badgeshield 0.2.4

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Why badgeshield instead of shields.io?

shields.io is great — but it makes an HTTP call to an external server on every CI run.

badgeshield generates badges entirely offline:

• No network calls — works in air-gapped CI, behind corporate proxies, and offline laptops
• No rate limits — generate thousands of badges in a single run
• No data sent externally — your version numbers, branch names, and repo stats stay local
• Reproducible — same inputs always produce the same SVG, no caching surprises

# Generate every standard badge for your Python project in one command
badgeshield preset --all --output_path ./badges/ --format markdown

Drop the output straight into your README. No account needed, no tokens, no network.

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📋 Table of Contents

• Why badgeshield?
• Overview
• Features
• Badge Showcase
• Installation
• Quick Start
• Coverage Badge
• CLI Usage
• Batch Generation
• Contributing

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📣 Overview

BadgeShield generates customizable SVG badges for GitLab, GitHub, and anywhere you can embed SVG. Five badge templates, four visual styles, 51 built-in colors, Pillow-powered font metrics, logo embedding with color tinting, automatic coverage badges from coverage.xml, and a Typer CLI with Rich progress bars and an SVG audit subcommand.

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💡 Features

• 5 templates — DEFAULT (two-part rectangular), PILL (fully rounded), CIRCLE, CIRCLE_FRAME with 11 PNG overlay frames, and BANNER (icon-zone + text).
• 4 visual styles — FLAT, ROUNDED, GRADIENT, and SHADOWED via BadgeStyle enum or --style CLI flag.
• 51 built-in colors — BadgeColor enum or any #RRGGBB hex string.
• Accurate text sizing — font widths measured via Pillow (DejaVuSans) with a fallback estimator when Pillow is absent.
• Logo support — embed PNG/JPEG logos with optional color tinting.
• Coverage badge — read coverage.xml and auto-generate a correctly-colored badge in one command.
• Concurrent batch — generate hundreds of badges in parallel from a JSON config; per-entry style overrides the CLI flag.
• Modern CLI — Typer + Rich: progress bar, error panels, summary table, and audit subcommand.
• Python API — import and generate from any script or CI job.

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🏅 Badge Showcase

These badges are generated by badgeshield itself — no shields.io, no network calls.

Project badges

Badge	Preset
	badgeshield preset version
	badgeshield preset python
	badgeshield preset branch
	badgeshield preset ruff
	badgeshield preset mypy
	badgeshield preset maintained
	badgeshield preset library
	badgeshield preset cross-platform

Templates

Template	Preview
DEFAULT
PILL
CIRCLE
BANNER

Styles (DEFAULT template)

Style	Preview
FLAT
ROUNDED
GRADIENT
SHADOWED

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📌 Installation

pip install badgeshield

With logo tinting support (requires Pillow):

pip install "badgeshield[image]"

Upgrade:

pip install --upgrade badgeshield

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🚀 Quick Start

Python API — DEFAULT template

from badgeshield import BadgeGenerator, BadgeStyle, BadgeTemplate

generator = BadgeGenerator(template=BadgeTemplate.DEFAULT, style=BadgeStyle.GRADIENT)
generator.generate_badge(
    left_text="build",
    left_color="#555555",
    right_text="passing",
    right_color="#44cc11",
    badge_name="build.svg",
    output_path="./badges",
)

style is set at generator construction time and applies to all badges that instance generates. Options: FLAT (default), ROUNDED, GRADIENT, SHADOWED.

PILL template

from badgeshield import BadgeGenerator, BadgeTemplate

generator = BadgeGenerator(template=BadgeTemplate.PILL)
generator.generate_badge(
    left_text="build",
    left_color="#555555",
    right_text="passing",
    right_color="#44cc11",
    badge_name="build-pill.svg",
)

CIRCLE template

from badgeshield import BadgeGenerator, BadgeTemplate

generator = BadgeGenerator(template=BadgeTemplate.CIRCLE)
generator.generate_badge(
    left_text="v2.1",
    left_color="#673ab7",
    badge_name="version.svg",
)

CIRCLE_FRAME template

from badgeshield import BadgeGenerator, BadgeTemplate, FrameType

generator = BadgeGenerator(template=BadgeTemplate.CIRCLE_FRAME)
generator.generate_badge(
    left_text="MH",
    left_color="#FF0000",
    badge_name="initials.svg",
    frame=FrameType.FRAME1,
    logo="path/to/avatar.png",
    logo_tint="#ffffff",
)

BANNER template

from badgeshield import BadgeGenerator, BadgeTemplate

generator = BadgeGenerator(template=BadgeTemplate.BANNER)
generator.generate_badge(
    left_text="badgeshield",
    left_color="#1a1a2e",
    right_text="v1.0",
    right_color="#16213e",
    badge_name="banner.svg",
)

---

📊 Coverage Badge

Generate a correctly-colored badge directly from a coverage.xml report — no manual color selection needed.

CLI

badgeshield coverage coverage.xml \
  --badge-name coverage.svg \
  --output-path ./badges

The color is chosen automatically based on these thresholds:

Coverage	Color
≥ 90%	green
≥ 80%	yellow-green
≥ 70%	yellow
≥ 60%	orange
< 60%	red

Use --metric branch to badge on branch coverage instead of line coverage.

Python API

from badgeshield import parse_coverage_xml, coverage_color
from badgeshield import BadgeGenerator, BadgeTemplate

pct = parse_coverage_xml("coverage.xml")          # e.g. 94.3
color = coverage_color(pct)                        # "#44cc11"

gen = BadgeGenerator(template=BadgeTemplate.DEFAULT)
gen.generate_badge(
    left_text="coverage",
    left_color="#555555",
    right_text=f"{pct:.0f}%",
    right_color=color,
    badge_name="coverage.svg",
    output_path="./badges",
)

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🖥️ CLI Usage

Coverage badge

badgeshield coverage coverage.xml --badge-name coverage.svg --output-path ./badges

Use --metric branch for branch coverage, --left-text to change the label.

Single badge

badgeshield single \
  --left-text "coverage" \
  --left-color "#555555" \
  --right-text "94%" \
  --right-color "#44cc11" \
  --style gradient \
  --badge-name coverage.svg \
  --output-path ./badges

--style accepts flat (default), rounded, gradient, or shadowed (case-insensitive).

With a logo and links:

badgeshield single \
  --left-text "build" \
  --left-color "DARK_GREEN" \
  --right-text "passing" \
  --right-color "#44cc11" \
  --logo path/to/logo.png \
  --logo-tint "#ffffff" \
  --left-link "https://example.com/pipeline" \
  --badge-name build.svg

Framed circle:

badgeshield single \
  --left-text "MH" \
  --left-color "#673ab7" \
  --template CIRCLE_FRAME \
  --frame FRAME1 \
  --badge-name initials.svg

SVG audit

Verify that a generated SVG contains no external resource references:

badgeshield audit badges/build.svg          # exits 0 if clean, 1 if violations found
badgeshield audit badges/build.svg --json   # machine-readable JSON output

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⚡ Batch Generation

CLI

badgeshield batch badges.json --output-path ./badges --max-workers 8

JSON config (badges.json)

[
  {
    "badge_name": "build.svg",
    "left_text": "build",
    "left_color": "GREEN"
  },
  {
    "badge_name": "coverage.svg",
    "left_text": "coverage",
    "left_color": "#555555",
    "right_text": "94%",
    "right_color": "#44cc11",
    "style": "gradient"
  },
  {
    "badge_name": "version.svg",
    "left_text": "v2.1.0",
    "left_color": "#673ab7"
  }
]

A per-entry "style" key overrides the CLI --style flag for that badge.

After the run, a Rich summary table shows which badges succeeded or failed.

Python API

from badgeshield import BadgeBatchGenerator, BadgeStyle, BadgeTemplate

batch = BadgeBatchGenerator(max_workers=4)
badges = [
    {"badge_name": "build.svg",    "left_text": "build",    "left_color": "GREEN", "output_path": "./out", "template": BadgeTemplate.DEFAULT, "style": BadgeStyle.FLAT},
    {"badge_name": "coverage.svg", "left_text": "coverage", "left_color": "#555",  "right_text": "94%", "right_color": "#44cc11", "output_path": "./out", "template": BadgeTemplate.DEFAULT, "style": BadgeStyle.GRADIENT},
]

try:
    batch.generate_batch(badges, progress_callback=lambda name: print(f"✓ {name}"))
except RuntimeError:
    for badge_name, error in batch._failures:
        print(f"✗ {badge_name}: {error}")

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CI Pipeline

Every push to main and every pull request runs automatically via shared-workflows:

Job	What it checks
Test	pytest on Python 3.9–3.12 x Ubuntu + Windows
Lint	ruff check + ruff format --check
Type Check	mypy src/
Audit	pip-audit — all dependencies scanned for known CVEs
Coverage	pytest-cov — report posted to the Actions job summary

👪 Contributing

All contributions are welcome. Fork the repo, make your changes, and open a pull request. You can also open an issue with the label enhancement.

Don't forget to ⭐ star the project!

🔶 View all contributors

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📃 Full Docs  ·  🔧 Report a Bug

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