func loadDigest(w http.ResponseWriter, r *http.Request, lg loghttp.FuncBufUniv, fs fsi.FileSystem, fnDigest string, treeX *DirTree) {
fnDigestSnappied := strings.Replace(fnDigest, ".json", ".json.snappy", -1)
bts, err := fs.ReadFile(fnDigestSnappied)
if err == nil {
btsDec := []byte{}
lg("encoded digest loaded, size %vkB", len(bts)/1024)
btsDec, err := snappy.Decode(nil, bts)
if err != nil {
lg(err)
return
}
lg("digest decoded from %vkB to %vkB", len(bts)/1024, len(btsDec)/1024)
bts = btsDec
} else {
bts, err = fs.ReadFile(fnDigest)
lg(err)
}
if err == nil {
err = json.Unmarshal(bts, &treeX)
lg(err)
}
lg("DirTree %5.2vkB loaded for %v", len(bts)/1024, fnDigest)
}
func CreateSys(fs fsi.FileSystem) (*bytes.Buffer, string) {
bb := new(bytes.Buffer)
wpf(bb, "--------create-dirs---------\n")
fc1 := func(p []string) {
path := pth.Join(p...)
err := fs.MkdirAll(relOpt+path, os.ModePerm)
if err != nil {
wpf(bb, "MkdirAll failed %v\n", err)
}
}
fc1([]string{"ch1"})
fc1([]string{"ch1", "ch2"})
fc1([]string{"ch1", "ch2", "ch3"})
fc1([]string{"ch1", "ch2", "ch3", "ch4"})
fc1([]string{"ch1", "ch2a"})
fc1([]string{"ch1A"})
fc1([]string{"ch1B"})
fc1([]string{"d1", "d2", "d3_secretdir", "neverwalked"})
fc1([]string{"d1", "d2", "d3a", "willwalk"})
wpf(bb, "\n--------retrieve-dirs---------\n")
// retrieval
gotByPath := 0
wntByPath := 5
fc2 := func(p []string) {
path := pth.Join(p...)
wpf(bb, "searching... %q\n", path)
f, err := fs.Lstat(relOpt + path)
if err != nil {
wpf(bb, " nothing retrieved - err %v\n", err)
} else {
wpf(bb, " fnd %v \n", pth.Join(path, f.Name()))
gotByPath++
}
}
fc2([]string{"ch1"})
fc2([]string{"ch1", "ch2"})
fc2([]string{"ch1", "non-exist-dir"})
fc2([]string{"ch1", "ch2", "ch3"})
fc2([]string{"ch1A"})
fc2([]string{rel})
wpf(bb, "\nfnd %v of %v dirs \n", gotByPath, wntByPath)
wpf(bb, "\n-------create and save some files----\n")
fc4a := func(name, content string) {
err := fs.WriteFile(relOpt+name, []byte(content), os.ModePerm)
if err != nil {
wpf(bb, "WriteFile %v failed %v\n", name, err)
}
}
fc4b := func(name, content string) {
f, err := fs.Create(relOpt + name)
if err != nil {
wpf(bb, "Create %v failed %v\n", name, err)
}
if err != nil {
return
}
_, err = f.WriteString(content)
if err != nil {
wpf(bb, "WriteString %v failed %v\n", name, err)
}
err = f.Close()
if err != nil {
wpf(bb, "Sync %v failed %v\n", name, err)
}
}
fc4a("ch1/ch2/file_1", "content 1")
fc4b("ch1/ch2/file_2", "content 2")
fc4a("ch1/ch2/ch3/file3", "another content")
fc4b(relPsep+"file4", "chq content 2")
// fsc, ok := memfs.Unwrap(fs)
// if ok {
// fsc.Dump()
// }
// return bb, ""
wpf(bb, "\n-------retrieve files again----\n\n")
gotNumFiles := 0
wntNumFiles := 4
gotSizeFiles := 0
wntSizeFiles := 9 + 9 + 15 + 13
fc5 := func(path string) {
files, err := fs.ReadDir(relOpt + path)
if err != nil {
wpf(bb, "filesByPath %v failed %v\n", path, err)
}
wpf(bb, " srch %-20q yielded %v dirs+files\n", relOpt+path, len(files))
for k, v := range files {
if v.IsDir() {
wpf(bb, " skip dir %v \n", v.Name())
continue
}
data, err := fs.ReadFile(pth.Join(path, v.Name()))
if err != nil {
wpf(bb, "could not get content of %v => %v\n", pth.Join(path, v.Name()), err)
}
wpf(bb, " %v - %v %s\n", k, pth.Join(path, v.Name()), data)
gotNumFiles++
gotSizeFiles += len(data)
}
}
fc5("ch1/ch2")
fc5("ch1/ch2/ch3")
fc5(rel)
wpf(bb, "\n")
wpf(bb, "fnd %2v of %2v fils \n", gotNumFiles, wntNumFiles)
wpf(bb, "fnd %2v of %2v fsize \n", gotSizeFiles, wntSizeFiles)
wpf(bb, "\n")
testRes := ""
if gotNumFiles != wntNumFiles {
testRes += spf("Create files num : wnt %2v - got %v\n", wntNumFiles, gotNumFiles)
}
if gotSizeFiles != wntSizeFiles {
testRes += spf("Create files size: wnt %2v - got %v\n", wntSizeFiles, gotSizeFiles)
}
return bb, testRes
}
// Puttting it all together
func Dedup(oURL *url.URL,
least3Files []repo.FullArticle, lg loghttp.FuncBufUniv, fs fsi.FileSystem) *html.Node {
opts := domclean2.CleaningOptions{Proxify: true, Beautify: true}
// opts.FNamer = fNamer
opts.AddOutline = true
// opts.RemoteHost = fetch.HostFromStringUrl(least3Files[0].Url)
opts.RemoteHost = oURL.Host
//
// domclean
for i := 0; i < len(least3Files); i++ {
fNamer := domclean2.FileNamer(logDir, i)
fNamer() // first call yields key
lg("cleaning %4.1fkB from %v", float64(len(least3Files[i].Body))/1024,
stringspb.ToLenR(least3Files[i].Url, 60))
doc, err := domclean2.DomClean(least3Files[i].Body, opts)
lg(err)
fileDump(lg, fs, doc, fNamer, ".html")
}
if false {
//
// Textify with brute force
for i := 0; i < len(least3Files); i++ {
fNamer := domclean2.FileNamer(logDir, i)
fNamer() // first call yields key
bts, err := fs.ReadFile(fNamer() + ".html")
lg(err)
doc, err := html.Parse(bytes.NewReader(bts))
lg(err)
textifyBruteForce(doc)
var buf bytes.Buffer
err = html.Render(&buf, doc)
lg(err)
b := buf.Bytes()
b = bytes.Replace(b, []byte("[br]"), []byte("\n"), -1)
fileDump(lg, fs, b, fNamer, "_raw.txt")
}
}
//
// Textify with more finetuning.
// Save result to memory.
textsByArticOutl := map[string][]*TextifiedTree{}
for i := 0; i < len(least3Files); i++ {
fNamer := domclean2.FileNamer(logDir, i)
fnKey := fNamer() // first call yields key
bts, err := fs.ReadFile(fNamer() + ".html")
doc, err := html.Parse(bytes.NewReader(bts))
lg(err)
fNamer() // one more
//
mp, bts := BubbledUpTextExtraction(doc, fnKey)
fileDump(lg, fs, bts, fNamer, ".txt")
mpSorted, dump := orderByOutline(mp)
fileDump(lg, fs, dump, fNamer, ".txt")
textsByArticOutl[fnKey] = mpSorted
// for k, v := range mpSorted {
// if k%33 != 0 {
// continue
// }
// log.Printf("%3v: %v %14v %v\n", k, v.SourceID, v.Outline, v.Lvl)
// }
}
//
//
// We progress from level 1 downwards.
// Lower levels skip weeded out higher levels,
// to save expensive levenshtein comparisons
var skipPrefixes = map[string]bool{}
for weedStage := 1; weedStage <= stageMax; weedStage++ {
fNamer := domclean2.FileNamer(logDir, 0)
fnKey := fNamer() // first call yields key
levelsToProcess = map[int]bool{weedStage: true}
frags := similarTextifiedTrees(textsByArticOutl, skipPrefixes, map[string]bool{fnKey: true})
similaritiesToFile(fs, logDir, frags, weedStage)
for _, frag := range frags {
if len(frag.Similars) >= numTotal-1 &&
frag.SumRelLevenshtein/(numTotal-1) < 0.2 {
skipPrefixes[frag.Outline+"."] = true
}
}
b := new(bytes.Buffer)
for k, _ := range skipPrefixes {
b.WriteString(k)
b.WriteByte(32)
}
// log.Printf("%v\n", b.String())
}
//
// Apply dedup
fNamer := domclean2.FileNamer(logDir, 0)
fNamer() // first call yields key
bts, err := fs.ReadFile(fNamer() + ".html")
lg(err)
doc, err := html.Parse(bytes.NewReader(bts))
lg(err)
dedupApply(doc, skipPrefixes)
// A special after dedup cleaning:
// Remove ol and cfrm attributes
var fr func(*html.Node)
fr = func(n *html.Node) {
if n.Type == html.ElementNode {
attr2 := make([]html.Attribute, 0, len(n.Attr))
for _, attr := range n.Attr {
if attr.Key != "ol" && attr.Key != "cfrm" {
attr2 = append(attr2, attr)
}
}
n.Attr = attr2
}
for c := n.FirstChild; c != nil; c = c.NextSibling {
fr(c)
}
}
fr(doc)
if false {
// does not add value
var b7 bytes.Buffer
err := html.Render(&b7, doc)
lg(err)
doc, err = domclean2.DomClean(b7.Bytes(), opts)
lg(err)
} else {
domclean2.DomFormat(doc)
}
return doc
}
