From 7c77eeb39232179de4ed3f32b22bed835dec4032 Mon Sep 17 00:00:00 2001
From: Mathias <mathias2784@web.de>
Date: Tue, 6 Oct 2026 08:02:24 +0200
Subject: [PATCH] install exiftool in pipeline runner

---
 .gitea/workflows/ci.yml          | 9 +++++++++
 AGENTS.md                        | 5 +++++
 src/photools3/metadata_writer.py | 1 -
 test/test_metadata_writer.py     | 1 -
 4 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index e8097c2..b0ff10b 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -18,6 +18,15 @@ jobs:
         run: uv sync --frozen
       - name: copy env
         run: cp .env.template .env
+      - name: Install exiftool (system dependency)
+        run: |
+          if command -v exiftool >/dev/null 2>&1; then
+            echo "exiftool already installed"
+          elif command -v sudo >/dev/null 2>&1; then
+            sudo apt-get update && sudo apt-get install -y --no-install-recommends libimage-exiftool-perl
+          else
+            apt-get update && apt-get install -y --no-install-recommends libimage-exiftool-perl
+          fi
       - name: Run pytest
         run: uv run pytest .
       - name: Check formatting (black)
diff --git a/AGENTS.md b/AGENTS.md
index fd16e82..eb30161 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -6,6 +6,11 @@ Requires a `.env` file with the following variables:
 - `llm_api_base_url`: Base URL for the LLM API.
 - `llm_default_temperature`: Float value for temperature.
 
+## System Dependencies
+- `exiftool` binary: required by `pyexiftool` at runtime, not installable via pip/uv.
+  - Arch: `perl-image-exiftool`
+  - Debian/Ubuntu: `libimage-exiftool-perl`
+
 ## Development Toolchain
 - **Dependency Management**: Use `uv`.
 - **Python Version**: Requires Python `>=3.14`.
diff --git a/src/photools3/metadata_writer.py b/src/photools3/metadata_writer.py
index ca7714a..0e2df60 100644
--- a/src/photools3/metadata_writer.py
+++ b/src/photools3/metadata_writer.py
@@ -44,7 +44,6 @@ def read_metadata(path: Path) -> XmpMetadata | None:
         log.error(f"Could not read metadata from {path}: {exc}")
 
 
-
 class MetadataWriter:
     """
     Write metadata (captions and keywords) to image files.
diff --git a/test/test_metadata_writer.py b/test/test_metadata_writer.py
index dc0a938..062f25b 100644
--- a/test/test_metadata_writer.py
+++ b/test/test_metadata_writer.py
@@ -1,4 +1,3 @@
-
 from photools3.metadata_writer import read_metadata
 from test.test_photo import PATHS_DNG_EXAMPLES