first commit

.github/workflows/build.yaml

@@ -0,0 +1,44 @@
+name: Build mwarchiver
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        goos: [linux]
+        goarch: [amd64, arm64]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Go environment
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.22'
+
+      - name: Install dependencies
+        run: go mod download
+
+      - name: Build
+        run: |
+          GOOS=${{ matrix.goos }} GOARCH=${{ matrix.goarch }} CGO_ENABLED=0 go build -o mwarchiver-${{ matrix.goos }}-${{ matrix.goarch }} .
+
+      - name: Archive the build
+        run: |
+          tar -czvf mwarchiver-${{ matrix.goos }}-${{ matrix.goarch }}.tar.gz mwarchiver-${{ matrix.goos }}-${{ matrix.goarch }}
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: mwarchiver-${{ matrix.goos }}-${{ matrix.goarch }}
+          path: mwarchiver-${{ matrix.goos }}-${{ matrix.goarch }}.tar.gz

.gitignore

@@ -0,0 +1 @@
+output

LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright © 2024 Mudkip
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

@@ -0,0 +1,19 @@
+mwarchiver
+==========
+
+A minimal MediaWiki archiver. This program is intended to export articles from a MediaWiki instance to `.txt` files.
+
+## Configruation
+
+This program can be configured with `$HOME/.mwarchiver.yaml` file:
+
+```yaml
+api_url: https://en.wikipedia.org/w/api.php
+output_path: output
+limit: 1000 # Maximum exports of a single namespace
+namespaces: [0] # List of namespace numbers: https://www.mediawiki.org/wiki/Help:Namespaces
+```
+
+## License
+
+[MIT](LICENSE)

cmd/root.go

@@ -0,0 +1,71 @@
+package cmd
+
+import (
+	"fmt"
+	"log/slog"
+	"os"
+
+	"github.com/mudkipme/mwarchiver/internal/archiver"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var cfgFile string
+
+var config struct {
+	APIURL     string `mapstructure:"api_url"`
+	OutputPath string `mapstructure:"output_path"`
+	Namespaces []int  `mapstructure:"namespaces"`
+	Limit      int    `mapstructure:"limit"`
+}
+
+var rootCmd = &cobra.Command{
+	Use:   "mwarchiver",
+	Short: "A MediaWiki archiver",
+	Long:  "This program is intended to export articles from a MediaWiki instance to `.txt` files.",
+	Run: func(cmd *cobra.Command, args []string) {
+		archiver := archiver.NewArchiver(config.OutputPath, config.APIURL)
+		for _, namespace := range config.Namespaces {
+			slog.Info("Archiving namespace", slog.Int("namespace", namespace))
+			err := archiver.ArchiveNamespace(namespace, config.Limit)
+			cobra.CheckErr(err)
+		}
+	},
+}
+
+func Execute() {
+	err := rootCmd.Execute()
+	if err != nil {
+		os.Exit(1)
+	}
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.mwarchiver.yaml)")
+}
+
+func initConfig() {
+	if cfgFile != "" {
+		viper.SetConfigFile(cfgFile)
+	} else {
+		home, err := os.UserHomeDir()
+		cobra.CheckErr(err)
+
+		viper.AddConfigPath(home)
+		viper.SetDefault("api_url", "https://en.wikipedia.org/w/api.php")
+		viper.SetDefault("output_path", "output")
+		viper.SetDefault("namespaces", []int{0})
+		viper.SetDefault("limit", 100)
+		viper.SetConfigType("yaml")
+		viper.SetConfigName(".mwarchiver")
+	}
+
+	viper.AutomaticEnv()
+	if err := viper.ReadInConfig(); err == nil {
+		fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
+	}
+
+	err := viper.Unmarshal(&config)
+	cobra.CheckErr(err)
+}

go.mod

@@ -0,0 +1,31 @@
+module github.com/mudkipme/mwarchiver
+
+go 1.22.7
+
+require (
+	github.com/spf13/cobra v1.8.1
+	github.com/spf13/viper v1.19.0
+)
+
+require (
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/sagikazarmark/locafero v0.4.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.11.0 // indirect
+	github.com/spf13/cast v1.6.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.9.0 // indirect
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
+	golang.org/x/sys v0.18.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

go.sum

@@ -0,0 +1,77 @@
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internal/archiver/archiver.go

@@ -0,0 +1,71 @@
+package archiver
+
+import (
+	"fmt"
+	"log/slog"
+	"os"
+	"path"
+	"path/filepath"
+	"regexp"
+	"strings"
+
+	"github.com/mudkipme/mwarchiver/internal/mediawiki"
+)
+
+var (
+	sanitizeRegex = regexp.MustCompile(`[^\p{L}\p{N}_.-]`)
+)
+
+type Archiver struct {
+	OutputPath string
+	Client     *mediawiki.Client
+}
+
+// NewArchiver creates a new archiver.
+func NewArchiver(outputPath, apiURL string) *Archiver {
+	return &Archiver{
+		OutputPath: outputPath,
+		Client:     mediawiki.NewClient(apiURL),
+	}
+}
+
+func (a *Archiver) ArchiveNamespace(namespace int, limit int) error {
+	articles, err := a.Client.GetArticles(namespace, limit)
+	if err != nil {
+		return err
+	}
+
+	for _, article := range articles {
+		if err := a.Archive(namespace, article.PageID, article.Title); err != nil {
+			slog.Error("Failed to archive article", slog.Int("pageID", article.PageID), slog.String("title", article.Title), slog.String("error", err.Error()))
+		}
+	}
+
+	return nil
+}
+
+func (a *Archiver) Archive(namespace int, pageId int, title string) error {
+	dir := path.Join(a.OutputPath, fmt.Sprintf("namespace_%d", namespace))
+	if err := os.MkdirAll(dir, os.ModePerm); err != nil {
+		return err
+	}
+
+	fileName := filepath.Join(dir, fmt.Sprintf("%d_%s.txt", pageId, sanitizeTitle(title)))
+	if _, err := os.Stat(fileName); err == nil {
+		return nil
+	}
+
+	content, err := a.Client.GetPage(title)
+	if err != nil {
+		return err
+	}
+	content = "Title: " + title + "\n\n" + content
+	return os.WriteFile(fileName, []byte(content), 0644)
+}
+
+func sanitizeTitle(title string) string {
+	sanitized := strings.ReplaceAll(title, " ", "_")
+	sanitized = sanitizeRegex.ReplaceAllString(sanitized, "")
+	sanitized = strings.Trim(sanitized, "_.")
+	return sanitized
+}