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Is there any direct way to assert valid sha1 ,valid epoch timestamp and valid positive integer in python.I am bound to use native python and no third party libs.

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    Please explain your question further. What do you mean by "assert valid"? What is a "valid utc timestamp"? – fletom Feb 23 '15 at 23:45
  • A built-in (for python >=2.5) hashlib module provides sha1 calculation (https://docs.python.org/2/library/hashlib.html?highlight=sha1); epoch timestamp is in utc, isn't it? epoch ts is available in a built-in time module: time.time(). assert is a built-in expression. I don't see a need for any third-party library. – Mr. Girgitt Feb 23 '15 at 23:54
  • You can do all those things with python, see the hashlib and datetime modules. You need to explain more about the validation part. – Steven Kryskalla Feb 24 '15 at 00:03

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