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"""
Recoll (local search engine)
@using-api yes
@results JSON
@stable yes
@parse url, content, size, abstract, author, mtype, subtype, time, \
filename, label, type, embedded
"""
from datetime import date, timedelta
from json import loads
from urllib.parse import urlencode, quote
# engine dependent config
time_range_support = True
# parameters from settings.yml
base_url = None
search_dir = ''
mount_prefix = None
dl_prefix = None
# embedded
embedded_url = '<{ttype} controls height="166px" ' +\
'src="{url}" type="{mtype}"></{ttype}>'
# helper functions
def get_time_range(time_range):
sw = {
'day': 1,
'week': 7,
'month': 30,
'year': 365
}
offset = sw.get(time_range, 0)
if not offset:
return ''
return (date.today() - timedelta(days=offset)).isoformat()
# do search-request
def request(query, params):
search_after = get_time_range(params['time_range'])
search_url = base_url + 'json?{query}&highlight=0'
params['url'] = search_url.format(query=urlencode({
'query': query,
'after': search_after,
'dir': search_dir}))
return params
# get response from search-request
def response(resp):
results = []
response_json = loads(resp.text)
if not response_json:
return []
for result in response_json.get('results', []):
title = result['label']
url = result['url'].replace('file://' + mount_prefix, dl_prefix)
content = '{}'.format(result['snippet'])
# append result
item = {'url': url,
'title': title,
'content': content,
'template': 'files.html'}
if result['size']:
item['size'] = int(result['size'])
for parameter in ['filename', 'abstract', 'author', 'mtype', 'time']:
if result[parameter]:
item[parameter] = result[parameter]
# facilitate preview support for known mime types
if 'mtype' in result and '/' in result['mtype']:
(mtype, subtype) = result['mtype'].split('/')
item['mtype'] = mtype
item['subtype'] = subtype
if mtype in ['audio', 'video']:
item['embedded'] = embedded_url.format(
ttype=mtype,
url=quote(url.encode('utf8'), '/:'),
mtype=result['mtype'])
if mtype in ['image'] and subtype in ['bmp', 'gif', 'jpeg', 'png']:
item['img_src'] = url
results.append(item)
if 'nres' in response_json:
results.append({'number_of_results': response_json['nres']})
return results
|
