Update Python rules to use the toolchain transition.

This is phase 2 of of the switch to toolchain transitions. See bazelbuild#11584 for details.
katre · Sep 2, 2020 · 480da24 · 480da24
1 parent 67dba98
commit 480da24
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diff --git a/src/main/java/com/google/devtools/build/lib/bazel/rules/python/BazelPyRuleClasses.java b/src/main/java/com/google/devtools/build/lib/bazel/rules/python/BazelPyRuleClasses.java
@@ -236,6 +236,7 @@ responsible for creating (possibly empty) __init__.py files and adding them to t
               attr("$py_toolchain_type", NODEP_LABEL)
                   .value(env.getToolsLabel("//tools/python:toolchain_type")))
           .addRequiredToolchains(env.getToolsLabel("//tools/python:toolchain_type"))
+          .useToolchainTransition(true)
           .build();
     }
 

diff --git a/src/test/java/com/google/devtools/build/lib/rules/python/PythonToolchainTest.java b/src/test/java/com/google/devtools/build/lib/rules/python/PythonToolchainTest.java
@@ -73,6 +73,7 @@ public void userDefinedConsumerUsingToolchainResolution() throws Exception {
         "myrule = rule(",
         "    implementation = _myrule_impl,",
         "    toolchains = ['" + TOOLCHAIN_TYPE + "'],",
+        "    incompatible_use_toolchain_transition = True,",
         ")");
     // A toolchain implementation and an instance of the rule that will use it.
     scratch.file(