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Specify user-environment Python version #784

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9ee013b
adding optional flag for user-environment python version
oisinBates Dec 18, 2021
bd33cc4
adding optional flag for user-environment python version
oisinBates Dec 18, 2021
e11d7c2
updating documentation
oisinBates Dec 19, 2021
030b931
updating python-version variable name
oisinBates Dec 20, 2021
bb8aa89
updating python-version logic
oisinBates Dec 20, 2021
8ae3993
fixing arg typo
oisinBates Dec 20, 2021
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15 changes: 15 additions & 0 deletions docs/topic/customizing-installer.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,21 @@ will fail.
When pointing to a file on GitHub, make sure to use the 'Raw' version. It should point to
``raw.githubusercontent.com``, not ``github.com``.

Specifying the user-environment Python version
=======================

By default the user environment is provisioned with the latest version of Python 3.9,
though it is possible to specify a specific Python version if desired.

For example, to set Python version 3.7.10 for the user environment,
you would use:

.. code-block:: bash

curl -L https://tljh.jupyter.org/bootstrap.py \
| sudo python3 - \
--user-python-version 3.7.10

Installing TLJH plugins
=======================

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10 changes: 8 additions & 2 deletions tljh/installer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -153,7 +153,7 @@ def ensure_usergroups():
f.write("Defaults exempt_group = jupyterhub-admins\n")


def ensure_user_environment(user_requirements_txt_file):
def ensure_user_environment(user_requirements_txt_file, user_python_version):
"""
Set up user conda environment with required packages
"""
Expand All @@ -180,6 +180,7 @@ def ensure_user_environment(user_requirements_txt_file):
# Keep these in sync with tests/test_conda.py::prefix
mambaforge_conda_new_version = "4.10.3"
mambaforge_mamba_version = "0.16.0"
user_python_version = user_python_version if user_python_version else "3.9.*"

if conda.check_miniconda_version(USER_ENV_PREFIX, mambaforge_conda_new_version):
conda_version = "4.10.3"
Expand All @@ -205,6 +206,7 @@ def ensure_user_environment(user_requirements_txt_file):
# Conda's latest version is on conda much more so than on PyPI.
"conda==" + conda_version,
"mamba==" + mambaforge_mamba_version,
"python==" + user_python_version,
],
)

Expand Down Expand Up @@ -438,6 +440,10 @@ def main():
type=int,
help="The pid of the progress page server",
)
argparser.add_argument(
"--user-python-version",
help="Set user-environment Python version",
)

args = argparser.parse_args()

Expand All @@ -446,7 +452,7 @@ def main():
ensure_config_yaml(pm)
ensure_admins(args.admin)
ensure_usergroups()
ensure_user_environment(args.user_requirements_txt_url)
ensure_user_environment(args.user_requirements_txt_url, args.user_python_version)

logger.info("Setting up JupyterHub...")
ensure_jupyterhub_package(HUB_ENV_PREFIX)
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