app.py

import os
import gradio as gr
from glm_huggingface import run_glm
from open_ai import run_openai
from  prompt_loader import get_prompt

from dotenv import load_dotenv

load_dotenv()

if os.getenv("OPENAI_API_KEY",False):
    status = "using OPENAI_API_KEY"
    run_llm=run_openai
else:
    status = "using glm from huggingface"
    run_llm=run_glm


PROMPT_STYLE = get_prompt("PROMPT_STYLE")
PROMPT_TEXT = get_prompt("PROMPT_TEXT")
PROMPT_TEXT2 = get_prompt("PROMPT_TEXT2") 
SYSPROMPT_STYLE = get_prompt("SYSPROMPT_STYLE")
SYSPROMPT_TEXT = get_prompt("SYSPROMPT_TEXT")
PROMT_GEN_LYRICS = get_prompt("PROMT_GEN_LYRICS")
SYSPROMT_GEN_LYRICS = get_prompt("SYSPROMT_GEN_LYRICS")
SYSPROMT_GEN_STYLE_FROM_LYRICS = get_prompt("SYSPROMT_GEN_STYLE_FROM_LYRICS")
PROMT_GEN_STYLE_FROM_LYRICS = get_prompt("PROMT_GEN_STYLE_FROM_LYRICS")

def get_style_lyrics(style: str, lyrics: str, gen_lyrics: bool, gen_style_from_lyrics: bool = False):

    if gen_lyrics:
        try:
            gen_lyrics = run_llm(f"{PROMT_GEN_LYRICS}\n<THEME>{lyrics}</THEME>", sys_prompt=SYSPROMT_GEN_LYRICS)
            print (gen_lyrics)
            if gen_lyrics:
                lyrics=gen_lyrics
            else:
                lyrics=''
        except Exception as e:
            print(f"ERROR infer llm: {e}")
            lyrics=''

    if gen_style_from_lyrics:
        try:
            style_gen = run_llm(f"{PROMT_GEN_STYLE_FROM_LYRICS}\n<SONG_TEXT><LYRICS>\n{lyrics}\n</LYRICS></SONG_TEXT>",
                                sys_prompt=SYSPROMT_GEN_STYLE_FROM_LYRICS)
            if not style_gen:
                style_gen = ''
        except Exception as e:
            print(f"ERROR infer llm: {e}")
            style_gen = ''
    else:
        try:
            style_gen = run_llm(f"Describe {style}", sys_prompt=SYSPROMPT_STYLE)
            if not style_gen:
                style_gen = ''
        except Exception as e:
            print(f"ERROR infer llm: {e}")
            style_gen = ''


    try:
        text_glm = run_llm(f"{PROMPT_TEXT}\n{style_gen}\n#Text song:\n{lyrics}\n{PROMPT_TEXT2}", sys_prompt=SYSPROMPT_TEXT)
        if text_glm:
            text = text_glm
        else:
            text = ''
    except Exception as e:
        print(f"ERROR infer llm: {e}")
        text = ''

    return style_gen, text

isGenarateLyrics=False

# Define translatable strings
english_strings = {
    "title": "SUNO style generator and lyrics format",
    "performer_label": "Preferred Music Style:",
    "performer_placeholder": "Describe the desired music style in detail: you can blend different genres and influences, mention specific artists, instruments, rhythm, and overall mood. Specify the vocal type — male, female, high, raspy, smoky, operatic, or any other. Feel free to experiment — mix styles, evoke atmosphere, and express the emotions you want the music to convey.",
    "song_text_label": "Lyrics:",
    "song_text_placeholder": "Enter your song lyrics to format",
    "song_gen_label": "Idea for lyrics:",
    "song_gen_placeholder": "Share your inspiration — describe what you dream of singing about. Sketch out your song idea: emotions, events, places, characters — everything that matters. Tell the story you want to turn into music.",
    "language_english": "English",
    "language_russian": "Russian",
    "generate_button": "Generate",
    "style_label": "AI-Generated Style:",
    "song_result_label": "Formated song text:",
    "isGenerateLyrics": "generate lyrics (experemental)",
    "isGenerateStyle": "generate music style from lyrics"
}

russian_strings = {
    "title": "SUNO генератор стиля музыки и форматирования структуры песни",
    "performer_label": "Желаемый музыкальный стиль:",
    "performer_placeholder": "Опишите стиль музыки: можно сочетать разные жанры и направления, конкретных исполнителей, инструменты, ритм и настроение, тип вокала — мужской, женский, высокий, надрывный, прокуренный, оперный или любой другой. Передавайте атмосферу и эмоции, которые хотите услышать.",
    "song_text_label": "Текст песни:",
    "song_text_placeholder": "Введите текст песни для форматирования",
    "song_gen_label": "Опишите идею для текста песни:",
    "song_gen_placeholder": "Поделитесь вдохновением — опишите, о чём вы мечтаете спеть. Набросайте идею для песни: эмоции, события, место, герои — всё, что важно. Расскажите историю, которую хотите превратить в музыку.",
    "language_english": "Английский: ",
    "language_russian": "Русский: ",
    "generate_button": "Сгенерировать",
    "style_label": "AI-сгенерированный музыкальный стиль: ",
    "song_result_label": "Отформатированный текст песни: ",
    "isGenerateLyrics": "придумать текст песни (экспериментальная)",
    "isGenerateStyle": "придумать стиль музыки по тексту песни"
}

lang = "EN"

if lang=="EN":
    TS=english_strings
else:
    TS=russian_strings

def process_lang(selected_lang, isGenerateLyrics, isGenerateStyle):
    lang=selected_lang
    if selected_lang == "RU":
        TS=russian_strings
        message="Вы выбрали русский"
        isVisible=True
    elif selected_lang == "EN":
        TS=english_strings
        message="You selected English"
    else:
        message=""
        isVisible=False
    ret = [gr.update(label=TS["performer_label"],placeholder=TS["performer_placeholder"]),
            gr.update(label=TS["song_text_label" if not isGenerateLyrics else "song_gen_label"],
                    placeholder=TS["song_text_placeholder" if not isGenerateLyrics else "song_gen_placeholder"]),
            gr.update(label=TS["style_label"]),
            gr.update(label=TS["song_result_label"]),
            gr.update(value=TS["generate_button"]),
            gr.update(label=TS["isGenerateLyrics"]),
            gr.update(label=TS["isGenerateStyle"])
        ]
    return message, *ret

with gr.Blocks(title="Suno PromptGen", fill_height=True,
               theme=gr.themes.Default(primary_hue=gr.themes.colors.sky, secondary_hue=gr.themes.colors.indigo),
               analytics_enabled=False, css="footer{display:none !important}") as demo:
    with gr.Row(elem_id="header", equal_height=True):
        with gr.Column(scale=0, min_width=100):
            gr.Image(label="header AiCave",
                value="splash.webp",
                width=100,
                height=100,
                show_label=False,
                interactive=False,
                show_download_button=False,
                show_fullscreen_button=False,
                show_share_button=False,
                elem_id="logo"
            )

        with gr.Column(scale=90,):
            gr.Markdown(f"# {TS['title']}\n## by <a href='https://boosty.to/aicave/donate'>AiCave</a>")

        with gr.Column(scale=5):
            radio_lang = gr.Radio(choices = ["RU",  "EN"],  show_label = False, container = False, type = "value", value=lang)
        with gr.Column(scale=5):
            generate_button = gr.Button(TS["generate_button"], variant="primary", size="lg")
    with gr.Row():
        with gr.Column():
            name_input = gr.Textbox(label=TS["performer_label"],lines=5, max_lines=10,
                                    placeholder=TS["performer_placeholder"], autofocus=True)
            isGenerateStyle = gr.Checkbox(value=False, label=TS["isGenerateStyle"], show_label=True)
            gr.Markdown("")
            text_input = gr.Textbox(label=TS["song_text_label"], lines=23, max_lines=23,
                                    placeholder=TS["song_text_placeholder"])

            isGenerateLyrics = gr.Checkbox(value=False, label=TS["isGenerateLyrics"], show_label=True)

        with gr.Column(show_progress=False):
            style_output = gr.Textbox(label=TS["style_label"],lines=7, max_lines=10,
                                      show_copy_button=True,)
            gr.Markdown("")
            song_output = gr.Textbox(label=TS["song_result_label"], lines=25, max_lines=25,show_copy_button=True)

    with gr.Row(variant="default"):
            log_text = gr.Textbox(value=status, container=False, lines=1, max_lines=1)

    generate_button.click(
        fn=get_style_lyrics,
        inputs=[name_input, text_input, isGenerateLyrics, isGenerateStyle],
        outputs=[style_output, song_output],
        api_name="GenSuno",
        show_api=True
    )   

    radio_lang.change(process_lang, inputs=[radio_lang, isGenerateLyrics, isGenerateStyle],
                outputs=[log_text,name_input,text_input,style_output,song_output,generate_button,
                        isGenerateLyrics, isGenerateStyle],
                api_name=False, show_api=False)

    isGenerateLyrics.change(process_lang, inputs=[radio_lang, isGenerateLyrics, isGenerateStyle],
                outputs=[log_text,name_input,text_input,style_output,song_output,generate_button,
                        isGenerateLyrics, isGenerateStyle],
                api_name=False, show_api=False)
    isGenerateStyle.change(process_lang, inputs=[radio_lang, isGenerateLyrics, isGenerateStyle],
                outputs=[log_text,name_input,text_input,style_output,song_output,generate_button,
                        isGenerateLyrics, isGenerateStyle],
                api_name=False, show_api=False)
    
demo.css = """
#header {
    align-items: center;
    padding: 0px 0px;
    border-bottom: None;
}
"""

if __name__ == "__main__":
    demo.launch(quiet = False)