def test_scrape_all_links_from_all_pages_in_same_domain_for_given_start_url(
self):
link_scraper = mock()
crawler_rules = mock()
mock_writer = mock()
when(link_scraper).scrape_links("http://samplepage.com").thenReturn([
Link(url="/about",
label="About",
parent_url="http://samplepage.com")
])
when(link_scraper).scrape_links(
"http://samplepage.com/about").thenReturn([])
when(crawler_rules).apply_rules([
Link(url="/about",
label="About",
parent_url="http://samplepage.com")
]).thenReturn([
Link(url="/about",
label="About",
parent_url="http://samplepage.com")
])
when(crawler_rules).apply_rules([]).thenReturn([])
spider = Spider(link_scraper, crawler_rules)
expected_links = {
"page_url":
"http://samplepage.com",
"child_links": [{
"page_url": "http://samplepage.com/about",
"child_links": []
}]
}
links = spider.scrape("http://samplepage.com", mock_writer)
self.assertEquals(expected_links, links)
def test_absolute_url_not_same_as_the_given_url(self):
link = Link("http://www.another.com/microsite",
"A link",
parent_url="")
has_same_parent = link.has_same_parent("http://www.apage.com/")
self.assertFalse(has_same_parent)
def test_parse_multiple_links_on_different_levels_in_html_page(self):
parsed_links = html_parser.parse(
links_parser,
"""<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head><title></title></head>
<body>
<p>Some test<a href="http://somelink.com">SomeLink</a>
and also <a target="_blank" href="http://anotherlink.com">AnotherLink</a></p>
<div>
<p>There is some text here with a link in another div
<div><a href="http://adeeperlink.com">Deep</a></div>
</p>
</div>
</body>
</html>""")
self.assertEquals(3, len(parsed_links))
self.assertEquals(
Link(url="http://somelink.com",
label="SomeLink",
parent_url=parent_url), parsed_links[0])
self.assertEquals(
Link(url="http://anotherlink.com",
label="AnotherLink",
parent_url=parent_url), parsed_links[1])
self.assertEquals(
Link(url="http://adeeperlink.com",
label="Deep",
parent_url=parent_url), parsed_links[2])
def test_links_with_same_url_different_labels_are_unequal(self):
link = Link("http://thisurl.com", "A link", parent_url="")
another_link = Link("http://thisurl.com",
"Something else",
parent_url="")
self.assertNotEqual(another_link, link)
def test_url_is_not_same_as_given_url(self):
link = Link("http://www.friendpage.com",
"A link",
parent_url="http://www.apage.com")
is_same = link.is_same_as("http://www.somethingrandom.com")
self.assertFalse(is_same)
def test_get_url_returns_include_parent_base_url_for_a_relative_url(self):
link = Link("/something",
"A link",
parent_url="http://www.apage.com/someplace/whatever")
url = link.get_url()
self.assertEquals("http://www.apage.com/something", url)
def test_url_does_not_have_same_parent_path_as_the_given_url(self):
link = Link("/microsite/about",
"A link",
parent_url="http://www.apage.com")
has_same_parent = link.has_same_parent(
"http://www.apage.com/anothermicrosite")
self.assertFalse(has_same_parent)
def test_url_with_deeper_path_has_parent_path_as_the_given_url(self):
link = Link("/microsite/blog/anotherplace/about/specific",
"A link",
parent_url="http://www.apage.com")
has_same_parent = link.has_same_parent(
"http://www.apage.com/microsite")
self.assertTrue(has_same_parent)
def __init__(self, config={}):
if 'url_list' not in config.keys():
raise Exception('I will need a list of urls to work')
self.link = Link()
#self.kafka = MyKafka('NOTHS-crawler-topic')
self.config['url_list'] = config['url_list']
self.start()
def test_url_having_same_hostname_as_the_given_url_belongs_to_same_domain(
self):
link = Link("http://www.friendpage.com",
"A link",
parent_url="http://www.apage.com")
is_same_domain = link.is_same_domain("http://www.friendpage.com")
self.assertTrue(is_same_domain)
def test_url_is_same_as_given_url(self):
link = Link("http://www.friendpage.com",
"A link",
parent_url="http://www.apage.com")
is_same = link.is_same_as("http://www.friendpage.com")
self.assertTrue(is_same)
def test_url_with_diffent_hostname_than_the_given_url_does_not_belong_to_same_domain(
self):
link = Link("http://www.friendpage.com",
"A link",
parent_url="http://www.apage.com")
is_same_domain = link.is_same_domain("http://www.someotherpage.com")
self.assertFalse(is_same_domain)
def test_url_has_parent_path_as_the_given_url(self):
link = Link("/microsite/about",
"A link",
parent_url="http://www.apage.com")
has_same_parent = link.has_same_parent(
"http://www.apage.com/microsite")
self.assertTrue(has_same_parent)
def test_return_empty_list_when_none_match(self):
filter = SameHierarcyUrlFilter("http://www.somepage.com/microsite")
non_matching_link1 = Link(url='/somethingelse/privacy', label="Privacy", parent_url="http://www.somepage.com")
non_matching_link2 = Link(url='/blog/hello', label="Blog", parent_url="http://www.somepage.com")
non_matching_link3 = Link(url='/intl/de/policies/terms/', label="Terms", parent_url="http://www.somepage.com")
filtered_links = filter.filter_links([non_matching_link1, non_matching_link2, non_matching_link3])
self.assertEquals(0, len(filtered_links))
def test_links_with_same_urls_labels_parent_urls_are_equal(self):
link = Link(url="http://thisurl.com",
label="A link",
parent_url="http://anotherlink.com")
another_link = Link("http://thisurl.com",
"A link",
parent_url="http://anotherlink.com")
self.assertEquals(another_link, link)
def test_filter_urls_that_match_parent_path_with_given_url(self):
filter = SameHierarcyUrlFilter("http://www.somepage.com/microsite")
matching_link1 = Link(url='/microsite/privacy', label="Privacy", parent_url="http://www.somepage.com")
matching_link2 = Link(url='/microsite/blog/hello', label="Blog", parent_url="http://www.somepage.com")
non_matching_link = Link(url='/intl/de/policies/terms/', label="Terms", parent_url="http://www.somepage.com")
filtered_links = filter.filter_links([matching_link1, matching_link2, non_matching_link])
self.assertEquals(2, len(filtered_links))
self.assertCountEqual([matching_link1, matching_link2], filtered_links)
def test_return_empty_when_no_urls_have_same_domain(self):
filter = SameDomainUrlFilter("http://google.com")
link1InDifferentDomain = Link(url='http://www.facebook.com', label="Terms", parent_url="http://google.com")
link2InDifferentDomain = Link(url='http://www.youtube.com/?gl=DE&tab=w1', label="Video", parent_url="http://google.com")
links = [
link1InDifferentDomain,
link2InDifferentDomain
]
filtered_links = filter.filter_links(links)
self.assertEquals(0, len(filtered_links))
def test_returns_urls_that_satifies_all_filters(self):
mock_filter1 = mock()
mock_filter2 = mock()
filters = [mock_filter1, mock_filter2]
links = [Link(url = "", label="", parent_url=""), Link(url = "", label="", parent_url="")]
when(mock_filter1).filter_links(links).thenReturn(links)
when(mock_filter2).filter_links(links).thenReturn(links)
rule = CrawlerRules(filters)
filtered_links = rule.apply_rules(links)
self.assertEquals(2, len(filtered_links))
self.assertCountEqual(links, filtered_links)
def test_return_empty_when_all_urls_are_duplicate(self):
filter = DuplicateUrlFilter("http://google.com")
linkRepeated1 = Link(url='http://google.com', label="Terms", parent_url="http://google.com")
linkRepeated2 = Link(url='/', label="Video", parent_url="http://google.com")
links = [
linkRepeated1,
linkRepeated2,
]
filtered_links = filter.filter_links(links)
self.assertEquals(0, len(filtered_links))
def test_filter_url_based_on_given_domain(self):
filter = SameDomainUrlFilter("http://google.com")
link1InSameDomain = Link(url='/intl/de/policies/privacy/', label="Privacy", parent_url="http://google.com")
link2InSameDomain = Link(url='/intl/de/policies/terms/', label="Terms", parent_url="http://google.com")
linkInDifferentDomain = Link(url='http://www.youtube.com/?gl=DE&tab=w1', label="Video", parent_url="http://google.com")
links = [
link1InSameDomain,
link2InSameDomain,
linkInDifferentDomain
]
filtered_links = filter.filter_links(links)
self.assertEquals(2, len(filtered_links))
self.assertCountEqual([link2InSameDomain, link1InSameDomain], filtered_links)
def test_parse_multiple_links_in_html_page(self):
parsed_links = html_parser.parse(
links_parser,
'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title></title></head><body><p>Some test<a href="http://somelink.com">SomeLink</a> and also <a href="http://anotherlink.com">AnotherLink</a></p></body></html>'
)
self.assertEquals(2, len(parsed_links))
self.assertEquals(
Link(url="http://somelink.com",
label="SomeLink",
parent_url=parent_url), parsed_links[0])
self.assertEquals(
Link(url="http://anotherlink.com",
label="AnotherLink",
parent_url=parent_url), parsed_links[1])
def test_return_empty_when_no_urls_match_the_rules(self):
mock_filter1 = mock()
mock_filter2 = mock()
filters = [mock_filter1, mock_filter2]
unsatifying_link1 = Link(url = "", label="", parent_url="")
unsatifying_link2 = Link(url = "", label="", parent_url="")
links = [unsatifying_link1, unsatifying_link2]
when(mock_filter1).filter_links(links).thenReturn([])
when(mock_filter2).filter_links([]).thenReturn([])
rule = CrawlerRules(filters)
filtered_links = rule.apply_rules(links)
self.assertEquals(0, len(filtered_links))
def test_remove_urls_same_as_given_url(self):
filter = DuplicateUrlFilter("http://google.com")
linkRepeated1 = Link(url='http://google.com', label="Terms", parent_url="http://google.com")
linkRepeated2 = Link(url='/', label="Video", parent_url="http://google.com")
anotherLink = Link(url='http://www.facebook.com', label="Terms", parent_url="http://google.com")
links = [
linkRepeated1,
linkRepeated2,
anotherLink
]
filtered_links = filter.filter_links(links)
self.assertEquals(1, len(filtered_links))
self.assertCountEqual([anotherLink], filtered_links)
def test_pass_filtered_urls_from_one_filter_to_the_next_one(self):
mock_filter1 = mock()
mock_filter2 = mock()
filters = [mock_filter1, mock_filter2]
link = Link(url = "", label="", parent_url="")
link2 = Link(url = "", label="", parent_url="")
link_unsatisfying_filter1 = Link(url = "", label="", parent_url="")
links = [link, link2, link_unsatisfying_filter1]
when(mock_filter1).filter_links(links).thenReturn([link, link2])
when(mock_filter2).filter_links([link, link2]).thenReturn([link])
rule = CrawlerRules(filters)
filtered_links = rule.apply_rules(links)
self.assertEquals(1, len(filtered_links))
self.assertCountEqual([link], filtered_links)
def test_remove_url_that_dont_satisfy_even_one_filter(self):
mock_filter1 = mock()
mock_filter2 = mock()
filters = [mock_filter1, mock_filter2]
link = Link(url = "", label="", parent_url="")
unsatifying_link = Link(url = "", label="", parent_url="")
links = [link, unsatifying_link]
when(mock_filter1).filter_links(links).thenReturn(links)
when(mock_filter2).filter_links(links).thenReturn([link])
rule = CrawlerRules(filters)
filtered_links = rule.apply_rules(links)
self.assertEquals(1, len(filtered_links))
self.assertCountEqual([link], filtered_links)
def test_create_link_with_label(self):
lb = LinkBuilder("")
link = lb.create_new("http://aurl.com").with_label("A Link")
link = lb.build()
self.assertEquals(
Link(url="http://aurl.com", label="A Link", parent_url=""), link)
def __init__(self, config={}):
if 'url_list' not in config.keys():
raise Exception('I will need a list of urls to work')
self.link = Link()
#self.kafka = MyKafka('NOTHS-crawler-topic')
self.config['url_list'] = config['url_list']
self.start()
def test_scrape_ignores_links_that_fail_the_rules(self):
link_scraper = mock()
crawler_rules = mock()
mock_writer = mock()
same_domain_links1 = [
Link(url="/about",
label="About",
parent_url="http://samplepage.com")
]
when(link_scraper).scrape_links("http://samplepage.com").thenReturn(
same_domain_links1)
when(link_scraper).scrape_links(
"http://samplepage.com/about").thenReturn([
Link(url="http://anotherdoamin.com",
label="External",
parent_url="http://samplepage.com/about")
])
when(link_scraper).scrape_links("http://anotherdoamin.com").thenReturn(
[
Link(url="/anotherabout",
label="External About",
parent_url="http://anotherdoamin.com")
])
when(link_scraper).scrape_links(
"http://anotherdoamin.com/anotherabout").thenReturn([])
when(crawler_rules).apply_rules(same_domain_links1).thenReturn(
same_domain_links1)
when(crawler_rules).apply_rules(neq(same_domain_links1)).thenReturn([])
spider = Spider(link_scraper, crawler_rules)
expected_links = {
"page_url":
"http://samplepage.com",
"child_links": [{
"page_url": "http://samplepage.com/about",
"child_links": []
}]
}
links = spider.scrape("http://samplepage.com", mock_writer)
self.assertEquals(expected_links, links)
class LinkItemTestCase(unittest.TestCase):
def setUp(self):
self.item = Item('img', r'(?P<img><img [^>]+?>)')
self.link = Link('movie.douban', 'http://movie.douban.com/', [self.item])
def test_register_funcs(self):
def cf(one):
print one
return one
self.link.register_funcs([cf])
self.assertTrue(cf in self.item.clean_funcs)
def test_fetch(self):
results = self.link.fetch()
douban_logo = '<img style="top: -5px; position: relative;" src="http://img3.douban.com/pics/site/icon_site_beta.gif"/>'
self.assertIn('img', results)
movie = results['img']
self.assertIn(douban_logo, [m['img'] for m in movie])
def test_return_created_link_from_existing_transaction_on_commit(self):
expected_link = Link(url="/about",
label="About",
parent_url="http://something.com")
mock_link_builder = mock()
when(mock_link_builder).create_new("/about").thenReturn(
mock_link_builder)
when(mock_link_builder).build().thenReturn(expected_link)
tag_parser = LinkTagParser(mock_link_builder)
tag_parser.create_transaction("a", [('href', '/about')])
link = tag_parser.commit("a")
self.assertEquals(expected_link, link)
def test_parse_all_links_using_links_tag_parser_in_page_for_the_given_url(
self):
page_url = "http://asamplepage.com"
html_content = "An html page with links"
page_links = [
Link(url="/about",
label="A link",
parent_url="http://asamplepage.com"),
Link("http://aurl.com",
"A link",
parent_url="http://asamplepage.com")
]
mock_client = mock()
mock_parser = mock()
when(mock_client).get_html_page(page_url).thenReturn(html_content)
when(mock_parser).parse(ANY(LinkTagParser),
eq(html_content)).thenReturn(page_links)
scraper = LinkScraper(mock_client, mock_parser)
links = scraper.scrape_links(page_url)
self.assertEquals(2, len(links))
self.assertCountEqual(page_links, links)
def test_scrape_do_not_scrape_same_url_again(self):
link_scraper = mock()
crawler_rules = mock()
mock_writer = mock()
same_domain_links1 = [
Link(url="/about",
label="About",
parent_url="http://samplepage.com")
]
same_domain_links_repeated = [
Link(url="http://samplepage.com",
label="Home",
parent_url="http://samplepage.com/about")
]
when(link_scraper).scrape_links("http://samplepage.com").thenReturn(
same_domain_links1)
when(link_scraper).scrape_links(
"http://samplepage.com/about").thenReturn(
same_domain_links_repeated)
when(crawler_rules).apply_rules(same_domain_links1).thenReturn(
same_domain_links1)
when(crawler_rules).apply_rules(same_domain_links_repeated).thenReturn(
same_domain_links_repeated)
spider = Spider(link_scraper, crawler_rules)
expected_links = {
"page_url":
"http://samplepage.com",
"child_links": [{
"page_url": "http://samplepage.com/about",
"child_links": []
}]
}
links = spider.scrape("http://samplepage.com", mock_writer)
self.assertEquals(expected_links, links)
def setUp(self):
self.item = Item('img', r'(?P<img><img [^>]+?>)')
self.link = Link('movie.douban', 'http://movie.douban.com/', [self.item])
class Parse(Link, MyKafka):
config = {}
def __init__(self, config={}):
if 'url_list' not in config.keys():
raise Exception('I will need a list of urls to work')
self.link = Link()
#self.kafka = MyKafka('NOTHS-crawler-topic')
self.config['url_list'] = config['url_list']
self.start()
def start(self):
# try:
for url in self.config['url_list']:
self.base_url = url
bsojb = self.__getBSObj(url)
if re.search(r'personalcreations', url):
self.personalcreations(bsojb)
elif re.search(r'tierneyphotography', url):
self.tierneyphotography(bsojb)
else:
print('still need method for', url)
# except:
# print('Unable to open ', url)
def personalcreations(self, bsOjb):
category_links = self.link.find_with_class(bsOjb, 'dropDownNavLI ', 'li')
threads = []
for category_link in category_links:
self.link.addLink(category_link, 'category_link')
#start treads
t = Thread(target=self.__collect_product_links, args=(category_link[1], 'name', 'div', category_link[0]))
threads.append(t)
for t in threads:
t.start()
for t in threads:
t.join()
product_threads = []
for item in self.__split({i: self.link.linkList[i] for i in self.link.linkList}, 200):
t = Thread(target=self.__collect_send_product_detail, args=(item,
{'product': {'class': 'productTitle',
'tag': 'span'},
'price': {'class': 'mainPrice_MinSalePrice',
'alter_class': 'mainPrice_SalePrice',
'tag': 'span'
},
'desc': {'class': 'ProductInfoText',
'tag': 'div'
}
})
)
product_threads.append(t)
for t in product_threads:
t.start()
def __getBSObj(self, url, retries=0):
if retries >= 3: return
try:
rg = re.compile("^(http|www)")
if rg.match(url):
r = requests.get(url).text.encode('ascii', 'ignore')
else:
r = requests.get(self.base_url + url).text.encode('ascii', 'ignore')
bsObj = BS(r, "html.parser")
return bsObj
except:
print('getBSObj Err - retry:', url )
retries += 1
self.__getBSObj(url, retries)
def __collect_product_links(self, link, class_, tag, product_category):
print('starting thread ..', link)
bsObj = self.__getBSObj(link)
products_links = self.link.find_with_class(bsObj, class_, tag)
for products_link in products_links:
self.link.addLink(products_link, 'product_link', product_category)
def __split(self, data, SIZE=10000):
it = iter(data)
for i in range(0, len(data), SIZE):
yield {k: data[k] for k in islice(it, SIZE)}
def __collect_send_product_detail(self, links, args):
print('starting thread ..', links)
for k, v in links.items():
if v['group'] is 'product_link':
bsObj = self.__getBSObj(v['link'])
dlink = v['link'].replace(',', '')
dgroup = v['group']
dcategory = v['category'] if 'category' in v else ''
#getprice
for price in bsObj.find_all(args['price']['tag'], {'class': args['price']['class']}, 'visible'):
dprice = price.text.replace(',', '')
if not dprice:
for price in bsObj.find_all(args['price']['tag'], {'class': args['price']['alter_class']}, 'visible'):
dprice = price.text.replace(',', '')
#gettitle
for product in bsObj.find_all(args['product']['tag'], {'class': args['product']['class']}, 'visible'):
dproduct = product.text.replace(',', '')
#getdesc
for desc in bsObj.find_all(args['desc']['tag'], {'class': args['desc']['class']}, 'visible'):
ddesc = desc.text.replace(',', '')
data = ",".join([dgroup, dlink, dproduct, dprice, ddesc, dcategory.decode("utf-8")])
self.kafka.send(data)
elif v['group'] is 'category_link':
dlink = v['link'].replace(',', '')
dgroup = v['group']
dtitle = v['title']
data = ",".join([dgroup, dlink, dtitle.decode("utf-8")])
self.kafka.send(data)
def tierneyphotography(self, bsOjb):
photo_links = self.link.find_with_class(bsOjb, 'block-link', False)
for link in photo_links:
#print(link[1])
if re.search(r'cache', link[1]):
full_link = 'http://www.tierneyphotography.co.uk/' + link[1]
filename = full_link.split('/')[-1]
urllib.urlretrieve(full_link, filename)
pass