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Update app.py
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app.py
CHANGED
@@ -14,16 +14,8 @@ import subprocess
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import re
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import math
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from pydub import AudioSegment
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def buscar_videos_pexels(query, api_key, per_page=5):
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headers = {"Authorization": api_key}
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response = requests.get(
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"https://api.pexels.com/videos/search",
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headers=headers,
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params={"query": query, "per_page": per_page}
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)
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return response.json()["videos"] # Devuelve la lista de videos
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# Configuración de logging
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
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@@ -32,259 +24,236 @@ logger = logging.getLogger(__name__)
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# Clave API de Pexels
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PEXELS_API_KEY = os.environ.get("PEXELS_API_KEY")
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# Inicialización de modelos
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MODEL_NAME = "gpt2"
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try:
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tokenizer = GPT2Tokenizer.from_pretrained(MODEL_NAME)
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model = GPT2LMHeadModel.from_pretrained(MODEL_NAME).eval()
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if tokenizer.pad_token is None:
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tokenizer.pad_token = tokenizer.eos_token
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logger.info(
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except Exception as e:
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logger.error(f"Error al cargar modelo GPT-2: {e}")
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tokenizer = None
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model = None
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try:
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kw_model = KeyBERT('
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logger.info("
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except Exception as e:
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logger.error(f"Error al cargar KeyBERT: {e}")
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kw_model = None
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if not tokenizer or not model:
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return "Lo siento, el generador de guiones no está disponible."
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logger.info("Generando guion con GPT-2...")
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try:
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text = tokenizer.decode(outputs[0], skip_special_tokens=True)
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return text
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except Exception as e:
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logger.error(f"Error generando guion: {e}")
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return
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try:
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communicate = edge_tts.Communicate(text, voice)
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await communicate.save(output_path)
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logger.info(f"Audio TTS guardado")
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return True
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except Exception as e:
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logger.error(f"Error TTS: {e}")
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return False
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def download_video_file(url, temp_dir):
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if not url:
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return None
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file_name = url.split('/')[-1].split('?')[0]
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if not file_name.endswith('.mp4'):
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file_name = f"video_temp_{os.getpid()}_{datetime.now().strftime('%f')}.mp4"
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output_path = os.path.join(temp_dir, file_name)
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logger.info(f"Descargando video: {url}")
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try:
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response = requests.get(url, stream=True, timeout=30)
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with open(output_path, 'wb') as f:
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for chunk in response.iter_content(chunk_size=8192):
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f.write(chunk)
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logger.info(f"Video descargado")
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return output_path
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except Exception as e:
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logger.error(f"Error descargando video: {e}")
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if os.path.exists(output_path):
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os.remove(output_path)
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return None
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def loop_audio_to_length(audio_clip, target_duration):
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if audio_clip.duration >= target_duration:
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return audio_clip.subclip(0, target_duration)
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loops = int(target_duration / audio_clip.duration) + 1
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audios = [audio_clip] * loops
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return concatenated.subclip(0, target_duration)
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if not segments:
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segments = [script_text]
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all_keywords = set()
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for segment in segments:
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if not segment: continue
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try:
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keyphrase_ngram_range=(1,
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stop_words='spanish',
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top_n=
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use_mmr=True,
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diversity=0.7
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)
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logger.warning(f"Error extrayendo keywords: {e}")
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all_keywords.add(segment.split(' ')[0].strip().replace(" ", "+"))
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return list(all_keywords)
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def search_pexels_videos(query_list, num_videos_per_query=5, min_duration_sec=7):
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if not PEXELS_API_KEY:
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logger.error("ERROR: PEXELS_API_KEY no configurada.")
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raise ValueError("Configura PEXELS_API_KEY en los Secrets")
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results = pexel.search_videos(
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query=query,
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orientation='landscape',
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per_page=num_videos_per_query
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)
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videos = results.get('videos', [])
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if not videos:
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logger.info(f"No se encontraron videos para: '{query}'")
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continue
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for video in videos:
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video_files = video.get('video_files', [])
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if video_files:
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best_quality = max(
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video_files,
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key=lambda x: x.get('width', 0) * x.get('height', 0)
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)
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all_video_urls.append(best_quality['link'])
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except Exception as e:
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logger.error(f"Error buscando videos: {e}")
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return all_video_urls
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logger.info(f"Iniciando creación de video: {prompt_type}")
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if prompt_type == "Generar Guion con IA":
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guion = generate_script(input_text)
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if not guion or "No se pudo" in guion:
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raise ValueError(guion)
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else:
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guion = input_text
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temp_files = []
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final_clips = []
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temp_video_dir = tempfile.mkdtemp()
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temp_files.append(temp_video_dir)
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try:
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if not asyncio.run(text_to_speech(guion,
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raise ValueError("Error generando voz")
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audio_tts = AudioFileClip(
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if path:
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current_duration = 0
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for path in
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try:
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clip = VideoFileClip(path)
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current_duration += clip_duration
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if current_duration >= total_desired_duration:
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break
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except Exception as e:
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logger.warning(f"Error procesando
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if not
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raise ValueError("No hay clips válidos")
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video_base = concatenate_videoclips(final_clips, method="compose")
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if video_base.duration < audio_tts.duration:
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num_repeats = int(audio_tts.duration / video_base.duration) + 1
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video_base = concatenate_videoclips([video_base] * num_repeats)
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final_video_duration = audio_tts.duration
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mezcla_audio = audio_tts
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if musica_url and musica_url.strip():
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musica_path = download_video_file(musica_url, temp_video_dir)
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if musica_path:
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temp_files.append(musica_path)
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try:
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musica_audio = AudioFileClip(musica_path)
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musica_loop = loop_audio_to_length(musica_audio, final_video_duration)
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mezcla_audio = CompositeAudioClip([
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musica_loop.volumex(0.3),
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audio_tts.set_duration(final_video_duration).volumex(1.0)
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])
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except Exception as e:
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logger.warning(f"Error música: {e}")
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video_final = video_base.set_audio(mezcla_audio).subclip(0, final_video_duration)
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output_dir = "output_videos"
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os.makedirs(output_dir, exist_ok=True)
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output_path = os.path.join(output_dir, f"video_{datetime.now().strftime('%Y%m%d_%H%M%S')}.mp4")
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video_final.write_videofile(
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output_path,
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fps=24,
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codec="libx264",
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audio_codec="aac",
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preset="medium",
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)
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return output_path
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except Exception as e:
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logger.error(f"Error
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raise
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finally:
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raise gr.Error("Introduce tu guion.")
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try:
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video_path = crear_video(prompt_type, input_text,
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return video_path, "¡Video generado exitosamente!"
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else:
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raise gr.Error("Error desconocido")
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except ValueError as ve:
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return None, f"Error: {ve}"
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except Exception as e:
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return None, f"Error
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with gr.Tab("
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with gr.Row():
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prompt_type = gr.Radio(
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["Generar Guion con IA", "Usar Mi Guion"],
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)
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with gr.Column(visible=True) as ia_guion_column:
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label="Tema para IA",
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lines=2,
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placeholder="Ej:
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)
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with gr.Column(visible=False) as manual_guion_column:
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prompt_manual = gr.Textbox(
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label="Tu Guion",
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lines=5,
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placeholder="Ej:
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)
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musica_input = gr.
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label="
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)
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boton = gr.Button("Generar Video", variant="primary")
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with gr.Column():
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salida_video = gr.Video(label="Video
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estado_mensaje = gr.Textbox(label="Estado", interactive=False)
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prompt_type.change(
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inputs=prompt_type,
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outputs=[ia_guion_column, manual_guion_column]
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)
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boton.click(
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outputs=[salida_video, estado_mensaje],
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queue=False
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).then(
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inputs=[prompt_type, prompt_ia, prompt_manual, musica_input],
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outputs=[salida_video, estado_mensaje]
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)
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gr.Markdown("### Instrucciones:")
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gr.Markdown("""
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1. Selecciona el tipo de entrada (generar guion o usar uno existente)
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2. Ingresa tu texto o tema
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3. Opcional: añade una URL de música de fondo
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4. Haz clic en 'Generar Video'
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""")
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if __name__ == "__main__":
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app.launch(server_name="0.0.0.0", server_port=7860)
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import re
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import math
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from pydub import AudioSegment
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from collections import Counter
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import shutil
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# Configuración de logging
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
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# Clave API de Pexels
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PEXELS_API_KEY = os.environ.get("PEXELS_API_KEY")
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# Buscar videos en Pexels usando API REST
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def buscar_videos_pexels(query, api_key, per_page=5):
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headers = {"Authorization": api_key}
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try:
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response = requests.get(
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"https://api.pexels.com/videos/search",
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headers=headers,
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params={"query": query, "per_page": per_page, "orientation": "landscape"},
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timeout=15
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)
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response.raise_for_status()
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return response.json().get("videos", [])
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except Exception as e:
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logger.error(f"Error buscando videos en Pexels: {e}")
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return []
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# Inicialización de modelos
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MODEL_NAME = "datificate/gpt2-small-spanish" # Modelo en español
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try:
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tokenizer = GPT2Tokenizer.from_pretrained(MODEL_NAME)
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model = GPT2LMHeadModel.from_pretrained(MODEL_NAME).eval()
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if tokenizer.pad_token is None:
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tokenizer.pad_token = tokenizer.eos_token
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logger.info("Modelo GPT-2 en español cargado")
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except Exception as e:
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logger.error(f"Error al cargar modelo GPT-2: {e}")
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tokenizer = model = None
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try:
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kw_model = KeyBERT('distilbert-base-multilingual-cased') # Modelo multilingüe
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logger.info("KeyBERT cargado")
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except Exception as e:
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logger.error(f"Error al cargar KeyBERT: {e}")
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kw_model = None
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# Función mejorada para generar guiones
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def generate_script(prompt, max_length=150):
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if not tokenizer or not model:
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return prompt # Fallback al prompt original
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try:
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# Prompt mejorado con instrucciones claras
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enhanced_prompt = f"Escribe un guion corto y coherente sobre: {prompt}"
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inputs = tokenizer(enhanced_prompt, return_tensors="pt", truncation=True, max_length=512)
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# Parámetros optimizados para español
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outputs = model.generate(
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**inputs,
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max_length=max_length,
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do_sample=True,
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top_p=0.9,
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top_k=40,
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temperature=0.7,
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repetition_penalty=1.5,
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pad_token_id=tokenizer.pad_token_id,
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eos_token_id=tokenizer.eos_token_id
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)
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text = tokenizer.decode(outputs[0], skip_special_tokens=True)
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# Limpiar texto generado
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88 |
+
text = re.sub(r'<[^>]+>', '', text) # Eliminar tokens especiales
|
89 |
+
text = text.split(".")[0] + "." # Tomar la primera oración coherente
|
90 |
return text
|
91 |
except Exception as e:
|
92 |
logger.error(f"Error generando guion: {e}")
|
93 |
+
return prompt # Fallback al prompt original
|
94 |
|
95 |
+
# Generación de voz
|
96 |
+
async def text_to_speech(text, output_path, voice="es-ES-ElviraNeural"):
|
97 |
try:
|
98 |
communicate = edge_tts.Communicate(text, voice)
|
99 |
await communicate.save(output_path)
|
|
|
100 |
return True
|
101 |
except Exception as e:
|
102 |
+
logger.error(f"Error en TTS: {e}")
|
103 |
return False
|
104 |
|
105 |
+
# Descarga de videos
|
106 |
def download_video_file(url, temp_dir):
|
107 |
if not url:
|
108 |
return None
|
109 |
|
|
|
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|
|
|
|
|
|
|
|
|
110 |
try:
|
111 |
+
response = requests.get(url, stream=True, timeout=30)
|
112 |
+
file_name = f"video_{datetime.now().strftime('%H%M%S%f')}.mp4"
|
113 |
+
output_path = os.path.join(temp_dir, file_name)
|
114 |
+
|
115 |
with open(output_path, 'wb') as f:
|
116 |
for chunk in response.iter_content(chunk_size=8192):
|
117 |
+
f.write(chunk)
|
|
|
|
|
118 |
return output_path
|
119 |
except Exception as e:
|
120 |
logger.error(f"Error descargando video: {e}")
|
|
|
|
|
121 |
return None
|
122 |
|
123 |
+
# Loop para audio
|
124 |
def loop_audio_to_length(audio_clip, target_duration):
|
125 |
if audio_clip.duration >= target_duration:
|
126 |
return audio_clip.subclip(0, target_duration)
|
127 |
|
128 |
loops = int(target_duration / audio_clip.duration) + 1
|
129 |
audios = [audio_clip] * loops
|
130 |
+
return concatenate_videoclips(audios).subclip(0, target_duration)
|
|
|
131 |
|
132 |
+
# Extracción de palabras clave robusta
|
133 |
+
def extract_visual_keywords_from_script(script_text):
|
134 |
+
# Limpiar texto
|
135 |
+
clean_text = re.sub(r'[^\w\sáéíóúñ]', '', script_text.lower())
|
136 |
|
137 |
+
# Método 1: KeyBERT si está disponible
|
138 |
+
if kw_model:
|
|
|
|
|
|
|
|
|
|
|
|
|
139 |
try:
|
140 |
+
keywords = kw_model.extract_keywords(
|
141 |
+
clean_text,
|
142 |
+
keyphrase_ngram_range=(1, 1),
|
143 |
+
stop_words='spanish',
|
144 |
+
top_n=3
|
|
|
|
|
145 |
)
|
146 |
+
return [kw[0].replace(" ", "+") for kw in keywords]
|
147 |
+
except:
|
148 |
+
pass # Fallback al método simple
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
149 |
|
150 |
+
# Método 2: Frecuencia de palabras (fallback)
|
151 |
+
words = clean_text.split()
|
152 |
+
stop_words = {"el", "la", "los", "las", "de", "en", "y", "a", "que", "es", "un", "una", "con"}
|
153 |
+
keywords = [word for word in words if len(word) > 3 and word not in stop_words]
|
154 |
|
155 |
+
if not keywords:
|
156 |
+
return ["naturaleza"] # Palabra clave por defecto
|
157 |
|
158 |
+
# Contar frecuencia y seleccionar las 3 más comunes
|
159 |
+
word_counts = Counter(keywords)
|
160 |
+
return [word.replace(" ", "+") for word, _ in word_counts.most_common(3)]
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
161 |
|
162 |
+
# Función principal para crear video
|
163 |
+
def crear_video(prompt_type, input_text, musica_file=None):
|
164 |
logger.info(f"Iniciando creación de video: {prompt_type}")
|
165 |
+
|
166 |
+
# 1. Generar o usar guion
|
167 |
if prompt_type == "Generar Guion con IA":
|
168 |
guion = generate_script(input_text)
|
|
|
|
|
169 |
else:
|
170 |
guion = input_text
|
171 |
+
|
172 |
+
logger.info(f"Guion: {guion[:100]}...")
|
173 |
+
|
174 |
+
# Validar guion
|
175 |
+
if not guion.strip():
|
176 |
+
raise ValueError("El guion está vacío")
|
177 |
+
|
178 |
+
# Directorio temporal
|
179 |
+
temp_dir = tempfile.mkdtemp()
|
180 |
temp_files = []
|
181 |
+
|
|
|
|
|
|
|
|
|
|
|
182 |
try:
|
183 |
+
# 2. Generar audio de voz
|
184 |
+
voz_path = os.path.join(temp_dir, "voz.mp3")
|
185 |
+
if not asyncio.run(text_to_speech(guion, voz_path)):
|
186 |
raise ValueError("Error generando voz")
|
187 |
+
temp_files.append(voz_path)
|
188 |
|
189 |
+
audio_tts = AudioFileClip(voz_path)
|
190 |
+
audio_duration = audio_tts.duration
|
191 |
+
|
192 |
+
# 3. Extraer palabras clave
|
193 |
+
keywords = extract_visual_keywords_from_script(guion)
|
194 |
+
logger.info(f"Palabras clave: {keywords}")
|
195 |
+
|
196 |
+
# 4. Buscar y descargar videos
|
197 |
+
videos_data = []
|
198 |
+
for keyword in keywords:
|
199 |
+
videos_data.extend(buscar_videos_pexels(keyword, PEXELS_API_KEY, per_page=2))
|
200 |
+
|
201 |
+
video_paths = []
|
202 |
+
for video in videos_data:
|
203 |
+
best_quality = max(video['video_files'], key=lambda x: x['width'] * x['height'])
|
204 |
+
path = download_video_file(best_quality['link'], temp_dir)
|
205 |
if path:
|
206 |
+
video_paths.append(path)
|
207 |
+
temp_files.append(path)
|
208 |
+
|
209 |
+
if not video_paths:
|
210 |
+
raise ValueError("No se encontraron videos adecuados")
|
211 |
+
|
212 |
+
# 5. Procesar videos
|
213 |
+
clips = []
|
214 |
current_duration = 0
|
215 |
|
216 |
+
for path in video_paths:
|
217 |
+
if current_duration >= audio_duration:
|
218 |
+
break
|
219 |
+
|
220 |
try:
|
221 |
clip = VideoFileClip(path)
|
222 |
+
usable_duration = min(clip.duration, 10)
|
223 |
+
clips.append(clip.subclip(0, usable_duration))
|
224 |
+
current_duration += usable_duration
|
|
|
|
|
|
|
225 |
except Exception as e:
|
226 |
+
logger.warning(f"Error procesando video: {e}")
|
227 |
+
|
228 |
+
if not clips:
|
229 |
raise ValueError("No hay clips válidos")
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
230 |
|
231 |
+
video_base = concatenate_videoclips(clips, method="compose")
|
232 |
+
|
233 |
+
# 6. Manejar música de fondo
|
234 |
+
final_audio = audio_tts
|
235 |
+
|
236 |
+
if musica_file:
|
237 |
+
try:
|
238 |
+
# Convertir el archivo de música a formato utilizable
|
239 |
+
music_path = os.path.join(temp_dir, "musica.mp3")
|
240 |
+
shutil.copyfile(musica_file, music_path)
|
241 |
+
temp_files.append(music_path)
|
242 |
+
|
243 |
+
musica_audio = AudioFileClip(music_path)
|
244 |
+
musica_loop = loop_audio_to_length(musica_audio, audio_duration)
|
245 |
+
|
246 |
+
final_audio = CompositeAudioClip([
|
247 |
+
musica_loop.volumex(0.3),
|
248 |
+
audio_tts.volumex(1.0)
|
249 |
+
])
|
250 |
+
except Exception as e:
|
251 |
+
logger.warning(f"Error procesando música: {e}")
|
252 |
+
|
253 |
+
# 7. Crear video final
|
254 |
+
video_final = video_base.set_audio(final_audio).subclip(0, audio_duration)
|
255 |
+
|
256 |
+
output_path = os.path.join(temp_dir, "final_video.mp4")
|
257 |
video_final.write_videofile(
|
258 |
output_path,
|
259 |
fps=24,
|
|
|
261 |
codec="libx264",
|
262 |
audio_codec="aac",
|
263 |
preset="medium",
|
264 |
+
logger=None
|
265 |
)
|
266 |
|
267 |
return output_path
|
268 |
+
|
269 |
except Exception as e:
|
270 |
+
logger.error(f"Error creando video: {e}")
|
271 |
+
raise
|
272 |
finally:
|
273 |
+
# Limpieza
|
274 |
+
for path in temp_files:
|
275 |
+
try:
|
276 |
+
if os.path.isfile(path):
|
277 |
+
os.remove(path)
|
278 |
+
except:
|
279 |
+
pass
|
280 |
+
if os.path.exists(temp_dir):
|
281 |
+
shutil.rmtree(temp_dir, ignore_errors=True)
|
282 |
+
|
283 |
+
# Función para ejecutar la aplicación
|
284 |
+
def run_app(prompt_type, prompt_ia, prompt_manual, musica_file):
|
285 |
+
input_text = prompt_ia if prompt_type == "Generar Guion con IA" else prompt_manual
|
286 |
+
|
287 |
+
if not input_text.strip():
|
288 |
+
return None, "Por favor ingresa texto"
|
289 |
+
|
|
|
|
|
290 |
try:
|
291 |
+
video_path = crear_video(prompt_type, input_text, musica_file)
|
292 |
+
return video_path, "✅ Video generado exitosamente"
|
|
|
|
|
|
|
293 |
except ValueError as ve:
|
294 |
+
return None, f"⚠️ Error: {ve}"
|
295 |
except Exception as e:
|
296 |
+
return None, f"❌ Error crítico: {str(e)}"
|
297 |
|
298 |
+
# Interfaz de Gradio
|
299 |
+
with gr.Blocks(title="Generador de Videos con IA", theme="soft") as app:
|
300 |
+
gr.Markdown("## 🎬 Generador Automático de Videos con IA")
|
301 |
|
302 |
+
with gr.Tab("Generador de Video"):
|
303 |
with gr.Row():
|
304 |
prompt_type = gr.Radio(
|
305 |
["Generar Guion con IA", "Usar Mi Guion"],
|
|
|
308 |
)
|
309 |
|
310 |
with gr.Column(visible=True) as ia_guion_column:
|
311 |
+
prompt_ia = gr.Textbox(
|
312 |
label="Tema para IA",
|
313 |
lines=2,
|
314 |
+
placeholder="Ej: Un paisaje natural con montañas y ríos..."
|
315 |
)
|
316 |
|
317 |
with gr.Column(visible=False) as manual_guion_column:
|
318 |
prompt_manual = gr.Textbox(
|
319 |
+
label="Tu Guion Completo",
|
320 |
lines=5,
|
321 |
+
placeholder="Ej: En este video exploraremos los misterios del océano..."
|
322 |
)
|
323 |
|
324 |
+
musica_input = gr.Audio(
|
325 |
+
label="Música de fondo (opcional)",
|
326 |
+
type="filepath"
|
327 |
)
|
328 |
|
329 |
+
boton = gr.Button("✨ Generar Video", variant="primary")
|
330 |
|
331 |
with gr.Column():
|
332 |
+
salida_video = gr.Video(label="Video Generado", interactive=False)
|
333 |
estado_mensaje = gr.Textbox(label="Estado", interactive=False)
|
334 |
|
335 |
+
# Manejar visibilidad de columnas
|
336 |
prompt_type.change(
|
337 |
+
lambda x: (gr.update(visible=x == "Generar Guion con IA"),
|
338 |
+
gr.update(visible=x == "Usar Mi Guion")),
|
339 |
inputs=prompt_type,
|
340 |
outputs=[ia_guion_column, manual_guion_column]
|
341 |
)
|
342 |
|
343 |
+
# Lógica de generación
|
344 |
boton.click(
|
345 |
+
lambda: (None, "⏳ Procesando... (puede tardar varios minutos)"),
|
346 |
outputs=[salida_video, estado_mensaje],
|
347 |
queue=False
|
348 |
).then(
|
349 |
+
run_app,
|
350 |
inputs=[prompt_type, prompt_ia, prompt_manual, musica_input],
|
351 |
outputs=[salida_video, estado_mensaje]
|
352 |
)
|
353 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
354 |
if __name__ == "__main__":
|
355 |
app.launch(server_name="0.0.0.0", server_port=7860)
|