searxng/searx/engines/dictionary.py

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2016-09-06 09:47:27 +00:00
import re
from lxml import html
from searx.engines.xpath import extract_text
from searx.languages import language_codes
categories = []
url = 'http://dictzone.com/{from_lang}-{to_lang}-dictionary/{query}'
weight = 100
parser_re = re.compile(u'.*?([a-z]+)-([a-z]+) (.+)', re.I)
results_xpath = './/table[@id="r"]/tr'
def request(query, params):
m = parser_re.match(unicode(query, 'utf8'))
if not m:
return params
from_lang, to_lang, query = m.groups()
if len(from_lang) == 2:
lan = filter(lambda x: x[0][:2] == from_lang, language_codes)
if lan:
from_lang = lan[0][1].lower()
else:
return params
if len(to_lang) == 2:
lan = filter(lambda x: x[0][:2] == to_lang, language_codes)
if lan:
to_lang = lan[0][1].lower()
else:
return params
params['url'] = url.format(from_lang=from_lang, to_lang=to_lang,query=query)
params['from_lang'] = from_lang
params['to_lang'] = to_lang
params['query'] = query
return params
def response(resp):
results = []
answers = []
dom = html.fromstring(resp.text)
for result in dom.xpath(results_xpath)[1:]:
try:
from_result, to_results_raw = result.xpath('./td')
except:
continue
to_results = []
for to_result in to_results_raw.xpath('./p/a'):
t = to_result.text_content()
if t.strip():
to_results.append(to_result.text_content())
results.append({
'answer': u'{0} - {1}'.format(
from_result.text_content(),
'; '.join(to_results)
),
'url': url
})
return results