#!/usr/bin/env python3
"""컨셉 #31 — 어스 트루스 (Patagonia Style) 이미지 생성."""
import base64
import sys
import time
from pathlib import Path
import requests
sys.path.insert(0, str(Path(__file__).parent))
import gcloud_auth
from gen_config import CTA_MIN_PX, HEAD_SUB_RATIO, SUBHEAD_MIN_PX, WORKSPACE_ROOT
# ── 디자인 토큰 ──
_CTA_PX = CTA_MIN_PX
_SIZE_42PX = 42
_SUBHEAD_PX = SUBHEAD_MIN_PX
_SIZE_92PX = 92
_LH_1_15 = 1.15
_LH_RATIO = HEAD_SUB_RATIO
OUTPUT_PATH = WORKSPACE_ROOT / "output/meta-ads/concept-catalog/31-patagonia-style/sample.png"
HTML_PATH = Path("/tmp/concept31_overlay.html")
BG_PROMPT = (
"Vast mountain landscape at golden hour, dramatic natural lighting, "
"earthy warm tones with deep forest greens and warm browns, open field or mountain vista, "
"natural and unfiltered color grading, slight film grain texture, "
"documentary outdoor photography style, panoramic view, "
"no text, no words, no letters, no people, 1080x1080 square format"
)
HTML_TEMPLATE = """
Concept 31 - Patagonia Style
CAREER CHANGE
열심히는 하는데,
월급은 제자리걸음?
당신의 노력만큼 보상받고 계십니까?
지금 확인하기 →
"""
def generate_bg_image(token: str, prompt: str) -> bytes:
"""Gemini API로 배경 이미지 생성."""
model_ids = [
"gemini-3-pro-image-preview",
"gemini-3.1-flash-image-preview",
"gemini-2.5-flash-image",
]
headers = {
"Authorization": f"Bearer {token}",
"Content-Type": "application/json",
}
payload = {
"contents": [{"parts": [{"text": prompt}]}],
"generationConfig": {"responseModalities": ["IMAGE", "TEXT"]},
}
last_err = None
resp = None
for model_id in model_ids:
url = f"https://generativelanguage.googleapis.com/v1beta/models/{model_id}:generateContent"
print(f" [Gemini] 배경 이미지 생성 중 (모델: {model_id})...")
start = time.time()
try:
resp = requests.post(url, headers=headers, json=payload, timeout=300)
if resp.status_code in (403, 404):
print(f" [Gemini] {resp.status_code} — 다음 모델 시도...")
last_err = resp.status_code
continue
resp.raise_for_status()
elapsed = time.time() - start
print(f" [Gemini] 완료 ({elapsed:.1f}초)")
break
except Exception as e:
last_err = e
print(f" [Gemini] 오류: {e} — 다음 모델 시도...")
continue
else:
raise RuntimeError(f"모든 모델 실패. 마지막 오류: {last_err}")
data = resp.json()
candidates = data.get("candidates", [])
if not candidates:
raise RuntimeError(f"No candidates: {str(data)[:300]}")
for part in candidates[0].get("content", {}).get("parts", []):
if "inlineData" in part:
return base64.b64decode(part["inlineData"]["data"])
raise RuntimeError("이미지 데이터가 응답에 없습니다.")
def render_html_to_png(bg_bytes: bytes, html_template: str, output_path: Path) -> None:
"""HTML + Playwright로 최종 PNG 생성."""
from playwright.sync_api import sync_playwright
import base64 as b64
bg_b64 = b64.b64encode(bg_bytes).decode()
bg_data_url = f"data:image/jpeg;base64,{bg_b64}"
html_content = html_template.format(bg_url=bg_data_url)
HTML_PATH.write_text(html_content, encoding="utf-8")
print(f" [HTML] 템플릿 저장: {HTML_PATH}")
output_path.parent.mkdir(parents=True, exist_ok=True)
with sync_playwright() as p:
browser = p.chromium.launch()
try:
page = browser.new_page(viewport={"width": 1080, "height": 1080})
page.goto(f"file://{HTML_PATH}", wait_until="networkidle")
page.wait_for_timeout(2000)
page.screenshot(path=str(output_path), type="png")
print(f" [PNG] 저장 완료: {output_path}")
finally:
browser.close()
def main():
print("=== 컨셉 #31 어스 트루스 (Patagonia Style) 생성 시작 ===")
print("\n[1/3] Gemini 인증 토큰 획득...")
token = gcloud_auth.get_service_account_token(
"https://www.googleapis.com/auth/generative-language"
)
print(f" 토큰 획득 성공 (길이: {len(token)}자)")
print("\n[2/3] 배경 이미지 생성...")
bg_bytes = generate_bg_image(token, BG_PROMPT)
print(f" 배경 이미지 크기: {len(bg_bytes):,} bytes")
print("\n[3/3] HTML 오버레이 합성 및 PNG 저장...")
render_html_to_png(bg_bytes, HTML_TEMPLATE, OUTPUT_PATH)
size_kb = OUTPUT_PATH.stat().st_size / 1024
print(f"\n=== 완료: {OUTPUT_PATH} ({size_kb:.0f} KB) ===")
if __name__ == "__main__":
main()