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def my_rule_impl(ctx):
return struct()
def exercise_the_api():
var1 = config_common.FeatureFlagInfo
var2 = platform_common.TemplateVariableInfo
var3 = repository_rule(implementation = my_rule_impl)
var4 = testing.ExecutionInfo({})
# TODO(juliexxia): This isn't actually where this module would be used.
# Move this to the rule definition when the relevant parameter is set up.
var5 = config.int(flag = True)
exercise_the_api()
MyInfo = provider(
fields = {
"foo": "Something foo-related.",
"bar": "Something bar-related.",
},
)
my_info = MyInfo(foo="x", bar="y")
my_rule = rule(
implementation = my_rule_impl,
doc = "This rule exercises some of the build API.",
attrs = {
"src": attr.label(
doc = "The source file.",
allow_files = [".bzl"]),
"deps": attr.label_list(
doc = """
A list of dependencies.
These dependencies better provide MyInfo!
...or else.
""",
providers = [MyInfo],
allow_files = False),
"tool": attr.label(
doc = "The location of the tool to use.",
allow_files = True,
default = Label("//foo/bar/baz:target",),
cfg = "host",
executable = True),
"out": attr.output(
doc = "The output file.",
mandatory = True),
"extra_arguments": attr.string_list(default = []),
}
)
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