mirror of
https://github.com/searxng/searxng.git
synced 2024-11-18 08:51:06 +00:00
3d96a9839a
This patch was generated by black [1]::
make format.python
[1] https://github.com/psf/black
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
91 lines
2.5 KiB
Python
91 lines
2.5 KiB
Python
import math
|
|
|
|
from searx.data import EXTERNAL_URLS
|
|
|
|
|
|
IMDB_PREFIX_TO_URL_ID = {
|
|
'tt': 'imdb_title',
|
|
'mn': 'imdb_name',
|
|
'ch': 'imdb_character',
|
|
'co': 'imdb_company',
|
|
'ev': 'imdb_event',
|
|
}
|
|
HTTP_WIKIMEDIA_IMAGE = 'http://commons.wikimedia.org/wiki/Special:FilePath/'
|
|
|
|
|
|
def get_imdb_url_id(imdb_item_id):
|
|
id_prefix = imdb_item_id[:2]
|
|
return IMDB_PREFIX_TO_URL_ID.get(id_prefix)
|
|
|
|
|
|
def get_wikimedia_image_id(url):
|
|
if url.startswith(HTTP_WIKIMEDIA_IMAGE):
|
|
return url[len(HTTP_WIKIMEDIA_IMAGE) :]
|
|
if url.startswith('File:'):
|
|
return url[len('File:') :]
|
|
return url
|
|
|
|
|
|
def get_external_url(url_id, item_id, alternative="default"):
|
|
"""Return an external URL or None if url_id is not found.
|
|
|
|
url_id can take value from data/external_urls.json
|
|
The "imdb_id" value is automaticaly converted according to the item_id value.
|
|
|
|
If item_id is None, the raw URL with the $1 is returned.
|
|
"""
|
|
if item_id is not None:
|
|
if url_id == 'imdb_id':
|
|
url_id = get_imdb_url_id(item_id)
|
|
elif url_id == 'wikimedia_image':
|
|
item_id = get_wikimedia_image_id(item_id)
|
|
|
|
url_description = EXTERNAL_URLS.get(url_id)
|
|
if url_description:
|
|
url_template = url_description["urls"].get(alternative)
|
|
if url_template is not None:
|
|
if item_id is not None:
|
|
return url_template.replace('$1', item_id)
|
|
else:
|
|
return url_template
|
|
return None
|
|
|
|
|
|
def get_earth_coordinates_url(latitude, longitude, osm_zoom, alternative='default'):
|
|
url = (
|
|
get_external_url('map', None, alternative)
|
|
.replace('${latitude}', str(latitude))
|
|
.replace('${longitude}', str(longitude))
|
|
.replace('${zoom}', str(osm_zoom))
|
|
)
|
|
return url
|
|
|
|
|
|
def area_to_osm_zoom(area):
|
|
"""Convert an area in km² into an OSM zoom. Less reliable if the shape is not round.
|
|
|
|
logarithm regression using these data:
|
|
* 9596961 -> 4 (China)
|
|
* 3287263 -> 5 (India)
|
|
* 643801 -> 6 (France)
|
|
* 6028 -> 9
|
|
* 1214 -> 10
|
|
* 891 -> 12
|
|
* 12 -> 13
|
|
|
|
In WolframAlpha:
|
|
>>> log fit {9596961,15},{3287263, 14},{643801,13},{6028,10},{1214,9},{891,7},{12,6}
|
|
|
|
with 15 = 19-4 (China); 14 = 19-5 (India) and so on
|
|
|
|
Args:
|
|
area (int,float,str): area in km²
|
|
|
|
Returns:
|
|
int: OSM zoom or 19 in area is not a number
|
|
"""
|
|
try:
|
|
amount = float(area)
|
|
return max(0, min(19, round(19 - 0.688297 * math.log(226.878 * amount))))
|
|
except ValueError:
|
|
return 19
|