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searxng/searx/engines/flickr_noapi.py
2016-12-09 18:59:19 +01:00

117 lines
3.1 KiB
Python

#!/usr/bin/env python
"""
Flickr (Images)
@website https://www.flickr.com
@provide-api yes (https://secure.flickr.com/services/api/flickr.photos.search.html)
@using-api no
@results HTML
@stable no
@parse url, title, thumbnail, img_src
"""
from urllib import urlencode
from json import loads
from time import time
import re
from searx.engines import logger
logger = logger.getChild('flickr-noapi')
categories = ['images']
url = 'https://www.flickr.com/'
search_url = url + 'search?{query}&page={page}'
time_range_url = '&min_upload_date={start}&max_upload_date={end}'
photo_url = 'https://www.flickr.com/photos/{userid}/{photoid}'
regex = re.compile(r"\"search-photos-lite-models\",\"photos\":(.*}),\"totalItems\":", re.DOTALL)
image_sizes = ('o', 'k', 'h', 'b', 'c', 'z', 'n', 'm', 't', 'q', 's')
paging = True
time_range_support = True
time_range_dict = {'day': 60 * 60 * 24,
'week': 60 * 60 * 24 * 7,
'month': 60 * 60 * 24 * 7 * 4}
def build_flickr_url(user_id, photo_id):
return photo_url.format(userid=user_id, photoid=photo_id)
def _get_time_range_url(time_range):
if time_range in time_range_dict:
return time_range_url.format(start=time(), end=str(int(time()) - time_range_dict[time_range]))
return ''
def request(query, params):
params['url'] = (search_url.format(query=urlencode({'text': query}), page=params['pageno'])
+ _get_time_range_url(params['time_range']))
return params
def response(resp):
results = []
matches = regex.search(resp.text)
if matches is None:
return results
match = matches.group(1)
search_results = loads(match)
if '_data' not in search_results:
return []
photos = search_results['_data']
for photo in photos:
# In paged configuration, the first pages' photos
# are represented by a None object
if photo is None:
continue
img_src = None
# From the biggest to the lowest format
for image_size in image_sizes:
if image_size in photo['sizes']:
img_src = photo['sizes'][image_size]['url']
break
if not img_src:
logger.debug('cannot find valid image size: {0}'.format(repr(photo)))
continue
if 'ownerNsid' not in photo:
continue
# For a bigger thumbnail, keep only the url_z, not the url_n
if 'n' in photo['sizes']:
thumbnail_src = photo['sizes']['n']['url']
elif 'z' in photo['sizes']:
thumbnail_src = photo['sizes']['z']['url']
else:
thumbnail_src = img_src
url = build_flickr_url(photo['ownerNsid'], photo['id'])
title = photo.get('title', '')
author = photo['username']
# append result
results.append({'url': url,
'title': title,
'img_src': img_src,
'thumbnail_src': thumbnail_src,
'content': '',
'author': author,
'template': 'images.html'})
return results