20 "git.arvados.org/arvados.git/sdk/go/arvados"
21 "github.com/arvados/lightning/hgvs"
22 log "github.com/sirupsen/logrus"
25 type outputFormat struct {
26 Print func(out io.Writer, seqname string, varslice []hgvs.Variant)
31 outputFormats = map[string]outputFormat{
32 "hgvs-onehot": outputFormatHGVSOneHot,
33 "hgvs": outputFormatHGVS,
34 "vcf": outputFormatVCF,
36 outputFormatHGVS = outputFormat{Print: printHGVS}
37 outputFormatHGVSOneHot = outputFormat{Print: printHGVSOneHot}
38 outputFormatVCF = outputFormat{Print: printVCF, PadLeft: true}
41 type exporter struct {
42 outputFormat outputFormat
45 func (cmd *exporter) RunCommand(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
49 fmt.Fprintf(stderr, "%s\n", err)
52 flags := flag.NewFlagSet("", flag.ContinueOnError)
53 flags.SetOutput(stderr)
54 pprof := flags.String("pprof", "", "serve Go profile data at http://`[addr]:port`")
55 runlocal := flags.Bool("local", false, "run on local host (default: run in an arvados container)")
56 projectUUID := flags.String("project", "", "project `UUID` for output data")
57 priority := flags.Int("priority", 500, "container request priority")
58 refname := flags.String("ref", "", "reference genome `name`")
59 inputFilename := flags.String("i", "-", "input `file` (library)")
60 outputFilename := flags.String("o", "-", "output `file`")
61 outputFormatStr := flags.String("output-format", "hgvs", "output `format`: hgvs or vcf")
62 outputBed := flags.String("output-bed", "", "also output bed `file`")
63 labelsFilename := flags.String("output-labels", "", "also output genome labels csv `file`")
64 err = flags.Parse(args)
65 if err == flag.ErrHelp {
68 } else if err != nil {
72 if f, ok := outputFormats[*outputFormatStr]; !ok {
73 err = fmt.Errorf("invalid output format %q", *outputFormatStr)
81 log.Println(http.ListenAndServe(*pprof, nil))
86 if *outputFilename != "-" {
87 err = errors.New("cannot specify output file in container mode: not implemented")
90 runner := arvadosContainerRunner{
91 Name: "lightning export",
92 Client: arvados.NewClientFromEnv(),
93 ProjectUUID: *projectUUID,
98 err = runner.TranslatePaths(inputFilename)
102 if *outputBed != "" {
103 if strings.Contains(*outputBed, "/") {
104 err = fmt.Errorf("cannot use -output-bed filename %q containing '/' char", *outputBed)
107 *outputBed = "/mnt/output/" + *outputBed
109 runner.Args = []string{"export", "-local=true",
111 "-output-format", *outputFormatStr,
112 "-output-bed", *outputBed,
113 "-output-labels", "/mnt/output/labels.csv",
114 "-i", *inputFilename,
115 "-o", "/mnt/output/export.csv",
118 output, err = runner.Run()
122 fmt.Fprintln(stdout, output+"/export.csv")
126 in, err := open(*inputFilename)
131 input, ok := in.(io.ReadSeeker)
133 err = fmt.Errorf("%s: %T cannot seek", *inputFilename, in)
137 // Error out early if seeking doesn't work on the input file.
138 _, err = input.Seek(0, io.SeekEnd)
142 _, err = input.Seek(0, io.SeekStart)
147 var cgs []CompactGenome
148 tilelib := &tileLibrary{
150 compactGenomes: map[string][]tileVariantID{},
152 err = tilelib.LoadGob(context.Background(), input, strings.HasSuffix(*inputFilename, ".gz"), nil)
157 refseq, ok := tilelib.refseqs[*refname]
159 err = fmt.Errorf("reference name %q not found in input; have %v", *refname, func() (names []string) {
160 for name := range tilelib.refseqs {
161 names = append(names, name)
168 names := cgnames(tilelib)
169 for _, name := range names {
170 cgs = append(cgs, CompactGenome{Name: name, Variants: tilelib.compactGenomes[name]})
172 if *labelsFilename != "" {
173 log.Infof("writing labels to %s", *labelsFilename)
175 f, err = os.OpenFile(*labelsFilename, os.O_CREATE|os.O_WRONLY, 0777)
180 _, outBasename := path.Split(*outputFilename)
181 for i, name := range names {
182 _, err = fmt.Fprintf(f, "%d,%q,%q\n", i, trimFilenameForLabel(name), outBasename)
184 err = fmt.Errorf("write %s: %w", *labelsFilename, err)
190 err = fmt.Errorf("close %s: %w", *labelsFilename, err)
195 _, err = input.Seek(0, io.SeekStart)
200 var output io.WriteCloser
201 if *outputFilename == "-" {
202 output = nopCloser{stdout}
204 output, err = os.OpenFile(*outputFilename, os.O_CREATE|os.O_WRONLY, 0666)
210 bufw := bufio.NewWriter(output)
213 var bedbufw *bufio.Writer
214 if *outputBed != "" {
215 bedout, err = os.OpenFile(*outputBed, os.O_CREATE|os.O_WRONLY, 0666)
220 bedbufw = bufio.NewWriter(bedout)
223 err = cmd.export(bufw, bedout, input, strings.HasSuffix(*inputFilename, ".gz"), tilelib, refseq, cgs)
236 err = bedbufw.Flush()
252 func (cmd *exporter) export(out, bedout io.Writer, librdr io.Reader, gz bool, tilelib *tileLibrary, refseq map[string][]tileLibRef, cgs []CompactGenome) error {
253 need := map[tileLibRef]bool{}
254 var seqnames []string
255 for seqname, librefs := range refseq {
256 seqnames = append(seqnames, seqname)
257 for _, libref := range librefs {
258 if libref.Variant != 0 {
263 sort.Strings(seqnames)
265 for _, cg := range cgs {
266 for i, variant := range cg.Variants {
270 libref := tileLibRef{Tag: tagID(i / 2), Variant: variant}
275 log.Infof("export: loading %d tile variants", len(need))
276 tileVariant := map[tileLibRef]TileVariant{}
277 err := DecodeLibrary(librdr, gz, func(ent *LibraryEntry) error {
278 for _, tv := range ent.TileVariants {
279 libref := tilelib.getRef(tv.Tag, tv.Sequence)
281 tileVariant[libref] = tv
290 log.Infof("export: loaded %d tile variants", len(tileVariant))
291 var missing []tileLibRef
292 for libref := range need {
293 if _, ok := tileVariant[libref]; !ok {
294 missing = append(missing, libref)
297 if len(missing) > 0 {
298 if limit := 100; len(missing) > limit {
299 log.Warnf("first %d missing tiles: %v", limit, missing[:limit])
301 log.Warnf("missing tiles: %v", missing)
303 return fmt.Errorf("%d needed tiles are missing from library", len(missing))
308 for _, seqname := range seqnames {
309 log.Infof("assembling %q", seqname)
310 cmd.exportSeq(out, bedout, tilelib.taglib.keylen, seqname, refseq[seqname], tileVariant, cgs)
311 log.Infof("assembled %q", seqname)
316 outbuf := make([]bytes.Buffer, len(seqnames))
317 bedbuf := make([]bytes.Buffer, len(seqnames))
318 ready := make([]chan struct{}, len(seqnames))
319 for i := range ready {
320 ready[i] = make(chan struct{})
323 var output sync.WaitGroup
327 for i, seqname := range seqnames {
329 log.Infof("writing outbuf %s", seqname)
330 io.Copy(out, &outbuf[i])
331 log.Infof("writing outbuf %s done", seqname)
338 for i, seqname := range seqnames {
340 log.Infof("writing bedbuf %s", seqname)
341 io.Copy(bedout, &bedbuf[i])
342 log.Infof("writing bedbuf %s done", seqname)
347 throttle := throttle{Max: 8}
348 log.Infof("assembling %d sequences in %d goroutines", len(seqnames), throttle.Max)
349 for seqidx, seqname := range seqnames {
350 seqidx, seqname := seqidx, seqname
351 outbuf := &outbuf[seqidx]
352 bedbuf := &bedbuf[seqidx]
358 defer throttle.Release()
359 defer close(ready[seqidx])
360 cmd.exportSeq(outbuf, bedbuf, tilelib.taglib.keylen, seqname, refseq[seqname], tileVariant, cgs)
361 log.Infof("assembled %q to outbuf %d bedbuf %d", seqname, outbuf.Len(), bedbuf.Len())
369 // Align genome tiles to reference tiles, write diffs to outw, and (if
370 // bedw is not nil) write tile coverage to bedw.
371 func (cmd *exporter) exportSeq(outw, bedw io.Writer, taglen int, seqname string, reftiles []tileLibRef, tileVariant map[tileLibRef]TileVariant, cgs []CompactGenome) {
373 variantAt := map[int][]hgvs.Variant{} // variantAt[chromOffset][genomeIndex*2+phase]
374 for refstep, libref := range reftiles {
375 reftile := tileVariant[libref]
376 tagcoverage := 0 // number of times the start tag was found in genomes -- max is len(cgs)*2
377 for cgidx, cg := range cgs {
378 for phase := 0; phase < 2; phase++ {
379 if len(cg.Variants) <= int(libref.Tag)*2+phase {
382 variant := cg.Variants[int(libref.Tag)*2+phase]
387 if variant == libref.Variant {
390 genometile := tileVariant[tileLibRef{Tag: libref.Tag, Variant: variant}]
391 if len(genometile.Sequence) == 0 {
392 // Hash is known but sequence
393 // is not, e.g., retainNoCalls
394 // was false during import
397 refSequence := reftile.Sequence
398 // If needed, extend the reference
399 // sequence up to the tag at the end
400 // of the genometile sequence.
401 refstepend := refstep + 1
402 for refstepend < len(reftiles) && len(refSequence) >= taglen && !bytes.EqualFold(refSequence[len(refSequence)-taglen:], genometile.Sequence[len(genometile.Sequence)-taglen:]) {
403 if &refSequence[0] == &reftile.Sequence[0] {
404 refSequence = append([]byte(nil), refSequence...)
406 refSequence = append(refSequence, tileVariant[reftiles[refstepend]].Sequence...)
409 // (TODO: handle no-calls)
410 vars, _ := hgvs.Diff(strings.ToUpper(string(refSequence)), strings.ToUpper(string(genometile.Sequence)), time.Second)
411 for _, v := range vars {
412 if cmd.outputFormat.PadLeft {
416 varslice := variantAt[v.Position]
418 varslice = make([]hgvs.Variant, len(cgs)*2)
419 variantAt[v.Position] = varslice
421 varslice[cgidx*2+phase] = v
425 refpos += len(reftile.Sequence) - taglen
427 // Flush entries from variantAt that are behind
428 // refpos. Flush all entries if this is the last
429 // reftile of the path/chromosome.
431 lastrefstep := refstep == len(reftiles)-1
432 for pos := range variantAt {
433 if lastrefstep || pos <= refpos {
434 flushpos = append(flushpos, pos)
437 sort.Slice(flushpos, func(i, j int) bool { return flushpos[i] < flushpos[j] })
438 for _, pos := range flushpos {
439 varslice := variantAt[pos]
440 delete(variantAt, pos)
441 for i := range varslice {
442 if varslice[i].Position == 0 {
443 varslice[i].Position = pos
446 cmd.outputFormat.Print(outw, seqname, varslice)
448 if bedw != nil && len(reftile.Sequence) > 0 {
449 tilestart := refpos - len(reftile.Sequence) + taglen
454 thickstart := tilestart + taglen
460 // coverage score, 0 to 1000
463 score = 1000 * tagcoverage / len(cgs) / 2
466 fmt.Fprintf(bedw, "%s %d %d %d %d . %d %d\n",
467 seqname, tilestart, tileend,
470 thickstart, thickend)
475 func printVCF(out io.Writer, seqname string, varslice []hgvs.Variant) {
476 refs := map[string]map[string]int{}
477 for _, v := range varslice {
478 if v.Ref == "" && v.New == "" {
483 alts = map[string]int{}
488 for ref, alts := range refs {
489 var altslice []string
490 for alt := range alts {
491 altslice = append(altslice, alt)
493 sort.Strings(altslice)
494 for i, a := range altslice {
497 fmt.Fprintf(out, "%s\t%d\t%s\t%s", seqname, varslice[0].Position, ref, strings.Join(altslice, ","))
498 for i := 0; i < len(varslice); i += 2 {
499 v1, v2 := varslice[i], varslice[i+1]
500 a1, a2 := alts[v1.New], alts[v2.New]
507 fmt.Fprintf(out, "\t%d/%d", a1, a2)
509 out.Write([]byte{'\n'})
513 func printHGVS(out io.Writer, seqname string, varslice []hgvs.Variant) {
514 for i := 0; i < len(varslice)/2; i++ {
516 out.Write([]byte{'\t'})
518 var1, var2 := varslice[i*2], varslice[i*2+1]
520 if var1.Ref == var1.New {
521 out.Write([]byte{'.'})
523 fmt.Fprintf(out, "%s:g.%s", seqname, var1.String())
526 fmt.Fprintf(out, "%s:g.[%s];[%s]", seqname, var1.String(), var2.String())
529 out.Write([]byte{'\n'})
532 func printHGVSOneHot(out io.Writer, seqname string, varslice []hgvs.Variant) {
533 vars := map[hgvs.Variant]bool{}
534 for _, v := range varslice {
540 // sort variants to ensure output is deterministic
541 sorted := make([]hgvs.Variant, 0, len(vars))
542 for v := range vars {
543 sorted = append(sorted, v)
545 sort.Slice(sorted, func(a, b int) bool { return hgvs.Less(sorted[a], sorted[b]) })
547 for _, v := range sorted {
548 fmt.Fprintf(out, "%s.%s", seqname, v.String())
549 for i := 0; i < len(varslice); i += 2 {
550 if varslice[i] == v || varslice[i+1] == v {
551 out.Write([]byte("\t1"))
553 out.Write([]byte("\t0"))
556 out.Write([]byte{'\n'})