Hi Andy -
Regarding the problem with python 3.9, see a message I sent to the group on 25 Oct 2021 "Solving the Mac/FRAME problem for PyFerret: use 7.5"
The main issue of that message was the problem of FRAME extracting only the upper-left corner of a plot in PF7.6.n, while PF7.5 worked correctly. That is still the case as far as I know (but maybe I don't know).
But it turns out that PF7.5 requires python below 3.9. Here's the error messages quoted in my 2021 email:
> conda install -c conda-forge pyferret==7.5.0 ! in my regular python 3.9 environment as used for 7.63
... various checking info...
failed
UnsatisfiableError: The following specifications were found to be incompatible with the existing python installation in your environment:
Specifications:
- pyferret==7.5.0 -> python[version='>=2.7,<2.8.0a0|>=3.6,<3.7.0a0|>=3.7,<3.8.0a0|>=3.8,<3.9.0a0']
Your python: python=3.9
---------------
These specifications say that PF7.5 will run using:
python version >=2.7 but <2.8.0a0
or >=3.6 but <3.7.0a0
or >=3.7 but <3.8.0a0
or >=3.8 but <3.9.0a0'
And the email mentioned above describes how to install PF7.5 with python below 3.9 in a specific named conda environment.
Billy
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
William S. Kessler
NOAA / Pacific Marine Environmental Laboratory
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