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nemubot/modules/ddg/Wikipedia.py

60 lines
2.0 KiB
Python

# coding=utf-8
import http.client
import re
from urllib.parse import quote
import module_states_file as xmlparser
class Wikipedia:
def __init__(self, terms, lang="fr"):
self.terms = terms
self.lang = lang
self.curRT = -1
(res, page) = getPage(terms, self.lang)
if res == http.client.OK or res == http.client.SEE_OTHER:
self.wres = xmlparser.parse_string(page)
else:
self.wres = None
@property
def nextRes(self):
if self.wres is not None and self.wres.hasNode("query"):
if self.wres.getFirstNode("query").hasNode("pages"):
if self.wres.getFirstNode("query").getFirstNode("pages").hasNode("page"):
if self.wres.getFirstNode("query").getFirstNode("pages").getFirstNode("page").hasNode("revisions"):
self.curRT += 1
content = self.wres.getFirstNode("query").getFirstNode("pages").getFirstNode("page").getFirstNode("revisions").getFirstNode("rev").getContent().split("\n")
while self.curRT < len(content) and striplink(content[self.curRT]).strip() == "":
self.curRT += 1
return striplink(content[self.curRT])
return "No more results"
def striplink(data):
p = re.compile(r'(<!--.*-->|\{\{.*\}\}|\[\[[^\]]+\|[^\]]+\|[^\]\|]+\]\])')
q = re.compile(r'\[\[([^\]]+)\|([^\]]+)]]')
r = re.compile(r'\[\[([^\]]+)\]\]')
(s, n) = p.subn('', data)
if s == "":
return s
(s, n) = q.subn(r"\1", s)
if s == "":
return s
(s, n) = r.subn(r"\1", s)
return s.replace("'''", "*")
def getPage(terms, lang):
conn = http.client.HTTPConnection(lang + ".wikipedia.org", timeout=5)
try:
conn.request("GET", "/w/api.php?format=xml&redirects&action=query&prop=revisions&rvprop=content&rvsection=0&titles=%s" % quote(terms), None, {"User-agent": "Nemubot v3"})
except socket.gaierror:
print ("impossible de récupérer la page %s."%(p))
return (http.client.INTERNAL_SERVER_ERROR, None)
res = conn.getresponse()
data = res.read()
conn.close()
return (res.status, data)