.ph_timeout,
self.ph_idle_timeout, self.ph_ajax_timeout)
signal.alarm(0)
if timedout:
raise SeleniumTimeout
self.log("Scrolling/Unfolding finished", log.INFO)
except SeleniumTimeout:
self.log("Scrolling/Unfolding timed-out (%ss)" % self.ph_timeout, log.WARNING)
self.errors += 1
except WebDriverException as e:
err = json.loads(e.msg)['errorMessage']
self.log("Scrolling/Unfolding crashed: %s" % err, log.ERROR)
self.errors += 1
except Exception as e:
self.log("Scrolling/Unfolding crashed: %s %s" % (type(e), e), log.ERROR)
self.errors += 1
return self._make_raw_page(response, lru)
bod_w_iframes = self.phantom.execute_script(get_bod_w_iframes)
response._set_body(bod_w_iframes.encode('utf-8'))
# Cleanup pages with base64 images embedded that make scrapy consider them not htmlresponses
if response.status == 200 and not isinstance(response, HtmlResponse):
try:
flags = response.flags
if "partial" in flags:
flags.remove("partial")
flags.append("cleaned")
response = HtmlResponse(response.url, headers=response.headers, body=cleanupbase64images(response.body), flags=flags, request=response.request)
self.log("WARNING: page with base64 embedded images was cleaned-up for links extraction")
except:
pass
if 300 < response.status < 400 or isinstance(response, HtmlResponse):
return self.parse_html(response, lru)
else:
return self._make_raw_page(response, lru)
def handle_error(self, failure, response=None):
if response:
p = self._make_raw_page(response, failure.request.url)
p['error'] = error_name(failure.value)
return p
elif not "://www" in failure.request.url:
return self._request(failure.request.url.replace('://', '://www.'))
self.log("ERROR : %s" % failure.getErrorMessage(), log.ERROR)
self.errors += 1
return
def parse_html(self, response, lru):
lrulinks = []
# handle redirects
realdepth = response.meta['depth']
if 300 < response.status < 400:
redir_url = response.headers['Location']
if redir_url.startswith('/'):
redir_url = "%s%s" % (lru_get_host_url(lru).strip('/'), redir_url)
elif redir_url.startswith('./') or not redir_url.startswith('http'):
redir_url = "%s%s" % (lru_get_path_url(lru).strip('/'), redir_url[1:])
links = [{'url': redir_url}]
response.meta['depth'] -= 1
else:
try:
links = self.link_extractor.extract_links(response)
except Exception as e:
self.log("ERROR: links extractor crashed on %s: %s %s" % (response, type(e), e), log.ERROR)
links = []
self.errors += 1
for link in links:
try:
url = link.url
except AttributeError:
url = link['url']
try:
lrulink = url_to_lru_clean(url)
except ValueError, e:
self.log("Error converting URL %s to LRU: %s" % (url, e), log.ERROR)
continue
lrulinks.append((url, lrulink))
if self._should_follow(response.meta['depth'], lru, lrulink) and \
not url_has_any_extension(url, self.ignored_exts):
yield self._request(url)
response.meta['depth'] = realdepth
yield self._make_html_page(response, lru, lrulinks)
class PagesCrawler(Spider):
name = 'pages'
link_extractor = RegexpLinkExtractor(canonicalize=False,
deny_extensions=[])
ignored_exts = set(['.' + e for e in IGNORED_EXTENSIONS])
def __init__(self, **kwargs):
mongo = MongoClient(MONGO_HOST, MONGO_PORT)[MONGO_DB][MONGO_JOBS_COL]
job = mongo.find_one({"_id": kwargs["job_id"]})
args = job["crawl_arguments"]
self.args = args
self.start_urls = to_list(args['start_urls'])
self.maxdepth = int(args['max_depth'])
self.follow_prefixes = to_list(args['follow_prefixes'])
self.nofollow_prefixes = to_list(args['nofollow_prefixes'])
self.prefixes_trie = LRUTrie()
for p in self.follow_prefixes:
self.prefixes_trie.set_lru(p, True)
for p in self.nofollow_prefixes:
self.prefixes_trie.set_lru(p, False)
self.discover_prefixes = [
url_to_lru_clean(
"http%s://%s" %
(https, u.replace('http://', '').replace('https://', '')),
TLDS_TREE) for u in to_list(args['discover_prefixes'])
for https in ['', 's']
]
self.resolved_links = {}
self.user_agent = args['user_agent']
self.phantom = 'phantom' in args and args[
'phantom'] and args['phantom'].lower() != "false"
self.cookies = None
if 'cookies' in args and args["cookies"]:
self.cookies = dict(
cookie.split('=', 1)
for cookie in re.split(r'\s*;\s*', args['cookies'])
if '=' in cookie)
if self.phantom:
self.ph_timeout = int(
args.get('phantom_timeout', PHANTOM['TIMEOUT']))
self.ph_idle_timeout = int(
args.get('phantom_idle_timeout', PHANTOM['IDLE_TIMEOUT']))
self.ph_ajax_timeout = int(
args.get('phantom_ajax_timeout', PHANTOM['AJAX_TIMEOUT']))
self.errors = 0
@classmethod
def from_crawler(cls, crawler, *args, **kwargs):
spider = super(PagesCrawler, cls).from_crawler(crawler, *args,
**kwargs)
crawler.signals.connect(spider.spider_closed, signal=spider_closed)
crawler.signals.connect(spider.spider_crashed, signal=spider_error)
return spider
def start_requests(self):
self.log(
"Starting crawl task - jobid: %s" % self.crawler.settings['JOBID'],
logging.INFO)
self.log("ARGUMENTS : " + str(self.args), logging.INFO)
if self.phantom:
self.init_phantom()
for url in self.start_urls:
yield self._request(url)
def init_phantom(self):
self.prefixfiles = os.path.join(scrapyd_config().get('logs_dir'),
HYPHE_PROJECT, self.name,
self.crawler.settings['JOBID'])
self.log("Using path %s for PhantomJS crawl" % self.prefixfiles,
logging.INFO)
phantom_args = []
if PROXY and not PROXY.startswith(':'):
phantom_args.append('--proxy=%s' % PROXY)
phantom_args.append('--cookies-file=%s-phantomjs-cookie.txt' %
self.prefixfiles)
phantom_args.append('--ignore-ssl-errors=true')
phantom_args.append('--load-images=false')
self.capabilities = dict(DesiredCapabilities.PHANTOMJS)
self.capabilities[
'phantomjs.page.settings.userAgent'] = self.user_agent
self.capabilities['takesScreenshot'] = False
self.capabilities[
'phantomjs.page.settings.javascriptCanCloseWindows'] = False
self.capabilities[
'phantomjs.page.settings.javascriptCanOpenWindows'] = False
self.phantom = PhantomJS(executable_path=PHANTOM['PATH'],
service_args=phantom_args,
desired_capabilities=self.capabilities,
service_log_path="%s-phantomjs.log" %
self.prefixfiles)
self.phantom.implicitly_wait(10)
self.phantom.set_page_load_timeout(60)
self.phantom.set_script_timeout(self.ph_timeout + 15)
def spider_crashed(self, spider):
self.errors += 1
self.spider_closed(spider, reason="CRASH")
def spider_closed(self, spider, reason=""):
if self.errors:
self.log(
"%s error%s encountered during the crawl (%s)." %
(self.errors, 's' if self.errors > 1 else '', reason),
logging.ERROR)
if self.phantom:
self.phantom.quit()
if not self.errors:
for f in ["phantomjs-cookie.txt", "phantomjs.log"]:
fi = "%s-%s" % (self.prefixfiles, f)
if os.path.exists(fi) and not self.errors:
os.remove(fi)
def handle_response(self, response):
lru = url_to_lru_clean(response.url, TLDS_TREE)
if self.phantom:
self.phantom.get(response.url)
# Collect whole DOM of the webpage including embedded iframes
with open(
os.path.join(PHANTOM["JS_PATH"],
"get_iframes_content.js")) as js:
get_bod_w_iframes = js.read()
bod_w_iframes = self.phantom.execute_script(get_bod_w_iframes)
response._set_body(bod_w_iframes.encode('utf-8'))
# Try to scroll and unfold page
self.log("Start PhantomJS scrolling and unfolding", logging.INFO)
with open(
os.path.join(PHANTOM["JS_PATH"],
"scrolldown_and_unfold.js")) as js:
try:
signal.signal(signal.SIGALRM, timeout_alarm)
signal.alarm(self.ph_timeout + 30)
timedout = self.phantom.execute_async_script(
js.read(), self.ph_timeout, self.ph_idle_timeout,
self.ph_ajax_timeout)
signal.alarm(0)
if timedout:
raise SeleniumTimeout
self.log("Scrolling/Unfolding finished", logging.INFO)
except SeleniumTimeout:
self.log(
"Scrolling/Unfolding timed-out (%ss)" %
self.ph_timeout, logging.WARNING)
self.errors += 1
except WebDriverException as e:
err = json.loads(e.msg)['errorMessage']
self.log("Scrolling/Unfolding crashed: %s" % err,
logging.ERROR)
self.errors += 1
except Exception as e:
self.log(
"Scrolling/Unfolding crashed: %s %s" % (type(e), e),
logging.ERROR)
self.errors += 1
return self._make_raw_page(response, lru)
bod_w_iframes = self.phantom.execute_script(get_bod_w_iframes)
response._set_body(bod_w_iframes.encode('utf-8'))
# Cleanup pages with base64 images embedded that make scrapy consider them not htmlresponses
if response.status == 200 and not isinstance(response, HtmlResponse):
try:
flags = response.flags
if "partial" in flags:
flags.remove("partial")
flags.append("cleaned")
response = HtmlResponse(response.url,
headers=response.headers,
body=cleanupbase64images(
response.body),
flags=flags,
request=response.request)
self.log(
"WARNING: page with base64 embedded images was cleaned-up for links extraction"
)
except:
pass
if 300 < response.status < 400 or isinstance(response, HtmlResponse):
return self.parse_html(response, lru)
else:
return self._make_raw_page(response, lru)
def handle_error(self, failure, response=None):
if response:
p = self._make_raw_page(response, failure.request.url)
p['error'] = error_name(failure.value)
return p
elif not "://www" in failure.request.url:
return self._request(failure.request.url.replace('://', '://www.'))
error = failure.getErrorMessage()
self.log("ERROR : %s" % error, logging.ERROR)
if PROXY and not PROXY.startswith(
':') and "OpenSSL.SSL.Error" in error:
return self._request(failure.request.url, noproxy=True)
self.errors += 1
return
def parse_html(self, response, lru):
lrulinks = []
# handle redirects
realdepth = response.meta['depth']
if 300 < response.status < 400:
redir_url = response.headers['Location']
if redir_url.startswith('/'):
redir_url = "%s%s" % (lru_get_host_url(lru).strip('/'),
redir_url)
elif redir_url.startswith('../'):
lrustart = lru[:lru.rfind('|p:')]
while redir_url.startswith('../'):
lrustart = lrustart[:lrustart.rfind('|p:')]
redir_url = redir_url[3:]
redir_url = "%s/%s" % (lru_to_url(lrustart + '|'), redir_url)
elif redir_url.startswith(
'./') or not redir_url.startswith('http'):
redir_url = "%s%s" % (lru_get_path_url(lru).strip('/'),
redir_url[1:])
links = [{'url': redir_url}]
response.meta['depth'] -= 1
else:
try:
links = self.link_extractor.extract_links(response)
except Exception as e:
self.log(
"ERROR: links extractor crashed on %s: %s %s" %
(response, type(e), e), logging.ERROR)
links = []
self.errors += 1
for link in links:
try:
url = link.url
except AttributeError:
url = link['url']
try:
lrulink = url_to_lru_clean(url, TLDS_TREE)
except (ValueError, IndexError) as e:
self.log("Error converting URL %s to LRU: %s" % (url, e),
logging.ERROR)
continue
lrulinks.append((url, lrulink))
if self._should_follow(response.meta['depth'], lrulink) and \
not url_has_any_extension(url, self.ignored_exts):
yield self._request(url)
response.meta['depth'] = realdepth
yield self._make_html_page(response, lru, lrulinks)
def _make_html_page(self, response, lru, lrulinks):
p = self._make_raw_page(response, lru)
if STORE_HTML:
p['body'] = Binary(response.body.encode('zip'))
p['lrulinks'] = lrulinks
return p
def _make_raw_page(self, response, lru):
p = self._new_page(response.url, lru)
p['status'] = response.status
p['size'] = len(response.body)
if isinstance(response, HtmlResponse):
p['encoding'] = response.encoding
if response.meta.get('depth'):
p['depth'] = response.meta['depth']
if response.headers.get('content-type'):
p['content_type'] = response.headers.get('content-type').partition(
';')[0]
p['error'] = None
return p
def _new_page(self, url, lru=None):
if lru is None:
lru = url_to_lru_clean(url, TLDS_TREE)
p = Page()
p['url'] = url
p['lru'] = lru
p['depth'] = 0
p['timestamp'] = int(time.time() * 1000)
return p
def _should_follow(self, depth, tolru):
c1 = depth < self.maxdepth
c2 = self.prefixes_trie.match_lru(tolru)
return c1 and c2
def _request(self, url, noproxy=False, **kw):
kw['meta'] = {'handle_httpstatus_all': True, 'noproxy': noproxy}
kw['callback'] = self.handle_response
kw['errback'] = self.handle_error
if self.cookies:
kw['cookies'] = self.cookies
if self.phantom:
kw['method'] = 'HEAD'
return Request(url, **kw)
