257 lines
8.8 KiB
Python
257 lines
8.8 KiB
Python
#!/usr/bin/env python3
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# Copyright 2021 Olav63, SebF
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""Collections de méthodes utilitaires"""
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import json
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import logging
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import os
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import datetime
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import shutil
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import pathlib
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import csv
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from collections import OrderedDict
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import requests
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from pyexcel_ods3 import save_data
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from osm_vc63 import errors
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class Utils:
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"""Classe de méthodes utilitaires"""
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overpass_url: str
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geo_api_url: str
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dossier_resultats: str
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def __init__(self, overpass_url, geo_api_url, dossier_resultats):
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self.overpass_url = overpass_url
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self.geo_api_url = geo_api_url
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self.dossier_resultats = dossier_resultats
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def save_as_ods(self, fields, data, nom_req, ods_data_sheet=OrderedDict()):
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"""Sauvegarde de data dans un classeur ods"""
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# ods_data_sheet = OrderedDict()
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ods_data = []
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ods_data.append(fields.keys())
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index_line = 2
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for element in data["elements"]:
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line = []
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index_col = 0
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for field in fields.keys():
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if field in element["tags"]:
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if field == "capacity":
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val = element["tags"][field]
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line.append(int(val) if val.isdigit() else val)
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else:
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line.append(element["tags"][field])
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else:
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line.append("")
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index_col = index_col + 1
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ods_data.append(line)
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index_line = index_line + 1
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ods_data_sheet.update({f"{nom_req}": ods_data})
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save_data(self.dossier_resultats + "resultats.ods", ods_data_sheet)
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logging.info("Sauvegarde résultats format ODS")
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def save_as_json(self, export_json, nom_req):
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"""Enregistrement du JSON"""
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json_file = open(self.dossier_resultats + nom_req + ".json", "w")
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json_file.write(json.dumps(export_json))
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json_file.close()
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logging.info("Sauvegarde résultat format JSON/OSM")
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def nettoyage_json_pour_umap(self, data, overpass_query_fields):
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"""Sélection uniquement des champs export_json == oui"""
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export_json = {
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"version": data["version"],
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"generator": data["generator"] + " and ETALAB API",
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"osm3s": data["osm3s"],
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"elements": [],
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}
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index_line = 0
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for element in data["elements"]:
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export_json["elements"].append(
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{"type": element["type"], "id": element["id"]}
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)
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# positionnement des éléments
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if element["type"] == "node": # noeuds
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export_json["elements"][index_line]["lat"] = element["lat"]
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export_json["elements"][index_line]["lon"] = element["lon"]
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else: # ways et relations
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export_json["elements"][index_line]["center"] = element["center"]
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export_json["elements"][index_line]["nodes"] = element["nodes"]
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# filtrage des tags
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description = ""
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for tag in overpass_query_fields.keys():
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if overpass_query_fields[tag]["export_json"] == "Oui":
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if tag in element["tags"]:
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if overpass_query_fields[tag]["FR"] != "":
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description = (
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description + overpass_query_fields[tag]["FR"] + " : "
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)
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description = description + str(element["tags"][tag]) + "\n"
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export_json["elements"][index_line]["tags"] = {"description": description}
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index_line = index_line + 1
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return export_json
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def run_overpass_query(self, critere, aire_de_recherche):
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"""Envoie la requête Overpass et retourne la réponse JSON."""
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overpass_query = (
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"""[out:json];
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(
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"""
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+ critere
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+ """
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);
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out center;
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"""
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)
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overpass_query = overpass_query.replace("aire_de_recherche", aire_de_recherche)
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response = requests.get(self.overpass_url, params={"data": overpass_query})
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if response.status_code != 200:
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raise errors.OverpassError(response.status_code)
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return response.json()
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def geocodage_csv(self, data):
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"""
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Renseigne une adresse pour chaque élément de data
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en une fois via csv
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"""
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url = self.geo_api_url + "/reverse/csv/"
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# création du fichier à envoyer à l'API
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with open("tmp_geocodage.csv", "w", newline="") as tmp_csv_file:
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csv_writer = csv.writer(tmp_csv_file)
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csv_writer.writerow(["lat", "lon"])
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for element in data["elements"]:
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if element["type"] == "node":
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csv_writer.writerow([element["lat"], element["lon"]])
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else:
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csv_writer.writerow(
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[element["center"]["lat"], element["center"]["lon"]]
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)
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# préparation et envoi de la requête
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payload = dict(
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[("data", ("tmp_geocodage.csv", open("tmp_geocodage.csv", "rb").read()))]
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)
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response = requests.post(url, files=payload)
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# nettoyage
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os.remove("tmp_geocodage.csv")
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if response.status_code != 200:
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raise errors.GeoApiError(response.status_code)
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# affectation des addresses
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for element in data["elements"]:
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for row in csv.DictReader(response.text.splitlines()):
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if element["type"] == "node":
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lat_ok = row["lat"] == str(element["lat"])
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lon_ok = row["lon"] == str(element["lon"])
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else:
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lat_ok = row["lat"] == str(element["center"]["lat"])
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lon_ok = row["lon"] == str(element["center"]["lon"])
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if lat_ok and lon_ok:
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element["tags"]["api_adresse:geometry:coordinates:lon"] = row[
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"result_longitude"
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]
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element["tags"]["api_adresse:geometry:coordinates:lat"] = row[
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"result_latitude"
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]
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element["tags"]["api_adresse:properties:label"] = row[
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"result_label"
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]
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element["tags"]["api_adresse:properties:housenumber"] = row[
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"result_housenumber"
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]
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element["tags"]["api_adresse:properties:type"] = row["result_type"]
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element["tags"]["api_adresse:properties:name"] = row["result_name"]
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element["tags"]["api_adresse:properties:postcode"] = row[
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"result_postcode"
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]
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element["tags"]["api_adresse:properties:citycode"] = row[
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"result_citycode"
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]
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element["tags"]["api_adresse:properties:city"] = row["result_city"]
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element["tags"]["api_adresse:properties:street"] = row[
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"result_street"
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]
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logging.info("Géocodage inversé terminé")
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return data
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def traduction(self, tag, dictionnaire, data):
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"""Traduit le champ tag des éléments de data avec dict"""
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for element in data["elements"]:
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if tag in element["tags"]:
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element["tags"][tag] = dictionnaire[element["tags"][tag]]
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return data
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def archivage(self, dossier_archive):
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"""Archivage des données précédentes"""
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fichier = pathlib.Path(self.dossier_resultats + "resultats.ods")
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if not fichier.exists():
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return
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date_fichier = datetime.date.fromtimestamp(fichier.stat().st_ctime)
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# une seule archive par date
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if os.path.isdir(dossier_archive + str(date_fichier)):
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shutil.rmtree(dossier_archive + str(date_fichier))
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os.makedirs(dossier_archive + str(date_fichier))
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# pylint: disable=W0106
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[
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shutil.move(
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self.dossier_resultats + file, dossier_archive + str(date_fichier)
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)
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for file in os.listdir(self.dossier_resultats)
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if not os.path.isdir(self.dossier_resultats + file)
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]
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