| // 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 ( |
| "context" |
| _ "embed" |
| "github.com/bazelbuild/bazel-gazelle/language" |
| "log" |
| "os" |
| ) |
| |
| var ( |
| //go:embed helper.zip |
| helperZip []byte |
| helperPath string |
| ) |
| |
| type LifeCycleManager struct { |
| language.BaseLifecycleManager |
| pyzFilePath string |
| } |
| |
| func (l *LifeCycleManager) Before(ctx context.Context) { |
| helperPath = os.Getenv("GAZELLE_PYTHON_HELPER") |
| if helperPath == "" { |
| pyzFile, err := os.CreateTemp("", "python_zip_") |
| if err != nil { |
| log.Fatalf("failed to write parser zip: %v", err) |
| } |
| defer pyzFile.Close() |
| helperPath = pyzFile.Name() |
| l.pyzFilePath = helperPath |
| if _, err := pyzFile.Write(helperZip); err != nil { |
| log.Fatalf("cannot write %q: %v", helperPath, err) |
| } |
| } |
| startParserProcess(ctx) |
| startStdModuleProcess(ctx) |
| } |
| |
| func (l *LifeCycleManager) DoneGeneratingRules() { |
| shutdownParserProcess() |
| } |
| |
| func (l *LifeCycleManager) AfterResolvingDeps(ctx context.Context) { |
| shutdownStdModuleProcess() |
| if l.pyzFilePath != "" { |
| os.Remove(l.pyzFilePath) |
| } |
| } |