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https://github.com/tonybaloney/wily

A Python application for tracking, reporting on timing and complexity in Python code
https://github.com/tonybaloney/wily

complexity hacktoberfest hacktoberfest-accepted python quality

Last synced: 1 day ago
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A Python application for tracking, reporting on timing and complexity in Python code

Host: GitHub
URL: https://github.com/tonybaloney/wily
Owner: tonybaloney
License: apache-2.0
Created: 2018-10-11T22:12:25.000Z (over 6 years ago)
Default Branch: master
Last Pushed: 2024-07-10T07:19:19.000Z (7 months ago)
Last Synced: 2025-02-12T01:44:55.820Z (8 days ago)
Topics: complexity, hacktoberfest, hacktoberfest-accepted, python, quality
Language: Python
Homepage:
Size: 5.58 MB
Stars: 1,222
Watchers: 24
Forks: 60
Open Issues: 45
Metadata Files:
- Readme: README.md
- Changelog: HISTORY.md
- Contributing: CONTRIBUTING.md
- Funding: .github/FUNDING.yml
- License: LICENSE
- Code of conduct: .github/CODE_OF_CONDUCT.md

Awesome Lists containing this project

awesome-list - Wily - A Python application for tracking, reporting on timing and complexity in Python code. (Debugging & Profiling & Tracing / For Python)
best-of-python-dev - GitHub - 32% open · ⏱️ 11.10.2023): (Code Metrics & Complexity)
stars - tonybaloney/wily - A Python application for tracking, reporting on timing and complexity in Python code (Python)
stars - tonybaloney/wily - A Python application for tracking, reporting on timing and complexity in Python code (Python)

README

![wily](https://github.com/tonybaloney/wily/raw/master/docs/source/_static/logo.png)

A command-line application for tracking, reporting on complexity of Python tests and applications.

[![Wily](https://img.shields.io/badge/%F0%9F%A6%8A%20wily-passing-brightgreen.svg)](https://wily.readthedocs.io/)
[![codecov](https://codecov.io/gh/tonybaloney/wily/branch/master/graph/badge.svg)](https://codecov.io/gh/tonybaloney/wily) [![Documentation Status](https://readthedocs.org/projects/wily/badge/?version=latest)](https://wily.readthedocs.io/en/latest/?badge=latest) [![PyPI version](https://badge.fury.io/py/wily.svg)](https://badge.fury.io/py/wily) [![Conda Version](https://img.shields.io/conda/vn/conda-forge/wily.svg)](https://anaconda.org/conda-forge/wily) ![black](https://img.shields.io/badge/code%20style-black-000000.svg) ![PyPI - Downloads](https://img.shields.io/pypi/dm/wily)

```default
wily [a]:
quick to think of things, having a very good understanding of situations and possibilities,
and often willing to use tricks to achieve an aim.
```

Wily uses git to go through each revision (commit) in a branch and run complexity and code-analysis metrics over the code. You can use this to limit your code or report on trends for complexity, length etc.

## Installation

Wily can be installed via pip from Python 3.6 and above:

```console
$ pip install wily
```

Alternatively, Wily packages are available on conda-forge:

```console
$ conda install -c conda-forge wily
```

## Usage

See the [Documentation Site](https://wily.readthedocs.io/) for full usage guides.

Wily can be used via a command line interface, `wily`.

```console
$ wily --help
```

![help-screen](https://github.com/tonybaloney/wily/raw/master/docs/source/_static/wily_help.png)

## Demo

Here is a demo of wily analysing a Python project, giving a summary of changes to complexity in the last 10 commits and then showing changes against a specific git revision:

![demo](./docs/source/_static/termtosvg_leo0ur6s.svg)

## Using Wily in a CI/CD pipeline

Wily can be used in a CI/CD workflow to compare the complexity of the current files against a particular revision.

By default, wily will compare against the previous revision (for a git-pre-commit hook) but you can also give a Git ref, for example `HEAD^1` is the commit before the HEAD reference.

```console
$ wily build src/
$ wily diff src/ -r HEAD^1
```

Or, to compare against

```console
$ wily build src/
$ wily diff src/ -r master
```

## pre-commit plugin

You can install wily as a [pre-commit](http://www.pre-commit.com/) plugin by adding the following to ``.pre-commit-config.yaml``

```yaml
repos:
- repo: local
hooks:
- id: wily
name: wily
entry: wily diff
verbose: true
language: python
additional_dependencies: [wily]
```

### Command line usage

#### `wily build`

The first step to using `wily` is to build a wily cache with the statistics of your project.

```default
Usage: __main__.py build [OPTIONS] [TARGETS]...

Build the wily cache

Options:
-n, --max-revisions INTEGER The maximum number of historical commits to
archive
-o, --operators TEXT List of operators, separated by commas
--help Show this message and exit.
```

By default, wily will assume your project folder is a `git` directory. Wily will not build a cache if the working copy is dirty (has changed files not committed).

```console
$ wily build src/
```

Limit the number of revisions (defaults to 50).

![wily-build](https://github.com/tonybaloney/wily/raw/master/docs/source/_static/wily_build.png)

#### `wily report`

Show a specific metric for a given file, requires that `.wily/` exists

`wily report` will print the metric and the delta between each revision.

![wily-report](https://github.com/tonybaloney/wily/raw/master/docs/source/_static/wily_report.png)

#### `wily rank`

Show the ranking for all files in a directory or a single file based on the metric provided, requires that `.wily/` exists

`wily rank` will print a table of files and their metric values.

![wily-rank](https://github.com/tonybaloney/wily/raw/master/docs/source/_static/wily_rank.png)

#### `wily graph`

Similar to `wily report` but instead of printing in the console, `wily` will print a graph in a browser.

![wily-graph](https://github.com/tonybaloney/wily/raw/master/docs/source/_static/single_metric_graph.png)

#### `wily index`

Show information about the build directory. Requires that `.wily/` exists.

`wily index` will print the configuration to the screen and list all revisions that have been analysed and the operators used.

![wily-graph](https://github.com/tonybaloney/wily/raw/master/docs/source/_static/wily_index.png)

### `wily list-metrics`

List the metrics available in the Wily operators. Each one of the metrics can be used in `wily graph` and `wily report`

```console
$ wily list-metrics
mccabe operator:
No metrics available
raw operator:
╒═════════════════╤══════════════════════╤═══════════════╤══════════════════════════╕
│ │ Name │ Description │ Type │
╞═════════════════╪══════════════════════╪═══════════════╪══════════════════════════╡
│ loc │ Lines of Code │ │ MetricType.Informational │
├─────────────────┼──────────────────────┼───────────────┼──────────────────────────┤
│ lloc │ L Lines of Code │ │ MetricType.Informational │
├─────────────────┼──────────────────────┼───────────────┼──────────────────────────┤
│ sloc │ S Lines of Code │ │ MetricType.Informational │
├─────────────────┼──────────────────────┼───────────────┼──────────────────────────┤
│ comments │ Multi-line comments │ │ MetricType.Informational │
├─────────────────┼──────────────────────┼───────────────┼──────────────────────────┤
│ multi │ Multi lines │ │ MetricType.Informational │
├─────────────────┼──────────────────────┼───────────────┼──────────────────────────┤
│ blank │ blank lines │ │ MetricType.Informational │
├─────────────────┼──────────────────────┼───────────────┼──────────────────────────┤
│ single_comments │ Single comment lines │ │ MetricType.Informational │
╘═════════════════╧══════════════════════╧═══════════════╧══════════════════════════╛
cyclomatic operator:
No metrics available
maintainability operator:
╒══════╤═════════════════════════╤═════════════════╤══════════════════════════╕
│ │ Name │ Description │ Type │
╞══════╪═════════════════════════╪═════════════════╪══════════════════════════╡
│ rank │ Maintainability Ranking │ │ MetricType.Informational │
├──────┼─────────────────────────┼─────────────────┼──────────────────────────┤
│ mi │ Maintainability Index │ │ MetricType.AimLow │
╘══════╧═════════════════════════╧═════════════════╧══════════════════════════╛
```

## Configuration

You can put a `wily.cfg` file in your project directory and `wily` will override the runtime settings. Here are the available options:

```ini
[wily]
# list of operators, choose from cyclomatic, maintainability, mccabe and raw
operators = cyclomatic,raw
# archiver to use, defaults to git
archiver = git
# path to analyse, defaults to .
path = /path/to/target
# max revisions to archive, defaults to 50
max_revisions = 20
```

You can also override the path to the configuration with the `--config` flag on the command-line.

## IPython/Jupyter Notebooks

Wily will detect and scan all Python code in .ipynb files automatically.

You can disable this behaviour if you require by setting `ipynb_support = false` in the configuration.
You can also disable the behaviour of reporting on individual cells by setting `ipynb_cells = false`.

# Credits

## Contributors

- @wcooley (Wil Cooley)
- @DahlitzFlorian (Florian Dahlitz)
- @alegonz
- @DanielChabrowski
- @jwattier
- @skarzi

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