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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.
package pipeline
import (
"bufio"
"fmt"
"os"
"path/filepath"
"strings"
)
func DownloadBestPages(name string, conn Pipeliner, pluspngs bool) error {
fn := filepath.Join(name, "best")
err := conn.Download(conn.WIPStorageId(), fn, fn)
if err != nil {
return fmt.Errorf("Failed to download 'best' file: %v", err)
}
f, err := os.Open(fn)
if err != nil {
return fmt.Errorf("Failed to open best file: %v", err)
}
defer f.Close()
s := bufio.NewScanner(f)
for s.Scan() {
fn = filepath.Join(name, s.Text())
conn.Log("Downloading file", fn)
err = conn.Download(conn.WIPStorageId(), fn, fn)
if err != nil {
return fmt.Errorf("Failed to download file %s: %v", fn, err)
}
}
if !pluspngs {
return nil
}
s = bufio.NewScanner(f)
for s.Scan() {
txtfn := filepath.Join(name, s.Text())
fn = strings.Replace(txtfn, ".hocr", ".png", 1)
conn.Log("Downloading file", fn)
err = conn.Download(conn.WIPStorageId(), fn, fn)
if err != nil {
return fmt.Errorf("Failed to download file", fn, err)
}
}
return nil
}
func DownloadPdfs(name string, conn Pipeliner) error {
for _, suffix := range []string{".colour.pdf", ".binarised.pdf"} {
fn := filepath.Join(name, name+suffix)
err := conn.Download(conn.WIPStorageId(), fn, fn)
if err != nil {
return fmt.Errorf("Failed to download PDF %s: %v", fn, err)
}
}
return nil
}
func DownloadAnalyses(name string, conn Pipeliner) error {
for _, a := range []string{"conf", "graph.png"} {
fn := filepath.Join(name, a)
err := conn.Download(conn.WIPStorageId(), fn, fn)
if err != nil {
return fmt.Errorf("Failed to download analysis file %s: %v", fn, err)
}
}
return nil
}
func DownloadAll(name string, conn Pipeliner) error {
objs, err := conn.ListObjects(conn.WIPStorageId(), name)
if err != nil {
return fmt.Errorf("Failed to get list of files for book", name, err)
}
for _, i := range objs {
conn.Log("Downloading", i)
err = conn.Download(conn.WIPStorageId(), i, i)
if err != nil {
return fmt.Errorf("Failed to download file", i, err)
}
}
return nil
}
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