run python command line interpreter with imports loaded automatically

Question

I would like to play around in the python interpreter but with a bunch of imports and object setup completed. Right now I\'m launching the interpreter on the command line and do

Answer 1

I came across this question when trying to configure a new desk for my research and found that the answers above didn't quite suit my desire: to contain the entire desk configuration within one file (meaning I wouldn't create a separate script.py as suggested by @srgerg).

This is how I ended up achieving my goal:

export PYTHONPATH=$READ_GEN_PATH:$PYTHONPATH

alias prepy="python3 -i -c \"
from naive_short_read_gen import ReadGen
from neblue import neblue\""

In this case neblue is in the CWD (so no path extension is required there), whereas naive_short_read_gen is in an arbitrary directory on my system, which is specified via $READ_GEN_PATH.

You could do this in a single line if necessary: alias prepy=PYTHONPATH=$EXTRA_PATH:$PYTHONPATH python3 -i -c ....