# CodeState
[](https://github.com/HenryLok0/CodeState)
[](LICENSE)
[](https://github.com/HenryLok0/CodeState/stargazers)
Instant codebase insights in your terminal — fast, local, zero telemetry.
CodeState analyzes your repository and generates detailed statistics like lines of code by extension, complexity, comment density, hotspots, contributors, and more. It renders ASCII charts in the terminal and can export JSON/HTML/Markdown for reports.
## Features
- Fast codebase overview with caching and .gitignore awareness
- ASCII visuals in-terminal: pie, bar, and complexity heatmap
- Detailed stats: files, LOC, comments, functions, complexity
- Quality checks: duplicates, naming conventions, dead code hints
- History insights: git hotspots/churn and contributors
- Flexible exports: HTML, Markdown, JSON, CSV, Excel
- Works well in CI: produce compact Markdown summaries and artifacts
## Installation
```bash
pip install codestate
```
## Quick Start
```bash
# Option A: install via pipx (recommended for CLI tools)
pipx install codestate
# Option B: install via pip
pip install codestate
# Get a summary of the current repo
codestate --summary
# Export an HTML report
codestate --html --output report.html
```
## Usage
```bash
# Basic usage
codestate [directory] [options]
```
### Cache Options (Highly recommended for large projects)
```bash
# Tip: For large projects, use --cache on the first run to build the cache for much faster repeated analysis
codestate --cache
# After the cache is built, subsequent queries (like --details, --html, --contributors, etc.) will automatically use the cache
# If there is no cache data, every command will scan the entire project again, which can be very slow for large projects.
codestate --details
# To rebuild the cache (e.g., after major refactoring or if the cache is outdated), delete the cache folder
codestate --cache-delete
```
## Options
| Option | Description |
|------------------------|-------------|
| **[Basic Analysis & Filtering]** | |
| `directory` | Target directory to analyze (default: current directory) |
| `--exclude` | Directories to exclude (e.g. --exclude .git venv node_modules) |
| `--ext` | File extensions to include (e.g. --ext .py .js) |
| `--only-lang` | Only analyze specific file extensions, comma separated (e.g. py,js) |
| `--top N` | Show only the top N files by lines or complexity |
| `--failures-only` | Show only files with issues (naming, size, complexity, etc.) |
| `--regex` | User-defined regex rules for custom code checks (space separated, enclose in quotes) |
| `--file-age` | Show file creation and last modified time |
| `--uncommitted` | Show stats for files with uncommitted changes (git diff) |
| `--size` | Show each file's size in bytes as a table |
| `--list-extensions` | List all file extensions found in the project with count and percentage |
| `--min-lines <N>` | Only show files with total lines >= N |
| `--find <keyword/regex>` | Find all lines matching a keyword or regex in the codebase |
| `--cache` | Build and use cache for much faster repeated analysis (highly recommended for large codebases) |
| `--cache-delete` | Delete all cache data in `.codestate` (force rebuild cache on next run) |
| **[Statistics & Detailed Analysis]** | |
| `--details` | Show detailed statistics for each file |
| `--dup` | Show duplicate code blocks (5+ lines) |
| `--maxmin` | Show file with most/least lines |
| `--langdist` | Show language (file extension) distribution as ASCII pie chart |
| `--complexitymap` | Show ASCII heatmap of file complexity |
| `--complexity-graph` | Show an ASCII bar chart of file complexity |
| `--warnsize` | Warn for large files/functions (optionally specify file and function line thresholds, default 300/50) |
| `--naming` | Check function/class naming conventions (PEP8, PascalCase) |
| `--apidoc` | Show API/function/class docstring summaries |
| `--deadcode` | Show unused (dead) functions/classes in Python files |
| `--typestats` | Show function parameter/type annotation statistics (Python) |
| `--trend` | Show line count trend for a specific file |
| `--refactor-suggest` | Show files/functions that are refactor candidates, with reasons |
| `--autofix-suggest` | Suggest auto-fix patches for naming, comments, and duplicate code |
| `--refactor-map` | Show a table of files/functions that are refactor candidates |
| `--complexity-threshold <value>` | Set custom complexity threshold for warnings (**requires a value**, e.g. --complexity-threshold 5) |
| `--open <file>` | Show detailed analysis for a single file |
| `--blame <file>` | Show git blame statistics for a file |
| `--compare <dir1> <dir2>` | Compare statistics between two directories |
| **[Output / Reports]** | |
| `--html` | Export result as HTML table |
| `--md` | Export result as Markdown table |
| `--json` | Export result as JSON |
| `--csv` | Export summary statistics as CSV |
| `--excel` | Export summary statistics as Excel (.xlsx) |
| `--details-csv` | Export per-file details as CSV |
| `--groupdir-csv` | Export grouped-by-directory stats as CSV |
| `--groupext-csv` | Export grouped-by-extension stats as CSV |
| `--test-coverage <coverage.xml>` | Show test coverage analysis from a coverage.xml file |
| `--output`, `-o` | Output file for HTML/Markdown/JSON/CSV/Excel export |
| `--report-issues` | Export all detected issues (naming, size, complexity, etc.) as a markdown or JSON report |
| **[Project Structure & Health]** | |
| `--tree` | Show ASCII tree view of project structure |
| `--structure-mermaid` | Generate a Mermaid diagram of the project directory structure |
| `--health` | Show project health score and suggestions |
| `--summary` | Generate a markdown project summary (print or --output) |
| `--badge-sustainability`| Output SVG sustainability/health badge |
| `--lang-card-svg` | Output SVG language stats card (like GitHub top-langs) |
| **[Contributors / CI]** | |
| `--authors` | Show git main author and last modifier for each file |
| `--contributors` | Show contributor statistics (file count, line count, commit count per author) |
| `--contributors-detail`| Show detailed contributor statistics |
| `--hotspot` | Show most frequently changed files (git hotspots) |
| `--churn` | Show most changed files in the last N days (default 30) |
| `--ci` | CI/CD mode: exit non-zero if major issues found |
| **[Automation / README / Badges]** | |
| `--badges` | Auto-detect and print project language/framework/license/CI badges for README |
| `--readme` | Auto-generate a README template based on analysis |
| **[Other]** | |
| `--style-check` | Check code style: indentation, line length, trailing whitespace, EOF newline |
| `--openapi` | Generate OpenAPI 3.0 JSON for Flask/FastAPI routes |
| `--multi <dir1> [dir2 ...]` | Analyze multiple root directories (monorepo support, **requires at least one directory**) |
| `--version` | Show codestate version and exit |
## Examples
```bash
# Analyze the current directory (default)
codestate
# Analyze a specific directory and exclude build and dist folders
codestate myproject --exclude build dist
# Only analyze Python and JavaScript files
codestate --only-lang py,js
# Show only the top 5 largest files
codestate --top 5
# Show detailed statistics for each file
codestate --details
# Export results as HTML
codestate --html --output report.html
# Export results as CSV
codestate --csv --output report.csv
# Export results as Excel
codestate --excel --output report.xlsx
# Show only files with issues (naming, size, complexity, etc.)
codestate --failures-only
# Show file creation and last modified time
codestate --file-age
# Generate a markdown project summary
codestate --summary --output PROJECT_SUMMARY.md
# Set custom complexity threshold (requires a value)
codestate --complexity-threshold 5 --failures-only
# Analyze multiple directories (requires at least one directory)
codestate --multi src tests
# List all file extensions with count and percentage
codestate --list-extensions
```
## Comparison
| Feature | CodeState | cloc | scc | tokei |
| --- | --- | --- | --- | --- |
| Stats (files/lines/comments) | Yes | Yes | Yes | Yes |
| ASCII charts / heatmap in terminal | Yes | No | No | No |
| Report exports (HTML / Markdown / CSV) | Yes | Limited | Limited | Limited |
| .gitignore awareness & caching | Yes | Manual excludes | Manual excludes | Manual excludes |
| Hotspots / duplicates / naming checks | Yes | No | No | No |
Notes:
- “Manual excludes” means the tool supports flags to ignore paths but doesn’t automatically read .gitignore or provide built-in caching like CodeState.
- See Performance benchmarks below for speed guidance and how to reproduce measurements.
## Why CodeState?
- Instant understanding: go beyond LOC to highlight duplicates, complexity hotspots, refactor candidates, naming issues, and dead code — right in your terminal.
- Visual by default: ASCII pie/heatmap/bar charts make trends obvious during reviews, without leaving the CLI.
- History-aware decisions: git hotspots/churn help you prioritize the files that matter most.
- Team visibility: contributors and blame insights per file unlock ownership and onboarding context.
- CI-ready artifacts: export HTML/Markdown/JSON/CSV/Excel for reports, dashboards, and pipelines.
- Faster repeat runs: built-in caching and .gitignore support keep large repositories snappy over time.
Tip: Combine CodeState with a GitHub Action to post a compact Markdown summary on every PR.
## Star History
[](https://star-history.com/#HenryLok0/CodeState&Date)
## Contributing
Contributions are welcome! Please see [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines.
---
## License
This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for details.
---
## Support
If you have questions or need help, please open an issue on GitHub.
Thank you to all contributors and the open-source community for your support.
---
## Troubleshooting
- Command not found: try `python -m codestate.cli` instead of `codestate`.
- Windows path/encoding quirks: run from a local folder (avoid syncing folders) and ensure UTF-8 console.
- Very large repos: run once with `--cache`, then subsequent commands will be much faster.
Raw data
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"description": "# CodeState\r\n\r\n[](https://github.com/HenryLok0/CodeState)\r\n\r\n\r\n[](LICENSE)\r\n[](https://github.com/HenryLok0/CodeState/stargazers)\r\n\r\nInstant codebase insights in your terminal \u2014 fast, local, zero telemetry.\r\n\r\nCodeState analyzes your repository and generates detailed statistics like lines of code by extension, complexity, comment density, hotspots, contributors, and more. It renders ASCII charts in the terminal and can export JSON/HTML/Markdown for reports.\r\n\r\n## Features\r\n\r\n- Fast codebase overview with caching and .gitignore awareness\r\n- ASCII visuals in-terminal: pie, bar, and complexity heatmap\r\n- Detailed stats: files, LOC, comments, functions, complexity\r\n- Quality checks: duplicates, naming conventions, dead code hints\r\n- History insights: git hotspots/churn and contributors\r\n- Flexible exports: HTML, Markdown, JSON, CSV, Excel\r\n- Works well in CI: produce compact Markdown summaries and artifacts\r\n\r\n## Installation\r\n\r\n```bash\r\npip install codestate\r\n```\r\n\r\n## Quick Start\r\n\r\n```bash\r\n# Option A: install via pipx (recommended for CLI tools)\r\npipx install codestate\r\n\r\n# Option B: install via pip\r\npip install codestate\r\n\r\n# Get a summary of the current repo\r\ncodestate --summary\r\n\r\n# Export an HTML report\r\ncodestate --html --output report.html\r\n```\r\n\r\n## Usage\r\n\r\n```bash\r\n# Basic usage\r\ncodestate [directory] [options]\r\n```\r\n\r\n### Cache Options (Highly recommended for large projects)\r\n```bash\r\n# Tip: For large projects, use --cache on the first run to build the cache for much faster repeated analysis\r\ncodestate --cache\r\n# After the cache is built, subsequent queries (like --details, --html, --contributors, etc.) will automatically use the cache\r\n# If there is no cache data, every command will scan the entire project again, which can be very slow for large projects.\r\ncodestate --details\r\n# To rebuild the cache (e.g., after major refactoring or if the cache is outdated), delete the cache folder\r\ncodestate --cache-delete\r\n```\r\n\r\n## Options\r\n\r\n| Option | Description |\r\n|------------------------|-------------|\r\n| **[Basic Analysis & Filtering]** | |\r\n| `directory` | Target directory to analyze (default: current directory) |\r\n| `--exclude` | Directories to exclude (e.g. --exclude .git venv node_modules) |\r\n| `--ext` | File extensions to include (e.g. --ext .py .js) |\r\n| `--only-lang` | Only analyze specific file extensions, comma separated (e.g. py,js) |\r\n| `--top N` | Show only the top N files by lines or complexity |\r\n| `--failures-only` | Show only files with issues (naming, size, complexity, etc.) |\r\n| `--regex` | User-defined regex rules for custom code checks (space separated, enclose in quotes) |\r\n| `--file-age` | Show file creation and last modified time |\r\n| `--uncommitted` | Show stats for files with uncommitted changes (git diff) |\r\n| `--size` | Show each file's size in bytes as a table |\r\n| `--list-extensions` | List all file extensions found in the project with count and percentage |\r\n| `--min-lines <N>` | Only show files with total lines >= N |\r\n| `--find <keyword/regex>` | Find all lines matching a keyword or regex in the codebase |\r\n| `--cache` | Build and use cache for much faster repeated analysis (highly recommended for large codebases) |\r\n| `--cache-delete` | Delete all cache data in `.codestate` (force rebuild cache on next run) |\r\n| **[Statistics & Detailed Analysis]** | |\r\n| `--details` | Show detailed statistics for each file |\r\n| `--dup` | Show duplicate code blocks (5+ lines) |\r\n| `--maxmin` | Show file with most/least lines |\r\n| `--langdist` | Show language (file extension) distribution as ASCII pie chart |\r\n| `--complexitymap` | Show ASCII heatmap of file complexity |\r\n| `--complexity-graph` | Show an ASCII bar chart of file complexity |\r\n| `--warnsize` | Warn for large files/functions (optionally specify file and function line thresholds, default 300/50) |\r\n| `--naming` | Check function/class naming conventions (PEP8, PascalCase) |\r\n| `--apidoc` | Show API/function/class docstring summaries |\r\n| `--deadcode` | Show unused (dead) functions/classes in Python files |\r\n| `--typestats` | Show function parameter/type annotation statistics (Python) |\r\n| `--trend` | Show line count trend for a specific file |\r\n| `--refactor-suggest` | Show files/functions that are refactor candidates, with reasons |\r\n| `--autofix-suggest` | Suggest auto-fix patches for naming, comments, and duplicate code |\r\n| `--refactor-map` | Show a table of files/functions that are refactor candidates |\r\n| `--complexity-threshold <value>` | Set custom complexity threshold for warnings (**requires a value**, e.g. --complexity-threshold 5) |\r\n| `--open <file>` | Show detailed analysis for a single file |\r\n| `--blame <file>` | Show git blame statistics for a file |\r\n| `--compare <dir1> <dir2>` | Compare statistics between two directories |\r\n| **[Output / Reports]** | |\r\n| `--html` | Export result as HTML table |\r\n| `--md` | Export result as Markdown table |\r\n| `--json` | Export result as JSON |\r\n| `--csv` | Export summary statistics as CSV |\r\n| `--excel` | Export summary statistics as Excel (.xlsx) |\r\n| `--details-csv` | Export per-file details as CSV |\r\n| `--groupdir-csv` | Export grouped-by-directory stats as CSV |\r\n| `--groupext-csv` | Export grouped-by-extension stats as CSV |\r\n| `--test-coverage <coverage.xml>` | Show test coverage analysis from a coverage.xml file |\r\n| `--output`, `-o` | Output file for HTML/Markdown/JSON/CSV/Excel export |\r\n| `--report-issues` | Export all detected issues (naming, size, complexity, etc.) as a markdown or JSON report |\r\n| **[Project Structure & Health]** | |\r\n| `--tree` | Show ASCII tree view of project structure |\r\n| `--structure-mermaid` | Generate a Mermaid diagram of the project directory structure |\r\n| `--health` | Show project health score and suggestions |\r\n| `--summary` | Generate a markdown project summary (print or --output) |\r\n| `--badge-sustainability`| Output SVG sustainability/health badge |\r\n| `--lang-card-svg` | Output SVG language stats card (like GitHub top-langs) |\r\n| **[Contributors / CI]** | |\r\n| `--authors` | Show git main author and last modifier for each file |\r\n| `--contributors` | Show contributor statistics (file count, line count, commit count per author) |\r\n| `--contributors-detail`| Show detailed contributor statistics |\r\n| `--hotspot` | Show most frequently changed files (git hotspots) |\r\n| `--churn` | Show most changed files in the last N days (default 30) |\r\n| `--ci` | CI/CD mode: exit non-zero if major issues found |\r\n| **[Automation / README / Badges]** | |\r\n| `--badges` | Auto-detect and print project language/framework/license/CI badges for README |\r\n| `--readme` | Auto-generate a README template based on analysis |\r\n| **[Other]** | |\r\n| `--style-check` | Check code style: indentation, line length, trailing whitespace, EOF newline |\r\n| `--openapi` | Generate OpenAPI 3.0 JSON for Flask/FastAPI routes |\r\n| `--multi <dir1> [dir2 ...]` | Analyze multiple root directories (monorepo support, **requires at least one directory**) |\r\n| `--version` | Show codestate version and exit |\r\n\r\n\r\n\r\n\r\n\r\n## Examples\r\n\r\n```bash\r\n# Analyze the current directory (default)\r\ncodestate\r\n\r\n# Analyze a specific directory and exclude build and dist folders\r\ncodestate myproject --exclude build dist\r\n\r\n# Only analyze Python and JavaScript files\r\ncodestate --only-lang py,js\r\n\r\n# Show only the top 5 largest files\r\ncodestate --top 5\r\n\r\n# Show detailed statistics for each file\r\ncodestate --details\r\n\r\n# Export results as HTML\r\ncodestate --html --output report.html\r\n\r\n# Export results as CSV\r\ncodestate --csv --output report.csv\r\n\r\n# Export results as Excel\r\ncodestate --excel --output report.xlsx\r\n\r\n# Show only files with issues (naming, size, complexity, etc.)\r\ncodestate --failures-only\r\n\r\n# Show file creation and last modified time\r\ncodestate --file-age\r\n\r\n# Generate a markdown project summary\r\ncodestate --summary --output PROJECT_SUMMARY.md\r\n\r\n# Set custom complexity threshold (requires a value)\r\ncodestate --complexity-threshold 5 --failures-only\r\n\r\n# Analyze multiple directories (requires at least one directory)\r\ncodestate --multi src tests\r\n\r\n# List all file extensions with count and percentage\r\ncodestate --list-extensions\r\n```\r\n\r\n## Comparison\r\n\r\n| Feature | CodeState | cloc | scc | tokei |\r\n| --- | --- | --- | --- | --- |\r\n| Stats (files/lines/comments) | Yes | Yes | Yes | Yes |\r\n| ASCII charts / heatmap in terminal | Yes | No | No | No |\r\n| Report exports (HTML / Markdown / CSV) | Yes | Limited | Limited | Limited |\r\n| .gitignore awareness & caching | Yes | Manual excludes | Manual excludes | Manual excludes |\r\n| Hotspots / duplicates / naming checks | Yes | No | No | No |\r\n\r\nNotes:\r\n- \u201cManual excludes\u201d means the tool supports flags to ignore paths but doesn\u2019t automatically read .gitignore or provide built-in caching like CodeState.\r\n- See Performance benchmarks below for speed guidance and how to reproduce measurements.\r\n\r\n## Why CodeState?\r\n\r\n- Instant understanding: go beyond LOC to highlight duplicates, complexity hotspots, refactor candidates, naming issues, and dead code \u2014 right in your terminal.\r\n- Visual by default: ASCII pie/heatmap/bar charts make trends obvious during reviews, without leaving the CLI.\r\n- History-aware decisions: git hotspots/churn help you prioritize the files that matter most.\r\n- Team visibility: contributors and blame insights per file unlock ownership and onboarding context.\r\n- CI-ready artifacts: export HTML/Markdown/JSON/CSV/Excel for reports, dashboards, and pipelines.\r\n- Faster repeat runs: built-in caching and .gitignore support keep large repositories snappy over time.\r\n\r\nTip: Combine CodeState with a GitHub Action to post a compact Markdown summary on every PR.\r\n\r\n## Star History\r\n\r\n[](https://star-history.com/#HenryLok0/CodeState&Date)\r\n\r\n## Contributing\r\n\r\nContributions are welcome! Please see [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines.\r\n\r\n---\r\n\r\n## License\r\n\r\nThis project is licensed under the MIT License. See the [LICENSE](LICENSE) file for details.\r\n\r\n---\r\n\r\n## Support\r\n\r\nIf you have questions or need help, please open an issue on GitHub.\r\n\r\nThank you to all contributors and the open-source community for your support.\r\n\r\n---\r\n\r\n## Troubleshooting\r\n\r\n- Command not found: try `python -m codestate.cli` instead of `codestate`.\r\n- Windows path/encoding quirks: run from a local folder (avoid syncing folders) and ensure UTF-8 console.\r\n- Very large repos: run once with `--cache`, then subsequent commands will be much faster.\r\n",
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