def sanitize_html(html, bad_tags=['body']):
"""Removes identified malicious HTML content from the given string."""
if html is None or html == '':
return html
cleaner = Cleaner(style=False, page_structure=True, remove_tags=bad_tags,
safe_attrs_only=False)
return cleaner.clean_html(html)
def getArticles(keyword):
cleaner = Cleaner()
cleaner.javascript = True
cleaner.style = True
br = mechanize.Browser()
br.set_handle_robots(False)
br.addheaders=[('User-agent','chrome')]
term = keyword.replace(" ", "+")
query = "http://www.google.ca/search?&tbm=nws&num=10&q=" + term
htmltext = br.open(query).read()
#print htmltext
soup = BeautifulSoup(htmltext)
search = soup.findAll('div', attrs={'id': 'search'})
#print search[0]
searchtext= str(search[0])
soup1=BeautifulSoup(searchtext)
list_items=soup1.findAll('li')
regex = "q=.*?&"
pattern = re.compile(regex)
results_array = []
for li in list_items:
soup2 = BeautifulSoup(str(li))
links = soup2.findAll('a')
source_link = links[0]
#print source_link
source_url = re.findall(pattern, str(source_link))
if len(source_url) > 0:
results_array.append(str(source_url[0].replace("q=", "").replace("&", "")))
return results_array
def html_cleanup(input):
cleaner = Cleaner(
scripts = True,
javascript = True,
comments = True,
style = False,
links = True,
meta = True,
page_structure = True,
processing_instructions = True,
embedded = False,
frames = False,
forms = True,
annoying_tags = True,
allow_tags = ['a', 'img', 'span', 'div', 'p', 'br', 'iframe', # for google cal
'strong', 'em', 'b', 'i', 'u', 'strike', 'blockquote', 'sub', 'sup',
'ul', 'ol', 'li', 'table', 'tdata', 'tr', 'th', 'td',
'h1', 'h2', 'h3', 'h4'],
remove_unknown_tags = False,
safe_attrs_only = True,
host_whitelist = ['youtube.com', 'www.google.com'],
whitelist_tags = ['iframe', 'embed', 'script', 'img']
)
sane = cleaner.clean_html("<div>%s</div>"%input)
return sane[len('<div>'):-len('</div>')]
def parse(self, content):
"""Clean and parse HTML content."""
cleaner = Cleaner(style=True, links=False, page_structure=False, meta=True,
safe_attrs_only=False, remove_unknown_tags=False)
clean_content = cleaner.clean_html(content)
html = etree.iterparse(StringIO(clean_content), events=("start", "end"))
level = -1
css = ''
# We do not want to style these elements.
ignore_tags = ['html', 'body', 'head', 'meta', 'title', 'script']
if self.options.delimiter == 'spaces':
delimiter = ' '
else:
delimiter = '\t'
for action, elem in html:
if (action == 'start'):
identifier = self.identify_ruleset(elem)
if elem.tag not in ignore_tags:
level += 1
css += delimiter * level + identifier + ' {\n'
if not self.options.clean_mode:
css += delimiter + delimiter * level + '/* enter your CSS here... */\n'
else:
if elem.tag not in ignore_tags:
css += delimiter * level + '}\n'
level -= 1
return css.strip()
def _get_breakdowns(self):
"""
returns breakdowns from GWDG in given timewindow
"""
#load feed first, since not working with lxml directly
r = requests.get(URL)
#load url and parse it with html parser
root = lxml.etree.fromstring(r.text.encode("utf-8"))
#get items
items = []
for x in root.findall("channel/item"):
pubdate = datetime.datetime.fromtimestamp(
email.utils.mktime_tz(
email.utils.parsedate_tz(
x.find("pubDate").text[:-6]
)
)
)
if pubdate >= OLDEST_NEWS:
cleaner = Cleaner(allow_tags=[''], remove_unknown_tags=False)
title = cleaner.clean_html(x.find("title").text)[5:-6]
content = cleaner.clean_html(x.find("description").text)[5:-6]
item = {
"title" : title,
"pubdate" : str(pubdate),
"content" : content,
}
items.append(item)
return sorted(items, key=lambda x: x["pubdate"], reverse=True)
def create_plaintext_message(message):
""" Create clean plain text version of email message
Parse the html and remove style and javacript tags and then
create a plain-text-message by parsing the html
and attaching links as endnotes
"""
cleaner = Cleaner()
cleaner.javascript = True
cleaner.style = True
cleaner.kill_tags = ['style']
doc = message.decode('utf-8', 'ignore')
to_clean = lxml.html.fromstring(doc)
cleaned_msg = lxml.html.tostring(cleaner.clean_html(to_clean))
plain_text_maxcols = 72
textout = cStringIO.StringIO()
formtext = formatter.AbstractFormatter(formatter.DumbWriter(
textout, plain_text_maxcols))
parser = HTMLParser(formtext)
parser.feed(cleaned_msg)
parser.close()
# append the anchorlist at the bottom of a message
# to keep the message readable.
counter = 0
anchorlist = "\n\n" + ("-" * plain_text_maxcols) + "\n\n"
for item in parser.anchorlist:
counter += 1
if item.startswith('https://'):
new_item = item.replace('https://', 'http://')
else:
new_item = item
anchorlist += "[%d] %s\n" % (counter, new_item)
text = textout.getvalue() + anchorlist
del textout, formtext, parser, anchorlist
return text
def truncate(content, max_length=DEFAULT_TRUNCATE_LENGTH, allowed_tags=ALLOWED_TAGS, full_link=None):
""" truncate a body of text to the expected 'max_length' and strip
the body of text of all html tags that are not in 'allowed tags'. You
can also specify a 'strip' value (True -> strip html tags, False ->
escape html tags and leave them in text)
"""
if not content:
return ''
cleaner = Cleaner(
page_structure=False,
links=True,
safe_attrs_only=True,
remove_unknown_tags=False,
allow_tags=allowed_tags
)
content = defaultfilters.truncatechars_html(cleaner.clean_html(content), max_length)
if full_link:
try:
insert_point = content.rindex('</p>')
except ValueError:
insert_point = content.rindex('<')
ending = content[insert_point:]
content = content[:insert_point]
content += ' <a href="' + full_link + '">(Read More)</a>' + ending
return content
def __init__(self, input):
self.title = input.get('post_title')
self.content = input.get('post_content')
self.category = input.get('post_category')
self.is_public = input.get('post_is_public')
if self.is_public:
self.is_public = True
else:
self.is_public = False
if self.category not in config.get('post_categories'):
raise exceptions.CantValidateForm
if self.title:
# strip markup
html_string = lxml.html.fromstring(self.title)
self.title = unicode(html_string.text_content())
else:
self.title = ''
if self.content:
# clean markup
cleaner = Cleaner(**post_rules)
self.content = cleaner.clean_html(self.content)
# replace newlines
self.content = self.content.replace('\r\n', '<br />')
else:
raise exceptions.CantValidateForm
def test_allow_tags(self):
html = """
<html>
<head>
</head>
<body>
<p>some text</p>
<table>
<tr>
<td>hello</td><td>world</td>
</tr>
<tr>
<td>hello</td><td>world</td>
</tr>
</table>
<img>
</body>
</html>
"""
html_root = lxml.html.document_fromstring(html)
cleaner = Cleaner(
remove_unknown_tags = False,
allow_tags = ['table', 'tr', 'td'])
result = cleaner.clean_html(html_root)
self.assertEqual(12-5+1, len(list(result.iter())))
def get_content(self, site):
sel = None
if site.id_type == "css": # translates csspath into xpath
s = CSSSelector(site.identifier)
sel = s.path
else:
sel = site.identifier
try:
page = requests.get(site.url)
parser = le.HTMLParser()
tree = le.parse(StringIO(page.text), parser)
xp = tree.xpath(sel)
if len(xp) < 1:
return None
html = lxml.html.tostring(xp[0])
cleaner = Cleaner(style=True, links=False,
page_structure=False, embedded=False,
frames=False, forms=False)
cleaned_html = cleaner.clean_html(html)
self._print("Cleaning html: " + str(len(html)) +
" -> " + str(len(cleaned_html)))
return cleaned_html
except Exception as e:
self._print("EXCEPTION! " + str(e.message))
return None
def analyze(request):
url = request.GET['url']
opener = urllib2.build_opener()
opener.addheaders = [('User-agent', 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:15.0) Gecko/20120427 Firefox/15.0a1')]
response = opener.open(url)
raw_html = response.read()
cleaner = Cleaner(kill_tags = ['style', 'script', 'head'], allow_tags = [''], remove_unknown_tags = False)
raw_text = cleaner.clean_html(raw_html)
ptn = re.compile('<div>|</div>')
raw_text = re.sub(ptn, '', raw_text)
ptn = re.compile('\s+')
raw_text = re.sub(ptn, ' ', raw_text)
raw_text = raw_text.strip().lower()
prd, score = MLearn.predict(raw_text)
donut = score * 100
results = MLearn.predict_other(raw_text)
related_headline = results[0][2]
related_verdict = results[0][0]
related_score = results[0][1] * 100
context = {
'url': url,
'verdict': prd,
'score': donut,
'related_headline': related_headline,
'related_verdict': related_verdict,
'related_score': related_score,
'results': results,
}
return render(request, 'results.html', context)
def visit(url):
if url.startswith(base_url) == False:
return
try:
resp = urlopen(url)
except URLError as e:
return
page = resp.read()
cleaner = Cleaner()
cleaner.javasript = True
cleaner.style = True
cleaner.kill_tags = ELEMENTS_TO_IGNORE
# soup = BeautifulSoup(page, "lxml")
# for link in soup.findAll('a'):
# if link.has_attr('href'):
# if link.has_attr('class') and 'history' in link['class']:
# continue
# next_link = urljoin(url,link['href'])
# next_link = urldefrag(next_link)[0]
# if next_link not in visited_pages:
# visited_pages.append(next_link)
# pages_to_visit.append(next_link)
clean_page = cleaner.clean_html(page)
soup = BeautifulSoup(clean_page, "lxml")
extract(soup, url)
def get_intro_text(text):
""" Returns only the first <p> tag and preceding nodes
"""
#cut the text to the first paragraph
index = text.lower().find('</p>', 1000)
if index != -1:
text = text[:index] +'</p>'
cleaner = Cleaner(
scripts=False,
javascript=False,
comments=False,
style=False,
links=False,
meta=False,
page_structure=False,
processing_instructions=False,
embedded=False,
forms=False,
remove_unknown_tags=True,
)
text = cleaner.clean_html(text)
return text
def sanitize(html):
if not html:
return html
cleaner = Cleaner(allow_tags=_safe_tags, safe_attrs_only=True, safe_attrs=_safe_attrs, remove_unknown_tags=False)
html = autolink_html(cleaner.clean_html(html))
parts = re.split('(<.*?>)', html)
output = ''
in_a_tag = False
for part in parts:
if not len(part):
continue
is_tag = part[0] == '<'
if is_tag or in_a_tag:
output += part
if part[0:2].lower() == '<a':
in_a_tag = True
elif part[0:3].lower() == '</a':
in_a_tag = False
continue
part = re.sub("([a-zA-Z0-9_\\-+\\.\']*[a-zA-Z0-9]@[0-9a-zA-Z\\-\\.]+\\.[a-zA-Z]{2,})", '<a href="mailto:\\1">\\1</a>', part)
# After linking up emails, only look for twitter in the remaining parts
sub_parts = re.split('(<.*?>)', part)
part = ''
for sub_part in sub_parts:
part += re.sub("(?<![a-zA-Z0-9])@([0-9a-zA-Z_]{1,15})", '<a href="https://twitter.com/\\1">@\\1</a>', sub_part)
output += part
return output
def _remove_tags(self):
cleaner = Cleaner(
scripts = True ,
javascript = True ,
comments = True ,
style = False ,
links = True ,
meta = False,
page_structure = None ,
processing_instructions = True ,
embedded = True ,
frames = True ,
forms = True ,
# annoying_tags = True ,
# remove_tags = None ,
# allow_tags = allowed_tags ,
remove_unknown_tags = False ,
# safe_attrs_only = True ,
# add_nofollow = False ,
)
# patch to add space in tags
for el in self.root.iter():
if el is not None and el.text:
el.text = el.text+' '
if el is not None and el.tail:
el.tail = el.tail+' '
# remove tags
self.root = cleaner.clean_html(self.root)
for el in self.root.iter():
if el.tag=='a' and el.get('rel')=='nofollow':
el.text = ''
el.drop_tag()
def getFormatHtml(htmlContent):
try:
dom = soupparser.fromstring(htmlContent)
except Exception, e:
cleaner = Cleaner()
htmlContent = cleaner.clean_html(htmlContent)
doc = soupparser.fromstring(htmlContent)
def _load(self):
"""
Load the ElementTree from the source
"""
# Convert directional quotation marks to regular quotes
double_quotes = ur'[\u201c\u201d]'
self.source = re.sub(double_quotes, u'"', self.source)
single_quotes = ur'[\u2019\u2018]'
self.source = re.sub(single_quotes, u"'", self.source)
# Convert colons
self.source = self.source.replace(u'\uff1a', u':')
# Remove line breaks and tabs
self.source = self.source.replace(u'\n', u'')
self.source = self.source.replace(u'\t', u'')
# There are also some "zero width joiners" in random places in the text
# Should remove them here, since they make string search unreliable
# these are the codes: ‍,   (nbsp), \xa0 (nbsp), \u200d
zero_width_joiners = u'\u200d'
self.source = self.source.replace(zero_width_joiners, u'')
# Also previously had some non breaking spaces in unicode \u00a0, but this
# may have been fixed by changing the parser below
# Use the lxml cleaner
cleaner = Cleaner()
parser = HTMLParser(encoding='utf-8')
# Finally, load the cleaned string to an ElementTree
self.tree = cleaner.clean_html(lxml.html.fromstring(to_string(self.source), parser=parser))
def gettextonly(self, tree):
cleaner = Cleaner(style=True, links=True, add_nofollow=True,
page_structure=False, safe_attrs_only=False)
try:
v = tostring(tree,method='text',encoding=unicode)
except:
v = None
if v == None:
c = lxml.html.tostring(tree)
print 'v== null'
# resulttext = ''
# for t in c:
# subtext = self.gettextonly(t)
# resulttext += subtext + '\n'
# return resulttext
return c
else:
# Clean up the javascript and comment.
try:
v = cleaner.clean_html(v)
except:
# Ignore clean error
pass
return v.strip()
def _statistica_(url_string):
"""Implementa la logica per estrarre documento
e metadati da rivista-statistica
"""
url = urlparse.urlparse(url_string)
conn = httplib.HTTPConnection(url.hostname)
conn.request("GET", url.path)
res = conn.getresponse()
body = res.read()
my_page = html.fromstring(body)
# Rimuovi il banner dei cookie del *****
for el in my_page.xpath('//*[@id="cookiesAlert"]'):
el.getparent().remove(el)
# Rimuovi tutti i tag script e il loro contenuto
cleaner = Cleaner()
cleaner.javascript = True
my_page = cleaner.clean_html(my_page)
title = my_page.xpath('//*[@id="articleTitle"]/h3')
full_content = my_page.xpath('//*[@id="content"]')
doi = my_page.xpath('//*[@id="pub-id::doi"]')
full_content = ''.join(
[etree.tostring(fix_links(el, url_string)) for el in full_content])
result = {
'title': title[0].text_content(),
'content': full_content,
'doi': doi[0].text_content()
}
return json.JSONEncoder().encode(result)
def clean_html(html, safe_attrs=('src', 'href'),
input_encoding='unicode',
output_encoding='unicode',
**kwargs):
"""
Fix HTML structure and remove non-allowed attributes from all tags.
"""
from lxml.html.clean import Cleaner
# Convert HTML to Unicode
html = render_html(parse_html(html, encoding=input_encoding), make_unicode=True)
# Strip some shit with default lxml tools
cleaner = Cleaner(page_structure=True, **kwargs)
html = cleaner.clean_html(html)
# Keep only allowed attributes
tree = parse_html(html)
for elem in tree.xpath('./descendant-or-self::*'):
for key in elem.attrib.keys():
if safe_attrs:
if key not in safe_attrs:
del elem.attrib[key]
return render_html(tree, encoding=output_encoding)
def createPages():
items = source.contentItems()
for item in items:
doc = parse(item).getroot()
cleaner = Cleaner(style=True, links=False, page_structure=True, safe_attrs_only=False)
cleaned = cleaner.clean_html(doc)
# get the pagetitle
titles = cleaned.find_class('Pagetitle')
# snag the page title - method returns list. . there's really only one
title = titles[0].text_content()
# get the description
descrips = cleaned.find_class('Summarytext')
descrip = descrips[0].text_content()
#Need to have temporary id
id = str(random.randint(0, 99999999))
target.invokeFactory("Document", id=uid)
obj = target[uid]
obj.setTitle(title)
obj.setDescription(descrip)
obj.setText.getBodyText()
# Will finish Archetypes content item creation process,
# rename-after-creation and such
obj.processForm()
return obj
def sanitize_payload(payload):
"Sanitize HTML"
if not payload:
return '', ''
styles = []
payload = clean_payload(payload)
body_style, body_class = get_body_style(payload)
if body_style:
styles.append(body_style)
safe_attrs = set(defs.safe_attrs)
safe_attrs.add('style')
cleaner = Cleaner(remove_tags=UNCLEANTAGS,
safe_attrs_only=True,
safe_attrs=safe_attrs)
payload = HTMLTITLE_RE.sub('', payload)
try:
html = cleaner.clean_html(payload)
except ValueError:
payload = bytes(bytearray(payload, encoding='utf-8'))
html = cleaner.clean_html(payload)
except XMLSyntaxError:
html = ''
mainstyle = sanitize_css(get_style(html))
if mainstyle:
styles.append(decode(mainstyle))
style = u'\n'.join(styles)
html = clean_styles(CSS_COMMENT_RE.sub('', html))
html = set_body_class(html, body_class)
return html.strip(), style.strip()
def handle_item(path):
# url="http://news.39.net/"+path.split("/root/39_data/news.39.net/")[1]
flag,title,text=False,"",""
try:
# request=requests.get(url,proxies=get_proxy(),timeout=5)
# if request.status_code!=200: raise
with open(path,"r") as file:
content=file.read()
html=lxml.html.fromstring(content.decode("gbk"))
try:
if re.search("utf",html.xpath("//meta/@charset")[0]):
html=lxml.html.fromstring(r.content.decode("utf-8"))
except: pass
try:
if len(html.xpath("//div[@class='art_box']/h1/text()"))>0:
title=html.xpath("//div[@class='art_box']/h1/text()")[0]
else:
title=html.xpath("//div[@class='artbox']/h1/text()")[0]
except:
title=""
print("title:%s"%title)
if len(html.xpath("//div[@id='contentText']"))>0: div1=html.xpath("//div[@id='contentText']")[0]
elif len(html.xpath("//div[@class='article']"))>0: div1=html.xpath("//div[@class='article']")[0]
else: raise
cleaner = Cleaner(scripts = True)
for p in div1.xpath("./p"):
p=cleaner.clean_html(p)
try:
text+=p.text_content().strip()+"\n"
except: pass
print("text:%s"%text)
flag=True
except Exception,e:
print(e)
def parse(self, response):
item = JournalItem()
base_url = "http://journals.ametsoc.org"
journalTitle = response.xpath('//*[@id="journalBlurbPanel"]/div[2]/h3/text()').extract_first()
item['title'] = journalTitle
journalIssue = response.xpath('//*[@id="articleToolsHeading"]/text()').extract_first().strip() # remove whitespace at start and end
item['issue'] = journalIssue
# setup html cleaner to strip html tags from string (journal titles often use sub/superscript and splits article title)
html_cleaner = Cleaner(allow_tags=[''], remove_unknown_tags=False)
journalDescription = response.xpath('//*[@id="journalBlurbPanel"]/div[4]').extract()
journalDescription = "".join(journalDescription)
journalDescription = html_cleaner.clean_html(journalDescription)[5:-6] # remove any html tags and then trim the <div> tags that the cleaner inserts
journalDescription = removeNewlines(journalDescription) # remove any \n\r\t characters
journalDescription = journalDescription.strip()
item['description'] = journalDescription
coverImage = response.xpath('//*[@id="smallIssueCover"]/img/@src').extract_first().strip()
print(coverImage)
item['coverURL'] = base_url + coverImage
yield item
def learn_stopwords(self):
req = urllib2.Request(self.html_url, headers={'Host':'github.com', 'Referer':'https://github.com',
'User-Agent':'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36'})
r = urllib2.urlopen(req)
page = r.read()
tree = html.fromstring(page)
# get readme part
readme_tree = tree.xpath('//*[@id="readme"]/article')
if len(readme_tree) < 1:
return
readme_tree = readme_tree[0]
self.origin_readme = readme_tree.text_content()
cleaner = Cleaner(allow_tags=['p','h1','h2','h3','h4','h5','pre'], remove_unknown_tags=False)
readme_tree = cleaner.clean_html(readme_tree)
header = ""
# iterate each header and paragraph
for sub in readme_tree.iterchildren():
if sub is None:
break
if sub.tag == 'pre' and header:
self.add_stopwords(self.filter_all(header))
header = ""
elif sub.tag in ['h1','h2','h3','h4'] and sub.text is not None:
header = sub.text.strip().lower()
def strip_comments__lxml(html_string=""):
if not html_string: return html_string
params = {
'comments': True,
'scripts': False,
'javascript': False,
'style': False,
'links': False,
'meta': False,
'page_structure': False,
'processing_instructions': False,
'embedded': False,
'frames': False,
'forms': False,
'annoying_tags': False,
'remove_tags': None,
'allow_tags': None,
'remove_unknown_tags': True,
'safe_attrs_only': False,
}
try:
cleaner = Cleaner(**params)
html = lxml.html.fromstring(html_string)
clean_html = cleaner.clean_html(html)
return lxml.etree.tostring(clean_html)
except (XMLSyntaxError, ParserError):
return html_string
def parse(self, response):
sel = Selector(response)
# urls = sel.xpath('//@href').extract()
urls = sel.xpath('//li[@class="next_article"]/a/@href').extract()
item = ZiwuItem()
item['url'] = response.url
item['title'] = ''.join(sel.xpath('//div[@id="article_details"]/div[@class="article_title"]/h1/span/a/text()').extract())
itemcontent = ''.join(sel.xpath('//div[@id="article_details"]/div[@id="article_content"]/node()').extract())
cleaner = Cleaner(page_structure=False, links=False, safe_attrs_only=True, safe_attrs = frozenset([]))
cleansed = cleaner.clean_html(itemcontent)
item['content'] = cleansed
yield item
for url in urls:
utf8_url = url.encode('utf-8')
base_url = get_base_url(response)
"""The following regex to match the prefix and postfix of urls"""
postfix = re.compile(r'.+\.((jpg)|(ico)|(rar)|(zip)|(doc)|(ppt)|(xls)|(css)|(exe)|(pdf))x?$')
prefix = re.compile(r'^((javascript:)|(openapi)).+')
if postfix.match(utf8_url):
continue
if prefix.match(utf8_url):
continue
if not utf8_url.startswith('http://'):
weburl = urljoin_rfc(base_url, utf8_url)
yield Request(weburl, callback=self.parse)
def buildDicts(n):
cleaner = Cleaner()
cleaner.javascript = True
cleaner.style = True
i = 0
tagsDict = set()
while (i < n):
if (os.path.isfile("spam/%d.txt" % i)):
try:
readInFile = open("spam/%d.txt" % i)
content = readInFile.read()
noSymbols = re.sub('[^A-Za-z-]+', ' ', content.lower()) # noSymbols is stripped of symbols
tags = set(noSymbols.split()) # allCopy is the set of words without symbols
tagsDict = tagsDict.union(tags)
except Exception, err:
print traceback.format_exc()
print sys.exc_info()[0]
if (os.path.isfile("notspam/%d.txt" % i)):
try:
readInFile = open("notspam/%d.txt" % i)
content = readInFile.read()
noSymbols = re.sub('[^A-Za-z-]+', ' ', content.lower()) # noSymbols is stripped of symbols
tags = set(noSymbols.split()) # allCopy is the set of words without symbols
tagsDict = tagsDict.union(tags)
except Exception, err:
print traceback.format_exc()
print sys.exc_info()[0]
def get_hidden_comments(post_id_with_minus):
""" Загружает скрытые комментарии и возвращает список объектов CommentPostInfo """
params = urllib.urlencode({
'act': 'get_replies',
'al': 1,
'count': 'false',
'post': post_id_with_minus
})
request = urllib2.Request('http://vkontakte.ru/al_wall.php')
request.add_header("X-Requested-With", "XMLHttpRequest")
request.add_header("Origin", "http://vkontakte.ru")
data = urllib2.urlopen(request).read()
with open('b:/1.html', 'w') as f:
f.write(data)
data = data.decode('cp1251')
#возвращает элемент, а не дерево
html = lxml.html.document_fromstring( data )
cleaner = Cleaner( style=True, page_structure=False )
cleaned_html = cleaner.clean_html( html )
hidden_comments = list()
for reply_element in cleaned_html.cssselect('div.reply.clear'):
hidden_comments.append( VkontakteGroupNewsReader.get_reply_from_response_part( reply_element ) )
return hidden_comments
def tokenize(n, tagsDict):
cleaner = Cleaner()
cleaner.javascript = True
cleaner.style = True
i = 0
df = pandas.DataFrame(columns=[list(tagsDict)])
while (i < n):
allVector = {}
if (os.path.isfile("spam/%d.txt" % i)):
try:
for word in tagsDict:
allVector[word] = 0
readInFile = open("spam/%d.txt" % i)
content = readInFile.read()
noSymbols = re.sub('[^A-Za-z-]+', ' ', content.lower()) # noSymbols is stripped of symbols
allCopy = noSymbols.split() # allCopy is the set of words without symbols
for tag in allCopy:
df.ix[i[tag]] = df.ix[i[tag]] + 1
df.ix[i['isSpam']] = 'spam'
except Exception, err:
print traceback.format_exc()
print sys.exc_info()[0]
i = i + 1
def clean_cachefiles(self):
"""Clean silly html from all cachefiles in the cachdir"""
if input(
'Do you really want to strip all cache files from bloating tags such as <script> and <style>? '
).startswith('y'):
import lxml.html
from lxml.html.clean import Cleaner
cleaner = Cleaner()
cleaner.style = True
cleaner.scripts = True
cleaner.javascript = True
for file in self._get_all_cache_files():
cfile = CompressedFile(file)
data = cfile.read()
cleaned = lxml.html.tostring(
cleaner.clean_html(lxml.html.fromstring(data)))
cfile.write(cleaned)
logger.info('Cleaned {}. Size before: {}, after {}'.format(
file, len(data), len(cleaned)))
dataset_dir = os.path.dirname(os.path.abspath(__file__)) + '/dataset/'
lines = open(dataset_dir + 'long_list_stop_words.txt', 'r').readlines()
stop_words = [
word[:-1].lower().encode('utf-8', 'ignore')
for word in lines if word[-1] == '\n'
] + [
word.lower().encode('utf-8', 'ignore')
for word in lines if word[-1] != '\n'
]
dictionary = pickle.load(open(dataset_dir + 'dictionary.pickle', "rb"))
reverse_dictionary = pickle.load(
open(dataset_dir + 'reverse_dictionary.pickle', "rb"))
#embeddings = pickle.load(open(dataset_dir+'embeddings.pickle', "rb"))
idf_values = pickle.load(open(dataset_dir + 'idf_values.pickle', "rb"))
topics = [
'Science', 'Space', 'Astronomy', 'Photo', 'Comics', 'Cooking',
'Neuroscience', 'Politics', 'Technology', 'Videogames', 'IT', 'Devices',
'Management', 'Marketing', 'Design', 'Food', 'Startup', 'Console',
'Economics', 'Education', 'YouTube'
]
cleaner = Cleaner(meta=False,
page_structure=False,
style=False,
kill_tags=['style', 'script', 'iframe', 'video'],
safe_attrs_only=False,
remove_unknown_tags=False)
img_cleaner = Cleaner(kill_tags=['img'], remove_unknown_tags=False)
def reflect_html(key: int, day: str, digest: str) -> Union[None, bool]:
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
"""
1. すでに処理したファイルが存在していたらスキップ
"""
out_filename = f"{TOP_DIR}/var/Twitter/tweet/{day}/{digest}"
if Path(out_filename).exists():
return True
options = Options()
options.add_argument("--headless")
options.add_argument("--disable-gpu")
options.add_argument("window-size=1024x1024")
options.add_argument(
f"user-data-dir=/tmp/{FILE.replace('.py', '')}_{key:06d}")
options.binary_location = shutil.which("google-chrome")
try:
driver = webdriver.Chrome(executable_path=shutil.which("chromedriver"),
options=options)
driver.get(f"http://localhost/twitter/input/{day}/{digest}")
print('ebug', f"http://localhost/twitter/input/{day}/{digest}")
html = driver.page_source
time.sleep(5)
html = driver.page_source
driver.save_screenshot(f"/home/gimpei/{digest}.png")
driver.switch_to.frame(driver.find_element_by_tag_name("iframe"))
# elm = driver.find_element_by_xpath("/html")
time.sleep(1)
inner_html = driver.page_source
# print("inner", inner_html)
# inner_html = driver.page_source
# print(html)
"""get shadow-root"""
# elm = driver.execute_script("""return document.querySelector("twitter-widget").shadowRoot""")
# elm = driver.execute_script("""return document.querySelector("twitter-widget").shadowRoot""")
# inner_html = elm.get_attribute("innerHTML")
cleaner = Cleaner(style=True,
links=True,
add_nofollow=True,
page_structure=False,
safe_attrs_only=False)
# print(inner_html)
soup = BeautifulSoup(inner_html, "lxml")
imported_csses = [
el for el in soup.find_all("style", {"type": "text/css"})
]
# replace css text to local css
for css in imported_csses:
if "@import url" in css.text:
css_url = re.search(r'url\("(.*?)"\)', css.text).group(1)
css_digest = GetDigest.get_digest(css_url)
# print(css_url, css_digest)
with requests.get(css_url) as r:
css_text = r.text
Path(f"{TOP_DIR}/var/Twitter/css").mkdir(exist_ok=True,
parents=True)
with open(f"{TOP_DIR}/var/Twitter/css/{css_digest}",
"w") as fp:
fp.write(css_text)
css.string = f'@import url("/twitter/css/{css_digest}")'
# replace image src
for img in soup.find_all(attrs={"src": True}):
url = img.get("src")
o = urlparse(url)
if o.scheme == "":
o = o._replace(scheme="https")
url = o.geturl()
url_digest = GetDigest.get_digest(url)
if "format=jpg" in url or re.search(".jpg$", url) or re.search(
".jpeg$", url) or re.search(".JPG$", url):
with requests.get(url, timeout=30) as r:
binary = r.content
Path(f"{TOP_DIR}/mnt/twitter_jpgs").mkdir(exist_ok=True,
parents=True)
with open(f"{TOP_DIR}/mnt/twitter_jpgs/{url_digest}",
"wb") as fp:
fp.write(binary)
# print(f"downloaded! {TOP_DIR}/mnt/twitter_jpgs/{url_digest}")
img["src"] = f"/twitter/jpgs/{url_digest}"
elif "format=png" in url or re.search(".png$", url):
with requests.get(url, timeout=30) as r:
binary = r.content
Path(f"{TOP_DIR}/var/Twitter/pngs").mkdir(exist_ok=True,
parents=True)
with open(f"{TOP_DIR}/var/Twitter/pngs/{url_digest}",
"wb") as fp:
fp.write(binary)
img["src"] = f"/twitter/pngs/{url_digest}"
elif "normal" in url or ".js" in url or ".svg" in url:
continue
else:
continue
# raise Exception(f"unsupported image! url={url}")
"""adhoc style edit"""
if soup.find(attrs={"class": "EmbeddedTweet"}):
soup.find(attrs={"class": "EmbeddedTweet"
})["style"] = "margin: 0 auto; margin-top: 150px;"
out_dir = f"{TOP_DIR}/var/Twitter/tweet/{day}"
Path(out_dir).mkdir(exist_ok=True, parents=True)
with open(f"{out_dir}/{digest}", "w") as fp:
fp.write(soup.__str__())
driver.close()
# if E.get("DEBUG"):
print(
f"[{NAME}] ordinally done, day = {day} digest = {digest}, filename = {out_dir}/{digest}"
)
except Exception as exc:
tb_lineno = sys.exc_info()[2].tb_lineno
print(
f"[{NAME}] exc = {exc}, tb_lineno = {tb_lineno}, day = {day}, digest = {digest}, filename = {out_filename}",
file=sys.stderr)
out_filename = f"{TOP_DIR}/var/Twitter/tweet/{day}/{digest}"
Path(f"{TOP_DIR}/var/Twitter/tweet/{day}").mkdir(exist_ok=True,
parents=True)
# パースに失敗したやつを無視する時、有効にする
# Path(out_filename).touch()
time.sleep(5)
return None
return f"/twitter/tweet/{day}/{digest}"
def _clean_html_body(request, email, body, charset):
"""Clean up a html part as best we can
Doesn't catch LXML errors
"""
html_tree = lxml_html.fromstring(body)
# if the HTML doc says its a different encoding, use that
for meta_tag in html_tree.xpath("/html/head/meta"):
if meta_tag.get("http-equiv", None) == "Content-Type":
try:
content = meta_tag.attrib["content"]
content = content.split(";", 1)[1]
charset = dict(HEADER_PARAMS.findall(content))["charset"]
break
except (KeyError, IndexError):
pass
elif "charset" in meta_tag.attrib:
charset = meta_tag.attrib["charset"]
break
try:
# check there's a body for premailer
if html_tree.find("body") is not None:
html_tree = InboxenPremailer(html_tree).transform()
except Exception as exc:
# Yeah, a pretty wide catch, but Premailer likes to throw up everything and anything
messages.info(request, _("Part of this message could not be parsed - it may not display correctly"))
_log.warning("Failed to render CSS for %s: %s", email["eid"], exc)
# Mail Pile uses this, give back if you come up with something better
cleaner = Cleaner(
allow_tags=HTML_ALLOW_TAGS,
kill_tags=["style"], # remove style tags, not attrs
remove_unknown_tags=False,
safe_attrs=HTML_SAFE_ATTRS,
safe_attrs_only=True,
style=False, # keep style attrs
)
html_tree = cleaner.clean_html(html_tree)
# filter images if we need to
if not email["display_images"]:
for img in html_tree.xpath("//img"):
try:
# try to delete src first - we don't want to add a src where there wasn't one already
del img.attrib["src"]
# replace image with 1px png
img.attrib["src"] = staticfiles_storage.url("imgs/placeholder.svg")
email["has_images"] = True
except KeyError:
pass
for link in html_tree.xpath("//a"):
try:
# proxy link
url = link.attrib["href"]
link.attrib["href"] = proxy_url(url)
except KeyError:
pass
# open link in tab
link.attrib["target"] = "_blank"
# and prevent window.opener bug (noopener is only supported in newer
# browsers, plus we already set noreferrer in the head)
link.attrib["rel"] = "noreferrer"
# finally, export to unicode
body = unicode_damnit(etree.tostring(html_tree, method="html"), charset)
return safestring.mark_safe(body)
class Topic(models.Model):
author = models.ForeignKey(Member,
related_name='topic_created',
verbose_name=u"演讲者")
in_event = models.ForeignKey(Event,
related_name='topic_shown_in',
blank=True,
null=True,
verbose_name=u"已安排在此活动中")
description = models.TextField(u"简介", max_length=200, blank=False)
content = models.TextField(u"内容", blank=True)
html = models.TextField(u'HTML', blank=True, null=True)
content_type = models.CharField(blank=False, default='html', max_length=30)
accepted = models.BooleanField(
default=False) #该话题是否已经被管理员接受,True才能在活动正式的公布页面显示, 同时in_event才能显示
name = models.CharField("名称", max_length=255, blank=False)
created = models.DateTimeField(auto_now_add=True,
auto_now=True,
blank=True,
null=True)
last_modified = models.DateTimeField(auto_now_add=True,
auto_now=True,
blank=True,
null=True)
last_modified_by = models.ForeignKey(
Member, related_name='%(class)s_last_modified')
#aggrgated
total_votes = models.PositiveIntegerField(default=0)
total_favourites = models.PositiveIntegerField(default=0, editable=False)
html_cleaner = Cleaner(style=False, embedded=False, safe_attrs_only=False)
def set_author(self, user):
author = user.get_profile()
self.last_modified_by = author # last_modified_by 总是author？
self.author = author
return self
@property
def poll_status(self):
if self.in_event:
if self.accepted:
if self.in_event.is_upcoming:
return u'网络投票进行中'
elif self.in_event.is_off:
return u'本话题所属活动已经结束'
else:
return u'活动等待管理员审核中，审核完毕后即可开始投票'
else:
return u'该话题尚未加入任何活动，无法开始投票'
return u'我们也不知道怎么了'
@property
def rendered_content(self):
if self.content_type == 'restructuredtext':
'''暂时取消restructuredtext的处理'''
#return restructuredtext(self.content)
#创建lxml的html过滤器，保留object,embed,去除js,iframe
return self.html_cleaner.clean_html(self.content) #使用过滤器,返回安全的html
elif self.content_type == 'html':
return self.html
else:
return restructuredtext(self.content)
@property
def is_shown(self):
'''该话题所属活动是否正在进行或已经结束'''
return self.in_event and (self.in_event.is_off
or self.in_event.is_running)
@property
def is_arranged(self):
'''该话题是否已经加入到活动，并且活动尚未开始'''
return self.in_event and (self.in_event.is_upcoming == True)
@property
def content_text(self):
try:
content = self.content.decode('utf-8')
except UnicodeEncodeError:
content = self.content
content_element = html.fromstring(content)
return content_element.text_content()
@property
def summary(self):
content = self.content_text
if len(content) > 60:
return '%s...' % content[:60]
else:
return content
def style_seed(self, range=4):
'''用来显示一些随机的样式'''
return self.id % range
def get_absolute_url(self):
return reverse('topic', args=[self.id])
def send_notification_mail(self, type):
'''在话题提交及更新时发送提醒邮件'''
type_dict = {
'created': u'建立',
'updated': u'更新',
}
subject = u"[Open Party] 话题%(type)s：%(name)s" % {
'type': type_dict[type.lower()],
'name': self.name
}
ctx = {
'topic': self,
'action': type_dict[type.lower()],
'modification_date': str(datetime.now()),
'site': settings.SITE_URL
}
message = render_to_string('core/topic_notification_email.txt', ctx)
admin_user_set = User.objects.filter(is_staff=True) #给具有管理权限的用户发信
#没有用mail_admins(),更灵活一些
mail_queue = []
for each_admin in admin_user_set:
email = EmailMessage(subject,
message,
settings.DEFAULT_FROM_EMAIL,
[each_admin.email],
'',
headers={'Reply-To': each_admin.email})
email.content_subtype = "plain"
mail_queue.append(email)
#使用单次SMTP连接批量发送邮件
connection = mail.get_connection() # Use default e-mail connection
connection.send_messages(mail_queue)
return True
def __unicode__(self):
return self.name
votes = generic.GenericRelation('Vote')
#TODO Add a custom manager for most web voted & unshown topics, to add to a upcoming event
def save(self, *args, **kwargs):
self.total_votes = self.votes.count()
if not self.content or self.content.strip() == '':
self.content = self.description
super(Topic, self).save(*args, **kwargs)
class Meta:
app_label = 'core'
def cleanpage(html):
# cleaner setup
cleaner = Cleaner()
cleaner.html = True
cleaner.page_structure = False
cleaner.meta = False
cleaner.safe_attrs_only = False
cleaner.links = False
cleaner.javascript = True # activate the javascript filter
cleaner.style = True # activate the styles & stylesheet filter
cleaner.links = False
cleaner.frames = True
cleaner.embedded = True
cleaner.comments = True
cleaner.annoying_tags = True
cleaner.inline_style = True
cleaner.page_structure = False
# cleaner.remove_tags = ['b','img','h']
cleaner.kill_tags = ['img','script']
#invoke cleaner
try:
content=cleaner.clean_html(html)
except:
#error: ValueError: Unicode strings with encoding declaration are not supported. Please use bytes input or XML fr
content = u""
return content
def as_clean_html(value):
try:
return Cleaner(style=True, scripts=True).clean_html(value.strip())
except LxmlError:
return '<p></p>'
def f_parse(args):
def isAlphabet(word):
alphabet = [
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'j', 'k', 'i', 'l', 'm',
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'x', 'y', 'w', 'z',
'à', 'è', 'é', 'ì', 'í', 'ò', 'ó', 'ù', 'ú'
]
guard = True
for t in word:
if t not in alphabet:
guard = False
return guard
loc = args[0]
corpuses = args[1]
MINSIZE_WORD = 4
MAXSIZE_WORD = 15
MINSIZE_CHARSDOC = 100
MINSIZE_WORDSDOC = 50
cleaner = Cleaner()
cleaner.javascript = True # This is True because we want to activate the javascript filter
cleaner.style = True
cleaner.scripts = True
cleaner.comments = True
cleaner.links = True
cleaner.meta = True
cleaner.page_structure = True
cleaner.processing_instructions = True
cleaner.forms = True
cleaner.add_nofollow = True
ret = []
for document in corpuses:
#html = unicodedata.normalize('NFKD', html).encode('ascii','ignore')
if len(document) > 0:
try:
document = lxml.html.document_fromstring(document)
c = cleaner.clean_html(document)
html = lxml.html.tostring(c)
soup = BeautifulSoup(html, 'lxml')
parsed_text = soup.get_text()
if (len(parsed_text) > MINSIZE_CHARSDOC):
parsed_text = parsed_text.lower()
tokenizer = RegexpTokenizer(r'\w+')
# create English stop words list
en_stop = get_stop_words('en')
it_stop = get_stop_words('it')
sp_stop = get_stop_words('es')
ge_stop = get_stop_words('de')
fr_stop = get_stop_words('fr')
# Create p_stemmer of class PorterStemmer
#p_stemmer = PorterStemmer()
# clean and tokenize document string
tokens = tokenizer.tokenize(parsed_text)
# remove stop words from tokens
stopped_tokens1 = [i for i in tokens if not i in en_stop]
stopped_tokens2 = [
i for i in stopped_tokens1 if not i in it_stop
]
stopped_tokens3 = [
i for i in stopped_tokens2 if not i in sp_stop
]
stopped_tokens4 = [
i for i in stopped_tokens3 if not i in ge_stop
]
stopped_tokens5 = [
i for i in stopped_tokens4 if not i in fr_stop
]
for word in stopped_tokens5:
if not any(char.isdigit() for char in word):
if len(word) > 1:
#check if the word has the alphabet character
if isAlphabet(word):
ret.append(word)
except:
print('Exception : Document empty')
return [loc, ret]
html = requests.get(url).text
doc = fromstring(html)
tags = [
'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'div', 'span',
'img', 'area', 'map'
]
args = {
'meta': False,
'safe_attrs_only': False,
'page_structure': False,
'scripts': True,
'style': True,
'links': True,
'remove_tags': tags
}
cleaner = Cleaner(**args)
path = '/html/body'
body = doc.xpath(path)[0]
result = cleaner.clean_html(
body).text_content().encode('ascii', 'ignore')
dict_result[el] += "\n\n " + " ".join(
str(result).split(" ")[:count_of_words])
except:
print("error at ", el[:100])
dict_result[el] = ""
else:
dict_result[el] = ""
idx += 1
count += 1
single_blank_pat = re.compile(r'\s')
all_digit_pat = re.compile(r'^\d*$')
title_sep_pat = re.compile(r'[-_|－]') #—
site_name_end_pat = re.compile(r'(网|在线|门户|频道|栏目|站点?|新闻|政府|办公室)$')
escape_pat = re.compile(r'&(nbsp|lt|gt);')
single_punc_pat = re.compile(r'[^ 0-9A-Za-z\u4E00-\u9FFF]')
article_date_pat = re.compile(
r'(?:^|[^-+\d])((?:19|20)?\d{2})([\./\-_年]?)(1[0-2]|0?[1-9])([\./\-_月]?)([1-2][0-9]|3[0-1]|0?[1-9])'
+
r'(?:[^-+:\d](?:\s*((?:1|0?)[0-9]|2[0-3])[:点时]((?:[1-5]|0?)[0-9])(?:[:分]((?:[1-5]|0?)[0-9]))?(?:[^-+:\d]|$))?|$)'
)
blank_date_pat = re.compile(r'(?<!\d)\s|\s(?!\d)')
time_prefix_pat = re.compile(r'时间|日期|时期|发表|发布|提交|上传|于')
html_body_pat = re.compile(r'<\s*/\s*(html|body)\s*>', re.IGNORECASE)
cleaner = Cleaner()
cleaner.javascript = True # This is True because we want to activate the javascript filter
cleaner.style = True # This is True because we want to activate the styles & stylesheet filter
def remove_blanks(text):
text = blank_pat.sub(' ', text)
return blank_date_pat.sub('', text)
def strip_site_names_from_title(title):
title = title_sep_pat.split(title, 1)[0].strip()
parts = title.split()
while len(parts) > 1:
if site_name_end_pat.search(parts[-1]):
parts.pop()
import logging import re from lxml import etree from lxml.html.clean import Cleaner from .filters import duplicate_test, textfilter from .settings import CUT_EMPTY_ELEMS, DEFAULT_CONFIG, MANUALLY_CLEANED, MANUALLY_STRIPPED from .utils import trim LOGGER = logging.getLogger(__name__) # HTML_CLEANER config # http://lxml.de/api/lxml.html.clean.Cleaner-class.html # https://lxml.de/apidoc/lxml.html.clean.html HTML_CLEANER = Cleaner() HTML_CLEANER.annoying_tags = False # True HTML_CLEANER.comments = True HTML_CLEANER.embedded = False # True HTML_CLEANER.forms = False # True HTML_CLEANER.frames = False # True HTML_CLEANER.javascript = False HTML_CLEANER.links = False HTML_CLEANER.meta = False HTML_CLEANER.page_structure = False HTML_CLEANER.processing_instructions = True HTML_CLEANER.remove_unknown_tags = False HTML_CLEANER.safe_attrs_only = False HTML_CLEANER.scripts = False HTML_CLEANER.style = False #HTML_CLEANER.remove_tags = MANUALLY_STRIPPED
def get_chapters(self, extract_images=True, images_path=None, as_list=False, clean=True, cleaner_params={}):
"""
Extracts content of all files from epub into a single string and returns it.
Args:
extract_images (bool): If it should extract images from epub. Defaults to True.
images_path (str): A path where all images src's should lead to.
If not set, uses self.epub_info["images"], which should be set by self.extract_images() if extract_images = False.
If self.epub_info["images"] is not set, uses "images/".
as_list (bool): Return chapters as a list or as an HTML-string. Defaults to False.
clean (bool): If chapters should be cleaned off of malicious HTML.
cleaner_params (dict): Dictionary of cleaner params,
a full list of which is available in the documentation to lxml.html.clean.Cleaner class.
Returns:
chapters (str|list): String or list of strings containing the text of the book formatted as html.
None: if input file is not found.
Raises:
KeyError: if a file is not found in the epub archive.
"""
if not self.ifile: return
#set paths to images in chapters' markup
epub_images = self.get_epub_info().get("images")
if images_path:
images_path = images_path
else:
if epub_images:
images_path = epub_images
else:
images_path = "images/"
#extract images
if extract_images:
self.extract_images()
files = self.__get_files()
#create a cleaner
cleaner = Cleaner(**cleaner_params) if clean else None
if as_list:
chapters = []
for filename in files:
if ".htm" in filename or ".xml" in filename:
original = find_file(self.ifile,filename)
try:
with self.ifile.open(original) as f:
chapter = build_chapter(f, images_path=images_path, cleaner=cleaner)
chapter.attrib["id"]=filename
chapters.append(html.tostring(chapter).decode('utf-8'))
except KeyError as e:
handle_error(e)
else:
chapters = etree.Element("div")
for filename in files:
if ".htm" in filename or ".xml" in filename:
original = find_file(self.ifile,filename)
try:
with self.ifile.open(original) as f:
chapter = build_chapter(f, images_path=images_path, cleaner=cleaner)
chapter.attrib["id"]=filename
chapters.append(chapter)
except KeyError as e:
handle_error(e)
chapters = html.tostring(chapters).decode('utf-8')
return chapters
RE_BLANK_LINE = re.compile(r'(\n\s*)(\n\s*)+')
lxml_html_parser = lxml.html.HTMLParser(remove_blank_text=True,
remove_comments=True,
collect_ids=False)
lxml_text_html_cleaner = Cleaner(
scripts=True,
javascript=True,
comments=True,
style=True,
links=True,
meta=True,
page_structure=True,
processing_instructions=True,
embedded=True,
frames=True,
forms=True,
annoying_tags=True,
remove_tags=set(['body']),
kill_tags=set(['code', 'pre', 'img', 'video', 'noscript']),
)
def story_html_to_text(content, clean=True):
"""
>>> content = '''<html><body>
... <pre>hello world</pre>
...
...
def mainPage(board):
url = "https://www.backpackers.com.tw/forum/forumdisplay.php?f=60&prefixid={0}".format(
board)
#url = "https://www.backpackers.com.tw/forum/forumdisplay.php?f=60&prefixid=voyage"
useragnet = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.117 Safari/537.36'
header = {'User-Agent': useragnet}
#proxies = {"http": "http://spys.one/en/","https": "https://free-proxy-list.net/",}
for i in range(2, 3):
res = requests.get(url, headers=header)
cleaner = Cleaner(style=True,
scripts=True,
comments=True,
javascript=True,
page_structure=False,
safe_attrs_only=False)
content = cleaner.clean_html(
res.content.decode('utf-8')).encode('utf-8')
#print(content)
bs = BeautifulSoup(content, 'html.parser')
body = bs.find("tbody", {"id": "threadbits_forum_60"})
print(type(body))
trSec = body.find_all("tr")
print(trSec)
artileList = []
for tr in trSec:
articleDict = {}
t = tr.find_all("td",
{"id": re.compile(r"^td_threadtitle_[0-9]+")})
tdSec1 = tr.select("td", {"class": "alt1"})
tag = tdSec1[1].select("div")
# print(tag)
tdSec2 = tr.select("td", {"class": "alt2", "title": "回覆"})
# print(tdSec)
for td in tdSec2:
date = td.select("div.smallfont")
if len(date) > 0:
#print(date[0].text.strip())
articleDict["date"] = date[0].text.strip().split("\n")[0]
timer = td.select("div.smallfont > span.time")
if len(timer) > 0:
#print(time[0].text.strip())
articleDict["time"] = timer[0].text.strip()
user = td.select("div.smallfont > span.byx")
if len(user) > 0:
#print(user[0].text.strip())
articleDict["author"] = user[0].text.strip()
href = td.select("a")
# print(href)
for hr in href:
if hr["href"] != "#":
print("title:", hr.text)
if hr.text == "":
continue
articleDict["title"] = hr.text
articleDict[
"url"] = "https://www.backpackers.com.tw/forum/{0}".format(
hr["href"])
time.sleep(random.randint(1, 5))
# 爬每篇文章,回傳內文跟圖片連結
article, imgList = CrawlArticle(
articleDict["url"], header)
# 儲存圖片&回傳儲存路徑
ipath = getImage(imgList)
articleDict["content"] = article
articleDict["imgPath"] = ipath
if len(articleDict.keys()) > 0:
artileList.append(articleDict)
print(artileList)
#for a in artileList:
#print(a)
# InsertMongo(a, "Backpacker")
time.sleep(random.randint(1, 5))
url = "https://www.backpackers.com.tw/forum/forumdisplay.php?f=60&prefixid={0}&order=desc&page={1}".format(
board, i)
'figcaption', 'footer', 'form', 'header', 'hr', 'legend', 'li', 'main',
'nav', 'table', 'tr'
])
DOUBLE_NEWLINE_TAGS = frozenset([
'blockquote', 'dl', 'figure', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'ol',
'p', 'pre', 'title', 'ul'
])
_clean_html = Cleaner(
scripts=True,
javascript=False, # onclick attributes are fine
comments=True,
style=True,
links=True,
meta=True,
page_structure=False, # <title> may be nice to have
processing_instructions=True,
embedded=True,
frames=True,
forms=False, # keep forms
annoying_tags=False,
remove_unknown_tags=False,
safe_attrs_only=False,
).clean_html
def _cleaned_html_tree(html):
if isinstance(html, lxml.html.HtmlElement):
tree = html
else:
tree = parse_html(html)
return _clean_html(tree)
def clean_attributes(html):
while htmlstrip.search(html):
html = htmlstrip.sub('<\\1\\2>', html)
return html
def normalize_spaces(s):
if not s: return ''
"""replace any sequence of whitespace
characters with a single space"""
return ' '.join(s.split())
html_cleaner = Cleaner(scripts=True,
javascript=True,
comments=True,
style=True,
links=True,
meta=False,
add_nofollow=False,
page_structure=False,
processing_instructions=True,
embedded=False,
frames=False,
forms=False,
annoying_tags=False,
remove_tags=None,
remove_unknown_tags=False,
safe_attrs_only=False)
class UclCopySpider(scrapy.contrib.spiders.CrawlSpider):
# Track parsed items
lock = threading.Lock()
parsed = {}
# Setup html cleaner to remove js and css
cleaner = Cleaner()
cleaner.javascript = True
cleaner.style = True
cleaner.page_structure = False
# Store a counter of files parsed to save a unique filename
counter = 0
name = "ucl"
# Define the allowed domains for crawling
allowed_domains = [
"advancedteaching.cs.ucl.ac.uk", "blogs.ucl.ac.uk",
"busics.cs.ucl.ac.uk", "ccs.chem.ucl.ac.uk", "crest.cs.ucl.ac.uk",
"crf.casa.ucl.ac.uk", "discovery.ucl.ac.uk", "geometry.cs.ucl.ac.uk",
"haig.cs.ucl.ac.uk", "iris.ucl.ac.uk", "is.cs.ucl.ac.uk",
"mediafutures.cs.ucl.ac.uk", "nrg.cs.ucl.ac.uk",
"onlinestore.ucl.ac.uk", "pplv.cs.ucl.ac.uk", "readinglists.ucl.ac.uk",
"reality.cs.ucl.ac.uk", "sec.cs.ucl.ac.uk", "vecg.cs.ucl.ac.uk",
"vis.cs.ucl.ac.uk", "web4.cs.ucl.ac.uk", "www-mice.cs.ucl.ac.uk",
"www.bartlett.ucl.ac.uk", "www.cege.ucl.ac.uk", "www.chem.ucl.ac.uk",
"www.cs.ucl.ac.uk", "www.csml.ucl.ac.uk", "www.ee.ucl.ac.uk",
"www.engineering.ucl.ac.uk", "www.gatsby.ucl.ac.uk",
"www.geog.ucl.ac.uk", "www.grad.ucl.ac.uk", "www.homepages.ucl.ac.uk",
"www.icn.ucl.ac.uk", "www.igp.ucl.ac.uk", "www.laws.ucl.ac.uk",
"www.london-in-motion.ucl.ac.uk", "www.mailinglists.ucl.ac.uk",
"www.mecheng.ucl.ac.uk", "www.meng.ucl.ac.uk", "www.phon.ucl.ac.uk",
"www.silva-sandbox.ucl.ac.uk", "www.star.ucl.ac.uk", "www.ucl.ac.uk",
"www0.cs.ucl.ac.uk", "zuserver2.star.ucl.ac.uk"
]
# Define the starting pages to crawl
start_urls = [
"http://advancedteaching.cs.ucl.ac.uk", "http://blogs.ucl.ac.uk",
"http://busics.cs.ucl.ac.uk", "http://ccs.chem.ucl.ac.uk",
"http://crest.cs.ucl.ac.uk", "http://crf.casa.ucl.ac.uk",
"http://discovery.ucl.ac.uk", "http://geometry.cs.ucl.ac.uk",
"http://haig.cs.ucl.ac.uk", "http://iris.ucl.ac.uk",
"http://is.cs.ucl.ac.uk", "http://mediafutures.cs.ucl.ac.uk",
"http://nrg.cs.ucl.ac.uk", "http://onlinestore.ucl.ac.uk",
"http://pplv.cs.ucl.ac.uk", "http://readinglists.ucl.ac.uk",
"http://reality.cs.ucl.ac.uk", "http://sec.cs.ucl.ac.uk",
"http://vecg.cs.ucl.ac.uk", "http://vis.cs.ucl.ac.uk",
"http://web4.cs.ucl.ac.uk", "http://www-mice.cs.ucl.ac.uk",
"http://www.bartlett.ucl.ac.uk", "http://www.cege.ucl.ac.uk",
"http://www.chem.ucl.ac.uk", "http://www.cs.ucl.ac.uk",
"http://www.csml.ucl.ac.uk", "http://www.ee.ucl.ac.uk",
"http://www.engineering.ucl.ac.uk", "http://www.gatsby.ucl.ac.uk",
"http://www.geog.ucl.ac.uk", "http://www.grad.ucl.ac.uk",
"http://www.homepages.ucl.ac.uk", "http://www.icn.ucl.ac.uk",
"http://www.igp.ucl.ac.uk", "http://www.laws.ucl.ac.uk",
"http://www.london-in-motion.ucl.ac.uk",
"http://www.mailinglists.ucl.ac.uk", "http://www.mecheng.ucl.ac.uk",
"http://www.meng.ucl.ac.uk", "http://www.phon.ucl.ac.uk",
"http://www.silva-sandbox.ucl.ac.uk", "http://www.star.ucl.ac.uk",
"http://www.ucl.ac.uk", "http://www0.cs.ucl.ac.uk",
"http://zuserver2.star.ucl.ac.uk"
]
# Define additional rules to limit crawlable_domains within allowed domains
crawlable_domains = [
"http://advancedteaching.cs.ucl.ac.uk/.*", "http://blogs.ucl.ac.uk/.*",
"http://busics.cs.ucl.ac.uk/.*", "http://ccs.chem.ucl.ac.uk/.*",
"http://crest.cs.ucl.ac.uk/.*", "http://crf.casa.ucl.ac.uk/.*",
"http://discovery.ucl.ac.uk/.*", "http://geometry.cs.ucl.ac.uk/.*",
"http://haig.cs.ucl.ac.uk/.*", "http://iris.ucl.ac.uk/.*",
"http://is.cs.ucl.ac.uk/.*", "http://mediafutures.cs.ucl.ac.uk/.*",
"http://nrg.cs.ucl.ac.uk/.*", "http://onlinestore.ucl.ac.uk/.*",
"http://pplv.cs.ucl.ac.uk/.*", "http://readinglists.ucl.ac.uk/.*",
"http://reality.cs.ucl.ac.uk/.*", "http://sec.cs.ucl.ac.uk/.*",
"http://vecg.cs.ucl.ac.uk/.*", "http://vis.cs.ucl.ac.uk/.*",
"http://web4.cs.ucl.ac.uk/.*", "http://www-mice.cs.ucl.ac.uk/.*",
"http://www.bartlett.ucl.ac.uk/.*", "http://www.cege.ucl.ac.uk/.*",
"http://www.chem.ucl.ac.uk/.*", "http://www.cs.ucl.ac.uk/.*",
"http://www.csml.ucl.ac.uk/.*", "http://www.ee.ucl.ac.uk/.*",
"http://www.engineering.ucl.ac.uk/.*",
"http://www.gatsby.ucl.ac.uk/.*", "http://www.geog.ucl.ac.uk/.*",
"http://www.grad.ucl.ac.uk/.*", "http://www.homepages.ucl.ac.uk/.*",
"http://www.icn.ucl.ac.uk/.*", "http://www.igp.ucl.ac.uk/.*",
"http://www.laws.ucl.ac.uk/.*",
"http://www.london-in-motion.ucl.ac.uk/.*",
"http://www.mailinglists.ucl.ac.uk/.*",
"http://www.mecheng.ucl.ac.uk/.*", "http://www.meng.ucl.ac.uk/.*",
"http://www.phon.ucl.ac.uk/.*",
"http://www.silva-sandbox.ucl.ac.uk/.*",
"http://www.star.ucl.ac.uk/.*", "http://www.ucl.ac.uk/.*",
"http://www0.cs.ucl.ac.uk/.*", "http://zuserver2.star.ucl.ac.uk/.*"
]
rules = (Rule(LinkExtractor(allow_domains=crawlable_domains),
callback='parse'), )
# The method called on a document retrieval
def parse(self, response):
# Ignore non html responses
if not isinstance(response, HtmlResponse):
return
# Clean html responses of non-html
clean_html = self.cleaner.clean_html(response.body)
soup = BeautifulSoup(clean_html, "lxml")
# Use a lock whilst tracking document numbers and urls crawled
self.lock.acquire()
try:
with open('sitescrawled.txt', "a") as myfile:
myfile.write(response.url + "\n")
with open('sites/url' + str(self.counter), 'wb') as f:
# Output BeautifulSoup formatted html, with additonal <url> header tag
f.write("<url>" + response.url + "</url>\n" +
soup.prettify("utf-8"))
self.counter += 1
finally:
self.lock.release()
for href in response.css("a::attr('href')"):
# Ignore php items and hyperlink tags in the url header
url = response.urljoin(href.extract())
url = url.split('?')[0].split('#')[0]
yield scrapy.Request(url)
def get_message_tree(self):
tree = {
'id': self.get_msg_info(self.index.MSG_ID),
'tags': self.get_msg_info(self.index.MSG_TAGS).split(','),
'summary': self.get_msg_summary(),
'headers': {},
'headers_lc': {},
'attributes': {},
'text_parts': [],
'html_parts': [],
'attachments': [],
'conversation': [],
}
conv_id = self.get_msg_info(self.index.MSG_CONV_MID)
if conv_id:
conv = Email(self.index, int(conv_id, 36))
tree['conversation'] = convs = [conv.get_msg_summary()]
for rid in conv.get_msg_info(self.index.MSG_REPLIES).split(','):
if rid:
convs.append(Email(self.index, int(rid, 36)).get_msg_summary())
# FIXME: Decide if this is strict enough or too strict...?
html_cleaner = Cleaner(page_structure=True, meta=True, links=True,
javascript=True, scripts=True, frames=True,
embedded=True, safe_attrs_only=True)
msg = self.get_msg()
for hdr in msg.keys():
tree['headers'][hdr] = self.index.hdr(msg, hdr)
tree['headers_lc'][hdr.lower()] = self.index.hdr(msg, hdr)
# Note: count algorithm must match that used in extract_attachment above
count = 0
for part in msg.walk():
mimetype = part.get_content_type()
if mimetype.startswith('multipart/'):
continue
count += 1
if (part.get('content-disposition', 'inline') == 'inline'
and mimetype in ('text/plain', 'text/html')):
payload, charset, openpgp = self.decode_payload(part)
if (mimetype == 'text/html' or
'<html>' in payload or
'</body>' in payload):
print "Adding stuff to pgp tree!"
tree['html_parts'].append({
'openpgp_status': openpgp and openpgp[0] or '',
'openpgp_data': openpgp and openpgp[1] or '',
'charset': charset,
'type': 'html',
'data': (payload.strip() and html_cleaner.clean_html(payload)) or ''
})
tree['text_parts'][0]["openpgp_status"] = openpgp and openpgp[0] or ''
tree['text_parts'][0]["openpgp_data"] = openpgp and openpgp[1] or ''
else:
tree['text_parts'].extend(self.parse_text_part(payload, charset,
openpgp))
else:
tree['attachments'].append({
'mimetype': mimetype,
'count': count,
'part': part,
'length': len(part.get_payload(None, True) or ''),
'content-id': part.get('content-id', ''),
'filename': part.get_filename() or ''
})
if self.is_editable():
tree['is_editable'] = True
tree['editing_strings'] = self.get_editing_strings(tree)
return tree
f = ArchiveIterator(options.input.buffer)
else:
f = ArchiveIterator(open(options.input, 'rb'))
if options.output == sys.stdout:
fo = WARCWriter(options.output.buffer, gzip=True)
else:
fo = WARCWriter(open(options.output, 'wb'), gzip=True)
if options.pdfpass is not None:
po = WARCWriter(open(options.pdfpass, 'wb'), gzip=True)
if not options.pdfpass and options.pdfextract:
extractor = ExtrP()
cleaner = Cleaner(style=True, links=True, add_nofollow=True, page_structure=False, safe_attrs_only=False)
if options.output == sys.stdout:
filename = options.input
else:
filename = options.output
fo.write_record(fo.create_warcinfo_record(filename=filename, info={'software': 'bitextor/bitextor-warc2htmlwarc.py', 'format': 'WARC File Format 1.0'}))
for record in f:
# Initial checks
if record.rec_type != 'response' and record.rec_type != 'resource':
continue
if record.rec_headers.get_header('WARC-Target-URI')[0] == '<' and record.rec_headers.get_header('WARC-Target-URI')[-1] == '>':
url = record.rec_headers.get_header('WARC-Target-URI')[1:-1]
else:
def html2text(html):
cleaner = Cleaner()
cleaner.javascript = True # This is True because we want to activate the javascript filter
cleaner.style = True
cleaner.scripts = True
cleaner.comments = True
cleaner.links = True
cleaner.meta = True
cleaner.page_structure = True
cleaner.processing_instructions = True
cleaner.forms = True
cleaner.add_nofollow = True
#html = unicodedata.normalize('NFKD', html).encode('ascii','ignore')
try:
document = lxml.html.document_fromstring(html)
c = cleaner.clean_html(document)
html = lxml.html.tostring(c)
soup = BeautifulSoup(html, 'lxml')
parsed_text = soup.get_text()
if (len(parsed_text) > MINSIZE_CHARSDOC):
return parsed_text.lower()
else:
return None
except:
return None
class HTMLSupport(object):
"""Provides helpers for HTML file context extraction."""
# this is from lxml/apihelpers.pxi
RE_XML_ENCODING = re.compile(
ur'^(<\?xml[^>]+)\s+encoding\s*=\s*["\'][^"\']*["\'](\s*\?>|)',
re.U) # noqa
cleaner = Cleaner(
page_structure=True,
scripts=True,
javascript=True,
style=True,
links=True,
embedded=True,
forms=True,
frames=True,
meta=True,
# remove_tags=['a'],
kill_tags=['head'])
def get_meta(self, doc, field):
for field_attr in ('property', 'name'):
for el in doc.findall('.//meta[@%s="%s"]' % (field_attr, field)):
content = collapse_spaces(el.get('content'))
if content is not None and len(content):
return content
def extract_html_header(self, doc):
"""Get metadata from the HTML head element."""
self.update('summary', self.get_meta(doc, 'og:title'))
self.update('title', doc.findtext('.//title'))
self.update('summary', self.get_meta(doc, 'og:description'))
self.update('summary', self.get_meta(doc, 'description'))
self.update('author', self.get_meta(doc, 'author'))
self.update('author', self.get_meta(doc, 'og:site_name'))
self.update('published_at',
self.get_meta(doc, 'artcile:published_time')) # noqa
self.update('modified_at', self.get_meta(doc, 'artcile:modified_time'))
for field in ['keywords', 'news_keywords']:
content = self.get_meta(doc, field)
if content is not None:
content = [collapse_spaces(c) for c in content.split(',')]
content = [c for c in content if len(c)]
self.result.keywords.extend(content)
def extract_html_text(self, doc):
"""Get all text from a DOM, also used by the XML parser."""
text = ' '.join(self.extract_html_elements(doc))
text = collapse_spaces(text)
if len(text):
return text
def extract_html_elements(self, el):
yield el.text or ' '
for child in el:
for text in self.extract_html_elements(child):
yield text
yield el.tail or ' '
def extract_html_content(self, html_body, fix_html=True):
"""Ingestor implementation."""
if html_body is None:
return
try:
try:
doc = html.fromstring(html_body)
except ValueError:
# Ship around encoding declarations.
# https://stackoverflow.com/questions/3402520
html_body = self.RE_XML_ENCODING.sub('', html_body, count=1)
doc = html.fromstring(html_body)
except (ParserError, ParseError, ValueError):
raise ProcessingException("HTML could not be parsed.")
self.extract_html_header(doc)
self.cleaner(doc)
text = self.extract_html_text(doc)
self.result.flag(self.result.FLAG_HTML)
self.result.emit_html_body(html_body, text)
from pyquery import PyQuery as pq
from lxml import html
import re
from lxml.html.clean import Cleaner
import logging
from urllib.parse import urlsplit, parse_qs
cleaner = Cleaner(javascript=True, scripts=True, style=True)
SinglePost = re.compile(r"http:\/\/www\.news\.uestc\.edu\.cn\/\?n\=UestcNews\.Front\.Document\.ArticlePage\&Id\=(\d+)")
Column = re.compile(r"http:\/\/www\.news\.uestc\.edu\.cn\/\?n\=UestcNews.Front.Category.Page&CatId=42")
logger = logging.getLogger("parser")
def makeParser(content, encoding="utf8"):
content = content.decode(encoding, "ignore") if isinstance(content, bytes) else str(content)
return pq(content)
def tostring(node):
"""
Convert to the html string, and clean the html
"""
return cleaner.clean_html(html.tostring(node, method="html", encoding="utf8").decode()).strip()
def convertUrl(url, strict=False):
logger.debug(url)
require(request.authz.can(collection['id'], action))
return collection
def get_url_path(url):
try:
return url_parse(url).replace(netloc='', scheme='').to_url() or '/'
except Exception:
return '/'
CLEANER = Cleaner(style=True,
meta=True,
links=False,
remove_tags=['body', 'form'],
kill_tags=[
'area', 'audio', 'base', 'bgsound', 'embed', 'frame',
'frameset', 'head', 'img', 'iframe', 'input', 'link',
'map', 'meta', 'nav', 'object', 'plaintext', 'track',
'video'
])
def sanitize_html(html_text, base_url, encoding=None):
"""Remove anything from the given HTML that must not show up in the UI."""
if html_text is None or not len(html_text.strip()):
return
try:
cleaned = CLEANER.clean_html(html_text)
encoding = encoding or 'utf-8'
parser = html.HTMLParser(encoding=encoding)
data = cleaned.encode(encoding, 'replace')
plainTextFile = lzma.open(options.outDir + "/" + options.prefix + "plain_text.xz", "w")
# Boilerpipe cleaning is optional
if options.boilerpipe:
deboilFile = lzma.open(options.outDir + "/" + options.prefix + "deboilerplate_html.xz", "w")
for record in f:
# We convert into UTF8 first of all
orig_encoding, text = convert_encoding(record.payload.read())
url = record.url
if orig_encoding is None:
logging.info("Encoding of document " + url + " could not be identified")
if len(text) > 0:
# HTML is then normalized
cleaner = Cleaner(style=True, links=True, add_nofollow=True, page_structure=False, safe_attrs_only=False)
tree=""
try:
cleanhtml = cleaner.clean_html(re.sub('encoding *= *"[^"]+"', '', text, flags=re.IGNORECASE))
document = html5lib.parse(ftfy.fix_text(cleanhtml), treebuilder="lxml", namespaceHTMLElements=False)
tree = etree.tostring(document)
except:
continue
tree = etree.tostring(document)
cleantree = tree.decode("utf8").replace(" ", " ")
cleantree = cleantree.replace("\t", " ")
# lang id
lang = guess_lang_from_data2(cleantree)
telefono = "".join(links[1].text_content().split())
fax = "".join(links[2].text_content().split())
if len(links[3].cssselect("a")[0].attrib['href']) > len('http://'):
web = links[3].cssselect("a")[0].attrib['href']
else:
web = ""
return direccion, telefono, fax, web
cleaner = Cleaner()
cleaner.kill_tags = ['strong']
for i in range(1, 45):
base_url = 'http://planetafan.com/cas/site/tiendas.asp?prov=0&loc=0&pag=' + str(
i)
html = scraperwiki.scrape(base_url)
root = lxml.html.fromstring(html)
links = root.cssselect("ul#listado-productos li")
for link in links:
record = {}
name = link.cssselect("a")[0].text_content()
from lxml.html.clean import Cleaner
from urlparse import urlparse, parse_qs
import numpy as np
from sklearn.base import BaseEstimator, TransformerMixin
from sklearn.feature_extraction import DictVectorizer
from sklearn.feature_extraction.text import CountVectorizer
from .functions import parent_tag, block_length, number_pattern, url_edit_distance
from .preprocess import Tagset
_cleaner = Cleaner(style=True,
scripts=True,
embedded=True,
links=True,
page_structure=False,
remove_unknown_tags=False,
meta=False,
safe_attrs_only=False)
def tokenize(text):
return text.split()
def get_text(anchor):
return anchor.text
def get_attr_text(anchor):
return anchor.get('class', '') + anchor.get('id', '')
from lxml.html.clean import Cleaner import lxml from lxml import etree from lxml.html import HtmlElement from lxml.html import tostring as lxml_html_tostring from lxml.html.soupparser import fromstring as soup_parse from parse import search as parse_search from parse import findall, Result from w3lib.encoding import html_to_unicode DEFAULT_ENCODING = 'utf-8' DEFAULT_URL = 'https://example.org/' DEFAULT_USER_AGENT = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/603.3.8 (KHTML, like Gecko) Version/10.1.2 Safari/603.3.8' DEFAULT_NEXT_SYMBOL = ['next', 'more', 'older'] cleaner = Cleaner() cleaner.javascript = True cleaner.style = True useragent = None # Typing. _Find = Union[List['Element'], 'Element'] _XPath = Union[List[str], List['Element'], str, 'Element'] _Result = Union[List['Result'], 'Result'] _HTML = Union[str, bytes] _BaseHTML = str _UserAgent = str _DefaultEncoding = str _URL = str _RawHTML = bytes
def clean_html(text):
cleaner = Cleaner(style=False)
return cleaner.clean_html(text)
#print(content.decode('utf-8'))
data['text'] = content.decode('utf-8')
except Exception as e:
raise e
return data
if __name__ == '__main__':
url = 'http://www.lajyzx.cn/Bulletin/BulletinBrowse.aspx?id=9888'
HEADERS = {#'Accept':"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
'User-Agent': 'Mozilla/5.0 (Linux; U; Android 7.1.1; zh-cn; MI 6 Build/NMF26X) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30',
}
cleaner = Cleaner(page_structure=False,
links=False,
style=True,
scripts=True)
response = requests.get(url, headers=HEADERS)
response.encoding = 'utf-8'
time.sleep(2)
#print(response.text)
body = lxml.html.fromstring(response.text)
#
#element = element.replace('DownLoad(','').replace(')','')
#做判断
#杭州
#elements = re.findall('onclick="DownLoad\((.*?)\)"',response.text)
#del_ele = tree.xpath('//div[@class="MainTitle"]')
#for ele in del_ele:
# ele.clear()
#node_elems = tree.xpath('//div/ul/li/a[@href="javascript:void(0);"]')
return [item[0].text for item in root]
@staticmethod
def _text_cleanup(text):
global cleaner
raw_html = cleaner.clean_html(text)
# TODO: remove links
# TODO: remove code
# TODO: remove Latin
# TODO: remove garbage
# TODO: replace Latin omographs with Cyrillic
# TODO: unify qmarks
if len(raw_html) > 0:
unwrap_regex = re.compile(r'\A<div>(.*?)</div>\Z',
flags=re.MULTILINE | re.DOTALL)
cut_html = unwrap_regex.match(raw_html).group(1)
return cut_html
else:
return None
@staticmethod
def texts_cleanup(texts):
return list(
filter(lambda s: len(s) > 0, map(ScrapyImport._text_cleanup,
texts)))
cleaner = Cleaner(allow_tags=[''],
remove_unknown_tags=None,
kill_tags=['code', 'blockquote', 's', 'strike'])
