feat: group private apps into andreknie-privat

privat/andreknie-privat/NoteGraph/ingestion/extraction/ocr.py

@@ -0,0 +1,48 @@
+"""OCR extraction for images using pytesseract.
+
+Handles .jpg, .jpeg, .png files. Configured for German + English (deu+eng).
+Returns empty text (not error) when OCR cannot extract readable content.
+"""
+
+import logging
+from pathlib import Path
+
+from .base import ExtractionResult
+
+logger = logging.getLogger(__name__)
+
+SUPPORTED_EXTENSIONS = {".jpg", ".jpeg", ".png"}
+
+
+class OCRExtractor:
+    """Extracts text from images using Tesseract OCR."""
+
+    def __init__(self, language: str = "deu+eng"):
+        self.language = language
+
+    def can_handle(self, file_path: Path) -> bool:
+        """Return True for .jpg, .jpeg, .png files."""
+        return file_path.suffix.lower() in SUPPORTED_EXTENSIONS
+
+    def extract(self, file_path: Path) -> ExtractionResult:
+        """Run OCR on an image file. Returns empty text on failure."""
+        text = self._run_ocr(file_path)
+        return ExtractionResult(
+            text=text,
+            source_file=file_path,
+            extraction_method="ocr",
+            metadata={"ocr_language": self.language},
+        )
+
+    def _run_ocr(self, file_path: Path) -> str:
+        """Execute pytesseract on the image. Returns empty string on failure."""
+        try:
+            import pytesseract
+            from PIL import Image
+
+            image = Image.open(file_path)
+            text = pytesseract.image_to_string(image, lang=self.language)
+            return text.strip()
+        except Exception as e:
+            logger.warning("OCR extraction failed for %s: %s", file_path, e)
+            return ""