Merge pull request #630 from davidar/doi

Add Crossref search engine and DOAI rewrite plugin
This commit is contained in:
Adam Tauber 2016-08-10 11:39:00 +02:00 committed by GitHub
commit 96d623436c
4 changed files with 59 additions and 2 deletions

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@ -8,6 +8,14 @@ content_query = None
title_query = None title_query = None
# suggestion_xpath = '' # suggestion_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 iterate(iterable): def iterate(iterable):
if type(iterable) == dict: if type(iterable) == dict:
@ -69,8 +77,14 @@ def query(data, query_string):
def request(query, params): def request(query, params):
query = urlencode({'q': query})[2:] query = urlencode({'q': query})[2:]
params['url'] = search_url.format(query=query)
fp = {'query': query}
if paging and search_url.find('{pageno}') >= 0:
fp['pageno'] = (params['pageno'] + first_page_num - 1) * page_size
params['url'] = search_url.format(**fp)
params['query'] = query params['query'] = query
return params return params

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@ -19,7 +19,8 @@ from searx import logger
logger = logger.getChild('plugins') logger = logger.getChild('plugins')
from searx.plugins import (https_rewrite, from searx.plugins import (doai_rewrite,
https_rewrite,
open_results_on_new_tab, open_results_on_new_tab,
self_info, self_info,
search_on_category_select, search_on_category_select,
@ -73,6 +74,7 @@ class PluginStore():
plugins = PluginStore() plugins = PluginStore()
plugins.register(doai_rewrite)
plugins.register(https_rewrite) plugins.register(https_rewrite)
plugins.register(open_results_on_new_tab) plugins.register(open_results_on_new_tab)
plugins.register(self_info) plugins.register(self_info)

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@ -0,0 +1,31 @@
from flask_babel import gettext
import re
from urlparse import urlparse, parse_qsl
regex = re.compile(r'10\.\d{4,9}/[^\s]+')
name = gettext('DOAI rewrite')
description = gettext('Avoid paywalls by redirecting to open-access versions of publications when available')
default_on = False
def extract_doi(url):
match = regex.search(url.path)
if match:
return match.group(0)
for _, v in parse_qsl(url.query):
match = regex.search(v)
if match:
return match.group(0)
return None
def on_result(request, ctx):
doi = extract_doi(ctx['result']['parsed_url'])
if doi and len(doi) < 50:
for suffix in ('/', '.pdf', '/full', '/meta', '/abstract'):
if doi.endswith(suffix):
doi = doi[:-len(suffix)]
ctx['result']['url'] = 'http://doai.io/' + doi
ctx['result']['parsed_url'] = urlparse(ctx['result']['url'])
return True

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@ -87,6 +87,16 @@ engines:
- name : btdigg - name : btdigg
engine : btdigg engine : btdigg
shortcut : bt shortcut : bt
- name : crossref
engine : json_engine
paging : True
search_url : http://search.crossref.org/dois?q={query}&page={pageno}
url_query : doi
title_query : title
content_query : fullCitation
categories : science
shortcut : cr
- name : currency - name : currency
engine : currency_convert engine : currency_convert