Deprecated names, filenames and build_modules

hooks/conan-center.py

@@ -63,6 +63,7 @@
              "KB-H061": "NO BUILD SYSTEM FUNCTIONS",
              "KB-H062": "TOOLS CROSS BUILDING",
              "KB-H064": "INVALID TOPICS",
+             "KB-H065": "DEPRECATED NAMES, FILENAMES AND BUILD_MODULES",
              }
 
 
@@ -724,6 +725,13 @@ def test(out):
                     out.warn("The topic '{}' is invalid; even names and acronyms should be formatted "
                              "entirely in lowercase.".format(topic))
 
+    @run_test("KB-H065", output)
+    def test(out):
+        pattern = re.compile(r"self\.cpp_info.*\.(names\[|filenames\[|build_modules)")
+        if pattern.search(conanfile_content):
+            out.error("Using 'names', 'filenames' and 'build_modules' is deprecated from Conan 1.42. "
+                      "Use 'set_property' and 'get_property' methods of the cpp_info object instead.")
+
 
 @raise_if_error_output
 def post_export(output, conanfile, conanfile_path, reference, **kwargs):

tests/test_hooks/conan-center/test_deprecated_properties.py

@@ -0,0 +1,52 @@
+import os
+import textwrap
+
+import pytest
+from conans import tools
+from parameterized import parameterized
+
+
+from tests.utils.test_cases.conan_client import ConanClientTestCase
+
+
+class TestDeprecatedProperties(ConanClientTestCase):
+    conanfile = textwrap.dedent("""\
+        from conans import ConanFile
+        class AConan(ConanFile):
+            def package_info(self):
+                {}
+        """)
+
+    def _get_environ(self, **kwargs):
+        kwargs = super(TestDeprecatedProperties, self)._get_environ(**kwargs)
+        kwargs.update({'CONAN_HOOKS': os.path.join(os.path.dirname(__file__), '..', '..', '..',
+                                                   'hooks', 'conan-center')})
+        return kwargs
+
+    @parameterized.expand([
+        'self.cpp_info.names["cmake_find_package_multi"] = "myname"',
+        'self.cpp_info.components["mycomp"].names["cmake_find_package_multi"] = "myname"',
+        'self.cpp_info.filenames["cmake_find_package_multi"] = "myname"',
+        'self.cpp_info.components["mycomp"].filenames["cmake_find_package_multi"] = "myname"',
+        'self.cpp_info.build_modules["cmake_find_package_multi"] = "myname"',
+        'self.cpp_info.build_modules = ["/my/path/m.cmake", "my/other/path/m2.cmake"]',
+    ])
+    def test_deprecated_properties(self, pkg_info_line):
+        tools.save('conanfile.py', content=self.conanfile.format(pkg_info_line))
+        output = self.conan(['export', '.', 'name/version@user/channel'])
+        self.assertIn("[DEPRECATED NAMES, FILENAMES AND BUILD_MODULES (KB-H065)] Using 'names', "
+                      "'filenames' and 'build_modules' is deprecated from Conan 1.42. "
+                      "Use 'set_property' and 'get_property' methods of the cpp_info object instead.", output)
+
+    @parameterized.expand([
+        'self.cpp_info.set_property("cmake_file_name", "MyFileName")',
+        'self.cpp_info.set_property("cmake_target_name", "MyTargetName")',
+        'self.cpp_info.components["mycomp"].set_property("cmake_target_name", "mycomponent-name")',
+        'self.cpp_info.components["mycomp"].set_property("cmake_build_modules", ["lib/m2.cmake", "lib/m3.cmake"])',
+        'self.cpp_info.components["mycomp"].set_property("pkg_config_name", "mypkg-config-name")',
+        'self.cpp_info.components["mycomp"].set_property("custom_name", "mycomponent-name", "custom_generator")',
+    ])
+    def test_valid_properties(self, pkg_info_line):
+        tools.save('conanfile.py', content=self.conanfile.format(pkg_info_line))
+        output = self.conan(['export', '.', 'name/version@user/channel'])
+        self.assertIn("[DEPRECATED NAMES, FILENAMES AND BUILD_MODULES (KB-H065)] OK", output)