feat: add standalone script to upload catalogue images via API

scripts/upload_catalogue_images.py

@@ -0,0 +1,126 @@
+#!/usr/bin/env python3
+import argparse
+import getpass
+import os
+import re
+import sys
+from pathlib import Path
+
+import requests
+
+
+TOKEN_URL = "/api/token/"
+PRODUCTS_URL = "/don_confiao/api/products/"
+CATALOGUE_IMAGES_URL = "/don_confiao/api/catalogue_images/"
+
+
+def get_credentials():
+    username = input("Usuario: ")
+    password = getpass.getpass("Contraseña: ")
+    return username, password
+
+
+def get_token(domain, username, password):
+    url = domain.rstrip("/") + TOKEN_URL
+    response = requests.post(url, json={"username": username, "password": password})
+    if response.status_code != 200:
+        print(f"Error al obtener token: {response.status_code} {response.text}", file=sys.stderr)
+        sys.exit(1)
+    data = response.json()
+    return data["access"]
+
+
+def get_products(domain, token):
+    url = domain.rstrip("/") + PRODUCTS_URL
+    headers = {"Authorization": f"Bearer {token}"}
+    response = requests.get(url, headers=headers)
+    if response.status_code != 200:
+        print(f"Error al obtener productos: {response.status_code} {response.text}", file=sys.stderr)
+        sys.exit(1)
+    return response.json()
+
+
+MIME_TYPES = {
+    ".jpg": "image/jpeg",
+    ".jpeg": "image/jpeg",
+    ".png": "image/png",
+}
+
+
+def find_images(image_dir):
+    images = {}
+    pattern = re.compile(r"^(\d+)\.(jpg|jpeg|png)$", re.IGNORECASE)
+    for f in os.listdir(image_dir):
+        m = pattern.match(f)
+        if m:
+            external_id = m.group(1)
+            images[external_id] = os.path.join(image_dir, f)
+    return images
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Sube imágenes de catálogo para productos usando el external_id como nombre de archivo."
+    )
+    parser.add_argument("image_dir", help="Directorio con imágenes nombradas como ##.jpg")
+    parser.add_argument("domain", help="Dominio del backend (ej: http://localhost:8000)")
+    args = parser.parse_args()
+
+    if not os.path.isdir(args.image_dir):
+        print(f"Error: el directorio '{args.image_dir}' no existe.", file=sys.stderr)
+        sys.exit(1)
+
+    username, password = get_credentials()
+    token = get_token(args.domain, username, password)
+    print("Token obtenido correctamente.")
+
+    products = get_products(args.domain, token)
+    ext_id_to_product_id = {}
+    for p in products:
+        if p.get("external_id"):
+            ext_id_to_product_id[p["external_id"]] = p["id"]
+
+    if not ext_id_to_product_id:
+        print("No se encontraron productos con external_id.", file=sys.stderr)
+        sys.exit(1)
+
+    images = find_images(args.image_dir)
+    if not images:
+        print(f"No se encontraron imágenes con el patrón ##.jpg en '{args.image_dir}'.", file=sys.stderr)
+        sys.exit(1)
+
+    headers = {"Authorization": f"Bearer {token}"}
+    upload_url = args.domain.rstrip("/") + CATALOGUE_IMAGES_URL
+    uploaded = 0
+    skipped = 0
+    errors = 0
+
+    for external_id, img_path in sorted(images.items()):
+        if external_id not in ext_id_to_product_id:
+            print(f"  [SKIP] {Path(img_path).name}: no hay producto con external_id={external_id}")
+            skipped += 1
+            continue
+
+        product_id = ext_id_to_product_id[external_id]
+        filename = Path(img_path).name
+
+        ext = Path(img_path).suffix.lower()
+        mime = MIME_TYPES.get(ext, "application/octet-stream")
+
+        with open(img_path, "rb") as f:
+            files = {"image": (filename, f, mime)}
+            data = {"product": product_id}
+            response = requests.post(upload_url, headers=headers, files=files, data=data)
+
+        if response.status_code == 201:
+            print(f"  [OK]   {filename} -> producto {product_id} (id imagen: {response.json()['id']})")
+            uploaded += 1
+        else:
+            print(f"  [ERR]  {filename} -> producto {product_id}: {response.status_code} {response.text}")
+            errors += 1
+
+    print(f"\nResumen: {uploaded} subidas, {skipped} saltadas, {errors} errores")
+
+
+if __name__ == "__main__":
+    main()