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// Copyright 2019 Nick White.
// Use of this source code is governed by the GPLv3
// license that can be found in the LICENSE file.
// getpipelinebook downloads the pipeline results for a book.
package main
import (
"flag"
"fmt"
"log"
"os"
"path/filepath"
"rescribe.xyz/bookpipeline"
"rescribe.xyz/bookpipeline/internal/pipeline"
)
const usage = `Usage: getpipelinebook [-c conn] [-a] [-graph] [-pdf] [-png] [-v] bookname
Downloads the pipeline results for a book.
By default this downloads the best hOCR version for each page, the
binarised and (if available) colour PDF, and the best, conf and
graph.png analysis files.
`
// null writer to enable non-verbose logging to be discarded
type NullWriter bool
func (w NullWriter) Write(p []byte) (n int, err error) {
return len(p), nil
}
func main() {
all := flag.Bool("a", false, "Get all files for book")
conntype := flag.String("c", "aws", "connection type ('aws' or 'local')")
graph := flag.Bool("graph", false, "Only download graphs (can be used alongside -pdf)")
binarisedpdf := flag.Bool("binarisedpdf", false, "Only download binarised PDF (can be used alongside -graph)")
colourpdf := flag.Bool("colourpdf", false, "Only download colour PDF (can be used alongside -graph)")
pdf := flag.Bool("pdf", false, "Only download PDFs (can be used alongside -graph)")
png := flag.Bool("png", false, "Only download best binarised png files")
verbose := flag.Bool("v", false, "Verbose")
flag.Usage = func() {
fmt.Fprintf(flag.CommandLine.Output(), usage)
flag.PrintDefaults()
}
flag.Parse()
if flag.NArg() < 1 {
flag.Usage()
return
}
var verboselog *log.Logger
if *verbose {
verboselog = log.New(os.Stdout, "", log.LstdFlags)
} else {
var n NullWriter
verboselog = log.New(n, "", log.LstdFlags)
}
var conn pipeline.MinPipeliner
switch *conntype {
case "aws":
conn = &bookpipeline.AwsConn{Region: "eu-west-2", Logger: verboselog}
case "local":
conn = &bookpipeline.LocalConn{Logger: verboselog}
default:
log.Fatalln("Unknown connection type")
}
verboselog.Println("Setting up AWS session")
err := conn.MinimalInit()
if err != nil {
log.Fatalln("Error setting up cloud connection:", err)
}
verboselog.Println("Finished setting up AWS session")
bookname := flag.Arg(0)
err = os.MkdirAll(bookname, 0755)
if err != nil {
log.Fatalln("Failed to create directory", bookname, err)
}
if *all {
verboselog.Println("Downloading all files for", bookname)
err = pipeline.DownloadAll(bookname, conn)
if err != nil {
log.Fatalln(err)
}
}
if *binarisedpdf {
fn := filepath.Join(bookname, bookname+".binarised.pdf")
verboselog.Println("Downloading file", fn)
err = conn.Download(conn.WIPStorageId(), fn, fn)
if err != nil {
log.Fatalln("Failed to download file", fn, err)
}
}
if *colourpdf {
fn := filepath.Join(bookname, bookname+".colour.pdf")
verboselog.Println("Downloading file", fn)
err = conn.Download(conn.WIPStorageId(), fn, fn)
if err != nil {
log.Fatalln("Failed to download file", fn, err)
}
}
if *graph {
fn := filepath.Join(bookname, "graph.png")
verboselog.Println("Downloading file", fn)
err = conn.Download(conn.WIPStorageId(), fn, fn)
if err != nil {
log.Fatalln("Failed to download file", fn, err)
}
}
if *pdf {
verboselog.Println("Downloading PDFs")
pipeline.DownloadPdfs(bookname, conn)
}
if *binarisedpdf || *colourpdf || *graph || *pdf {
return
}
verboselog.Println("Downloading best pages")
err = pipeline.DownloadBestPages(bookname, conn, *png)
if err != nil {
log.Fatalln(err)
}
verboselog.Println("Downloading PDFs")
pipeline.DownloadPdfs(bookname, conn)
if err != nil {
log.Fatalln(err)
}
verboselog.Println("Downloading analyses")
err = pipeline.DownloadAnalyses(bookname, conn)
if err != nil {
log.Fatalln(err)
}
}
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