Searx/ImmortalPoetry

"""
 @website     https://immortalpoetry.com/
 @provide-api yes (http://www.mediawiki.org/wiki/API:Search)
 @using-api   yes
 @results     JSON
 @stable      yes
 @parse       url, title, content
 @todo        change search URL depending on language
"""
from json import loads
from string import Formatter
from lxml.html import fromstring
from searx.url_utils import urlencode, quote
from searx.utils import html_to_text
# hmm
# engine dependent config
categories = ['general']
language_support = True
paging = True
number_of_results = 5
search_type = 'title'  # possible values: title, text, nearmatch
supported_languages = ['en', 'nb', 'no', 'sv']
base_url = 'https://linuxreviews.org/'
search_postfix = 'w/api.php?action=query'\
    '&list=search'\
    '&{query}'\
    '&format=json'\
    '&sroffset={offset}'\
    '&srlimit={limit}'
#    '&srwhat={searchtype}'
# get first meaningful paragraph
# try to avoid [[File:images]] and [[links]]
# TODO: Just filter [ and ] and remove if it's an image
def extract_first_paragraph(content):
    first_paragraph = None
    failed_attempts = 0
    for wparagraph in content.split(']'):
        for paragraph in wparagraph.split('['):
            length = len(paragraph)
            if length >= 30:
                first_paragraph = paragraph
                break
        failed_attempts += 1
        if failed_attempts > 5:
            return None
    return first_paragraph
# do search-request
def request(query, params):
    offset = (params['pageno'] - 1) * number_of_results
    string_args = dict(query=urlencode({'srsearch': query}),
                       offset=offset,
                       limit=number_of_results,
                       searchtype=search_type)
    if params['language'] == 'all':
        lang = 'en-US'
    else:
        lang = params['language']
    if lang == 'en':
        lang = 'en-US'
    if lang == 'en-US':
        site = 'immortalpoetry.com'
    elif lang == 'nb-NO':
        site = 'dikt.org'
    elif lang == 'sv-SE':
        site = 'svenskadikter.com'
    else:
        return None
    site_url = 'https://' + site + '/'
    #format_strings = list(Formatter().parse(base_url))
    search_url = site_url + search_postfix
    params['url'] = search_url.format(**string_args)
    params['site_url'] = site_url.format(**string_args)
    return params
# get response from search-request
def response(resp):
    results = []
    search_results = loads(resp.text)
    language = resp.search_params['language']
    site_url = resp.search_params['site_url']
    # return empty array if there are no results
    if not search_results.get('query', {}).get('search'):
        return []
    # parse results
    for result in search_results['query']['search']:
        if result.get('snippet', '').startswith('#REDIRECT'):
            continue
        url = site_url + quote(result['title'].replace(' ', '_').encode('utf-8'))
        extract = result['snippet']
        exttext = html_to_text(extract)
        summary = extract_first_paragraph(exttext)
        # append result
        results.append({'url': url,
                        'title': result['title'],
                        'content': summary})
    # return results
    return results

  - name : immortalpoetry
    engine : immortalpoetry
    shortcut : ip
    weight : 2
    number_of_results : 5