Merge pull request #1030 from EnMAP-Box/1017-location-browser-request…

…sexceptionsjsondecodeerror-expecting-value-line-1-column-1-char-0-1

1017 location browser requestsexceptionsjsondecodeerror expecting value line 1 column 1 char 0 1

enmapbox/eo4qapps/locationbrowserapp/locationbrowserdockwidget.py

@@ -130,11 +130,12 @@ def onRequestNominatimClicked(self):
         url = 'https://nominatim.openstreetmap.org/search?q=' \
               f'{urllib.parse.quote(text)}' \
               '&limit=50&extratags=1&polygon_geojson=1&format=json'
-        nominatimResults = requests.get(url).json()
+        headers = {'User-Agent': 'EnMAP-Box QGIS Plugin ([email protected])'}  # Required user agent
+        nominatimResults = requests.get(url, headers=headers).json()
         # find additional results
         if len(nominatimResults) == 1:
             url += f'&exclude_place_ids={nominatimResults[0]["place_id"]}'
-            nominatimResults.extend(requests.get(url).json())
+            nominatimResults.extend(requests.get(url, headers=headers).json())
 
         self.mResult.mList.clear()
         item = QListWidgetItem('')

tests/enmap-box/enmapbox/eo4qapps/locationbrowserapp/test_LocationBrowserApp.py

@@ -0,0 +1,11 @@
+import requests
+from enmapboxprocessing.testcase import TestCase
+
+
+class LocationBrowserApp(TestCase):
+
+    def test_nominatim(self):
+        url = 'https://nominatim.openstreetmap.org/search?q=berlin&limit=50&extratags=1&polygon_geojson=1&format=json'
+        headers = {"User-Agent": "EnMAP-Box QGIS Plugin ([email protected])"}  # Required user agent
+        nominatimResults = requests.get(url, headers=headers)
+        self.assertEqual(nominatimResults.status_code, 200)