leap day properties and contributing section

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PyryL 2022-12-18 14:44:23 +02:00
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[![CI](https://github.com/PyryL/fixedcal/actions/workflows/main.yml/badge.svg)](https://github.com/PyryL/fixedcal/actions)
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[![GitHub](https://img.shields.io/github/license/PyryL/fixedcal)](LICENSE)
Python package for international fixed calendar dates.
@ -13,6 +14,16 @@ Each month starts with Sunday and has exactly 28 days or 4 weeks.
An additional _year day_ is added to the end of the year and it does not belong to any of the months and has no weekday.
You can read more about IFC on [Wikipedia](https://en.wikipedia.org/wiki/International_Fixed_Calendar).
## Installation
This package is available via PyPI:
```
pip install fixedcal
```
You can also download the package directly from [releases](https://github.com/PyryL/fixedcal/releases).
## Usage
### Date initialization
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* `weekday` = None
* `week_of_year` = 52
* `year_quarter` = 4
### Leap day
Leap day occurres on the same years as in Gregorian calendar. However, the placement of that day is different: after the last day of June and before the first day of Sol (17th June in Gregorian). The following properties are given by `FixedDate` for leap day:
* `day_of_year` = 169
* `day_of_month` = 29
* `month` = 6
* `is_leap_day` = True
* `is_leap_year` = True
* `week_of_month` = 4
* `weekday` = None
* `week_of_year` = 24
* `year_quarter` = 2
## Contributing
Yes, you can contribute in the development of this package. If you find a bug or have a feature request, please file an [issue](https://github.com/PyryL/fixedcal/issues/new). You can also modify the code yourself and create a pull request.
You need [Poetry](https://python-poetry.org/) to manage the development environment. After downloading the source code of this package, run `poetry install` to install development dependencies and to set up a compatible Python environment.
Please check the following topics before creating a pull request:
* Your changes should not create new Pylint errors.
* There should be proper unit tests included in the pull request. This consists of high branch coverage (>90%) and quality of the tests. Working with dates has a lot of corner cases and tests are the best way to avoid bugs.
* The structure of the project should remain healthy: split the code between modules and packages.