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