Ponysearch/searx/engines/flickr_noapi.py
Alexandre Flament 2179079a91
[fix] fix flickr_noapi decoding (#1655)
Characters that were not ASCII were incorrectly decoded.
Add an helper function: searx.utils.ecma_unescape (Python implementation of unescape Javascript function).
2019-08-02 13:37:13 +02:00

122 lines
3.8 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 json import loads
from time import time
import re
from searx.engines import logger
from searx.url_utils import urlencode
from searx.utils import ecma_unescape, html_to_text
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}'
modelexport_re = re.compile(r"^\s*modelExport:\s*({.*}),$", re.M)
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,
'year': 60 * 60 * 24 * 7 * 52}
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 = modelexport_re.search(resp.text)
if matches is None:
return results
match = matches.group(1)
model_export = loads(match)
if 'legend' not in model_export:
return results
legend = model_export['legend']
# handle empty page
if not legend or not legend[0]:
return results
for index in legend:
photo = model_export['main'][index[0]][int(index[1])][index[2]][index[3]][int(index[4])]
author = ecma_unescape(photo.get('realname', ''))
source = ecma_unescape(photo.get('username', '')) + ' @ Flickr'
title = ecma_unescape(photo.get('title', ''))
content = html_to_text(ecma_unescape(photo.get('description', '')))
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']
img_format = 'jpg ' \
+ str(photo['sizes'][image_size]['width']) \
+ 'x' \
+ str(photo['sizes'][image_size]['height'])
break
if not img_src:
logger.debug('cannot find valid image size: {0}'.format(repr(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
if 'ownerNsid' not in photo:
# should not happen, disowned photo? Show it anyway
url = img_src
else:
url = build_flickr_url(photo['ownerNsid'], photo['id'])
results.append({'url': url,
'title': title,
'img_src': img_src,
'thumbnail_src': thumbnail_src,
'content': content,
'author': author,
'source': source,
'img_format': img_format,
'template': 'images.html'})
return results