refactor: More uses of uv in docs

project/CONTRIBUTING.md.jinja

@@ -23,12 +23,11 @@ make setup
 > You can install it with:
 >
 > ```bash
-> python3 -m pip install --user pipx
-> pipx install uv
+> curl -LsSf https://astral.sh/uv/install.sh | sh
 > ```
 >
 > Now you can try running `make setup` again,
-> or simply `uv install`.
+> or simply `uv sync`.
 
 You now have the dependencies installed.
 

project/README.md.jinja

@@ -15,18 +15,17 @@
 ## Installation
 
 {% if not insiders or public_release -%}
-With `pip`:
-
 ```bash
 pip install {{ python_package_distribution_name }}
 ```
 
-With [`pipx`](https://github.com/pipxproject/pipx):
+{% if python_package_command_line_name -%}
+With [`uv`](https://docs.astral.sh/uv/):
 
 ```bash
-python3.8 -m pip install --user pipx
-pipx install {{ python_package_distribution_name }}
+uv tool install {{ python_package_distribution_name }}
 ```
+{%- endif -%}
 {%- else -%}
 This project is available to sponsors only, through my Insiders program.
 See Insiders [explanation](https://{{ repository_namespace }}.github.io/{{ repository_name }}/insiders/)