mirror of
https://github.com/Mikaela/Limnoria.git
synced 2024-11-17 07:49:22 +01:00
79 lines
2.9 KiB
Python
79 lines
2.9 KiB
Python
###
|
|
# Copyright (c) 2021, Valentin Lorentz
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are met:
|
|
#
|
|
# * Redistributions of source code must retain the above copyright notice,
|
|
# this list of conditions, and the following disclaimer.
|
|
# * Redistributions in binary form must reproduce the above copyright notice,
|
|
# this list of conditions, and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
# * Neither the name of the author of this software nor the name of
|
|
# contributors to this software may be used to endorse or promote products
|
|
# derived from this software without specific prior written consent.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
# POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
###
|
|
|
|
|
|
import json
|
|
import time
|
|
import threading
|
|
import urllib.parse
|
|
|
|
import supybot.utils as utils
|
|
from .common import headers
|
|
|
|
NOMINATIM_BASE_URL = "https://nominatim.openstreetmap.org"
|
|
|
|
_QUERY_LOCK = threading.Lock()
|
|
_LAST_QUERY_TIME = 0
|
|
|
|
|
|
def _wait_before_query():
|
|
"""Should be called before any API access. Blocks the current thread
|
|
in order to follow the rate limit:
|
|
https://operations.osmfoundation.org/policies/nominatim/"""
|
|
|
|
global _LAST_QUERY_TIME
|
|
|
|
min_time_between_queries = 1.0
|
|
|
|
with _QUERY_LOCK:
|
|
time_since_last_query = _LAST_QUERY_TIME - time.time()
|
|
if time_since_last_query >= min_time_between_queries:
|
|
time.sleep(min_time_between_queries - time_since_last_query)
|
|
_LAST_QUERY_TIME = time.time()
|
|
|
|
|
|
def _query_nominatim(path, params):
|
|
url = NOMINATIM_BASE_URL + path + "?" + urllib.parse.urlencode(params)
|
|
|
|
_wait_before_query()
|
|
|
|
content = utils.web.getUrlContent(url, headers=headers())
|
|
return json.loads(content)
|
|
|
|
|
|
def search_osmids(query):
|
|
"""Queries nominatim's search endpoint and returns a list of OSM ids
|
|
|
|
See https://nominatim.org/release-docs/develop/api/Search/ for details
|
|
on the query format"""
|
|
data = _query_nominatim("/search", {"format": "json", "q": query})
|
|
|
|
return [item["osm_id"] for item in data if item.get("osm_id")]
|