Implement business_start/end cases for shift_months by jbrockmendel · Pull Request #18489 · pandas-dev/pandas (original) (raw)

Unifies apply_index implementations for MonthEnd/MonthBegin, plus extends them to BMonthEnd and BMonthBegin.

Unifies onOffset implementations for QuarterEnd/BQuarterEnd, plus extends them to QuarterBegin/BQuarterBegin.

Implements a cdef version of monthrange.