Check if arg was passed with keyword

[jbrock...@gmail.com]

pd.Timestamp.__new__ takes a bunch of arguments and I'd like to make some of them keyword-only.  Doing that will require a deprecation cycle.  To implement that I need to be able to check at runtime whether the user did e.g. pd.Timestamp(x, y, z) vs pd.Timestamp(x, y, tz=z).  Is there a way to do this in cython?

In non-cython code we use a decorator https://github.com/pandas-dev/pandas/blob/master/pandas/util/_decorators.py#L260 for this.

[da-woods]

Since that pd.Timestamp looks to be a non-cdef class, I'd think the decorator should work (and would at least be worth a bug report if it doesn't).

I don't think there's any specific Cython mechanism to this though - anything you do would be using the normal Python mechanisms.

On 11/01/2022 03:27, jbrock...@gmail.com wrote:

pd.Timestamp.__new__ takes a bunch of arguments and I'd like to make some of them keyword-only.  Doing that will require a deprecation cycle.  To implement that I need to be able to check at runtime whether the user did e.g. pd.Timestamp(x, y, z) vs pd.Timestamp(x, y, tz=z).  Is there a way to do this in cython?

In non-cython code we use a decorator https://github.com/pandas-dev/pandas/blob/master/pandas/util/_decorators.py#L260 for this.

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