✏ 编辑: _errors.py

# coding: utf-8

"""
Exports the following items:

- unwrap()
 - APIException()
"""

from __future__ import unicode_literals, division, absolute_import, print_function

import re
import textwrap

class APIException(Exception):
    """
    An exception indicating an API has been removed from asn1crypto
    """

pass

def unwrap(string, *params):
    """
    Takes a multi-line string and does the following:

- dedents
     - converts newlines with text before and after into a single line
     - strips leading and trailing whitespace

:param string:
        The string to format

:param *params:
        Params to interpolate into the string

:return:
        The formatted string
    """

output = textwrap.dedent(string)

# Unwrap lines, taking into account bulleted lists, ordered lists and
    # underlines consisting of = signs
    if output.find('\n') != -1:
        output = re.sub('(?<=\\S)\n(?=[^ \n\t\\d\\*\\-=])', ' ', output)

if params:
        output = output % params

output = output.strip()

return output

[X] 取消