def page_recvd((url, text)):
try:
spider.add_page(url, text)
except SpiderIsFull:
if not defer_fired:
defer_fired.append(None)
pages_d.callback(spider.get_crawled())
return
urls = spider.give_all_jobs()
# draw a point
sys.stdout.write('.')
sys.stdout.flush()
for url in urls:
next_d = get_page(str(url), enc=encoding, timeout=timeout)
next_d.addCallback(page_recvd)
next_d.addErrback(on_err)
def page_recvd((url, text)):
try:
spider.add_page(url, text)
except SpiderIsFull:
if not defer_fired:
defer_fired.append(None)
pages_d.callback(spider.get_crawled())
return
urls = spider.give_all_jobs()
# draw a point
sys.stdout.write('.')
sys.stdout.flush()
for url in urls:
next_d = get_page(str(url), enc=encoding, timeout=timeout)
next_d.addCallback(page_recvd)
next_d.addErrback(on_err)
def crawl_pages(start_page, url_matcher, encoding, timeout, max_num, parser):
pages_d = defer.Deferred()
spider = PageSpider(url_matcher, max_num)
spider.parser = parser
def on_err(errobj):
evalue = errobj.value
if isinstance(evalue, tuple) and len(evalue) == 2:
url, reason = evalue
spider.fail_page(url)
defer_fired = []
def page_recvd((url, text)):
try:
spider.add_page(url, text)
except SpiderIsFull:
if not defer_fired:
defer_fired.append(None)
pages_d.callback(spider.get_crawled())
return
urls = spider.give_all_jobs()
# draw a point
sys.stdout.write('.')
sys.stdout.flush()
for url in urls:
next_d = get_page(str(url), enc=encoding, timeout=timeout)
next_d.addCallback(page_recvd)
next_d.addErrback(on_err)
# initial crawl
d = get_page(start_page, enc=encoding, timeout=timeout, must_succ=True)
d.addCallback(page_recvd)
d.addErrback(on_err)
return pages_d # defer that will callback with pages
def crawl_pages(start_page, url_matcher, encoding, timeout, max_num, parser):
pages_d = defer.Deferred()
spider = PageSpider(url_matcher, max_num)
spider.parser = parser
def on_err(errobj):
evalue = errobj.value
if isinstance(evalue, tuple) and len(evalue) == 2:
url, reason = evalue
spider.fail_page(url)
defer_fired = []
def page_recvd((url, text)):
try:
spider.add_page(url, text)
except SpiderIsFull:
if not defer_fired:
defer_fired.append(None)
pages_d.callback(spider.get_crawled())
return
urls = spider.give_all_jobs()
# draw a point
sys.stdout.write('.')
sys.stdout.flush()
for url in urls:
next_d = get_page(str(url), enc=encoding, timeout=timeout)
next_d.addCallback(page_recvd)
next_d.addErrback(on_err)
# initial crawl
d = get_page(start_page, enc=encoding, timeout=timeout, must_succ=True)
d.addCallback(page_recvd)
d.addErrback(on_err)
return pages_d # defer that will callback with pages
