Fix pylint complexity warning for c2g

[rofrano]

Need to refactor the c2g function into smaller functions to reduce complexity.

Current pylint error:

Run # stop the build if there are Python syntax errors or undefined names
0
dgi/cli.py:243:1: C901 'c2g' is too complex (11)
1     C901 'c2g' is too complex (11)
1
Error: Process completed with exit code 1.