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Add support for installing a named version using --name <name> option

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This PR will add support for installing a named version using the
following:

```
pyenv install --name <name> <version>
```

This will add the user supplied `<name>` to the end of the version as
`<version>-<name>`. For example:

```
~$ pyenv install --name test-environment 3.11.3
Downloading Python-3.11.3.tar.xz...
-> https://www.python.org/ftp/python/3.11.3/Python-3.11.3.tar.xz
Installing Python-3.11.3...
Installed Python-3.11.3 to /home/user/.pyenv/versions/3.11.3-test-environment
~$ pyenv versions
* system (set by /home/user/.pyenv/version)
  3.8.5
  3.11.3
  3.11.3-test-environment
~$ pyenv 3.11.3-test-environment
~$ pyenv global 3.11.3-test-environment
~$ pyenv versions
  system
  3.8.5
  3.11.3
* 3.11.3-test-environment (set by /home/user/.pyenv/version)
~$
```
This commit is contained in:
David Hegland 2023-10-03 10:42:40 -05:00
parent 0ada42d89d
commit 1a256b8d5f
2 changed files with 29 additions and 0 deletions
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15
README.md
View File

@ -56,6 +56,7 @@ This project was forked from [rbenv](https://github.com/rbenv/rbenv) and
* [Install additional Python versions](#install-additional-python-versions)
* [Prefix auto-resolution to the latest version](#prefix-auto-resolution-to-the-latest-version)
* [Python versions with extended support](#python-versions-with-extended-support)
* [Install a named python version](#intstall-a-named-python-version)
* [Switch between Python versions](#switch-between-python-versions)
* [Uninstall Python versions](#uninstall-python-versions)
* [Other operations](#other-operations)
@ -445,6 +446,20 @@ in a later version of those environments.
* *2.7.18* : MacOS 10.15+ and Apple Silicon
#### Install a named python version
To install a named python version, the `--name <name>` argument can be given when installing a new version. This will
append a `-<name>` string to the end of the version being installed. The `name` argument can only contain alpha-numeric,
`-`, and `_` characters.
E.g. to install and switch to a 3.11.3 version named `test-environment`
```sh
pyenv install --name test-environment 3.11.3
pyenv global 3.11.3-test-environment
```
### Switch between Python versions
To select a Pyenv-installed Python as the version to use, run one

14
plugins/python-build/bin/pyenv-install
View File

@ -19,6 +19,7 @@
# -v/--verbose Verbose mode: print compilation status to stdout
# --version Show version of python-build
# -g/--debug Build a debug version
# -n/--name <name> Build named version as <version>-<name> (name: cannot contain spaces)
#
# For detailed information on installing Python versions with
# python-build, including a list of environment variables for adjusting
@ -46,6 +47,7 @@ if [ "$1" = "--complete" ]; then
echo --verbose
echo --version
echo --debug
echo --name
exec python-build --definitions
fi
@ -104,6 +106,11 @@ for option in "${OPTIONS[@]}"; do
"g" | "debug" )
DEBUG="-g"
;;
"n" | "name" )
[[ "${#ARGUMENTS[*]}" -eq 0 ]] && echo -e "Error: Expected argument for --name\n" >&2 && usage 1 >&2
NAME=${ARGUMENTS[0]}
unset ARGUMENTS[0]
;;
"version" )
exec python-build --version
;;
@ -123,6 +130,12 @@ DEFINITIONS=("${ARGUMENTS[@]}")
[[ "${#DEFINITIONS[*]}" -eq 0 ]] && DEFINITIONS=($(pyenv-local 2>/dev/null || true))
[[ "${#DEFINITIONS[*]}" -eq 0 ]] && usage 1 >&2
# If the `name` argument has been used, validate the name given is valid
if [ ! $(grep '^[-0-9a-zA-Z_]*$' <<< $NAME) ]; then
echo -e "Error: --name argument can only contain alpha-numeric, '-', and '_' characters\n" >&2
usage 1 >&2
fi
# Define `before_install` and `after_install` functions that allow
# plugin hooks to register a string of code for execution before or
# after the installation process.
@ -163,6 +176,7 @@ for DEFINITION in "${DEFINITIONS[@]}"; do
# Set VERSION_NAME from $DEFINITION. Then compute the installation prefix.
VERSION_NAME="${DEFINITION##*/}"
[ -n "$DEBUG" ] && VERSION_NAME="${VERSION_NAME}-debug"
[ -n "$NAME" ] && VERSION_NAME="${VERSION_NAME}-${NAME}"
PREFIX="${PYENV_ROOT}/versions/${VERSION_NAME}"
[ -d "${PREFIX}" ] && PREFIX_EXISTS=1