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import logging
import codecs
import time
import urllib.request
from lxml.html import parse
from . import model
logger = logging.getLogger(__name__)
COMMENT_URL = "https://www.wikifolio.com/dynamic/de/de/invest/" \
"getpagedmessagesforwikifolio/{name}?Id={id}" \
"&tv=False" \
"&id={id}" \
"&page=1" \
"&pageSize=5" \
"&_={timestamp}"
USER_AGENT = "Mozilla/4.0 (compatible; MSIE 6.0; " \
"Windows NT 5.1; FSL 7.0.6.01001)"
def make_request(url):
request = urllib.request.Request(url)
request.add_header("User-Agent", USER_AGENT)
return request
def get_id_from_name(name):
"""
:param name: sanitized name of the certificate (line in url)
:rtype: Certificate
"""
request = make_request(model.BASE_URL + name)
with urllib.request.urlopen(request) as input_raw:
document = parse(codecs.getreader('utf-8')(input_raw))
try:
return model.Certificate(
document.find('//input[@id="wikifolio"]').value,
document.find('//input[@id="wikifolio-shortdesc"]').value,
document.find('//input[@id="wikifolio-isin"]').value,
document.find('//div[@data-trader]').get('data-trader'))
except:
raise Exception("Failed to find wikifolio infos (id,name,isin) in html page")
def get_comments(cert):
"""
:type cert: Certificate instance
"""
logger.info("Fetch comments of {.name}".format(cert))
request = make_request(COMMENT_URL.format(
id=cert.id, name=cert.name, timestamp=int(time.time())))
with urllib.request.urlopen(request) as input_raw:
document = parse(codecs.getreader('utf-8')(input_raw))
comments = document.findall('//div[@class="user-comment"]')
for div_comment in comments:
pubDate = div_comment.find('div/time').get('datetime')
yield model.Comment(
time.strptime(pubDate, "%d.%m.%Y %H:%M:%S"),
"{trader} <{trader}@localhost>".format(trader=cert.trader),
div_comment.find('div[@class="message-item-content"]').text,
div_comment.get('id'),
cert.make_url())
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