conanfile.py

from conans import ConanFile, CMake
from conans.tools import load
import re
import os


class bertrandConan(ConanFile):
    name = "bertrand"
    license = "LGPLv3"
    author = "Dominik Berner <dominik.berner+bertrand-conan@gmail.com"
    url = "https://github.com/bernedom/bertrand"
    description = "A C++ header only library providing functionalitiy for design by contract"
    topics = ("design-by-contract",
              "cplusplus-library", "cplusplus-17")
    exports_sources = "include/*", "CMakeLists.txt", "test/*", "cmake/bertrandConfig.cmake.in", "LICENSE"
    no_copy_source = True
    generators = "cmake", "txt", "cmake_find_package"
    build_requires = "catch2/2.13.6"
    _cmake = None

    def _configure_cmake(self):
        if self._cmake is None:
            self._cmake = CMake(self)
            # Add additional settings with cmake.definitions["SOME_DEFINITION"] = True
            self._cmake.configure()
        return self._cmake

    def set_version(self):
        cmake = load(os.path.join(self.recipe_folder, "CMakeLists.txt"))

        version = re.search(
            r"(?:[ \t]*)(?:VERSION\s+?)(\d+\.\d+\.\d+)", cmake).group(1)
        self.version = version

    def build(self):
        cmake = self._configure_cmake()
        cmake.build()

    def test(self):
        cmake = self._configure_cmake()
        cmake.test()

    def package(self):
        cmake = self._configure_cmake()
        cmake.install()

    def package_id(self):
        self.info.header_only()