From ef78162c73b2578337f3956373449bb3c6085b6a Mon Sep 17 00:00:00 2001
From: Carlosespicur <carlosespicur@proton.me>
Date: Mon, 22 Sep 2025 12:08:39 +0200
Subject: [PATCH] =?UTF-8?q?=C3=A7Add=20requirements=20file=20for=20Python?=
 =?UTF-8?q?=20dependencies?=
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Signed-off-by: Carlosespicur <carlosespicur@proton.me>
---
 .../actions/install_python_packages/action.yml   | 16 ++++++++++++++--
 .github/workflows/reusable-ci.yml                |  2 +-
 README.md                                        |  2 +-
 requirements.txt                                 |  4 ++++
 4 files changed, 20 insertions(+), 4 deletions(-)
 create mode 100644 requirements.txt

diff --git a/.github/actions/install_python_packages/action.yml b/.github/actions/install_python_packages/action.yml
index 79ed278..919b3a5 100644
--- a/.github/actions/install_python_packages/action.yml
+++ b/.github/actions/install_python_packages/action.yml
@@ -4,7 +4,12 @@ description: 'Install specified Python packages in a virtual environment'
 inputs:
   packages:
     description: 'A space-separated list of Python packages to install.'
-    required: true
+    required: false
+    default: ''
+  requirements-file:
+    description: 'Path to a requirements.txt file listing Python packages to install.'
+    required: false
+    default: ''
   python-version:
     description: 'The Python version to use (e.g., 3.12).'
     required: true
@@ -36,5 +41,12 @@ runs:
 
     - name: Install Python packages
       run: |
-        pip install ${{ inputs.packages }}
+        if [ -n "${{ inputs.requirements-file }}" ]; then
+          pip install -r ${{ inputs.requirements-file }}
+        fi
+
+        if [ -n "${{ inputs.packages }}" ]; then
+          pip install ${{ inputs.packages }}
+        fi
+
       shell: bash
diff --git a/.github/workflows/reusable-ci.yml b/.github/workflows/reusable-ci.yml
index fc612ea..1aac06a 100644
--- a/.github/workflows/reusable-ci.yml
+++ b/.github/workflows/reusable-ci.yml
@@ -45,7 +45,7 @@ jobs:
       - name: Install required python packages
         uses: ./.github/actions/install_python_packages
         with:
-          packages: "catkin_pkg lark-parser empy==3.3.4 colcon-common-extensions"
+          requirements-file: "${{ github.workspace }}/requirements.txt"
           python-version: ${{ inputs.python-version }}
           use-sudo: "true"
 
diff --git a/README.md b/README.md
index cc6791c..ffab697 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ sudo apt install -y rsync pip git gcc-arm-none-eabi cmake
 This component needs `colcon` and other Python 3 packages in order to build micro-ROS packages:
 
 ```bash
-pip3 install catkin_pkg lark-parser empy==3.3.4 colcon-common-extensions
+pip3 install -r requirements.txt
 ```
 
 ## Usage
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..4f3612c
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,4 @@
+catkin_pkg
+lark-parser
+empy==3.3.4
+colcon-common-extensions