added the files to previous commit

.gitignore

@@ -25,3 +25,4 @@ py_bind/wheelhouse/*
 *.pyd
 *.pyc
 *.so
+py_bind/optv/*.html

py_bind/optv/correspondences.pyx

@@ -85,7 +85,7 @@ cdef class MatchedCoords:
         """
         cdef:
             np.ndarray[ndim=2, dtype=np.float64_t] positions
-            np.ndarray[ndim=1, dtype=np.int32_t] point_numbers
+            np.ndarray[ndim=1, dtype=np.int64_t] point_numbers
             int pt
 
         positions = np.empty((self._num_pts, 2))
@@ -98,7 +98,7 @@ cdef class MatchedCoords:
 
         return positions, point_numbers
 
-    def get_by_pnrs(self, np.ndarray[ndim=1, dtype=np.int32_t] pnrs):
+    def get_by_pnrs(self, np.ndarray[ndim=1, dtype=np.int64_t] pnrs):
         """
         Return the flat positions of points whose pnr property is given, as an
         (n,2) flat position array. Assumes all pnrs are to be found, otherwise
@@ -161,7 +161,7 @@ def correspondences(list img_pts, list flat_coords, list cals,
             num_cams * sizeof(coord_2d *))
         frame frm
 
-        np.ndarray[ndim=2, dtype=np.int32_t] clique_ids
+        np.ndarray[ndim=2, dtype=np.int64_t] clique_ids
         np.ndarray[ndim=3, dtype=np.float64_t] clique_targs
 
         # Return buffers:

py_bind/pyproject.toml

@@ -1,6 +1,6 @@
 [build-system]
-requires = ["flit_core >=2,<4"]
-build-backend = "flit_core.buildapi"
+requires = ["setuptools","numpy","cython","pyyaml"]
+build-backend = "setuptools.build_meta"
 
 [project]
 name = "optv"
@@ -13,6 +13,3 @@ dependencies = [
     "numpy",
     "cython"
 ]
-
-[tool.cibuildwheel]
-before-build = "pip install numpy cython && cd py_bind && python setup.py prepare"

py_bind/setup.py

@@ -1,14 +1,21 @@
 # -*- coding: utf-8 -*-
 
-from distutils.core import setup
+# from distutils.core import setup
 import setuptools
 import os
 import shutil
 import sys
 import glob
-from setuptools import Extension
+from setuptools import Extension, setup
 from setuptools.command.build_ext import build_ext
+from Cython.Compiler import Options
 import importlib
+import numpy as np
+
+
+# These are optional
+Options.docstrings = True
+Options.annotate = True
 
 
 class PrepareCommand(setuptools.Command):