def test_spider():
"""
test spider
"""
# initial fetcher / parser / saver, you also can rewrite this three class
fetcher = spider.Fetcher(max_repeat=3, sleep_time=1)
parser = spider.Parser(max_deep=2)
saver = spider.Saver(save_pipe=open("out_spider_thread.txt", "w"))
# define url_filter
url_filter = spider.UrlFilter(black_patterns=black_patterns,
white_patterns=white_patterns,
capacity=None)
# initial web_spider
web_spider = spider.WebSpider(fetcher,
parser,
saver,
url_filter=url_filter,
monitor_sleep_time=5)
# add start url
web_spider.set_start_url("http://zhushou.360.cn/", keys=("360web", ))
# start web_spider
result = web_spider.start_work_and_wait_done(fetcher_num=10, is_over=True)
# print result of web_spider
print(result[spider.TPEnum.URL_FETCH_SUCC],
result[spider.TPEnum.HTM_PARSE_SUCC],
result[spider.TPEnum.ITEM_SAVE_SUCC])
return
def test_spider_async():
"""
test asyncio spider with asyncio
"""
loop = asyncio.get_event_loop()
# initial fetcher / parser / saver, you also can rewrite this three class
fetcher = spider.FetcherAsync(max_repeat=3, sleep_time=0)
parser = spider.ParserAsync(max_deep=2)
saver = spider.SaverAsync(save_pipe=open("out_spider_async.txt", "w"))
# define url_filter
url_filter = spider.UrlFilter(black_patterns=black_patterns,
white_patterns=white_patterns,
capacity=10000)
# initial web_spider
web_spider_async = spider.WebSpiderAsync(fetcher,
parser,
saver,
url_filter=url_filter,
loop=loop)
# add start url
web_spider_async.set_start_url("http://zhushou.360.cn/", keys=("360web", ))
# start web_spider
web_spider_async.start_work_and_wait_done(fetcher_num=10)
return
def test_spider_distributed():
"""
test distributed spider
"""
# initial fetcher / parser / saver, you also can rewrite this three class
fetcher = spider.Fetcher(max_repeat=3, sleep_time=0)
parser = spider.Parser(max_deep=-1)
saver = spider.Saver(save_pipe=open("out_spider_distributed.txt", "w"))
# define url_filter
url_filter = spider.UrlFilter(black_patterns=black_patterns,
white_patterns=white_patterns)
# initial web_spider
web_spider_dist = spider.WebSpiderDist(fetcher,
parser,
saver,
url_filter=url_filter,
monitor_sleep_time=5)
web_spider_dist.init_redis(host="localhost",
port=6379,
key_wait="spider.wait",
key_all="spider.all")
# add start url
web_spider_dist.set_start_url("http://zhushou.360.cn/", keys=("360web", ))
# start web_spider
web_spider_dist.start_work_and_wait_done(fetcher_num=10)
return
def test_spider():
"""
test spider
"""
# initial fetcher / parser / saver, you also can rewrite this three classes
fetcher = spider.Fetcher(max_repeat=1, sleep_time=0)
parser = spider.Parser(max_deep=2)
saver = spider.Saver(save_pipe=open("out_thread.txt", "w"))
# define url_filter
url_filter = spider.UrlFilter(black_patterns=black_patterns,
white_patterns=white_patterns,
capacity=None)
# initial web_spider
web_spider = spider.WebSpider(fetcher,
parser,
saver,
proxieser=None,
url_filter=url_filter,
monitor_sleep_time=5)
# add start url
web_spider.set_start_url("http://zhushou.360.cn/",
priority=0,
keys={"type": "360"},
deep=0)
# start web_spider
web_spider.start_work_and_wait_done(fetcher_num=10, is_over=True)
return
def test_spider():
"""
测试函数
"""
# 初始化 fetcher / parser / saver / proxieser
fetcher = MyFetcher(sleep_time=0, max_repeat=1)
parser = MyParser(max_deep=1)
saver = MySaver(save_pipe=open("out.txt", "w"))
# proxieser = MyProxies(sleep_time=5)
# 定义url_filter
url_filter = spider.UrlFilter(white_patterns=(re.compile(r"^http[s]?://(www\.)?petstation\.jp"),), capacity=None)
# 定义爬虫web_spider
web_spider = spider.WebSpider(fetcher, parser, saver, proxieser=None, url_filter=url_filter, queue_parse_size=-1,
queue_save_size=-1)
# web_spider = spider.WebSpider(fetcher, parser, saver, proxieser=proxieser, url_filter=url_filter, queue_parse_size=100, queue_proxies_size=100)
# 添加起始的url
# web_spider.set_start_url("https://www.appinn.com/", priority=0, keys={"type": "index"}, deep=0)
web_spider.set_start_url("https://www.petstation.jp/animal_detail.php?animal__id=371144", priority=0,
keys={"type": "index"}, deep=0)
# 开启爬虫web_spider
web_spider.start_working(fetcher_num=20)
# 等待爬虫结束
web_spider.wait_for_finished()
return
def test_spider_distributed():
"""
test distributed spider
"""
# initial fetcher / parser / saver
fetcher = MyFetcher(max_repeat=1, sleep_time=0)
parser = MyParser(max_deep=-1)
saver = spider.Saver(save_pipe=open("out_distributed.txt", "w"))
# define url_filter
url_filter = spider.UrlFilter(black_patterns=black_patterns,
white_patterns=white_patterns)
# initial web_spider
web_spider_dist = spider.WebSpiderDist(fetcher,
parser,
saver,
proxieser=None,
url_filter=url_filter,
monitor_sleep_time=5)
web_spider_dist.init_redis(host="localhost",
port=6379,
key_high_priority="spider.high",
key_low_priority="spider.low")
# start web_spider
web_spider_dist.start_working(fetcher_num=10)
# wait for finished
web_spider_dist.wait_for_finished(is_over=True)
return
def test_spider_distributed():
"""
test distributed spider
"""
# 定义fetcher, parser和saver, 你也可以重写这三个类中的任何一个
fetcher = spider.Fetcher(max_repeat=3, sleep_time=0)
parser = spider.Parser(max_deep=-1)
saver = spider.Saver(save_pipe=open("out_spider_distributed.txt", "w"))
# 初始化WebSpiderDist
web_spider_dist = spider.WebSpiderDist(fetcher,
parser,
saver,
url_filter=spider.UrlFilter(),
monitor_sleep_time=5)
web_spider_dist.init_redis(host="localhost",
port=6379,
key_wait="spider.wait",
key_all="spider.all")
# 添加种子Url
web_spider_dist.set_start_url("http://zhushou.360.cn/", keys=("360web", ))
# 开始抓取任务并等待其结束
web_spider_dist.start_work_and_wait_done(fetcher_num=10)
return
def test_spider():
"""
test spider
"""
# initial fetcher / parser / saver, you also can rewrite this three class
fetcher = spider.Fetcher(max_repeat=3, sleep_time=0)
parser = spider.Parser(max_deep=2)
saver = spider.Saver(save_pipe=open("out_spider_thread.txt", "w"))
# define url_filter
black_patterns = (
spider.CONFIG_URLPATTERN_FILES,
r"binding",
r"download",
)
white_patterns = ("^http[s]{0,1}://(www\.){0,1}(zhushou\.360)\.(com|cn)", )
url_filter = spider.UrlFilter(black_patterns=black_patterns,
white_patterns=white_patterns)
# initial web_spider
web_spider = spider.WebSpider(fetcher,
parser,
saver,
url_filter=url_filter,
monitor_sleep_time=5)
# add start url
web_spider.set_start_url("http://zhushou.360.cn/", keys=("360web", ))
# start web_spider
web_spider.start_work_and_wait_done(fetcher_num=10, is_over=True)
return
def test_spider():
"""
test spider
"""
# 定义fetcher,parser和saver, 你也可以重写这三个类中的任何一个
fetcher = spider.Fetcher(normal_max_repeat=3, normal_sleep_time=0, critical_max_repeat=5, critical_sleep_time=5)
parser = spider.Parser(max_deep=1, max_repeat=2)
saver = spider.Saver(save_pipe=open("out_spider.txt", "w"))
# 定义Url过滤, UrlFilter使用Set, 适合Url数量不多的情况
black_patterns = (spider.CONFIG_URLPATTERN_FILES, r"binding", r"download", )
white_patterns = ("^http[s]{0,1}://(www\.){0,1}(wandoujia|(zhushou\.360))\.(com|cn)", )
url_filter = spider.UrlFilter(black_patterns=black_patterns, white_patterns=white_patterns, capacity=1000)
# 初始化WebSpider
web_spider = spider.WebSpider(fetcher, parser, saver, url_filter=url_filter, monitor_sleep_time=5)
# 首先抓取一次豌豆荚页面, 抓取完成之后不停止monitor
web_spider.set_start_url("http://www.wandoujia.com/apps", ("wandoujia",), priority=0, deep=0, critical=False)
web_spider.start_work_and_wait_done(fetcher_num=10, is_over=False)
# 然后抓取360应用商店页面, 抓取完成之后停止monitor
web_spider.set_start_url("http://zhushou.360.cn/", ("360app",), priority=0, deep=0, critical=False)
web_spider.start_work_and_wait_done(fetcher_num=10, is_over=True)
return
def test_spider_async():
"""
test spider with asyncio
"""
# 得到Loop
loop = asyncio.get_event_loop()
# 定义fetcher, parser和saver, 你也可以重写这三个类中的任何一个
fetcher = spider.FetcherAsync(max_repeat=3, sleep_time=0)
parser = spider.ParserAsync(max_deep=1)
saver = spider.SaverAsync(save_pipe=open("out_spider_async.txt", "w"))
# 初始化WebSpiderAsync
web_spider_async = spider.WebSpiderAsync(fetcher,
parser,
saver,
url_filter=spider.UrlFilter(),
loop=loop)
# 添加种子Url
web_spider_async.set_start_url("http://zhushou.360.cn/", keys=("360web", ))
# 开始抓取任务并等待其结束
web_spider_async.start_work_and_wait_done(fetcher_num=10)
return
def test_spider():
"""
test spider
"""
# 定义fetcher, parser和saver, 你也可以重写这三个类中的任何一个
fetcher = spider.Fetcher(max_repeat=3, sleep_time=0)
parser = spider.Parser(max_deep=1)
saver = spider.Saver(save_pipe=open("out_spider_thread.txt", "w"))
# 定义Url过滤, UrlFilter使用Set, 适合Url数量不多的情况
black_patterns = (
spider.CONFIG_URLPATTERN_FILES,
r"binding",
r"download",
)
white_patterns = ("^http[s]{0,1}://(www\.){0,1}(zhushou\.360)\.(com|cn)", )
url_filter = spider.UrlFilter(black_patterns=black_patterns,
white_patterns=white_patterns,
capacity=1000)
# 初始化WebSpider
web_spider = spider.WebSpider(fetcher,
parser,
saver,
url_filter=url_filter,
monitor_sleep_time=5)
# 添加种子Url
web_spider.set_start_url("http://zhushou.360.cn/", keys=("360web", ))
# 开始抓取任务并等待其结束
web_spider.start_work_and_wait_done(fetcher_num=10, is_over=True)
return
def test_spider():
"""
test spider
"""
# initial fetcher / parser / saver / proxieser
fetcher = MyFetcher(sleep_time=0, max_repeat=1)
parser = MyParser(max_deep=1)
saver = MySaver(save_pipe=open("out.txt", "w"))
# proxieser = MyProxies(sleep_time=5)
# define url_filter
url_filter = spider.UrlFilter(white_patterns=(re.compile(r"^http[s]?://(www\.)?appinn\.com"), ), capacity=None)
# initial web_spider
web_spider = spider.WebSpider(fetcher, parser, saver, proxieser=None, url_filter=url_filter, queue_parse_size=-1, queue_save_size=-1)
# web_spider = spider.WebSpider(fetcher, parser, saver, proxieser=proxieser, url_filter=url_filter, queue_parse_size=100, queue_proxies_size=100)
# add start url
web_spider.set_start_url("https://www.appinn.com/", priority=0, keys={"type": "index"}, deep=0)
# start web_spider
web_spider.start_working(fetcher_num=20)
# wait for finished
web_spider.wait_for_finished()
return
def test_spider():
"""
test spider
"""
# initial fetcher / parser / saver
fetcher = MyFetcher(max_repeat=3, sleep_time=1)
parser = MyParser(max_deep=3)
saver = spider.Saver(save_pipe=open("./spider/out_thread.txt", "w"))
# define url_filter
url_filter = spider.UrlFilter(black_patterns=black_patterns,
white_patterns=white_patterns,
capacity=None)
# initial web_spider
web_spider = spider.WebSpider(fetcher,
parser,
saver,
proxieser=None,
url_filter=url_filter,
max_count=10,
max_count_in_proxies=100)
# add start url
web_spider.set_start_url("http://blog.jobbole.com/all-posts/",
priority=0,
keys={},
deep=0)
# start web_spider
web_spider.start_working(fetcher_num=10)
# wait for finished
web_spider.wait_for_finished()
return
def test_spider_distributed():
"""
test distributed spider
"""
# initial fetcher / parser / saver, you also can rewrite this three class
fetcher = spider.Fetcher(max_repeat=3, sleep_time=0)
parser = spider.Parser(max_deep=-1)
saver = spider.Saver(save_pipe=open("out_spider_distributed.txt", "w"))
# define url_filter
url_filter = spider.UrlFilter(black_patterns=black_patterns,
white_patterns=white_patterns)
# initial web_spider
web_spider_dist = spider.WebSpiderDist(fetcher,
parser,
saver,
url_filter=url_filter,
monitor_sleep_time=5)
web_spider_dist.init_redis(host="localhost",
port=6379,
key_high_priority="spider.high",
key_low_priority="spider.low")
# start web_spider
web_spider_dist.start_work_and_wait_done(fetcher_num=10)
return
def test_spider():
"""
test spider
"""
# initial fetcher / parser / saver / proxieser
fetcher = MyFetcher(sleep_time=1, max_repeat=0)
parser = MyParser(max_deep=2)
saver = MySaver(save_pipe=open("out_thread.txt", "w"))
# proxieser = MyProxies(sleep_time=5)
# define url_filter
url_filter = spider.UrlFilter(black_patterns=black_patterns, white_patterns=white_patterns, capacity=None)
# initial web_spider
web_spider = spider.WebSpider(fetcher, parser, saver, proxieser=None, url_filter=url_filter, queue_parse_size=-1)
# web_spider = spider.WebSpider(fetcher, parser, saver, proxieser=None, url_filter=url_filter, queue_parse_size=100, queue_proxies_size=100)
# add start url
web_spider.set_start_url("http://zhushou.360.cn/", priority=0, keys={"type": "360"}, deep=0)
# start web_spider
web_spider.start_working(fetcher_num=20)
# wait for finished
web_spider.wait_for_finished()
return
def test_spider_async():
"""
test spider with asyncio
"""
web_spider_async = spider.WebSpiderAsync(url_filter=spider.UrlFilter())
web_spider_async.set_start_url("http://zhushou.360.cn/")
web_spider_async.start_work_and_wait_done()
return
def get_douban_movies():
headers = {
"User-Agent":
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.98 Safari/537.36",
"Host": "movie.douban.com",
"Accept":
"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
"Accept-Encoding": "gzip, deflate, sdch, br",
"Accept-Language": "zh-CN, zh; q=0.8, en; q=0.6",
"Cache-Control": "max-age=0",
"Connection": "keep-alive",
"Upgrade-Insecure-Requests": "1",
"Cookie": "bid=Pd48iLTpsf8"
}
# 获取初始url
all_urls = set()
resp = requests.get("https://movie.douban.com/tag/",
headers=headers,
verify=False)
assert resp.status_code == 200, resp.status_code
soup = BeautifulSoup(resp.text, "html5lib")
a_list = soup.find_all("a",
href=re.compile(r"^/tag/", flags=re.IGNORECASE))
all_urls.update([(a_soup.get_text(),
"https://movie.douban.com" + a_soup.get("href"))
for a_soup in a_list])
resp = requests.get("https://movie.douban.com/tag/?view=cloud",
headers=headers,
verify=False)
assert resp.status_code == 200, resp.status_code
soup = BeautifulSoup(resp.text, "html5lib")
a_list = soup.find_all("a",
href=re.compile(r"^/tag/", flags=re.IGNORECASE))
all_urls.update([(a_soup.get_text(),
"https://movie.douban.com" + a_soup.get("href"))
for a_soup in a_list])
# 构造爬虫
dou_spider = spider.WebSpider(MovieFetcher(),
MovieParser(max_deep=-1, max_repeat=1),
MovieSaver(open("doubanmovie.txt", "w")),
spider.UrlFilter())
# dou_spider.set_start_url("https://movie.douban.com/tag/新海诚", ("index", "test"), priority=0, critical=False)
for tag, url in all_urls:
dou_spider.set_start_url(url, ("index", tag),
priority=1,
critical=True)
pass
dou_spider.start_work_and_wait_done(fetcher_num=20)
return
def test_spider(mysql, spider_type):
"""
test spider
"""
# 定义fetcher, parser和saver, 你也可以重写这三个类中的任何一个
fetcher = spider.Fetcher(normal_max_repeat=3, normal_sleep_time=0, critical_max_repeat=5, critical_sleep_time=5)
# parser = spider.Parser(max_deep=1, max_repeat=2)
parser = MyParser(max_deep=1, max_repeat=2)
# 定义Url过滤
black_patterns = (spider.CONFIG_URLPATTERN_FILES, r"binding", r"download", )
white_patterns = ("^http[s]{0,1}://(www\.){0,1}(wandoujia|(zhushou\.360)|duba_\d)\.(com|cn)", )
if not mysql:
saver = spider.Saver(save_pipe=open("out.txt", "w", encoding="utf-8"))
# UrlFilter, 使用Set, 适合Url数量不多的情况
url_filter = spider.UrlFilter(black_patterns=black_patterns, white_patterns=white_patterns, capacity=None)
else:
saver = spider.SaverMysql(host="localhost", user="******", passwd="123456", database="default")
saver.change_sqlstr("insert into t_test(url, title, getdate) values (%s, %s, %s);")
# UrlFilter, 使用BloomFilter, 适合Url数量巨大的情况
url_filter = spider.UrlFilter(black_patterns=black_patterns, white_patterns=white_patterns, capacity=10000)
# 确定使用ThreadPool还是ProcessPool
if spider_type == "thread":
web_spider = spider.WebSpiderT(fetcher, parser, saver, url_filter=url_filter, monitor_sleep_time=5)
else:
web_spider = spider.WebSpiderP(fetcher, parser, saver, url_filter=url_filter, monitor_sleep_time=5)
parser_num = 1 if spider_type == "thread" else 3
# 首先抓取一次豌豆荚页面,抓取完成之后不停止monitor
web_spider.set_start_url("http://www.wandoujia.com/apps", ("wandoujia",), priority=0, deep=0, critical=False)
web_spider.start_work_and_wait_done(fetcher_num=10, parser_num=parser_num, is_over=False)
# 然后抓取360应用商店页面,并试验critical参数的作用,抓取完成之后停止monitor
web_spider.set_start_url("http://zhushou.360.cn/", ("360app",), priority=0, deep=0, critical=False)
for i in range(5):
web_spider.set_start_url("https://www.duba_%d.com/" % i, ("critical",), priority=0, deep=0, critical=True)
web_spider.start_work_and_wait_done(fetcher_num=10, parser_num=parser_num, is_over=True)
return
def get_douban_movies():
headers = {
"User-Agent":
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.98 Safari/537.36",
"Host":
"movie.douban.com",
"Accept":
"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
"Accept-Encoding":
"gzip, deflate, sdch, br",
"Accept-Language":
"zh-CN, zh; q=0.8, en; q=0.6",
"Cache-Control":
"max-age=0",
"Connection":
"keep-alive",
"Upgrade-Insecure-Requests":
"1",
"Cookie":
'bid=TWn93lyonNk; ll="118254"; gr_user_id=118696be-aa6a-42e9-a20f-932c29fcddac; viewed="5333562_5948760_4736118_4241826_1495763_1433583_2124114_6430747_24335672"; ps=y; _pk_ref.100001.8cb4=%5B%22%22%2C%22%22%2C1490076711%2C%22https%3A%2F%2Fmovie.douban.com%2Fsubject%2F1292052%2Freviews%22%5D; _ga=GA1.2.1671303578.1469101452; ue="*****@*****.**"; dbcl2="33045345:gXYCq8g9sy4"; ck=5VGo; __utmt=1; _vwo_uuid_v2=98306AEEC1B83E40741FF0A8A58DC180|c5bbf2b10ddb9854ac614269b546a464; ap=1; push_noty_num=0; push_doumail_num=0; _pk_id.100001.8cb4=88a4be0bc4943075.1469262289.53.1490077859.1490064764.; _pk_ses.100001.8cb4=*; __utma=30149280.1671303578.1469101452.1490062608.1490076712.73; __utmb=30149280.16.10.1490076712; __utmc=30149280; __utmz=30149280.1489996683.69.35.utmcsr=google|utmccn=(organic)|utmcmd=organic|utmctr=(not%20provided); __utmv=30149280.3304'
}
# 获取初始url
all_urls = set()
resp = requests.get("https://movie.douban.com/tag/",
headers=headers,
verify=False)
assert resp.status_code == 200, resp.status_code
soup = BeautifulSoup(resp.text, "html5lib")
a_list = soup.find_all("a",
href=re.compile(r"^/tag/", flags=re.IGNORECASE))
all_urls.update([(a_soup.get_text(),
"https://movie.douban.com" + a_soup.get("href"))
for a_soup in a_list])
# resp = requests.get("https://movie.douban.com/tag/?view=cloud", headers=headers, verify=False)
# assert resp.status_code == 200, resp.status_code
# soup = BeautifulSoup(resp.text, "html5lib")
# a_list = soup.find_all("a", href=re.compile(r"^/tag/", flags=re.IGNORECASE))
# all_urls.update([(a_soup.get_text(), "https://movie.douban.com" + a_soup.get("href")) for a_soup in a_list])
logging.warning("all urls: %s", len(all_urls))
# 构造爬虫
dou_spider = spider.WebSpider(MovieFetcher(), MovieParser(max_deep=-1),
spider.Saver(), spider.UrlFilter())
for tag, url in all_urls:
print(tag + ":" + url)
dou_spider.set_start_url(url, ("index", tag), priority=1)
dou_spider.start_work_and_wait_done(fetcher_num=20)
return
def get_douban_movies():
headers = {
"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.98 Safari/537.36",
"Host": "movie.douban.com",
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
"Accept-Encoding": "gzip, deflate, sdch, br",
"Accept-Language": "zh-CN, zh; q=0.8, en; q=0.6",
"Cache-Control": "max-age=0",
"Connection": "keep-alive",
"Upgrade-Insecure-Requests": "1",
"Cookie": "bid=Pd48iLTpsf8"
}
# 获取初始url
all_urls = set()
resp = requests.get("https://movie.douban.com/tag/", headers=headers, verify=False)
assert resp.status_code == 200, resp.status_code
soup = BeautifulSoup(resp.text, "html5lib")
a_list = soup.find_all("a", href=re.compile(r"^/tag/", flags=re.IGNORECASE))
all_urls.update([(a_soup.get_text(), "https://movie.douban.com" + a_soup.get("href")) for a_soup in a_list])
resp = requests.get("https://movie.douban.com/tag/?view=cloud", headers=headers, verify=False)
assert resp.status_code == 200, resp.status_code
soup = BeautifulSoup(resp.text, "html5lib")
a_list = soup.find_all("a", href=re.compile(r"^/tag/", flags=re.IGNORECASE))
all_urls.update([(a_soup.get_text(), "https://movie.douban.com" + a_soup.get("href")) for a_soup in a_list])
logging.warning("all urls: %s", len(all_urls))
# 查询已有数据
conn = pymysql.connect(host="xx.xx.xx.xx", user="******", password="", db="db_my", charset="utf8")
cursor = conn.cursor()
cursor.execute("select m_url from t_doubanmovies;")
bloomfilter = spider.UrlFilter()
bloomfilter.update([item[0] for item in cursor.fetchall()])
logging.warning("update bloomfilter success: %s", cursor.rowcount)
cursor.close()
conn.close()
# 构造爬虫
dou_spider = spider.WebSpider(MovieFetcher(), MovieParser(max_deep=-1, max_repeat=1), MovieSaver(), bloomfilter)
for tag, url in all_urls:
dou_spider.set_start_url(url, ("index", tag), priority=1, critical=True)
dou_spider.start_work_and_wait_done(fetcher_num=20)
return
def test_spider_async():
"""
test spider with asyncio
"""
# 初始化WebSpiderAsync
web_spider_async = spider.WebSpiderAsync(max_repeat=3,
sleep_time=0,
max_deep=1,
save_pipe=open(
"out_spider_async.txt", "w"),
url_filter=spider.UrlFilter())
# 添加种子Url
web_spider_async.set_start_url("http://zhushou.360.cn/")
# 开始抓取任务并等待其结束
web_spider_async.start_work_and_wait_done(fetcher_num=10)
return
def test_spider():
"""
测试函数
"""
# 初始化 fetcher / parser / saver / proxieser
fetcher = MyFetcher(sleep_time=0, max_repeat=1)
parser = MyParser(max_deep=1)
saver = MySaver(save_pipe=open("out.txt", "w"))
# proxieser = MyProxies(sleep_time=5)
# 定义url_filter
url_filter = spider.UrlFilter(
white_patterns=(re.compile(r"^http[s]?://docs\.rsshub\.app"), ),
capacity=None)
# 定义爬虫web_spider
web_spider = spider.WebSpider(fetcher,
parser,
saver,
proxieser=None,
url_filter=url_filter,
queue_parse_size=-1,
queue_save_size=-1)
# web_spider = spider.WebSpider(fetcher, parser, saver, proxieser=proxieser, url_filter=url_filter, queue_parse_size=100, queue_proxies_size=100)
# 添加起始的url
web_spider.set_start_url("https://docs.rsshub.app/",
priority=0,
keys={"type": "index"},
deep=0)
# 开启爬虫web_spider
web_spider.start_working(fetchers_num=20)
# 等待爬虫结束
web_spider.wait_for_finished()
return
def test_spider():
"""
测试函数
"""
# 初始化 fetcher / parser / saver / proxieser
fetcher = MyFetcher(sleep_time=1, max_repeat=3)
parser = MyParser(max_deep=1)
saver = MySaver(save_pipe=open("out.txt", "w"))
# proxieser = MyProxies(sleep_time=5)
# 定义url_filter
url_filter = spider.UrlFilter(
white_patterns=(re.compile(r"^https?://www\.appinn\.com"), ))
# 定义爬虫web_spider
web_spider = spider.WebSpider(fetcher,
parser,
saver,
url_filter=url_filter,
queue_parse_size=-1,
queue_save_size=-1)
# web_spider = spider.WebSpider(fetcher, parser, saver, proxieser=proxieser, queue_parse_size=100, queue_proxies_size=100)
# 添加起始的Task
web_spider.set_start_task(
spider.TaskFetch(priority=0,
keys={"type": "index"},
deep=0,
url="https://www.appinn.com/"))
# 开启爬虫web_spider
web_spider.start_working(fetchers_num=5)
# 等待爬虫结束
web_spider.wait_for_finished()
return
def test_spider_async():
"""
test asyncio spider with asyncio
"""
# 得到Loop
loop = asyncio.get_event_loop()
# 定义fetcher, parser和saver, 你也可以重写这三个类中的任何一个
fetcher = spider.FetcherAsync(max_repeat=3, sleep_time=0)
parser = spider.ParserAsync(max_deep=1)
saver = spider.SaverAsync(save_pipe=open("out_spider_async.txt", "w"))
# 定义Url过滤, UrlFilter使用BloomFilter, 适合Url数量较多的情况
black_patterns = (
spider.CONFIG_URLPATTERN_FILES,
r"binding",
r"download",
)
white_patterns = ("^http[s]{0,1}://(www\.){0,1}(zhushou\.360)\.(com|cn)", )
url_filter = spider.UrlFilter(black_patterns=black_patterns,
white_patterns=white_patterns,
capacity=10000)
# 初始化WebSpiderAsync
web_spider_async = spider.WebSpiderAsync(fetcher,
parser,
saver,
url_filter=url_filter,
loop=loop)
# 添加种子Url
web_spider_async.set_start_url("http://zhushou.360.cn/", keys=("360web", ))
# 开始抓取任务并等待其结束
web_spider_async.start_work_and_wait_done(fetcher_num=10)
return
