Upload download_magic.py

scripts/download_magic.py

@@ -0,0 +1,79 @@
+# download_magic.py
+"""
+Mágica %download para IPython / Jupyter / Colab.
+Al importar este módulo se registra automáticamente la línea mágica %download.
+Uso:
+    import download_magic
+    %download https://civitai.com/api/download/models/..., https://huggingface.co/...
+"""
+
+from IPython import get_ipython
+from IPython.core.magic import register_line_magic
+from IPython.display import HTML, display
+import os
+import subprocess
+import re
+import requests
+
+# Recuperamos el token de %store
+ipython = get_ipython()
+token = None
+try:
+    ipython.magic("store -r token_civitai")
+    token = ipython.user_ns.get("token_civitai")
+except Exception:
+    pass
+
+@register_line_magic
+def download(line):
+    """
+    %download url1, url2, ...
+    Muestra solo el nombre real y respeta la carpeta actual (%cd).
+    """
+    dest = os.getcwd()
+    urls = [u.strip() for u in line.split(",") if u.strip()]
+
+    for url in urls:
+        # ---------- CivitAI ----------
+        if "civitai.com" in url:
+            if not token:
+                display(HTML("<h4 style='color:red;'>⚠️ Token de CivitAI no encontrado.</h4>"))
+                continue
+            url_token = f"{url}{'&' if '?' in url else '?'}token={token}"
+
+            try:
+                with requests.get(url_token, stream=True, timeout=5) as r:
+                    cd = r.headers.get('Content-Disposition', '')
+                    match = re.findall(r'filename[*]?=(?:UTF-8\'\')?["\']?([^"\';]+)["\']?', cd)
+                    pretty = match[0] if match else url.split('/')[-1].split('?')[0]
+            except Exception:
+                pretty = url.split('/')[-1].split('?')[0]
+
+            display(HTML(f"<h3 style='color:yellow;'>📥 Descargando: <code>{pretty}</code></h3>"
+                         f"<h4 style='color:cyan;'>📁 Destino: <code>{dest}</code></h4>"))
+
+            subprocess.run([
+                "aria2c", "--console-log-level=error", "--content-disposition",
+                "-c", "-x", "6", "-s", "6", "-k", "1M",
+                "-d", dest, url_token
+            ])
+
+        # ---------- HuggingFace ----------
+        else:
+            pretty = url.split('/')[-1].split('?')[0]
+            display(HTML(f"<h3 style='color:yellow;'>📥 Descargando: <code>{pretty}</code></h3>"
+                         f"<h4 style='color:cyan;'>📁 Destino: <code>{dest}</code></h4>"))
+            subprocess.run([
+                "aria2c", "--console-log-level=error", "--content-disposition",
+                "-c", "-x", "8", "-s", "8", "-k", "1M",
+                "-d", dest, "-o", pretty, url
+            ])
+            for f in os.listdir(dest):
+                if re.fullmatch(r'[0-9a-f]{64}', f):
+                    os.rename(os.path.join(dest, f), os.path.join(dest, pretty))
+                    break
+
+    display(HTML("<h3 style='color:lightgreen;'>✅ Descarga finalizada</h3>"))
+
+# Registramos la línea mágica al importar el módulo
+get_ipython().register_magic_function(download, magic_kind='line')