util3.py

#  Copyright (c) 2019, Colorado School of Mines
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#  Author(s): Neil T. Dantam <ndantam@mines.edu>
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"""Utilities, python 3"""
 
 
def is_int(thing):
    """Returns True when thing is an integer type."""
    return isinstance(thing, int)
 
 
def is_string(thing):
    """Returns True when thing is a string type."""
    return isinstance(thing, str)
 
 
def ensure_cstring(pystring):
    """Return a string we can pass to C"""
    if isinstance(pystring, bytes):
        return pystring
    return pystring.encode('utf-8')