Installing the Refinitiv Data Library for Python

Hi Refinitiv Dev team,

We would like to install the Refinitiv Data Library for Python on our LINUX servers, but our LINUX server doesn't have internet access. Therefore, we would like to know is there any way for us to install Refinitiv Data Library for Python during this scenario without internet access?

It was because the pip install command does need the internet access to download the Refinitiv Data Library for Python from the Python Package Index (PyPI).

Thanks.

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Gurpreet

Hello @vincentpangkawei

You can use a machine connected to internet to download the source distribution package or a build package (wheel) for the lseg-data from PyPi and use the installation method with pip.

Distribution files - https://pypi.org/project/lseg-data/#files

Installation method - https://packaging.python.org/en/latest/tutorials/installing-packages/#source-distributions-vs-wheels

For e.g., if using the latest wheel, use the following command on the target machine -

pip install lseg_data-2.1.1-py3-none-any.whl

vincentpangkawei

Hi Gurpreet,

But even when I tried the pip install command with the whl file, it still require internet to download files. Any further advise? Thanks.

Gurpreet

@vincentpangkawei

This lseg-data distribution depends on other Python modules which will also need to be installed in your target machine. Looking at the file metadata, it shows following dependencies -

Requires-Dist: appdirs~=1.4.4
Requires-Dist: pyee<=12,>=9.0.4
Requires-Dist: httpx<0.28,>=0.18.0
Requires-Dist: httpcore<1.1.0
Requires-Dist: numpy
Requires-Dist: pandas<3.0,>=2.0
Requires-Dist: python-dateutil
Requires-Dist: requests
Requires-Dist: scipy
Requires-Dist: tenacity
Requires-Dist: watchdog
Requires-Dist: websocket-client!=1.5.0,!=1.5.2,>=1.5
Requires-Dist: pyhumps<4.0.0,>=3.0.2
Requires-Dist: jinja2<4.0.0,>=3.0.3
Requires-Dist: simplejson

You can try to download (if available) wheels for these packages. Some packages like scipy and numpy are quite difficult since the build gets configured and compiled on the target machine. Additionally, these third party packages might have their own dependencies - which will also need to be downloaded.

It might be easier to use a Virtual Machine or a Docker image connected to internet and then move this image to the target machine.

Gurpreet

I must add that since the Linux machine is not connected to internet, you are only interested in getting data from the on-site market data system (RTMDS) - there is an option to directly use the WebSocket protocol in Python. This approach only depends on requests and websocket-client module, but is more involved in terms of Login/session management and handshakes etc.

See the example of Python WebSocket API in this GitHub repo.

Jirapongse

@vincentpangkawei

Please refer to this Offline Installation for the LSEG Data Library for Python article.

You need to contact your IT team to download Python packages for you.

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