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// Copyright 2023 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package python
import (
"fmt"
"github.com/bazelbuild/bazel-gazelle/rule"
)
const (
pyBinaryKind = "py_binary"
pyLibraryKind = "py_library"
pyProtoLibraryKind = "py_proto_library"
pyTestKind = "py_test"
)
// Kinds returns a map that maps rule names (kinds) and information on how to
// match and merge attributes that may be found in rules of those kinds.
func (*Python) Kinds() map[string]rule.KindInfo {
return pyKinds
}
var pyKinds = map[string]rule.KindInfo{
pyBinaryKind: {
MatchAny: false,
MatchAttrs: []string{"srcs"},
NonEmptyAttrs: map[string]bool{
"deps": true,
"main": true,
"srcs": true,
"imports": true,
},
SubstituteAttrs: map[string]bool{},
MergeableAttrs: map[string]bool{
"srcs": true,
"imports": true,
},
ResolveAttrs: map[string]bool{
"deps": true,
"pyi_deps": true,
"pyi_srcs": true,
},
},
pyLibraryKind: {
MatchAny: false,
MatchAttrs: []string{"srcs"},
NonEmptyAttrs: map[string]bool{
"deps": true,
"srcs": true,
"imports": true,
},
SubstituteAttrs: map[string]bool{},
MergeableAttrs: map[string]bool{
"srcs": true,
},
ResolveAttrs: map[string]bool{
"deps": true,
"pyi_deps": true,
"pyi_srcs": true,
},
},
pyProtoLibraryKind: {
NonEmptyAttrs: map[string]bool{
"deps": true,
},
ResolveAttrs: map[string]bool{"deps": true},
},
pyTestKind: {
MatchAny: false,
NonEmptyAttrs: map[string]bool{
"deps": true,
"main": true,
"srcs": true,
"imports": true,
},
SubstituteAttrs: map[string]bool{},
MergeableAttrs: map[string]bool{
"srcs": true,
},
ResolveAttrs: map[string]bool{
"deps": true,
"pyi_deps": true,
"pyi_srcs": true,
},
},
}
func (py *Python) Loads() []rule.LoadInfo {
panic("ApparentLoads should be called instead")
}
// Loads returns .bzl files and symbols they define. Every rule generated by
// GenerateRules, now or in the past, should be loadable from one of these
// files.
func (py *Python) ApparentLoads(moduleToApparentName func(string) string) []rule.LoadInfo {
return apparentLoads(moduleToApparentName)
}
func apparentLoads(moduleToApparentName func(string) string) []rule.LoadInfo {
protobuf := moduleToApparentName("protobuf")
if protobuf == "" {
protobuf = "com_google_protobuf"
}
return []rule.LoadInfo{
{
Name: "@rules_python//python:defs.bzl",
Symbols: []string{
pyBinaryKind,
pyLibraryKind,
pyTestKind,
},
},
{
Name: fmt.Sprintf("@%s//bazel:py_proto_library.bzl", protobuf),
Symbols: []string{
pyProtoLibraryKind,
},
},
}
}