fixed external editable in workspace

conan/cli/commands/workspace.py

@@ -190,14 +190,17 @@ def _install_build(conan_api: ConanAPI, parser, subparser, build, *args):
             ref = RecipeReference.loads(elem["ref"])
             for package_level in elem["packages"]:
                 for package in package_level:
-                    if package["binary"] == "Build":  # Build external to Workspace
-                        cmd = f'install {package["build_args"]} {profile_args}'
-                        ConanOutput().box(f"Workspace building external {ref}")
-                        ConanOutput().info(f"Command: {cmd}\n")
-                        conan_api.command.run(cmd)
-                    elif package["binary"] in ("Editable", "EditableBuild"):
-                        path = all_editables[ref]["path"]
-                        output_folder = all_editables[ref].get("output_folder")
+                    ws_pkg = all_editables.get(ref)
+                    is_editable = package["binary"] in ("Editable", "EditableBuild")
+                    if ws_pkg is None:
+                        if is_editable or package["binary"] == "Build": # Build external to Workspace
+                            cmd = f'install {package["build_args"]} {profile_args}'
+                            ConanOutput().box(f"Workspace building external {ref}")
+                            ConanOutput().info(f"Command: {cmd}\n")
+                            conan_api.command.run(cmd)
+                    else:
+                        path = ws_pkg["path"]
+                        output_folder = ws_pkg.get("output_folder")
                         build_arg = "--build-require" if package["context"] == "build" else ""
                         ref_args = " ".join(f"--{k}={getattr(ref, k)}"
                                             for k in ("name", "version", "user", "channel")

test/integration/workspace/test_workspace.py

@@ -574,6 +574,34 @@ def packages(self):
         c.run("workspace build")
         assert "conanfile.py (pkga/0.1): Building pkga AND 0.1!!!" in c.out
 
+    def test_build_with_external_editable_python_requires(self):
+        c = TestClient(light=True)
+        c.save({"conanws.yml": "",
+                "ext/conanfile.py": GenConanfile("ext", "0.1").with_package_type("python-require"),
+                "pkga/conanfile.py": GenConanfile("pkga", "0.1").with_python_requires("ext/0.1")
+                })
+        c.run("editable add ext")
+        c.run("workspace add pkga")
+        c.run("workspace build")
+        c.assert_listed_binary({"pkga/0.1": ("8bca2eae7cd0d6b6da8d14f8c86069d89d265bd4",
+                                             "EditableBuild")})
+        c.assert_listed_require({"ext/0.1": "Editable"}, python=True)
+
+    def test_build_with_external_editable(self):
+        c = TestClient(light=True)
+        c.save({"conanws.yml": "",
+                "ext/conanfile.py": GenConanfile("ext", "0.1").with_build_msg("BUILD EXT!"),
+                "pkga/conanfile.py": GenConanfile("pkga", "0.1").with_requires("ext/0.1")
+                })
+        c.run("editable add ext")
+        c.run("workspace add pkga")
+        c.run("workspace build")
+        assert "ext/0.1: WARN: BUILD EXT!" in c.out
+        c.assert_listed_binary({"pkga/0.1": ("38f8a554b1b3c2cbb44321f0e731b3863359126c",
+                                             "EditableBuild"),
+                                "ext/0.1": ("da39a3ee5e6b4b0d3255bfef95601890afd80709",
+                                            "EditableBuild")})
+
 
 class TestNew:
     def test_new(self):