_ipython_magic__writetemplate.py

"""
From https://stackoverflow.com/a/63784887/4126114
Usage:
In jupyter cell:
some_variable = "text"
%%writetemplate filename.txt
test: {some_variable}
"""
from IPython.core.magic import register_line_cell_magic
@register_line_cell_magic
def writetemplate(line, cell):
    with open(line, 'w') as f:
        f.write(cell.format(**globals()))

_write_ssh_key_from_user_secret.py

"""Q. create file=ssh-key from var=kaggle-user-secret"""
from kaggle_secrets import UserSecretsClient
from pathlib import Path

def write_ssh_key_from_user_secret(secret_name):
    user_secrets = UserSecretsClient()
    gh_key = user_secrets.get_secret(secret_name)
    path_key = Path.home()/".ssh"/"id_rsa"
    path_key.parent.mkdir(exist_ok=True)
    with open(path_key, "w") as f:
        # Note: important to have newline at the end
        f.write(f"""-----BEGIN OPENSSH PRIVATE KEY-----
{gh_key}
-----END OPENSSH PRIVATE KEY-----
""")
    path_key.chmod(0o600)
        
def write_ssh_key_from_user_secret__github():
    write_ssh_key_from_user_secret("gh_key")