starting on removing exiftool dependency

src/icloudpd/xmp_sidecar.py

@@ -2,6 +2,8 @@
 
 from __future__ import annotations
 
+import json
+import xml.etree.ElementTree as ET
 import base64
 import logging
 import plistlib
@@ -71,9 +73,68 @@ def build_exiftool_arguments(asset_record: dict[str, Any]) -> list[str]:
     args = ["-" + k + "=" + str(xmp_metadata[k]) for k in xmp_metadata]
     return args
 
+def generate_xml(logger) -> ET.Element:
+
+    # Create the root element
+    xmpmeta = ET.Element('x:xmpmeta', {
+        'xmlns:x': 'adobe:ns:meta/',
+        'x:xmptk': 'XMP Core 6.0.0'
+    })
+
+    # Create the RDF element
+    rdf = ET.SubElement(xmpmeta, 'rdf:RDF', {
+        'xmlns:rdf': 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'
+    })
+
+    # Create the Description element
+    description = ET.SubElement(rdf, 'rdf:Description', {
+        'rdf:about': '',
+        'xmlns:exif': 'http://ns.adobe.com/exif/1.0/',
+        'xmlns:dc': 'http://purl.org/dc/elements/1.1/',
+        'xmlns:photoshop': 'http://ns.adobe.com/photoshop/1.0/'
+    })
+
+    # Add EXIF elements
+    ET.SubElement(description, 'exif:GPSHPositioningError').text = '3.5355339055557087'
+    ET.SubElement(description, 'exif:GPSImgDirection').text = '65.517410228509249'
+    ET.SubElement(description, 'exif:GPSAltitudeRef').text = '0'
+    ET.SubElement(description, 'exif:GPSAltitude').text = '594.27303754266211'
+    ET.SubElement(description, 'exif:GPSLatitudeRef').text = 'N'
+    ET.SubElement(description, 'exif:GPSLatitude').text = '47.386561666666665'
+    ET.SubElement(description, 'exif:GPSLongitudeRef').text = 'E'
+    ET.SubElement(description, 'exif:GPSLongitude').text = '8.5784166666666675'
+    ET.SubElement(description, 'exif:GPSImgDirectionRef').text = 'T'
+    ET.SubElement(description, 'exif:GPSSpeed').text = '0.37999999523160005'
+    ET.SubElement(description, 'exif:GPSSpeedRef').text = 'K'
+    ET.SubElement(description, 'exif:GPSTimeStamp').text = '2024-10-28T10:03:22Z'
+
+    # Add DC elements
+    ET.SubElement(description, 'dc:title').text = 'Title Here'
+    ET.SubElement(description, 'dc:description').text = 'Caption Here'
+
+    # Add DC subject elements
+    subject = ET.SubElement(description, 'dc:subject')
+    seq = ET.SubElement(subject, 'rdf:Seq')
+    ET.SubElement(seq, 'rdf:li').text = 'some keyword'
+
+    # Add Photoshop elements
+    ET.SubElement(description, 'photoshop:DateCreated').text = '2024-10-28T11:03:25+01:00'
+
+    return xmpmeta
+
 def generate_xmp_file(logger: logging.Logger, download_path: str, asset_record: dict[str, Any]) -> None:
     """Generate XMP sidecar file from photo asset record"""
+    # todo: check if xmptk ( "XMPToolkit" https://exiftool.org/TagNames/XMP.html#x) is correct 
+     # Convert the tree to a string
+    xmpmeta = generate_xml(logger)
+    xml_str = ET.tostring(xmpmeta, encoding='unicode')
+
+    # Add XML declaration
+    xml_str = '<?xml version="1.0"?>\n' + xml_str
+
+    # Print the XML string
+    print(xml_str)
     if exif_tool:
         args = build_exiftool_arguments(asset_record)
-        # json.dump(asset_record['fields'], open(download_path+".ar.json", "w"), indent=4)
+        json.dump(asset_record['fields'], open(download_path+".ar.json", "w"), indent=4)
         exif_tool.execute("-overwrite_original", download_path+".xmp", *args)