repr improvements - Githubissues

BSchilperoort commented 1 year ago

This PR tries to tackle the comments @Peter9192 had on the reprs and serializability of the calendars.

List of changes:

Refactored the Period classes to a single Interval class
Renamed CustomCalendar -> Calendar
Made the string representations of Interval, CustomCalendar and all the other calendars eval-able
Above item required reworking of part of the calendars:
- Added extra kwargs (incl. "intervals" to immediately append intervals to the (custom) Calendar.
- Added mapping setter
- Implemented setters and getters for some variables
- Updated doc strings
- Updated notebooks

New repr example:

>>> calendar
Calendar(
    anchor='12-31',
    allow_overlap=False,
    mapping=('years', 2000, 2020),
    intervals=[
        Interval(role='target', length='20d', gap='0d'),
        Interval(role='target', length='20d', gap='10d'),
        Interval(role='precursor', length='10d', gap='-5d'),
        Interval(role='precursor', length='2W', gap='0d'),
        Interval(role='precursor', length='1M', gap='0d')
    ]
)