Added photos_text.py to examples

examples/photos_text.py

@@ -0,0 +1,76 @@
+""" Extract text from images in Photos.app using tesseract and 
+    update Photo description with extracted text """
+
+import datetime
+import pathlib
+
+import osxphotos
+import pytesseract
+import tinydb
+from PIL import Image
+
+import photoscript
+
+photosdb = osxphotos.PhotosDB()
+library = pathlib.Path(photosdb.library_path)
+db_name = f"{library.parent}/.{library.stem}.photos_text_db"
+
+print(f"Processing Photos library '{library}'")
+
+print(f"Loading photos_text database {db_name}")
+db = tinydb.TinyDB(db_name)
+query = tinydb.Query()
+
+photoapp = photoscript.PhotosLibrary()
+count = 0
+text_count = 0
+for photo in photosdb.photos():
+    count += 1
+    if db.search(query.uuid == photo.uuid):
+        print(
+            f"Skipping already processed photo {photo.original_filename}, {photo.uuid}"
+        )
+        continue
+    if not photo.path:
+        print(f"Skipping missing photo {photo.original_filename}, {photo.uuid}")
+        db.insert(
+            {
+                "uuid": photo.uuid,
+                "date": datetime.datetime.now().isoformat(),
+                "text": None,
+                "previous_text": photo.description,
+                "missing": True,
+            }
+        )
+        continue
+
+    print(f"Looking for text in photo {photo.original_filename}, {photo.uuid}")
+    try:
+        text = pytesseract.image_to_string(Image.open(photo.path)).strip()
+        text = " ".join(text.split())
+    except:
+        text = None
+    if text:
+        text_count += 1
+        print(f"Found text in photo: {text}")
+        photo2 = photoscript.Photo(photo.uuid)
+        descr = photo2.description
+        new_descr = descr + " " + text if descr else text
+        photo2.description = new_descr
+        print(f"Updated description to: {new_descr}")
+        db.insert(
+            {
+                "uuid": photo.uuid,
+                "date": datetime.datetime.now().isoformat(),
+                "text": text,
+                "previous_text": descr,
+                "missing": False,
+            }
+        )
+
+
+print("Done")
+if count:
+    print(f"Processed {count} photos, updated text in {text_count}")
+else:
+    print(f"No photos to process")