c56905d34f
Open-source AI data analyst platform extracted from internal repo. Includes data sync engine, Keboola adapter, Flask web portal, server deployment scripts, and configuration templates.
35 lines
919 B
Python
35 lines
919 B
Python
"""
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Notification image serving module.
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Serves chart PNG images generated by notification runners.
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Images are stored in /tmp/ by the notify-runner process.
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"""
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import logging
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import re
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from pathlib import Path
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from flask import Blueprint, abort, send_file
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from .config import Config
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logger = logging.getLogger(__name__)
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images_bp = Blueprint("images", __name__)
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VALID_FILENAME_PATTERN = re.compile(r"^[a-zA-Z0-9_\-]+\.png$")
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@images_bp.route("/api/notifications/images/<filename>")
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def serve_notification_image(filename: str):
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"""Serve a notification chart image from the temp directory."""
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if not VALID_FILENAME_PATTERN.match(filename):
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abort(404)
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file_path = Path(Config.NOTIFICATION_IMAGES_DIR) / filename
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if not file_path.is_file():
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abort(404)
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response = send_file(file_path, mimetype="image/png")
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response.headers["Cache-Control"] = "no-cache"
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return response
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