def _brozzle_site(self, browser, site):
start = time.time()
page = None
try:
while (not self._shutdown_requested.is_set()
and time.time() - start < 7 * 60):
self._frontier.honor_stop_request(site.job_id)
page = self._frontier.claim_page(
site,
"%s:%s" % (socket.gethostname(), browser.chrome_port))
outlinks = self.brozzle_page(browser, site, page)
site.cookie_db = browser.persist_and_read_cookie_db()
self._frontier.completed_page(site, page)
self._frontier.scope_and_schedule_outlinks(
site, page, outlinks)
page = None
except brozzler.NothingToClaim:
self.logger.info("no pages left for site %s", site)
except brozzler.ReachedLimit as e:
self._frontier.reached_limit(site, e)
except brozzler.CrawlJobStopped:
self._frontier.finished(site, "FINISHED_STOP_REQUESTED")
except brozzler.browser.BrowsingAborted:
self.logger.info("{} shut down".format(browser))
except:
self.logger.critical("unexpected exception", exc_info=True)
finally:
self.logger.info("finished session brozzling site, stopping "
"browser and disclaiming site")
browser.stop()
self._frontier.disclaim_site(site, page)
self._browser_pool.release(browser)
self._browsing_threads.remove(threading.current_thread())
def _brozzle_site_thread_target(self, browser, site):
try:
self.brozzle_site(browser, site)
finally:
browser.stop()
self._browser_pool.release(browser)
with self._browsing_threads_lock:
self._browsing_threads.remove(threading.current_thread())
def _brozzle_site_thread_target(self, browser, site):
try:
self.brozzle_site(browser, site)
finally:
browser.stop()
self._browser_pool.release(browser)
with self._browsing_threads_lock:
self._browsing_threads.remove(threading.current_thread())
def _brozzle_site(self, browser, site):
page = None
try:
start = time.time()
while time.time() - start < 7 * 60:
self._frontier.honor_stop_request(site.job_id)
page = self._frontier.claim_page(site, "%s:%s" % (
socket.gethostname(), browser.chrome.port))
if (page.needs_robots_check and
not brozzler.is_permitted_by_robots(site, page.url)):
logging.warn("page %s is blocked by robots.txt", page.url)
else:
outlinks = self.brozzle_page(browser, site, page)
self._frontier.scope_and_schedule_outlinks(
site, page, outlinks)
if browser.is_running():
site.cookie_db = browser.chrome.persist_and_read_cookie_db()
self._frontier.completed_page(site, page)
page = None
except brozzler.ShutdownRequested:
self.logger.info("shutdown requested")
except brozzler.NothingToClaim:
self.logger.info("no pages left for site %s", site)
except brozzler.ReachedLimit as e:
self._frontier.reached_limit(site, e)
except brozzler.CrawlJobStopped:
self._frontier.finished(site, "FINISHED_STOP_REQUESTED")
# except brozzler.browser.BrowsingAborted:
# self.logger.info("{} shut down".format(browser))
except:
self.logger.critical("unexpected exception", exc_info=True)
finally:
browser.stop()
self._frontier.disclaim_site(site, page)
self._browser_pool.release(browser)
with self._browsing_threads_lock:
self._browsing_threads.remove(threading.current_thread())
def _brozzle_site(self, browser, ydl, site):
start = time.time()
page = None
try:
browser.start(proxy=site.proxy)
while not self._shutdown_requested.is_set() and time.time() - start < 60:
page = self._frontier.claim_page(site, self._id)
outlinks = self.brozzle_page(browser, ydl, site, page)
self._frontier.completed_page(site, page)
self._frontier.scope_and_schedule_outlinks(site, page, outlinks)
page = None
except brozzler.NothingToClaim:
self.logger.info("no pages left for site %s", site)
except brozzler.ReachedLimit as e:
self._frontier.reached_limit(site, e)
except brozzler.browser.BrowsingAborted:
self.logger.info("{} shut down".format(browser))
except:
self.logger.critical("unexpected exception", exc_info=True)
finally:
self.logger.info("finished session brozzling site, stopping browser and disclaiming site")
browser.stop()
self._frontier.disclaim_site(site, page)
self._browser_pool.release(browser)
