21 "git.arvados.org/arvados.git/sdk/go/arvados"
22 "github.com/arvados/lightning/hgvs"
23 log "github.com/sirupsen/logrus"
26 type outputFormat struct {
28 Print func(out io.Writer, seqname string, varslice []hgvs.Variant)
33 outputFormats = map[string]outputFormat{
34 "hgvs-onehot": outputFormatHGVSOneHot,
35 "hgvs": outputFormatHGVS,
36 "vcf": outputFormatVCF,
38 outputFormatHGVS = outputFormat{Filename: "out.csv", Print: printHGVS}
39 outputFormatHGVSOneHot = outputFormat{Filename: "out.csv", Print: printHGVSOneHot}
40 outputFormatVCF = outputFormat{Filename: "out.vcf", Print: printVCF, PadLeft: true}
43 type exporter struct {
44 outputFormat outputFormat
49 func (cmd *exporter) RunCommand(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
53 fmt.Fprintf(stderr, "%s\n", err)
56 flags := flag.NewFlagSet("", flag.ContinueOnError)
57 flags.SetOutput(stderr)
58 pprof := flags.String("pprof", "", "serve Go profile data at http://`[addr]:port`")
59 pprofdir := flags.String("pprof-dir", "", "write Go profile data to `directory` periodically")
60 runlocal := flags.Bool("local", false, "run on local host (default: run in an arvados container)")
61 projectUUID := flags.String("project", "", "project `UUID` for output data")
62 priority := flags.Int("priority", 500, "container request priority")
63 refname := flags.String("ref", "", "reference genome `name`")
64 inputDir := flags.String("input-dir", ".", "input `directory`")
65 outputDir := flags.String("output-dir", ".", "output `directory`")
66 outputFormatStr := flags.String("output-format", "hgvs", "output `format`: hgvs or vcf")
67 outputBed := flags.String("output-bed", "", "also output bed `file`")
68 flags.BoolVar(&cmd.outputPerChrom, "output-per-chromosome", true, "output one file per chromosome")
69 labelsFilename := flags.String("output-labels", "", "also output genome labels csv `file`")
70 flags.IntVar(&cmd.maxTileSize, "max-tile-size", 50000, "don't try to make annotations for tiles bigger than given `size`")
71 err = flags.Parse(args)
72 if err == flag.ErrHelp {
75 } else if err != nil {
79 err = fmt.Errorf("extra unparsed command line arguments: %q", flag.Args())
83 if f, ok := outputFormats[*outputFormatStr]; !ok {
84 err = fmt.Errorf("invalid output format %q", *outputFormatStr)
92 log.Println(http.ListenAndServe(*pprof, nil))
96 go writeProfilesPeriodically(*pprofdir)
100 if *outputDir != "." {
101 err = errors.New("cannot specify output directory in container mode: not implemented")
104 runner := arvadosContainerRunner{
105 Name: "lightning export",
106 Client: arvados.NewClientFromEnv(),
107 ProjectUUID: *projectUUID,
113 err = runner.TranslatePaths(inputDir)
117 if *outputBed != "" {
118 if strings.Contains(*outputBed, "/") {
119 err = fmt.Errorf("cannot use -output-bed filename %q containing '/' char", *outputBed)
122 *outputBed = "/mnt/output/" + *outputBed
124 runner.Args = []string{"export", "-local=true",
126 "-pprof-dir", "/mnt/output",
128 "-output-format", *outputFormatStr,
129 "-output-bed", *outputBed,
130 "-output-labels", "/mnt/output/labels.csv",
131 "-output-per-chromosome=" + fmt.Sprintf("%v", cmd.outputPerChrom),
132 "-max-tile-size", fmt.Sprintf("%d", cmd.maxTileSize),
133 "-input-dir", *inputDir,
134 "-output-dir", "/mnt/output",
137 output, err = runner.Run()
141 fmt.Fprintln(stdout, output)
145 var cgs []CompactGenome
146 tilelib := &tileLibrary{
148 retainTileSequences: true,
149 compactGenomes: map[string][]tileVariantID{},
151 err = tilelib.LoadDir(context.Background(), *inputDir, nil)
156 refseq, ok := tilelib.refseqs[*refname]
158 err = fmt.Errorf("reference name %q not found in input; have %v", *refname, func() (names []string) {
159 for name := range tilelib.refseqs {
160 names = append(names, name)
167 names := cgnames(tilelib)
168 for _, name := range names {
169 cgs = append(cgs, CompactGenome{Name: name, Variants: tilelib.compactGenomes[name]})
171 if *labelsFilename != "" {
172 log.Infof("writing labels to %s", *labelsFilename)
174 f, err = os.OpenFile(*labelsFilename, os.O_CREATE|os.O_WRONLY, 0777)
179 for i, name := range names {
180 _, err = fmt.Fprintf(f, "%d,%q,%q\n", i, trimFilenameForLabel(name), cmd.outputFormat.Filename)
182 err = fmt.Errorf("write %s: %w", *labelsFilename, err)
188 err = fmt.Errorf("close %s: %w", *labelsFilename, err)
195 var bedbufw *bufio.Writer
196 if *outputBed != "" {
197 bedfile, err = os.OpenFile(*outputBed, os.O_CREATE|os.O_WRONLY, 0666)
201 defer bedfile.Close()
202 bedbufw = bufio.NewWriterSize(bedfile, 16*1024*1024)
206 err = cmd.export(*outputDir, bedout, tilelib, refseq, cgs)
211 err = bedbufw.Flush()
215 err = bedfile.Close()
223 func (cmd *exporter) export(outdir string, bedout io.Writer, tilelib *tileLibrary, refseq map[string][]tileLibRef, cgs []CompactGenome) error {
224 var seqnames []string
225 var missing []tileLibRef
226 for seqname, librefs := range refseq {
227 seqnames = append(seqnames, seqname)
228 for _, libref := range librefs {
229 if libref.Variant != 0 && tilelib.TileVariantSequence(libref) == nil {
230 missing = append(missing, libref)
234 sort.Strings(seqnames)
236 if len(missing) > 0 {
237 if limit := 100; len(missing) > limit {
238 log.Warnf("first %d missing tiles: %v", limit, missing[:limit])
240 log.Warnf("missing tiles: %v", missing)
242 return fmt.Errorf("%d needed tiles are missing from library", len(missing))
245 outw := make([]io.WriteCloser, len(seqnames))
246 bedw := make([]io.WriteCloser, len(seqnames))
248 var merges sync.WaitGroup
249 merge := func(dst io.Writer, src []io.WriteCloser, label string) {
251 for i, seqname := range seqnames {
258 log.Infof("writing %s %s", seqname, label)
259 scanner := bufio.NewScanner(pr)
262 dst.Write(scanner.Bytes())
263 dst.Write([]byte{'\n'})
266 log.Infof("writing %s %s done", seqname, label)
270 if cmd.outputPerChrom {
271 for i, seqname := range seqnames {
272 f, err := os.OpenFile(filepath.Join(outdir, strings.Replace(cmd.outputFormat.Filename, ".", "."+seqname+".", 1)), os.O_CREATE|os.O_WRONLY, 0666)
277 log.Infof("writing %q", f.Name())
281 fnm := filepath.Join(outdir, cmd.outputFormat.Filename)
282 log.Infof("writing %q", fnm)
283 out, err := os.OpenFile(fnm, os.O_CREATE|os.O_WRONLY, 0666)
288 merge(out, outw, "output")
291 merge(bedout, bedw, "bed")
294 throttle := throttle{Max: runtime.NumCPU()}
295 log.Infof("assembling %d sequences in %d goroutines", len(seqnames), throttle.Max)
296 for seqidx, seqname := range seqnames {
297 seqidx, seqname := seqidx, seqname
302 defer throttle.Release()
307 outwb := bufio.NewWriterSize(outw, 8*1024*1024)
309 cmd.exportSeq(outwb, bedw, tilelib.taglib.keylen, seqname, refseq[seqname], tilelib, cgs)
318 // Align genome tiles to reference tiles, write diffs to outw, and (if
319 // bedw is not nil) write tile coverage to bedw.
320 func (cmd *exporter) exportSeq(outw, bedw io.Writer, taglen int, seqname string, reftiles []tileLibRef, tilelib *tileLibrary, cgs []CompactGenome) {
322 progressbar := time.NewTicker(time.Minute)
323 defer progressbar.Stop()
324 var outmtx sync.Mutex
327 variantAt := map[int][]hgvs.Variant{} // variantAt[chromOffset][genomeIndex*2+phase]
328 for refstep, libref := range reftiles {
330 case <-progressbar.C:
333 fin := t0.Add(time.Now().Sub(t0) * time.Duration(len(reftiles)) / time.Duration(refstep))
334 eta = fmt.Sprintf("%v (%v)", fin.Format(time.RFC3339), fin.Sub(time.Now()))
338 log.Printf("exportSeq: %s: refstep %d of %d, %.0f/s, ETA %v", seqname, refstep, len(reftiles), float64(refstep)/time.Now().Sub(t0).Seconds(), eta)
341 refseq := tilelib.TileVariantSequence(libref)
342 tagcoverage := 0 // number of times the start tag was found in genomes -- max is len(cgs)*2
343 for cgidx, cg := range cgs {
344 for phase := 0; phase < 2; phase++ {
345 if len(cg.Variants) <= int(libref.Tag)*2+phase {
348 variant := cg.Variants[int(libref.Tag)*2+phase]
353 if variant == libref.Variant {
356 genomeseq := tilelib.TileVariantSequence(tileLibRef{Tag: libref.Tag, Variant: variant})
357 if len(genomeseq) == 0 {
358 // Hash is known but sequence
359 // is not, e.g., retainNoCalls
360 // was false during import
363 if len(genomeseq) > cmd.maxTileSize {
366 refSequence := refseq
367 // If needed, extend the reference
368 // sequence up to the tag at the end
369 // of the genomeseq sequence.
370 refstepend := refstep + 1
371 for refstepend < len(reftiles) && len(refSequence) >= taglen && !bytes.EqualFold(refSequence[len(refSequence)-taglen:], genomeseq[len(genomeseq)-taglen:]) && len(refSequence) <= cmd.maxTileSize {
372 if &refSequence[0] == &refseq[0] {
373 refSequence = append([]byte(nil), refSequence...)
375 refSequence = append(refSequence, tilelib.TileVariantSequence(reftiles[refstepend])...)
378 // (TODO: handle no-calls)
379 vars, _ := hgvs.Diff(strings.ToUpper(string(refSequence)), strings.ToUpper(string(genomeseq)), time.Second)
380 for _, v := range vars {
381 if cmd.outputFormat.PadLeft {
385 varslice := variantAt[v.Position]
387 varslice = make([]hgvs.Variant, len(cgs)*2)
388 variantAt[v.Position] = varslice
390 varslice[cgidx*2+phase] = v
394 refpos += len(refseq) - taglen
396 // Flush entries from variantAt that are behind
397 // refpos. Flush all entries if this is the last
398 // reftile of the path/chromosome.
399 flushpos := make([]int, 0, len(variantAt))
400 lastrefstep := refstep == len(reftiles)-1
401 for pos := range variantAt {
402 if lastrefstep || pos <= refpos {
403 flushpos = append(flushpos, pos)
406 sort.Slice(flushpos, func(i, j int) bool { return flushpos[i] < flushpos[j] })
407 flushvariants := make([][]hgvs.Variant, len(flushpos))
408 for i, pos := range flushpos {
409 varslice := variantAt[pos]
410 delete(variantAt, pos)
411 for i := range varslice {
412 if varslice[i].Position == 0 {
413 varslice[i].Position = pos
416 flushvariants[i] = varslice
420 defer outmtx.Unlock()
421 for _, varslice := range flushvariants {
422 cmd.outputFormat.Print(outw, seqname, varslice)
425 if bedw != nil && len(refseq) > 0 {
426 tilestart := refpos - len(refseq) + taglen
431 thickstart := tilestart + taglen
437 // coverage score, 0 to 1000
440 score = 1000 * tagcoverage / len(cgs) / 2
443 fmt.Fprintf(bedw, "%s %d %d %d %d . %d %d\n",
444 seqname, tilestart, tileend,
447 thickstart, thickend)
452 func printVCF(out io.Writer, seqname string, varslice []hgvs.Variant) {
453 refs := map[string]map[string]int{}
454 for _, v := range varslice {
455 if v.Ref == "" && v.New == "" {
460 alts = map[string]int{}
465 for ref, alts := range refs {
466 var altslice []string
467 for alt := range alts {
468 altslice = append(altslice, alt)
470 sort.Strings(altslice)
471 for i, a := range altslice {
474 fmt.Fprintf(out, "%s\t%d\t%s\t%s", seqname, varslice[0].Position, ref, strings.Join(altslice, ","))
475 for i := 0; i < len(varslice); i += 2 {
476 v1, v2 := varslice[i], varslice[i+1]
477 a1, a2 := alts[v1.New], alts[v2.New]
484 fmt.Fprintf(out, "\t%d/%d", a1, a2)
486 out.Write([]byte{'\n'})
490 func printHGVS(out io.Writer, seqname string, varslice []hgvs.Variant) {
491 for i := 0; i < len(varslice)/2; i++ {
493 out.Write([]byte{'\t'})
495 var1, var2 := varslice[i*2], varslice[i*2+1]
497 if var1.Ref == var1.New {
498 out.Write([]byte{'.'})
500 fmt.Fprintf(out, "%s:g.%s", seqname, var1.String())
503 fmt.Fprintf(out, "%s:g.[%s];[%s]", seqname, var1.String(), var2.String())
506 out.Write([]byte{'\n'})
509 func printHGVSOneHot(out io.Writer, seqname string, varslice []hgvs.Variant) {
510 vars := map[hgvs.Variant]bool{}
511 for _, v := range varslice {
517 // sort variants to ensure output is deterministic
518 sorted := make([]hgvs.Variant, 0, len(vars))
519 for v := range vars {
520 sorted = append(sorted, v)
522 sort.Slice(sorted, func(a, b int) bool { return hgvs.Less(sorted[a], sorted[b]) })
524 for _, v := range sorted {
525 fmt.Fprintf(out, "%s.%s", seqname, v.String())
526 for i := 0; i < len(varslice); i += 2 {
527 if varslice[i] == v || varslice[i+1] == v {
528 out.Write([]byte("\t1"))
530 out.Write([]byte("\t0"))
533 out.Write([]byte{'\n'})