/
pip.go
90 lines (74 loc) · 2.24 KB
/
pip.go
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// Copyright 2019 Google Inc. 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 packages
import (
"context"
"encoding/json"
"runtime"
"time"
"github.com/GoogleCloudPlatform/osconfig/util"
)
var (
pip string
pipListArgs = []string{"list", "--format=json"}
pipOutdatedArgs = append(pipListArgs, "--outdated")
pipListTimeout = 15 * time.Second
pipOutdatedTimeout = 15 * time.Second
)
func init() {
if runtime.GOOS != "windows" {
pip = "/usr/bin/pip"
}
PipExists = util.Exists(pip)
}
type pipUpdatesPkg struct {
Name string `json:"name"`
LatestVersion string `json:"latest_version"`
}
type pipInstalledPkg struct {
Name string `json:"name"`
Version string `json:"version"`
}
// PipUpdates queries for all available pip updates.
func PipUpdates(ctx context.Context) ([]*PkgInfo, error) {
out, err := runWithDeadline(ctx, pipOutdatedTimeout, pip, pipOutdatedArgs)
if err != nil {
return nil, err
}
var pipUpdates []pipUpdatesPkg
if err := json.Unmarshal(out, &pipUpdates); err != nil {
return nil, err
}
var pkgs []*PkgInfo
for _, pkg := range pipUpdates {
pkgs = append(pkgs, &PkgInfo{Name: pkg.Name, Arch: noarch, Version: pkg.LatestVersion})
}
return pkgs, nil
}
// InstalledPipPackages queries for all installed pip packages.
func InstalledPipPackages(ctx context.Context) ([]*PkgInfo, error) {
out, err := runWithDeadline(ctx, pipListTimeout, pip, pipListArgs)
if err != nil {
return nil, err
}
var pipUpdates []pipInstalledPkg
if err := json.Unmarshal(out, &pipUpdates); err != nil {
return nil, err
}
var pkgs []*PkgInfo
for _, pkg := range pipUpdates {
pkgs = append(pkgs, &PkgInfo{Name: pkg.Name, Arch: noarch, Version: pkg.Version})
}
return pkgs, nil
}