python-prepend-3rd-packages

#!/bin/bash

# Note:
#   change this file to `python3` and put to `/path/to/python/bin/`
#   make symbolic link for `python` to this file if necessary


# sys.path
#
# >> builtin modules `sys.modules`
# >+ script directory `-m`  OR  current directory `-c`
# >+ PYTHONPATH
# >> lib/python38.zip
# >> lib/python3.8
# >> lib/python3.8/lib-dynload
# >> .local/lib/python3.8/site-packages
# >+ .local/lib/python3.8/site-packages/zz.pth
# >> lib/python3.8/site-packages
# >+ lib/python3.8/site-packages/zz.pth
#
#
## Head
# sys.prefix          #/home/xiang/Applications/miniconda3core
# sys.exec_prefix     #/home/xiang/Applications/miniconda3core
#
## Tail
# lib/site-packages               (Windows)
# lib/pythonX.Y/site-packages     (Unix and MacOS)



a=/home/xiang/Applications/miniconda3core/envs/python38/lib/python3.8/site-packages
b=/home/xiang/Applications/miniconda3core/envs/torch/lib/python3.8/site-packages
export PYTHONPATH=$PYTHONPATH:$a:$b
now=$(realpath $0)
dir=$(dirname $now)

exec $dir/python3.8 "$@"


# Caution:
#   Be aware that `/path/to/miniconda/bin/conda` depends on `python` to correctly setup
#   make it to be SPECIFIC to that version of Python by changing Shebang `#!` line
#
# File   : /path/to/miniconda/bin/conda
# Shebang: #!/path/to/miniconda/bin/pythonX.Y