docs: update README and requirements for optional OCR dependencies

README.md

@@ -15,12 +15,14 @@ Monitor the Berlin Perso/Passport portal, crack the audio CAPTCHA with Whisper,
 - Firefox + `geckodriver` in `$PATH` for Selenium
 - `ffmpeg` (needed by `openai-whisper`)
 - Optional: Tesseract OCR if you experiment with the image-based approach in `ocr/`
+- Optional: Python packages from `requirements-ocr.txt` when working on the OCR experiments
 
 ## Setup
 1. Clone the repo and create a virtual environment: `python -m venv .venv && source .venv/bin/activate`
 2. Install runtime dependencies: `pip install -r requirements.txt`
-3. (Optional) Add tooling such as pytest: `pip install -r dev-requirements.txt`
+3. (Optional) Install OCR extras: `pip install -r requirements-ocr.txt`
-4. Provide credentials:
+4. (Optional) Add tooling such as pytest: `pip install -r dev-requirements.txt`
+5. Provide credentials:
 	- Copy `settings.example.py` to `settings.py`
 	- Set `DOCUMENT_ID` (the identifier embedded in the Berlin status URL)
 	- Set `WEBHOOK_URL` pointing to the service that should receive status payloads

requirements-ocr.txt

@@ -0,0 +1,14 @@
+# Optional OCR dependencies
+
+# traditional OCR
+pillow
+pytesseract
+opencv-python
+tqdm
+streamlit
+python-Levenshtein
+
+# ocr with keras/tensorflow
+tensorflow
+keras
+matplotlib

requirements.txt

@@ -5,15 +5,5 @@ beautifulsoup4
 # audio processing
 openai-whisper
 
-# traditional OCR
+# for sending results to webhook
-pillow
+requests
-pytesseract
-opencv-python
-tqdm
-streamlit
-python-Levenshtein
-
-# ocr with keras/tensorflow
-tensorflow
-keras
-matplotlib