From cf8f80f77cb7243dd8517052256c93654d5b002f Mon Sep 17 00:00:00 2001
From: GreedyC <62262441+GreedyC@users.noreply.github.com>
Date: Thu, 22 Oct 2026 11:14:11 +0300
Subject: [PATCH] docs: use pip for pyproject-based source installation

---
 CONTRIBUTING.md      | 11 ++++++++---
 README.md            |  2 +-
 docs/guide.md        |  2 +-
 docs/index.md        |  2 +-
 docs/installation.md |  2 +-
 5 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index b5d67c96b..e380cac3b 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -47,9 +47,14 @@ In addition, the project follows a convention of:
 ## Testing
 
 Python Fire uses [GitHub Actions](https://github.com/google/python-fire/actions) to run tests on each pull request. You can run
-these tests yourself as well. To do this, first install the test dependencies
-listed in setup.py (e.g. pytest, mock, termcolor, and hypothesis).
-Then run the tests by running `pytest` in the root directory of the repository.
+these tests yourself as well. From the root directory of your source checkout,
+install Python Fire and the test dependencies declared in `pyproject.toml`:
+
+```sh
+python -m pip install -e ".[test]"
+```
+
+Then run the tests with `python -m pytest` in the same directory.
 
 ## Linting
 
diff --git a/README.md b/README.md
index 1482d56d1..a27e0c37e 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ To install Python Fire with pip, run: `pip install fire`
 To install Python Fire with conda, run: `conda install fire -c conda-forge`
 
 To install Python Fire from source, first clone the repository and then run:
-`python setup.py install`
+`python -m pip install .`
 
 ## Basic Usage
 
diff --git a/docs/guide.md b/docs/guide.md
index 444a76ff8..eb59d2d6a 100644
--- a/docs/guide.md
+++ b/docs/guide.md
@@ -16,7 +16,7 @@ To install Python Fire from pypi, run:
 
 Alternatively, to install Python Fire from source, clone the source and run:
 
-`python setup.py install`
+`python -m pip install .`
 
 ### Hello World
 
diff --git a/docs/index.md b/docs/index.md
index 8dcc5db6d..f1c62e197 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -22,7 +22,7 @@ To install Python Fire with pip, run: `pip install fire`
 To install Python Fire with conda, run: `conda install fire -c conda-forge`
 
 To install Python Fire from source, first clone the repository and then run:
-`python setup.py install`
+`python -m pip install .`
 
 ## Basic Usage
 
diff --git a/docs/installation.md b/docs/installation.md
index 7e4cccb85..4eb1f1e0e 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -5,4 +5,4 @@ To install Python Fire with pip, run: `pip install fire`
 To install Python Fire with conda, run: `conda install fire -c conda-forge`
 
 To install Python Fire from source, first clone the repository and then run
-`python setup.py install`. To install from source for development, instead run `python setup.py develop`.
+`python -m pip install .`. To install from source for development, instead run `python -m pip install -e .`.