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searxng/searx/engines/flickr_noapi.py
2023-03-30 21:04:53 +02:00

144 lines
4.2 KiB
Python

# SPDX-License-Identifier: AGPL-3.0-or-later
# lint: pylint
"""Flickr (Images)
"""
from typing import TYPE_CHECKING
import json
from time import time
import re
from urllib.parse import urlencode
from searx.utils import ecma_unescape, html_to_text
if TYPE_CHECKING:
import logging
logger: logging.Logger
# about
about = {
"website": 'https://www.flickr.com',
"wikidata_id": 'Q103204',
"official_api_documentation": 'https://secure.flickr.com/services/api/flickr.photos.search.html',
"use_official_api": False,
"require_api_key": False,
"results": 'HTML',
}
# engine dependent config
categories = ['images']
paging = True
time_range_support = True
safesearch = False
time_range_dict = {
'day': 60 * 60 * 24,
'week': 60 * 60 * 24 * 7,
'month': 60 * 60 * 24 * 7 * 4,
'year': 60 * 60 * 24 * 7 * 52,
}
image_sizes = ('o', 'k', 'h', 'b', 'c', 'z', 'm', 'n', 't', 'q', 's')
search_url = 'https://www.flickr.com/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)
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): # pylint: disable=too-many-branches
results = []
matches = modelexport_re.search(resp.text)
if matches is None:
return results
match = matches.group(1)
model_export = json.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 x, index in enumerate(legend):
if len(index) != 8:
logger.debug("skip legend enty %s : %s", x, index)
continue
photo = model_export['main'][index[0]][int(index[1])][index[2]][index[3]][index[4]][index[5]][int(index[6])][
index[7]
]
author = ecma_unescape(photo.get('realname', ''))
source = ecma_unescape(photo.get('username', ''))
if source:
source += ' @ 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
size_data = None
for image_size in image_sizes:
if image_size in photo['sizes']['data']:
size_data = photo['sizes']['data'][image_size]['data']
break
if not size_data:
logger.debug('cannot find valid image size: {0}'.format(repr(photo['sizes']['data'])))
continue
img_src = size_data['url']
img_format = f"{size_data['width']} x {size_data['height']}"
# For a bigger thumbnail, keep only the url_z, not the url_n
if 'n' in photo['sizes']['data']:
thumbnail_src = photo['sizes']['data']['n']['data']['url']
elif 'z' in photo['sizes']['data']:
thumbnail_src = photo['sizes']['data']['z']['data']['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'])
result = {
'url': url,
'img_src': img_src,
'thumbnail_src': thumbnail_src,
'source': source,
'img_format': img_format,
'template': 'images.html',
}
result['author'] = author.encode(errors='ignore').decode()
result['source'] = source.encode(errors='ignore').decode()
result['title'] = title.encode(errors='ignore').decode()
result['content'] = content.encode(errors='ignore').decode()
results.append(result)
return results