2015-12-22 16:31:43 +00:00
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import logging
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2016-10-29 18:17:35 +00:00
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import random
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2015-08-10 04:25:35 +00:00
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2016-11-19 04:32:23 +00:00
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from django.utils.crypto import get_random_string
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2015-08-05 00:44:28 +00:00
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2016-11-19 04:32:23 +00:00
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logger = logging.getLogger(__name__)
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2015-10-08 06:03:50 +00:00
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2016-10-29 18:17:35 +00:00
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def rand_str(length=32, type="lower_hex"):
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"""
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2016-11-19 04:32:23 +00:00
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生成指定长度的随机字符串或者数字, 可以用于密钥等安全场景
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:param length: 字符串或者数字的长度
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:param type: str 代表随机字符串,num 代表随机数字
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:return: 字符串
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2016-10-29 18:17:35 +00:00
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"""
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if type == "str":
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2016-11-19 04:32:23 +00:00
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return get_random_string(length, allowed_chars="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789")
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2016-10-29 18:17:35 +00:00
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elif type == "lower_str":
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2016-11-19 04:32:23 +00:00
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return get_random_string(length, allowed_chars="abcdefghijklmnopqrstuvwxyz0123456789")
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2016-10-29 18:17:35 +00:00
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elif type == "lower_hex":
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2016-11-19 04:32:23 +00:00
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return random.choice("123456789abcdef") + get_random_string(length - 1, allowed_chars="0123456789abcdef")
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2016-10-29 18:17:35 +00:00
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else:
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2017-01-23 08:01:56 +00:00
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return random.choice("123456789") + get_random_string(length - 1, allowed_chars="0123456789")
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