5 examples of 'python integer input' in Python

5
def int_input(input_str=""):
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    while True:
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        try:
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            int(input(input_str))
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            break
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        except ValueError:
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            print("类型出错，请重新输入!")

108
def integer(prompt=None, empty=False):
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    """Prompt an integer.
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    Parameters
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    ----------
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    prompt : str, optional
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        Use an alternative prompt.
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    empty : bool, optional
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        Allow an empty response.
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    Returns
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    -------
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    int or None
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        An int if the user entered a valid integer.
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        None if the user pressed only Enter and ``empty`` was True.
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    """
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    s = _prompt_input(prompt)
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    if empty and not s:
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        return None
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    else:
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        try:
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            return int(s)
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        except ValueError:
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            return integer(prompt=prompt, empty=empty)

25
def input_int(msg):
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    while True:
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        i = input(msg)
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        if is_int(i) and int(i) >= 0:
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            return i
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        elif i == 'q':
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            return None
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        else:
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            print('Invalid input, please try again')

113
def readInt(a):
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    while True:
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        try:
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            x = int(raw_input(a))
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            break
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        except ValueError:
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            print "Oops!  That was no valid number.  Try again..."
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    return int(x)

100
def integer(number, *args):
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	"""In Python 3 int() is broken.
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	>>> int(bytearray(b'1_0'))
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	Traceback (most recent call last):
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		...
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	ValueError:
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	"""
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	num = int(number, *args)
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	if isinstance(number, str) and '_' in number or isinstance(number, (bytes, bytearray)) and b' ' in number:
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		raise ValueError()
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	return num