All 32 findings resolved: regex literals kept single-line with noqa (pattern IS the reviewed artifact), HTML rows string-concatenated for line length, walrus tuple in BIP-340 verify split into named generator, unused pytest import dropped. No behavior changes; 44/44 tests pass. Full-gate discipline restored: ruff exit 0.
83 lines
2.5 KiB
Python
83 lines
2.5 KiB
Python
"""Brand image templates (Pillow). 1080x1350 portrait, two brand styles.
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Deterministic, template-driven graphics — deliberately not AI-generated media
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(DECISIONS: nothing here trips AI-media disclosure requirements; it is typeset
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design). Fonts: Pillow's bundled default (scalable), so no system font deps.
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"""
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from __future__ import annotations
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import os
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from PIL import Image, ImageDraw, ImageFont
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WIDTH, HEIGHT = 1080, 1350
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_BRANDS = {
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# bitcoinhotels — warm gold on near-black
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"bh": {
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"bg": (20, 18, 16),
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"accent": (201, 168, 76),
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"text": (242, 236, 224),
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"muted": (150, 140, 120),
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},
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# hardcap — bitcoin orange on cool black
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"hc": {
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"bg": (13, 13, 16),
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"accent": (247, 147, 26),
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"text": (250, 250, 250),
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"muted": (120, 120, 130),
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},
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}
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def _font(size: int, bold: bool = False):
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# Pillow >=10: load_default(size=...) returns a scalable bundled font
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return ImageFont.load_default(size=size)
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def _vgrad(top: tuple, bottom: tuple) -> Image.Image:
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"""Simple two-color vertical gradient."""
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img = Image.new("RGB", (WIDTH, HEIGHT))
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for y in range(HEIGHT):
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t = y / (HEIGHT - 1)
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row = tuple(int(top[i] + (bottom[i] - top[i]) * t) for i in range(3))
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ImageDraw.Draw(img).line([(0, y), (WIDTH, y)], fill=row)
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return img
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def render_brand_image(
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*,
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brand: str = "bh",
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kicker: str | None,
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lines: list[str],
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tagline: list[str] | None = None,
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url: str | None = None,
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out_path: str,
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) -> str:
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"""Render one branded poster. Returns out_path. Raises on unknown brand."""
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if brand not in _BRANDS:
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raise ValueError(f"unknown brand {brand!r} (have: {sorted(_BRANDS)})")
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palette = _BRANDS[brand]
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img = _vgrad(palette["bg"], tuple(max(0, c - 8) for c in palette["bg"]))
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draw = ImageDraw.Draw(img)
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x, y = 90, 240
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if kicker:
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draw.text((x, y), kicker, font=_font(40), fill=palette["muted"])
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y += 110
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for line in lines:
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draw.text((x, y), line, font=_font(96, bold=True), fill=palette["text"])
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y += 118
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y += 24
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for t in tagline or []:
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draw.text((x, y), t, font=_font(38), fill=palette["muted"])
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y += 58
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draw.rectangle([x, y + 30, x + 470, y + 33], fill=palette["accent"])
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if url:
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draw.text((x, y + 110), url, font=_font(44), fill=palette["accent"])
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os.makedirs(os.path.dirname(out_path) or ".", exist_ok=True)
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img.save(out_path, "JPEG", quality=92)
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return out_path
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