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from lxml import html
from urllib.parse import urlencode
from searx.utils import extract_text, extract_url, eval_xpath
search_url = None
url_xpath = None
content_xpath = None
title_xpath = None
thumbnail_xpath = False
paging = False
suggestion_xpath = ''
results_xpath = ''
# parameters for engines with paging support
#
# number of results on each page
# (only needed if the site requires not a page number, but an offset)
page_size = 1
# number of the first page (usually 0 or 1)
first_page_num = 1
def request(query, params):
query = urlencode({'q': query})[2:]
fp = {'query': query}
if paging and search_url.find('{pageno}') >= 0:
fp['pageno'] = (params['pageno'] - 1) * page_size + first_page_num
params['url'] = search_url.format(**fp)
params['query'] = query
return params
def response(resp):
results = []
dom = html.fromstring(resp.text)
if results_xpath:
for result in eval_xpath(dom, results_xpath):
url = extract_url(eval_xpath(result, url_xpath), search_url)
title = extract_text(eval_xpath(result, title_xpath))
content = extract_text(eval_xpath(result, content_xpath))
tmp_result = {'url': url, 'title': title, 'content': content}
# add thumbnail if available
if thumbnail_xpath:
thumbnail_xpath_result = eval_xpath(result, thumbnail_xpath)
if len(thumbnail_xpath_result) > 0:
tmp_result['img_src'] = extract_url(thumbnail_xpath_result, search_url)
results.append(tmp_result)
else:
for url, title, content in zip(
(extract_url(x, search_url) for
x in eval_xpath(dom, url_xpath)),
map(extract_text, eval_xpath(dom, title_xpath)),
map(extract_text, eval_xpath(dom, content_xpath))
):
results.append({'url': url, 'title': title, 'content': content})
if not suggestion_xpath:
return results
for suggestion in eval_xpath(dom, suggestion_xpath):
results.append({'suggestion': extract_text(suggestion)})
return results
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