compact geojson files reducing float precision

lib/legacy/generate_geo_jsons.py

@@ -4,9 +4,11 @@
 """
 import argparse
 import io
-import ujson as json
-from pathlib import Path
 import sqlite3
+from pathlib import Path
+
+import ujson as json
+
 import metrics_common as mc
 
 GEOJSON_HEADER = """
@@ -40,7 +42,6 @@ def compute_description(row, met_cursor):
 
 def manage_geom(geo_string):
     """ return geometry data """
-
     # decode
     return json.loads(geo_string)
 
@@ -60,7 +61,7 @@ def output_feature(fd, row, metrics_cursor):
         'geometry': manage_geom(row['coords']),
     }
 
-    fd.write(json.dumps(feature_data, ensure_ascii=False, indent=2, sort_keys=True))
+    fd.write(json.dumps(feature_data, ensure_ascii=False, sort_keys=True, double_precision=2))
 
 
 def generate_geojson_file(category, conn, geojson_filepath: Path):