new metadata enricher

Dockerfile

@@ -9,7 +9,7 @@ RUN pip install --upgrade pip && \
 	pip install pipenv && \
 	add-apt-repository ppa:mozillateam/ppa && \
 	apt-get update && \
-	apt-get install -y gcc ffmpeg fonts-noto && \
+	apt-get install -y gcc ffmpeg fonts-noto exiftool && \
 	apt-get install -y --no-install-recommends firefox-esr && \
 	ln -s /usr/bin/firefox-esr /usr/bin/firefox && \
 	wget https://github.com/mozilla/geckodriver/releases/download/v0.33.0/geckodriver-v0.33.0-linux64.tar.gz && \

example.orchestration.yaml

@@ -15,6 +15,7 @@ steps:
     # - wacz_archiver_enricher
   enrichers:
     - hash_enricher
+    # - metadata_enricher
     # - screenshot_enricher
     # - thumbnail_enricher
     # - wayback_archiver_enricher

src/auto_archiver/enrichers/metadata_enricher.py

@@ -0,0 +1,47 @@
+import subprocess
+import traceback
+from loguru import logger
+
+from . import Enricher
+from ..core import Metadata
+
+
+class MetadataEnricher(Enricher):
+    """
+    Extracts metadata information from files using exiftool.
+    """
+    name = "metadata_enricher"
+
+    def __init__(self, config: dict) -> None:
+        # without this STEP.__init__ is not called
+        super().__init__(config)
+
+    @staticmethod
+    def configs() -> dict:
+        return {}
+
+    def enrich(self, to_enrich: Metadata) -> None:
+        url = to_enrich.get_url()
+        logger.debug(f"extracting EXIF metadata for {url=}")
+
+        for i, m in enumerate(to_enrich.media):
+            if len(md := self.get_metadata(m.filename)):
+                to_enrich.media[i].set("metadata", md)
+
+    def get_metadata(self, filename: str) -> dict:
+        try:
+            # Run ExifTool command to extract metadata from the file
+            cmd = ['exiftool', filename]
+            result = subprocess.run(cmd, capture_output=True, text=True)
+
+            # Process the output to extract individual metadata fields
+            metadata = {}
+            for line in result.stdout.splitlines():
+                field, value = line.strip().split(':', 1)
+                metadata[field.strip()] = value.strip()
+            return metadata
+        except FileNotFoundError:
+            logger.error("[exif_enricher] ExifTool not found. Make sure ExifTool is installed and added to PATH.")
+        except Exception as e:
+            logger.error(f"Error occurred: {e}: {traceback.format_exc()}")
+        return {}