mirror of
https://github.com/pgsty/minio.git
synced 2026-09-16 15:34:06 +03:00
Feng Ruohang
164 lines
9.2 KiB
Python
164 lines
9.2 KiB
Python
# Copyright (c) 2026 Feng Ruohang
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""Pure, self-contained SVG rendering for SILO's README cards."""
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from datetime import date, timedelta
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from html import escape
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import math
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import xml.etree.ElementTree as ET
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themes = {
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'light': dict(bg='#ffffff', wash='#f2f7fc', edge='#d9e3ee', ink='#16222e',
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muted='#62758a', blue='#1d588c', copper='#b4762e', grid='#e5edf5',
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line='#2b6ca3', ring='#dce5ef', field='#f7f9fc', label='#3d4e61'),
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'dark': dict(bg='#101923', wash='#152738', edge='#2b3c50', ink='#e8eef6',
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muted='#93a3b8', blue='#7fb8e8', copper='#e0a35c', grid='#263749',
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line='#5da2dd', ring='#3a4e63', field='#0b1119', label='#b6c2d2'),
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}
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def read_emblem(path):
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emblem = ET.parse(path).getroot()
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body = ''.join(ET.tostring(child, encoding='unicode') for child in emblem
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if child.tag.rsplit('}', 1)[-1] in ('defs', 'g'))
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return '\n'.join(line.rstrip() for line in body.splitlines()).strip()
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def txt(x, y, value, size=14, color=None, weight=400, anchor='start', mono=False, spacing=None):
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family = 'Menlo,Consolas,monospace' if mono else 'Arial,Helvetica,sans-serif'
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extra = f' letter-spacing="{spacing}"' if spacing is not None else ''
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return (f'<text x="{x}" y="{y}" font-family="{family}" font-size="{size}" '
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f'font-weight="{weight}" fill="{color}" text-anchor="{anchor}"{extra}>'
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f'{escape(str(value))}</text>')
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def start(height, theme, title, description, emblem_body):
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t = themes[theme]
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return [f'<svg xmlns="http://www.w3.org/2000/svg" width="1000" height="{height}" '
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f'viewBox="0 0 1000 {height}" role="img" aria-labelledby="title desc">',
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f'<title id="title">{escape(title)}</title><desc id="desc">{escape(description)}</desc>',
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'<defs><linearGradient id="surface" x1="0" y1="1" x2="1" y2="0">'
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f'<stop offset="0" stop-color="{t["bg"]}"/>'
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f'<stop offset="1" stop-color="{t["wash"]}"/></linearGradient>'
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'<linearGradient id="accent" x1="0" y1="0" x2="1" y2="0">'
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f'<stop offset="0" stop-color="{t["blue"]}"/>'
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f'<stop offset="1" stop-color="{t["copper"]}"/></linearGradient>'
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'<linearGradient id="area" x1="0" y1="0" x2="0" y2="1">'
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f'<stop offset="0" stop-color="{t["line"]}" stop-opacity=".22"/>'
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f'<stop offset="1" stop-color="{t["line"]}" stop-opacity=".015"/>'
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'</linearGradient></defs>',
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f'<rect x=".75" y=".75" width="998.5" height="{height-1.5}" rx="22" '
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f'fill="url(#surface)" stroke="{t["edge"]}" stroke-width="1.5"/>',
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f'<svg x="40" y="25" width="25" height="25" viewBox="230 213 570 570">{emblem_body}</svg>']
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def heading(parts, t, eyebrow, title, subtitle, value, value_label):
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parts.extend([
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txt(76, 43, eyebrow, 11, t['muted'], 600, mono=True, spacing=1.7),
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txt(40, 94, title, 32, t['ink'], 700),
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txt(41, 123, subtitle, 14, t['muted']),
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txt(958, 89, f'{value:,}', 45, t['ink'], 700, anchor='end'),
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txt(957, 114, value_label, 10, t['muted'], 600, anchor='end', mono=True, spacing=1.5),
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f'<path d="M40 146 H960" stroke="{t["edge"]}"/>',
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])
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def contributors(theme, people, snapshot, emblem_body):
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height = 206 + 76 * math.ceil(len(people) / 10)
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t = themes[theme]
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parts = start(height, theme, f'SILO community — {len(people)} contributors',
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f'The existing SILO community roll, including code, proposals and reports across related projects. '
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f'Gold rings retain the existing significant-contribution designation. Snapshot {snapshot}.', emblem_body)
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heading(parts, t, 'SILO / COMMUNITY', 'Contributors',
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'Code, proposals & reports across SILO and related projects', len(people), 'COMMUNITY CONTRIBUTORS')
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for row in range(math.ceil(len(people) / 10)):
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group = people[row * 10:(row + 1) * 10]
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row_width = len(group) * 91
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for col, person in enumerate(group):
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x = (1000 - row_width) / 2 + col * 91 + 45.5
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y = 199 + row * 76
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identifier = f'avatar-{row}-{col}'
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featured = bool(person.get('featured'))
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parts.append(f'<g><title>@{escape(person["handle"])} — {escape(person["what"])}</title>')
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parts.append(f'<defs><clipPath id="{identifier}"><circle cx="{x}" cy="{y}" r="29"/></clipPath></defs>')
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if featured:
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parts.append(f'<circle cx="{x}" cy="{y}" r="34" fill="{t["copper"]}" opacity=".09"/>')
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if person.get('avatarDataUrl'):
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parts.append(f'<image x="{x-29}" y="{y-29}" width="58" height="58" '
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f'clip-path="url(#{identifier})" href="{escape(person["avatarDataUrl"])}"/>')
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else:
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parts.append(f'<circle cx="{x}" cy="{y}" r="29" fill="{t["ring"]}"/>')
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parts.append(txt(x, y + 9, person['handle'][0].upper(), 26, t['ink'], 700, 'middle'))
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parts.append(f'<circle cx="{x}" cy="{y}" r="30.5" fill="none" '
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f'stroke="{t["copper"] if featured else t["ring"]}" stroke-width="{2 if featured else 1.25}"/></g>')
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parts.extend([
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f'<path d="M40 {height-42} H960" stroke="{t["edge"]}"/>',
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f'<circle cx="47" cy="{height-21}" r="4" fill="none" stroke="{t["copper"]}" stroke-width="1.5"/>',
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txt(61, height-17, 'Gold rings mark significant contributions', 12, t['muted']),
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txt(959, height-17, f'AS OF {snapshot}', 10, t['muted'], 500, 'end', mono=True, spacing=.6),
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'</svg>',
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])
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return ''.join(parts)
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def stars(theme, history, snapshot, emblem_body):
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points = history['points']
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star_count = points[-1]['stars']
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t = themes[theme]
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provenance = ('Initial history reconstructed · Daily totals since ' + history['bootstrap']['through'] + ' · UTC'
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if history['bootstrap']['reconstructed'] else 'Observed daily star totals · UTC')
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parts = start(558, theme, f'SILO star history — {star_count:,} stars',
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f'GitHub repository pgsty/silo. {star_count:,} stars as of {snapshot}. ' +
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provenance, emblem_body)
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heading(parts, t, 'SILO / GITHUB', 'Star History', 'pgsty/silo', star_count, 'GITHUB STARS')
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left, right, top, bottom = 76, 958, 177, 440
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begin = date.fromisoformat(points[0]['date'])
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end = date.fromisoformat(points[-1]['date'])
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days = max(1, (end - begin).days)
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maximum = max(500, math.ceil(max(p['stars'] for p in points) / 500) * 500)
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tick_step = 10 ** max(0, int(math.log10(maximum)))
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xy = lambda day, n: (left + (right-left)*(date.fromisoformat(day)-begin).days / days,
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bottom-(bottom-top)*n/maximum)
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for value in range(0, maximum+1, tick_step):
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y = xy(points[0]['date'], value)[1]
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parts.append(f'<path d="M{left} {y:.2f} H{right}" stroke="{t["grid"]}" stroke-dasharray="4 6"/>')
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parts.append(txt(left-16, round(y+4, 2), f'{value / 1000:g}k' if value >= 1000 else str(value), 12, t['muted'], anchor='end'))
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dates = sorted({begin + timedelta(days=round((end-begin).days*i/5)) for i in range(6)})
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ticks = [(d.isoformat(), d.strftime('%b %Y') if days > 90 else d.strftime('%b %d')) for d in dates]
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for day, label in ticks:
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x = xy(day, 0)[0]
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parts.append(f'<path d="M{x:.2f} {top} V{bottom}" stroke="{t["grid"]}" stroke-opacity=".65"/>')
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anchor = 'start' if day == points[0]['date'] else 'end' if day == snapshot else 'middle'
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parts.append(txt(round(x, 2), 466, label, 12, t['muted'], anchor=anchor))
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coords = [xy(p['date'], p['stars']) for p in points]
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line = 'M' + ' L'.join(f'{x:.2f} {y:.2f}' for x, y in coords)
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area = line + f' L{coords[-1][0]:.2f} {bottom} L{left} {bottom} Z'
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parts.extend([
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f'<path d="{area}" fill="url(#area)"/>',
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f'<path d="{line}" fill="none" stroke="url(#accent)" stroke-width="3" '
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'stroke-linecap="round" stroke-linejoin="round"/>',
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f'<path d="M{left} {bottom} H{right}" stroke="{t["edge"]}"/>',
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])
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x, y = coords[-1]
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parts.extend([
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f'<circle cx="{x}" cy="{y}" r="10" fill="{t["copper"]}" opacity=".12"/>',
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f'<circle cx="{x}" cy="{y}" r="5" fill="{t["copper"]}" stroke="{t["bg"]}" stroke-width="2"/>',
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f'<path d="M40 491 H960" stroke="{t["edge"]}"/>',
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txt(40, 516, f'{begin:%b %Y} — {end:%b %Y}'.upper(), 10, t['muted'], 500, mono=True, spacing=.7),
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txt(959, 516, f'SNAPSHOT {snapshot}', 10, t['muted'], 500, 'end', mono=True, spacing=.6),
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txt(40, 539, provenance, 11, t['muted']),
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'</svg>',
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])
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return ''.join(parts)
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