Fix serialization of tool_requires in conan profile show --format=json

conans/model/profile.py

@@ -30,12 +30,14 @@ def __repr__(self):
         return self.dumps()
 
     def serialize(self):
-        # TODO: Remove it seems dead
+        def _serialize_tool_requires():
+            return {pattern: [ref.serialize() for ref in refs]
+                    for pattern, refs in self.tool_requires.items()}
         return {
             "settings": self.settings,
             "package_settings": self.package_settings,
             "options": self.options.serialize(),
-            "tool_requires": self.tool_requires,
+            "tool_requires": _serialize_tool_requires(),
             "conf": self.conf.serialize(),
             # FIXME: Perform a serialize method for ProfileEnvironment
             "build_env": self.buildenv.dumps()

conans/model/recipe_ref.py

@@ -182,6 +182,15 @@ def matches(self, pattern, is_consumer):
             return not condition
         return condition
 
+    def serialize(self):
+        result = {"name": self.name,
+                  "version": str(self.version),
+                  "user": self.user,
+                  "channel": self.channel,
+                  "revision": self.revision,
+                  "timestamp": self.timestamp}
+        return result
+
 
 def ref_matches(ref, pattern, is_consumer):
     if not ref or not str(ref):

conans/test/integration/command/test_profile.py

@@ -133,9 +133,14 @@ def test_shorthand_syntax():
 
 def test_profile_show_json():
     c = TestClient()
-    c.save({"myprofilewin": "[settings]\nos=Windows",
+    c.save({"myprofilewin": "[settings]\nos=Windows\n[tool_requires]\nmytool/*:mytool/1.0",
             "myprofilelinux": "[settings]\nos=Linux"})
     c.run("profile show -pr:b=myprofilewin -pr:h=myprofilelinux --format=json")
     profile = json.loads(c.stdout)
-    assert profile["build"]["settings"] == {"os": "Windows"}
     assert profile["host"]["settings"] == {"os": "Linux"}
+
+    assert profile["build"]["settings"] == {"os": "Windows"}
+    # Check that tool_requires are properly serialized in json format
+    # https://github.com/conan-io/conan/issues/15183
+    result = {'mytool/*': [{'channel': None, 'name': 'mytool', 'revision': None, 'timestamp': None, 'user': None, 'version': '1.0'}]}
+    assert profile["build"]["tool_requires"] == result