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# 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') |