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