adding python-requires to info output (#9290)

conans/client/conan_command_output.py

@@ -139,6 +139,11 @@ def _grab_info_data(self, deps_graph, grab_paths):
             item_data["build_id"] = build_id(conanfile)
             item_data["context"] = conanfile.context
 
+            python_requires = getattr(conanfile, "python_requires", None)
+            if python_requires and not isinstance(python_requires, dict):  # no old python requires
+                item_data["python_requires"] = [repr(r)
+                                                for r in conanfile.python_requires.all_refs()]
+
             # Paths
             if isinstance(ref, ConanFileReference) and grab_paths:
                 package_layout = self._cache.package_layout(ref, conanfile.short_paths)

conans/client/printer.py

@@ -124,6 +124,11 @@ def _print(it_field, show_field=None, name=None, color=Color.BRIGHT_GREEN):
 
             _print("scm", show_field="scm", name="scm")
 
+            if show("python_requires") and "python_requires" in it:
+                self._out.writeln("    Python-requires:", Color.BRIGHT_GREEN)
+                for d in it["python_requires"]:
+                    self._out.writeln("        %s" % d, Color.BRIGHT_YELLOW)
+
             if show("required") and "required_by" in it:
                 self._out.writeln("    Required by:", Color.BRIGHT_GREEN)
                 for d in it["required_by"]:

conans/test/integration/command/info/info_test.py

@@ -697,3 +697,26 @@ def test_context_build(self):
         assert info[0]["context"] == "build"
         assert info[1]["reference"] == "pkg/1.0"
         assert info[1]["context"] == "host"
+
+
+class TestInfoPythonRequires:
+    # https://github.com/conan-io/conan/issues/9277
+
+    def test_python_requires(self):
+        client = TestClient()
+        client.save({"conanfile.py": GenConanfile()})
+        client.run("export . tool/0.1@")
+        conanfile = textwrap.dedent("""
+            from conans import ConanFile
+            class Pkg(ConanFile):
+                python_requires = "tool/0.1"
+            """)
+        client.save({"conanfile.py": conanfile})
+
+        client.run("info .")
+        assert "Python-requires:" in client.out
+        assert "tool/0.1#f3367e0e7d170aa12abccb175fee5f97" in client.out
+
+        client.run("info . --json=file.json")
+        info = json.loads(client.load("file.json"))
+        assert info[0]["python_requires"] == ['tool/0.1#f3367e0e7d170aa12abccb175fee5f97']