fixing setup (#35)

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

setup.py

@@ -17,6 +17,7 @@
 """
 
 import os
+import re
 import sys
 
 try:
@@ -31,6 +32,23 @@
 LOCAL_SOURCE = os.path.join("src", "gco_cpp")
 
 
+try:
+    from importlib.util import module_from_spec, spec_from_file_location
+
+    def _load_py_module(module_name, location):
+        spec = spec_from_file_location(module_name, location)
+        py = module_from_spec(spec)
+        spec.loader.exec_module(py)
+        return py
+
+except ImportError:
+    import imp
+
+    def _load_py_module(module_name, location):
+        py = imp.load_source(module_name, location)
+        return py
+
+
 class BuildExt(build_ext):
     """build_ext command for use when numpy headers are needed.
     SEE: https://stackoverflow.com/questions/2379898
@@ -57,22 +75,38 @@ def finalize_options(self):
 if sys.version_info.major == 2:
     # numpy v1.17 drops support for py2
     SETUP_REQUIRES = INSTALL_REQUIRES = ["Cython>=0.23.1", "numpy>=1.8.2, <1.17"]
+    encode_kw = {}
 else:
     SETUP_REQUIRES = INSTALL_REQUIRES = ["Cython>=0.23.1", "numpy>=1.8.2"]
+    encode_kw = dict(encoding="utf_8")
+
+ABOUT = _load_py_module(module_name="about", location=os.path.join("src", "gco", "__about__.py"))
+
+with open("README.md", **encode_kw) as fp:
+    readme = re.sub(
+        # replace image pattern
+        pattern=r"\!\[([\w ]+)\]\(\./(.+)\)",
+        # with static urls and the same format
+        repl=r"![\1](https://raw.githubusercontent.com/borda/pyGCO/%s/\2)" % ABOUT.__version__,
+        # for whole README
+        string=fp.read(),
+    )
 
 setup(
     name="gco-wrapper",
     url="http://vision.csd.uwo.ca/code/",
     package_dir={"": "src"},
     packages=find_packages(where="src"),
     # edit also gco.__init__.py!
-    version="3.0.9",
+    version=ABOUT.__version__,
     license="MIT",
     author="Yujia Li & A. Mueller",
     author_email="[email protected]",
     maintainer="Jiri Borovec",
     maintainer_email="[email protected]",
     description="pyGCO: a python wrapper for the graph cuts package",
+    long_description=readme,
+    long_description_content_type="text/markdown",
     download_url="https://github.com/Borda/pyGCO",
     project_urls={
         "Source Code": "https://github.com/Borda/pyGCO",

src/gco/__about__.py

@@ -0,0 +1,4 @@
+__version__ = "3.0.9"
+__version_info__ = tuple([int(i) for i in __version__.split(".")])
+
+__all__ = ["__version__", "__version_info__"]

src/gco/__init__.py

@@ -1,9 +1,7 @@
-# edit also setup.py!
-__version__ = "3.0.8"
-__version_info__ = tuple([int(i) for i in __version__.split(".")])
-
 import numpy
 
+from .__about__ import *  # noqa: F403
+
 # patch for numpy 1.24+
 for name, tp in [("int", int), ("float", float), ("bool", bool)]:
     if not hasattr(numpy, name):