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@@ -34,17 +34,17 @@
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a mathlib; hashing and symmetric encryption do not.
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------
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-
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+
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This code was originally written for Python 2.7 with the
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ctypes standard library. This version was modified so that
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it would run under both Python 2.7 and 3.6. You might want
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to run a diff on the .py and .py3 files to see the differences
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- between the two languages.
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-
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+ between the two languages.
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+
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Arguably the biggest change for Python3 has to do with
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strings. Under Python2, native strings are ASCII bytes and
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passing them to LTC is natural and requires no conversion.
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- Under Python3 all native strings are Unicode which requires
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+ Under Python3 all native strings are Unicode which requires
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they be converted to bytes before use by LTC.
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Note the following for Python3.
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@@ -56,11 +56,10 @@
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If so, use <string>.decode('utf-8').
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- The Python2 'print' statement becomes a function in
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Python3 which requires parenthesis, eg. 'print()'.
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-
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+
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NB: Unicode is achieved under Python2 by either defining
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a Unicode string with a 'u' prefix or passing ASCII
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strings thru the 'unicode()' function.
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-
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Larry Bugbee
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March 2014 v1
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Larry Bugbee