Release standalone PPT template workflow 0.5.0

2026-10-10 21:02:47 +08:00
commit 4e3271ff62
303 changed files with 190946 additions and 0 deletions
@@ -0,0 +1,165 @@
+#!/usr/bin/env python3
+"""
+Ideogram image generation backend.
+
+Configuration keys:
+  IDEOGRAM_API_KEY   (required)
+  IDEOGRAM_BASE_URL  (optional)
+  IDEOGRAM_MODEL     (optional)
+"""
+
+import sys
+from pathlib import Path
+
+_SCRIPTS_DIR = Path(__file__).resolve().parents[1]
+if str(_SCRIPTS_DIR) not in sys.path:
+    sys.path.insert(0, str(_SCRIPTS_DIR))
+
+from console_encoding import configure_utf8_stdio  # noqa: E402
+
+configure_utf8_stdio()
+
+if __name__ == "__main__":
+    print(__doc__)
+    print("Use via: python3 skills/ppt-master/scripts/image_gen.py \"prompt\" --backend ideogram")
+    raise SystemExit(0 if any(arg in {"-h", "--help", "help"} for arg in sys.argv[1:]) else 1)
+
+import os
+import time
+
+import requests
+
+from image_backends.backend_common import (
+    MAX_RETRIES,
+    download_image,
+    http_error,
+    is_rate_limit_error,
+    require_api_key,
+    resolve_output_path,
+    retry_delay,
+)
+
+
+ASPECT_RATIO_MAP = {
+    "1:1": "1x1",
+    "1:4": "1x4",
+    "2:3": "2x3",
+    "3:2": "3x2",
+    "3:4": "3x4",
+    "4:1": "4x1",
+    "4:3": "4x3",
+    "4:5": "4x5",
+    "5:4": "5x4",
+    "9:16": "9x16",
+    "16:9": "16x9",
+    "21:9": "21x9",
+}
+
+DEFAULT_BASE_URL = "https://api.ideogram.ai"
+DEFAULT_MODEL = "ideogram-v3"
+MODEL_ALIASES = {"ideogram-v3", "v3"}
+
+IMAGE_SIZE_TO_SPEED = {
+    "512px": "TURBO",
+    "1K": "DEFAULT",
+    "2K": "QUALITY",
+    "4K": "QUALITY",
+}
+
+
+def _resolve_url(base_url: str) -> str:
+    """Resolve the Ideogram generation endpoint."""
+    base = base_url.rstrip("/")
+    if base.endswith("/generate"):
+        return base
+    return base + "/v1/ideogram-v3/generate"
+
+
+def _generate_image(api_key: str, prompt: str,
+                    aspect_ratio: str = "1:1", image_size: str = "1K",
+                    output_dir: str = None, filename: str = None,
+                    model: str = DEFAULT_MODEL, base_url: str = DEFAULT_BASE_URL) -> str:
+    """Generate one image with the Ideogram backend."""
+    normalized_model = model.strip().lower()
+    if normalized_model not in MODEL_ALIASES:
+        raise ValueError(
+            f"Unsupported Ideogram model '{model}'. Supported: {sorted(MODEL_ALIASES)}"
+        )
+
+    mapped_ratio = ASPECT_RATIO_MAP.get(aspect_ratio)
+    if not mapped_ratio:
+        raise ValueError(
+            f"Unsupported aspect ratio '{aspect_ratio}' for Ideogram backend. "
+            f"Supported: {sorted(ASPECT_RATIO_MAP)}"
+        )
+
+    rendering_speed = IMAGE_SIZE_TO_SPEED.get(image_size, "DEFAULT")
+    url = _resolve_url(base_url)
+    headers = {"Api-Key": api_key}
+    files = {
+        "prompt": (None, prompt),
+        "aspect_ratio": (None, mapped_ratio),
+        "rendering_speed": (None, rendering_speed),
+    }
+
+    print("[Ideogram]")
+    print(f"  Model:        {normalized_model}")
+    print(f"  Prompt:       {prompt[:120]}{'...' if len(prompt) > 120 else ''}")
+    print(f"  Aspect Ratio: {aspect_ratio} -> {mapped_ratio}")
+    print(f"  Render Speed: {rendering_speed}")
+    print()
+    print("  [..] Generating...", end="", flush=True)
+    start = time.time()
+    response = requests.post(url, headers=headers, files=files, timeout=300)
+    elapsed = time.time() - start
+    print(f"\n  [DONE] Response received ({elapsed:.1f}s)")
+
+    if response.status_code != 200:
+        raise http_error(response, "Ideogram generation")
+
+    payload = response.json()
+    data = payload.get("data") or []
+    image_url = data[0].get("url") if data else None
+    if not image_url:
+        raise RuntimeError(f"Ideogram response missing image URL: {payload}")
+
+    path = resolve_output_path(prompt, output_dir, filename, ".png")
+    return download_image(image_url, path)
+
+
+def generate(prompt: str,
+             aspect_ratio: str = "1:1", image_size: str = "1K",
+             output_dir: str = None, filename: str = None,
+             model: str = None, max_retries: int = MAX_RETRIES) -> str:
+    """Generate an image with retries using the Ideogram backend."""
+    api_key = require_api_key(
+        "IDEOGRAM_API_KEY",
+        message="No API key found. Set IDEOGRAM_API_KEY in the current environment or a .env file.",
+    )
+    base_url = os.environ.get("IDEOGRAM_BASE_URL") or DEFAULT_BASE_URL
+    resolved_model = model or os.environ.get("IDEOGRAM_MODEL") or DEFAULT_MODEL
+
+    last_error = None
+    for attempt in range(max_retries + 1):
+        try:
+            return _generate_image(
+                api_key=api_key,
+                prompt=prompt,
+                aspect_ratio=aspect_ratio,
+                image_size=image_size,
+                output_dir=output_dir,
+                filename=filename,
+                model=resolved_model,
+                base_url=base_url,
+            )
+        except Exception as exc:
+            last_error = exc
+            if attempt >= max_retries:
+                break
+            limited = is_rate_limit_error(exc)
+            delay = retry_delay(attempt, rate_limited=limited)
+            label = "Rate limit hit" if limited else f"Error: {exc}"
+            print(f"\n  [WARN] {label}. Retrying in {delay}s...")
+            time.sleep(delay)
+
+    raise RuntimeError(f"Failed after {max_retries + 1} attempts. Last error: {last_error}")