def test_get_encodings_from_content_with_out_trail_spaces(self):
self.assertEqual(
get_encodings_from_content(
'<meta http-equiv="content-type" content="text/html; charset=utf-8" />'),
['utf-8']
)
self.assertEqual(
get_encodings_from_content(
b'<meta http-equiv="content-type" content="text/html; charset=utf-8" />'),
['utf-8']
)
def get_html(self, crawl_candidate: CrawlCandidate,
parsing_candidate: ParsingCandidate) -> str:
# we got a raw_tml
# no need to fetch remote content
if crawl_candidate.raw_html:
logger.debug(f"Using raw_html for {crawl_candidate}")
return crawl_candidate.raw_html
# fetch HTML
logger.debug(f"Fetching html from {crawl_candidate.url}")
response = self.fetcher.fetch_obj(parsing_candidate.url)
if response.encoding != 'ISO-8859-1': # requests has a good idea; use what it says
# return response as a unicode string
html = response.text
self.article._meta_encoding = response.encoding
else:
html = response.content
encodings = get_encodings_from_content(response.text)
if len(encodings) > 0:
self.article._meta_encoding = encodings[0]
response.encoding = encodings[0]
html = response.text
else:
self.article._meta_encoding = encodings
return html
def get_html(self, crawl_candidate, parsing_candidate):
# we got a raw_tml
# no need to fetch remote content
if crawl_candidate.raw_html:
return crawl_candidate.raw_html
# fetch HTML
response = self.fetcher.fetch_obj(parsing_candidate.url)
if response.encoding != 'ISO-8859-1': # requests has a good idea; use what it says
# return response as a unicode string
html = response.text
self.article._meta_encoding = response.encoding
else:
html = response.content
encodings = get_encodings_from_content(response.text)
if len(encodings) > 0:
self.article._meta_encoding = encodings[0]
response.encoding = encodings[0]
html = response.text
else:
self.article._meta_encoding = encodings
if not html:
html = ""
crawl_candidate.raw_html = html
# Twitter/Facebook specific news crawling. Should be transferred to separate module.
site_domain = goose3.text.get_site_domain(parsing_candidate.url)
if site_domain == "twitter.com":
doc = self.parser.fromstring(html)
a_links = self.parser.getElementsByTag(
doc, tag='a', attr='class', value='twitter-timeline-link')
if a_links:
parsing_candidate.url = self.parser.getAttribute(a_links[0], 'href')
html = self.fetcher.fetch(parsing_candidate.url)
crawl_candidate.raw_html = html
elif site_domain == "www.facebook.com" and "/posts/" in parsing_candidate.url:
html = html.replace("<!--", "")
html = html.replace("-->", "")
doc = self.parser.fromstring(html)
a_links = self.parser.xpath_re(
doc, "//*[@class='hidden_elem']/descendant::a")
link_re = re.compile(r"https?://l\.facebook\.com/l\.php\?u=(?P<url>[^&]+)&h")
for a_link in a_links:
href = a_link.attrib.get('href')
match = link_re.search(href)
if match:
url = match.groupdict()["url"]
parsing_candidate.url = urllib.parse.unquote(url)
html = self.fetcher.fetch(parsing_candidate.url)
crawl_candidate.raw_html = html
break
return html
def fromstring(cls, html):
encoding = get_encodings_from_content(html)
encoding = encoding and encoding[0] or None
if not encoding:
html = encodeValue(html)
doc = lxml.html.fromstring(html)
else:
html = smart_str(html, encoding=encoding)
parser = lxml.html.HTMLParser(encoding=encoding)
doc = lxml.html.fromstring(html, parser=parser)
return doc
def get_meta_encoding(self):
""" Parse the meta encoding """
encoding = get_encodings_from_content(self.article.raw_html)
return encoding and encoding[0] or None
