HTTP télécharger du texte par Python/QGIS

from qgis.PyQt.QtCore import *
from qgis.PyQt.QtNetwork import QNetworkRequest, QNetworkReply
from qgis.core import QgsNetworkAccessManager

def telecharger_texte(url, params={}, headers={}):
	qurl = QUrl(url)
	# Facultatif, pour ajouter des paramètres à la requête :
	q = QUrlQuery(qurl)
	for key, value in params.items():  q.addQueryItem(key, value)
	qurl.setQuery(q)
	request = QNetworkRequest(qurl)
	# Option pour forcer la requete par le réseau et ne pas utiliser le cache :
	# request.setAttribute(QNetworkRequest.CacheLoadControlAttribute,QNetworkRequest.AlwaysNetwork)
	
	# Infos header optionnelles :
	for key, value in headers.items():  request.setRawHeader(key, value)
	
	reply = QgsNetworkAccessManager.instance().get(request)
	evloop= QEventLoop()
	reply.finished.connect(evloop.quit)
	evloop.exec_(QEventLoop.AllEvents) 
	reply.deleteLater()
	
	error = reply.error()
	if error == QNetworkReply.NoError: # OK
		return reply.readAll().data().decode('utf-8','ignore')
	elif error == QNetworkReply.SslHandshakeFailedError:
		print('Certificat obsolete qui bloque la requete')
		return False
	if error == QNetworkReply.ConnectionRefusedError:
		print('The remote server refused the connection (the server is not accepting requests)')
		return False
	if error == QNetworkReply.RemoteHostClosedError :
		print('The remote server closed the connection prematurely before the entire reply was received and processed')
		return False
	if error == QNetworkReply.HostNotFoundError :
		print('The remote host name was not found (invalid hostname)')
		return False
	else:
		print('Autre erreur reseau :', str(error) )
		return False


texte = telecharger_texte('https://geo.api.gouv.fr/departements')