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fix: make first default output the executable again #2010

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Jun 24, 2024
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1 change: 1 addition & 0 deletions CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ A brief description of the categories of changes:
`interpreter_version_info` arg.
* (bzlmod) Correctly pass `isolated`, `quiet` and `timeout` values to `whl_library`
and drop the defaults from the lock file.
* (rules) The first element of the default outputs is now the executable again.

### Removed
* (pip): Removes the `entrypoint` macro that was replaced by `py_console_script_binary` in 0.26.0.
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5 changes: 3 additions & 2 deletions python/private/common/py_executable.bzl
Original file line number Diff line number Diff line change
Expand Up @@ -166,9 +166,10 @@ def py_executable_base_impl(ctx, *, semantics, is_test, inherited_environment =
main_py = precompile_result.py_to_pyc_map[main_py]
direct_pyc_files = depset(precompile_result.pyc_files)

default_outputs = precompile_result.keep_srcs + precompile_result.pyc_files
executable = _declare_executable_file(ctx)
default_outputs.append(executable)
default_outputs = [executable]
default_outputs.extend(precompile_result.keep_srcs)
default_outputs.extend(precompile_result.pyc_files)

imports = collect_imports(ctx, semantics)

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11 changes: 11 additions & 0 deletions tests/base_rules/py_executable_base_tests.bzl
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ load("@rules_python_internal//:rules_python_config.bzl", rp_config = "config")
load("@rules_testing//lib:analysis_test.bzl", "analysis_test")
load("@rules_testing//lib:truth.bzl", "matching")
load("@rules_testing//lib:util.bzl", rt_util = "util")
load("//python/private:util.bzl", "IS_BAZEL_7_OR_HIGHER") # buildifier: disable=bzl-visibility
load("//tests/base_rules:base_tests.bzl", "create_base_tests")
load("//tests/base_rules:util.bzl", "WINDOWS_ATTR", pt_util = "util")
load("//tests/support:support.bzl", "LINUX_X86_64", "WINDOWS_X86_64")
Expand Down Expand Up @@ -297,6 +298,16 @@ def _test_files_to_build_impl(env, target):
"{package}/{test_name}_subject.py",
])

if IS_BAZEL_7_OR_HIGHER:
# As of Bazel 7, the first default output is the executable, so
# verify that is the case. rules_testing
# DepsetFileSubject.contains_exactly doesn't provide an in_order()
# call, nor access to the underlying depset, so we have to do things
# manually.
first_default_output = target[DefaultInfo].files.to_list()[0]
executable = target[DefaultInfo].files_to_run.executable
env.expect.that_file(first_default_output).equals(executable)

def _test_name_cannot_end_in_py(name, config):
# Bazel 5 will crash with a Java stacktrace when the native Python
# rules have an error.
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