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app.py

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+import json
+from xml.etree.ElementTree import Element, SubElement, tostring
+import xml.dom.minidom as minidom
+import gradio as gr
+
+def convert_json_to_kml(json_file):
+    data = json.load(json_file)
+
+    kml = Element('kml', xmlns="http://www.opengis.net/kml/2.2")
+    document = SubElement(kml, 'Document')
+
+    for i, track in enumerate(data):
+        placemark = SubElement(document, 'Placemark')
+        name = SubElement(placemark, 'name')
+        name.text = f"Track {i + 1}"
+
+        linestring = SubElement(placemark, 'LineString')
+        tessellate = SubElement(linestring, 'tessellate')
+        tessellate.text = '1'
+
+        coordinates = SubElement(linestring, 'coordinates')
+        coord_text = "\n".join(
+            [f"{point['longitude']},{point['latitude']},0" for point in track]
+        )
+        coordinates.text = coord_text
+
+    kml_str = minidom.parseString(tostring(kml)).toprettyxml(indent="  ")
+
+    kml_path = "/tmp/converted_track.kml"
+    with open(kml_path, "w") as f:
+        f.write(kml_str)
+
+    return kml_path
+
+iface = gr.Interface(
+    fn=convert_json_to_kml,
+    inputs=gr.File(label="Upload JSON File"),
+    outputs=gr.File(label="Download KML File"),
+    title="JSON to KML Converter",
+    description="Upload a JSON file with latitude/longitude tracks to generate a KML file."
+)
+
+if __name__ == "__main__":
+    iface.launch()

requirements.txt

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+gradio