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31/May/2019
Thanks to Jayson Pryde for compilation on Windows
To create and test the Python Extension on Windows - see README.windows
==============================================================
06/Jan/2026
To use TLSH for pynndescent
(A) create a virtual environment
$ python3 -m venv .venv
$ source .venv/bin/activate
$ pip install setuptools
$ pip install numpy
(B) follow instructions (1) - (4) below
(C) test it
$ cd py_ext
$ python pynn_test.py
To use pynndescent, we are using byte arrays
import numpy as np
import tlsh
byte_data = bytearray(36)
h1 = tlsh.Tlsh()
h1.fromTlshStr(digest)
h1.toByteArray(byte_data)
numpy_array = np.asarray(memoryview(byte_data), dtype=np.uint8)
NOTE: numpy.asarray() with memoryview: This method also avoids copying data and is highly efficient for bytearray objects.
==============================================================
24/Mar/2018
To make the python version
(1) compile the C++ code
$./make.sh
(2) build the python version
$ cd py_ext/
$ python ./setup.py build
(3) install - possibly - sudo, run as root or administrator
$ python ./setup.py install
(4) test it
$ cd ../Testing
$ ./python_test.sh
==============================================================
17/Oct/2016
Sorry everyone for me breaking the Python implementation of TLSH
The --force option meant that I changed the CMakeLists.txt
And I did not test the Python (I am an algorithm / C++ guy - not really a Python guy).
Anyway - I dug through it and did the steps (1)-(3) above
I fixed setup.py to process the new CMakeLists.txt properly
And now it passes
I am going to incorporate this into the regression test - with a -python option
So that this does not occur again
Sorry once again...
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