.

AequilibraE · Feb 8, 2024 · 979b157 · 979b157
1 parent 121e41d
commit 979b157
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/aequilibrae/project/network/osm/osm_downloader.py b/aequilibrae/project/network/osm/osm_downloader.py
@@ -95,10 +95,12 @@ def doWork(self):
         self.__emit_all(["Value", len(self.polygons)])
         self.__emit_all(["text", "Downloading finished. Processing data"])
         for lst, table in [(self._links, "links"), (self._nodes, "nodes")]:
-            df = pd.concat(lst, ignore_index=True).drop_duplicates(subset=["id"]).drop(columns=["type"])
+            df = pd.DataFrame([])
+            if len(lst) > 0:
+                df = pd.concat(lst, ignore_index=True).drop_duplicates(subset=["id"]).drop(columns=["type"])
             if table != "links":
                 df = df.drop(columns=["tags"], errors="ignore")
-            self.data[table] = df.rename(columns={"id": "osm_id"})
+            self.data[table] = df.rename(columns={"id": "osm_id"}, errors="ignore")
             lst.clear()
             gc.collect()
 

diff --git a/tests/aequilibrae/project/test_osm_downloader.py b/tests/aequilibrae/project/test_osm_downloader.py
@@ -32,7 +32,7 @@ def test_do_work2(self):
         o = OSMDownloader([box(-112.185, 36.59, -112.179, 36.60)], ["car"])
         o.doWork()
 
-        if "elements" not in o.json[0]:
+        if len(o.json) == 0 or "elements" not in o.json[0]:
             return
 
         if len(o.json[0]["elements"]) > 1000: