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The HITRAN Application Programming Interface (HAPI) is a set of routines in Python which aims to provide remote access to functionality and data given by the [HITRANonline] .

Currently, the HITRANonline provides the hapi.py v1.0.0 for the users. While the script is written in Python2 and related library.

Python is a great language for scientific computation, and Python3.x have more features for us to use.

We are currently working on porting the hapi to Python 3 and related library.

One can refer to the article [why-you-should-move-to-python-3-now] for further reading.

[HITRANonline]

http://hitran.org/hapi/

[why-you-should-move-to-python-3-now]

(http://cyrille.rossant.net/why-you-should-move-to-python-3-now/)