Launch ipython terminal magic

startup.py

'''
Adds %ipython magic command to launch a bash terminal and connect to the current jupyter session because coding in jupyter sucks.
To be placed in ~/.ipython/profile_default/startup/
'''
import os, sys
import ipykernel
from IPython.core.magic import register_line_magic

@register_line_magic
def ipython(line):
    fn = ipykernel.get_connection_file()
    if sys.platform.lower().startswith('win'):
        cmd = '''wt -- "%%ProgramFiles%%/Git/bin/bash.exe" -i -l -c "jupyter console --existing '%s'"''' % fn
        os.system(cmd)
        print("Use Ctrl-D to exit console without killing kernel")