Value Error when downloading Data from OSM

[MustaphaAhmedALy]

I am trying to use the code to download the routable data from osmnx it produce#

Error

(
File "import.py", line 32, in
save_graph_shapefile_directional(G, filepath='stockholm')
File "import.py", line 26, in save_graph_shapefile_directional
gdf_edges.to_file(filepath_edges, encoding=encoding)
File "/home/mustafa/.local/lib/python3.8/site-packages/geopandas/geodataframe.py", line 746, in to_file
_to_file(self, filename, driver, schema, index, **kwargs)
File "/home/mustafa/.local/lib/python3.8/site-packages/geopandas/io/file.py", line 257, in _to_file
colxn.writerecords(df.iterfeatures())
File "/home/mustafa/.local/lib/python3.8/site-packages/fiona/collection.py", line 361, in writerecords
self.session.writerecs(records, self)
File "fiona/ogrext.pyx", line 1291, in fiona.ogrext.WritingSession.writerecs
File "fiona/ogrext.pyx", line 466, in fiona.ogrext.OGRFeatureBuilder.build
ValueError: Invalid field type <class 'tuple'>

)

"code for error reproduction"

(import osmnx as ox
import time
from shapely.geometry import Polygon
import os

def save_graph_shapefile_directional(G, filepath=None, encoding="utf-8"):
  # default filepath if none was provided
  if filepath is None:
      filepath = os.path.join(ox.settings.data_folder, "graph_shapefile")

  # if save folder does not already exist, create it (shapefiles
  # get saved as set of files)
  if not filepath == "" and not os.path.exists(filepath):
      os.makedirs(filepath)
  filepath_nodes = os.path.join(filepath, "nodes.shp")
  filepath_edges = os.path.join(filepath, "edges.shp")

  # convert undirected graph to gdfs and stringify non-numeric columns
  gdf_nodes, gdf_edges = ox.utils_graph.graph_to_gdfs(G)
  gdf_nodes = ox.io._stringify_nonnumeric_cols(gdf_nodes)
  gdf_edges = ox.io._stringify_nonnumeric_cols(gdf_edges)
  # We need an unique ID for each edge
  gdf_edges["fid"] = gdf_edges.index
  # save the nodes and edges as separate ESRI shapefiles
  gdf_nodes.to_file(filepath_nodes, encoding=encoding)
  gdf_edges.to_file(filepath_edges, encoding=encoding)

print("osmnx version",ox.__version__)

place ="Stockholm, Sweden"
G = ox.graph_from_place(place, network_type='drive', which_result=2)
save_graph_shapefile_directional(G, filepath='stockholm')
)
#

[MustaphaAhmedALy]

I have tried on 2 different Machine and the same error , maybe I am doing something wrong as I am new to python?

[cyang-kth]

Your error seems to be related with fiona

File "fiona/ogrext.pyx", line 466, in fiona.ogrext.OGRFeatureBuilder.build
ValueError: Invalid field type <class 'tuple'>

It seems that some fields of the dataframe has value of tuple that cannot be saved by fiona.
Try to google the answer or check the geodataframe to delete columns causing this issue.

[Mohammed-9089]

@cyang-kth
The problem because "fid" column is contain tuples, so how can we remove it, while the fmm using this filed. (fmm/example/osmnx_example/map_matching.ipynb) here using this filed.
Read network and graph
network = Network("stockholm/edges.shp","fid", "u", "v")

[MustaphaAhmedALy]

Solved using an older version of the osmnx library

[mapperosm]

Hi I face the same problem can you tell which version of osmnx should be used?

[MustaphaAhmedALy]

the version it worked with is " 0.15.0 "

[mapperosm]

Thank you. Now I face onother problem osmnx pulls the data from nominatim.openstreetmap.org and this service seems to be down. Does anyone know a different possibility?

[mapperosm]

now it works!