Moved Python venv to working directories.

slcs-jsc · Dec 23, 2024 · 456b748 · 456b748
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commit 456b748
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Showing 4 changed files with 16 additions and 17 deletions.
diff --git a/.gitignore b/.gitignore
@@ -20,10 +20,12 @@ projects/meteo/era5/
 projects/meteo/gfs/
 projects/meteo/merra2/
 projects/meteo/ncep/
+projects/meteo/venv/
 !projects/paraview/
 projects/paraview/data/
 !projects/python/
 projects/python/plots/
+projects/python/venv/
 src/*.o
 src/*.mod
 src/atm2grid

diff --git a/projects/meteo/get_era5.sh b/projects/meteo/get_era5.sh
@@ -34,6 +34,11 @@ dir=$4/${year}/${mon}
 res=$5
 dt=$6
 
+# Create Python environment...
+python3 -m venv venv
+source ./venv/bin/activate
+pip install "cdsapi>=0.7.2"
+
 # Set time string...
 tstr=$(seq 0 "$dt" 23 | awk '{printf("%02d:00:00/", $1)}' | awk '{print substr($1,1,length($1)-1)}')
 

diff --git a/projects/python/README.md b/projects/python/README.md
@@ -4,19 +4,9 @@ Here we provide some example Python scripts that can be used to plot MPTRAC outp
 
 ## Preparations
 
-Create a virtual environment for python in your home directory:
+The script `plot.sh` creates and activates a Python virtual environment (`venv`) in your working directory.
 
-```
-    python3 -m venv ~/venv
-```
-
-Activate the environment:
-
-```
-    source ~/venv/bin/activate
-```
-
-Install the python modules required for ingesting and plotting the data:
+Additionally, it installs the necessary Python modules for data ingestion and plotting:
 
 ```
     pip install basemap basemap-data cartopy matplotlib numpy pandas scipy xarray
@@ -26,23 +16,23 @@ Install the python modules required for ingesting and plotting the data:
 
 Three programs are provided for plotting air parcel and grid output, `plot_atm.py`, `plot_atm_3d.py` and `plot_grid.py`.
 
-Call the python plot scripts with parameter `datadir` (the directory of the data files) and `plotdir` (the directory where the plots will be written to), e.g., for `plot_atm.py` it would be:
+Call the Python plot scripts with parameter `datadir` (the directory of the data files) and `plotdir` (the directory where the plots will be written to), e.g., for `plot_atm.py` it would be:
 
 ```
     python ./plot_atm.py ../example/data pythonplots
 ```
 
 ## Plotting of trajectories and meteo map output of MPTRAC
 
-To plot the trajectory data files created with `atm_select`, call the python script `atm_traj.py`:
+To plot the trajectory data files created with `atm_select`, call the Python script `atm_traj.py`:
 
 ```
     python3 plot_traj.py
 ```
 
 Here, a single trajectory on a map is plotted from the data file `traj_5450.tab` provided in the directory `data`. 
 
-To plot meteo data files created with `met_map` call the python script `plot_met_map.py`:
+To plot meteo data files created with `met_map` call the Python script `plot_met_map.py`:
 
 ```
     python3 plot_met_map.py

diff --git a/projects/python/plot.sh b/projects/python/plot.sh
@@ -1,7 +1,9 @@
 #! /bin/bash
 
-# Activate venv...
-source ~/venv/bin/activate
+# Create Python environment...
+python3 -m venv venv
+source ./venv/bin/activate
+pip install basemap basemap-data cartopy matplotlib numpy pandas scipy xarray
 
 # Setup...
 datadir="../example/data.ref"