"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "docs/managing-environments.md" between
poetry-1.1.15.tar.gz and poetry-1.2.0.tar.gz

About: Poetry is a tool for dependency management and packaging in Python.

managing-environments.md  (poetry-1.1.15)	:	managing-environments.md  (poetry-1.2.0)
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# Managing environments		# Managing environments
Poetry makes project environment isolation one of its core features.		Poetry makes project environment isolation one of its core features.
What this means is that it will always work isolated from your global Python ins tallation.		What this means is that it will always work isolated from your global Python ins tallation.
To achieve this, it will first check if it's currently running inside a virtual environment.		To achieve this, it will first check if it's currently running inside a virtual environment.
If it is, it will use it directly without creating a new one. But if it's not, i t will use		If it is, it will use it directly without creating a new one. But if it's not, i t will use
one that it has already created or create a brand new one for you.		one that it has already created or create a brand new one for you.
By default, Poetry will try to use the currently activated Python version		By default, Poetry will try to use the Python version used during Poetry's insta llation
to create the virtual environment for the current project.		to create the virtual environment for the current project.
However, for various reasons, this Python version might not be compatible		However, for various reasons, this Python version might not be compatible
with the `python` requirement of the project. In this case, Poetry will try		with the `python` requirement of the project. In this case, Poetry will try
to find one that is and use it. If it's unable to do so then you will be prompte d		to find one that is and use it. If it's unable to do so then you will be prompte d
to activate one explicitly, see [Switching environments](#switching-between-envi ronments).		to activate one explicitly, see [Switching environments](#switching-between-envi ronments).
		{{% note %}}
		If you use a tool like [pyenv](https://github.com/pyenv/pyenv) to manage differe
		nt Python versions,
		you can set the experimental `virtualenvs.prefer-active-python` option to `true`
		. Poetry
		will then try to find the current `python` of your shell.
		For instance, if your project requires a newer Python than is available with
		your system, a standard workflow would be:
		```bash
		pyenv install 3.9.8
		pyenv local 3.9.8 # Activate Python 3.9 for the current project
		poetry install
		```
		{{% /note %}}
		{{% note %}}
		Since version 1.2, Poetry no longer supports managing environments for Python 2.
		7.
		{{% /note %}}
## Switching between environments		## Switching between environments
Sometimes this might not be feasible for your system, especially Windows where ` pyenv`		Sometimes this might not be feasible for your system, especially Windows where ` pyenv`
is not available, or you simply prefer to have a more explicit control over your environment.		is not available, or you simply prefer to have a more explicit control over your environment.
For this specific purpose, you can use the `env use` command to tell Poetry		For this specific purpose, you can use the `env use` command to tell Poetry
which Python version to use for the current project.		which Python version to use for the current project.
```bash		```bash
poetry env use /full/path/to/python		poetry env use /full/path/to/python
```		```
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You can also list all the virtual environments associated with the current proje ct		You can also list all the virtual environments associated with the current proje ct
with the `env list` command:		with the `env list` command:
```bash		```bash
poetry env list		poetry env list
```		```
will output something like the following:		will output something like the following:
```text		```text
test-O3eWbxRl-py2.7
test-O3eWbxRl-py3.6		test-O3eWbxRl-py3.6
test-O3eWbxRl-py3.7 (Activated)		test-O3eWbxRl-py3.7 (Activated)
```		```
		You can pass the option `--full-path` to display the full path to the environmen
		ts:
		```bash
		poetry env list --full-path
		```
## Deleting the environments		## Deleting the environments
Finally, you can delete existing virtual environments by using `env remove`:		Finally, you can delete existing virtual environments by using `env remove`:
```bash		```bash
poetry env remove /full/path/to/python		poetry env remove /full/path/to/python
poetry env remove python3.7		poetry env remove python3.7
poetry env remove 3.7		poetry env remove 3.7
poetry env remove test-O3eWbxRl-py3.7		poetry env remove test-O3eWbxRl-py3.7
```		```
		You can delete more than one environment at a time.
		```bash
		poetry env remove python3.6 python3.7 python3.8
		```
		Use the `--all` option to delete all virtual environments at once.
		```bash
		poetry env remove --all
		```
If you remove the currently activated virtual environment, it will be automatica lly deactivated.		If you remove the currently activated virtual environment, it will be automatica lly deactivated.
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