UpdateParameters() fails due to FTP timeout while downloading OMNI data

[astronuma2020]

Hi, thank you for maintaining this useful library!

I encountered an issue while running gp.Params.UpdateParameters(SkipWParameters=True) using PyGeopack.
The process fails during the OMNI data update step, throwing a TimeoutError.

Here is the traceback (standard Python output):

Traceback (most recent call last):

import PyGeopack as gp
gp.Params.UpdateParameters(SkipWParameters=True)

This process may take a while, please be patient
Updating Kp Indices
Downloading file 1 of 1
[==================================================]
Converting to binary
Saved file: Kp-2025.bin
Done
Updating OMNI Data
  File "script.py", line 3, in <module>
    gp.Params.UpdateParameters(SkipWParameters=True)
  File "/Users/username/.pyenv/versions/3.12.7/envs/3.12.7_project_env/lib/python3.12/site-packages/PyGeopack/Params/UpdateParameters.py", line 41, in UpdateParameters
    omni.UpdateLocalData()
  File "/Users/username/.pyenv/versions/3.12.7/envs/3.12.7_project_env/lib/python3.12/site-packages/pyomnidata/UpdateLocalData.py", line 23, in UpdateLocalData
    status = _DownloadFTPIndex(ftp)
  File "/Users/username/.pyenv/versions/3.12.7/envs/3.12.7_project_env/lib/python3.12/site-packages/pyomnidata/_DownloadFTPIndex.py", line 20, in _DownloadFTPIndex
    for file in files:
  File "/Users/username/.pyenv/versions/3.12.7/lib/python3.12/ftplib.py", line 584, in mlsd
    self.retrlines(cmd, lines.append)
  File "/Users/username/.pyenv/versions/3.12.7/lib/python3.12/ftplib.py", line 459, in retrlines
    with self.transfercmd(cmd) as conn, \
  File "/Users/username/.pyenv/versions/3.12.7/lib/python3.12/ftplib.py", line 393, in transfercmd
    return self.ntransfercmd(cmd, rest)[0]
  File "/Users/username/.pyenv/versions/3.12.7/lib/python3.12/ftplib.py", line 771, in ntransfercmd
    conn, size = super().ntransfercmd(cmd, rest)
  File "/Users/username/.pyenv/versions/3.12.7/lib/python3.12/ftplib.py", line 354, in ntransfercmd
    conn = socket.create_connection((host, port), self.timeout,
  File "/Users/username/.pyenv/versions/3.12.7/lib/python3.12/socket.py", line 865, in create_connection
    raise exceptions[0]
  File "/Users/username/.pyenv/versions/3.12.7/lib/python3.12/socket.py", line 850, in create_connection
    sock.connect(sa)
TimeoutError: [Errno 60] Operation timed out

It seems the issue is caused by a timeout when trying to connect to NASA's FTP server (likely spdf.gsfc.nasa.gov).
This may be due to the server being temporarily unavailable or due to firewall/proxy/VPN restrictions.

---

Environment:

• Python: 3.12.7
• PyGeopack: 1.2.6
• pyomnidata: 1.0.2
• OS: macOS 14.7 (Intel)

---

Suggestions:

1. Add an option to skip OMNI data update (e.g., SkipOMNI=True)
2. (Preferably) Switch from FTP to HTTPS when downloading OMNI data from NASA
   • The same data is available at:
     https://spdf.gsfc.nasa.gov/pub/data/omni/high_res_omni/
   • FTP is often blocked or slow in modern environments

As a workaround, I’ve manually downloaded the OMNI .asc files and placed them in Globals.DataPath, which works.
But a more robust built-in solution would be much appreciated.

Thanks again for this great library!