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Constants

planck.constants.Constants ¤

Bases: dict

Constants library storing planck.models.DimensionalPhysicalConstant and planck.models.NonDimensionalPhysicalConstant models.

Functions¤

find ¤

find(sub=None)

Return list of constant keys containing a given string

Parameters:

Name Type Description Default
sub str

Sub-string to search keys for. By default, return all keys.

 None

Returns:

Name Type Description
keys list

List of keys
Source code in planck/constants.py 
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def find(self, sub: str = None) -> list:
    """
    Return list of constant keys containing a given string

    Parameters
    ----------
    sub:
       Sub-string to search keys for. By default, return all keys.

    Returns
    ------
    keys:
       List of keys
    """
    if sub is None:
        sub = ""

    # Get Keys
    keys = []
    for k, v in self.items():
        if sub in k:
            keys += [k]
    keys.sort()

    # Return keys
    return keys