URI: 
       resources: Cache Exif data to disk - hugo - [fork] hugo port for 9front
  HTML git clone git@git.drkhsh.at/hugo.git
   DIR Log
   DIR Files
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   DIR Submodules
   DIR README
   DIR LICENSE
       ---
   DIR commit ce47c21a2998630f8edcbd056983d9c59a80b676
   DIR parent de9cbf61954201943a7b170a7d0a8b34afb5942c
  HTML Author: Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
       Date:   Sun,  1 Sep 2019 17:27:21 +0200
       
       resources: Cache Exif data to disk
       
       ```bash
       name                        old time/op    new time/op    delta
       ImageExif/Cold_cache-4         312µs ±28%     355µs ± 7%     ~     (p=0.343 n=4+4)
       ImageExif/Cold_cache,_10-4     479µs ± 6%     546µs ± 0%  +13.91%  (p=0.029 n=4+4)
       ImageExif/Warm_cache-4         272µs ± 1%      81µs ± 5%  -70.30%  (p=0.029 n=4+4)
       
       name                        old alloc/op   new alloc/op   delta
       ImageExif/Cold_cache-4         151kB ± 0%     161kB ± 0%   +6.46%  (p=0.029 n=4+4)
       ImageExif/Cold_cache,_10-4     179kB ± 0%     189kB ± 0%   +5.49%  (p=0.029 n=4+4)
       ImageExif/Warm_cache-4         151kB ± 0%      13kB ± 0%  -91.52%  (p=0.029 n=4+4)
       
       name                        old allocs/op  new allocs/op  delta
       ImageExif/Cold_cache-4         1.03k ± 0%     1.21k ± 0%  +17.78%  (p=0.029 n=4+4)
       ImageExif/Cold_cache,_10-4     1.65k ± 0%     1.83k ± 0%  +11.09%  (p=0.029 n=4+4)
       ImageExif/Warm_cache-4         1.03k ± 0%     0.28k ± 0%  -72.40%  (p=0.029 n=4+4)
       ```
       
       Fixes #6291
       
       Diffstat:
         M go.mod                              |       4 +++-
         M go.sum                              |       6 ++++++
         M hugolib/config.go                   |       2 +-
         M resources/image.go                  |      84 +++++++++++++++++++++++++------
         M resources/image_test.go             |      50 +++++++++++++++++++++----------
         M resources/images/exif/exif.go       |      39 +++++++++++++++++++++++++++----
         M resources/images/exif/exif_test.go  |      26 ++++++++++++++++++++++++--
       
       7 files changed, 171 insertions(+), 40 deletions(-)
       ---
   DIR diff --git a/go.mod b/go.mod
       @@ -12,6 +12,7 @@ require (
                github.com/bep/debounce v1.2.0
                github.com/bep/gitmap v1.1.0
                github.com/bep/go-tocss v0.6.0
       +        github.com/bep/tmc v0.5.0
                github.com/disintegration/gift v1.2.1
                github.com/dustin/go-humanize v1.0.0
                github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385
       @@ -20,7 +21,7 @@ require (
                github.com/fsnotify/fsnotify v1.4.7
                github.com/gobwas/glob v0.2.3
                github.com/gohugoio/testmodBuilder/mods v0.0.0-20190520184928-c56af20f2e95
       -        github.com/google/go-cmp v0.3.0
       +        github.com/google/go-cmp v0.3.1
                github.com/gorilla/websocket v1.4.0
                github.com/jdkato/prose v1.1.0
                github.com/kyokomi/emoji v1.5.1
       @@ -63,6 +64,7 @@ require (
                golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7 // indirect
                google.golang.org/appengine v1.6.0 // indirect
                google.golang.org/genproto v0.0.0-20190522204451-c2c4e71fbf69 // indirect
       +        gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
                gopkg.in/yaml.v2 v2.2.2
        )
        
   DIR diff --git a/go.sum b/go.sum
       @@ -65,6 +65,8 @@ github.com/bep/gitmap v1.1.0 h1:vOMIdVB+2gd1VbfJPNJdLqAmn0af6NK98t4fK/GoCdA=
        github.com/bep/gitmap v1.1.0/go.mod h1:g9VRETxFUXNWzMiuxOwcudo6DfZkW9jOsOW0Ft4kYaY=
        github.com/bep/go-tocss v0.6.0 h1:lJf+nIjsQDpifUr+NgHi9QMBnrr9cFvMvEBT+uV9Q9E=
        github.com/bep/go-tocss v0.6.0/go.mod h1:d9d3crzlTl+PUZLFzBUjfFCpp68K+ku10mzTlnqU/+A=
       +github.com/bep/tmc v0.5.0 h1:AP43LlBcCeJuXqwuQkVbTUOG6gQCo04Et4dHqOOx4hA=
       +github.com/bep/tmc v0.5.0/go.mod h1:tGYHN8fS85aJPhDLgXETVKp+PR382OvFi2+q2GkGsq0=
        github.com/census-instrumentation/opencensus-proto v0.2.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
        github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
        github.com/cheekybits/is v0.0.0-20150225183255-68e9c0620927 h1:SKI1/fuSdodxmNNyVBR8d7X/HuLnRpvvFO0AgyQk764=
       @@ -138,6 +140,8 @@ github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
        github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
        github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY=
        github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
       +github.com/google/go-cmp v0.3.1 h1:Xye71clBPdm5HgqGwUkwhbynsUJZhDbS20FvLhQ2izg=
       +github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
        github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no=
        github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
        github.com/google/martian v2.1.1-0.20190517191504-25dcb96d9e51+incompatible h1:xmapqc1AyLoB+ddYT6r04bD9lIjlOqGaREovi0SzFaE=
       @@ -449,6 +453,8 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8
        gopkg.in/check.v1 v1.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
        gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
        gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
       +gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
       +gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
        gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
        gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
        gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
   DIR diff --git a/hugolib/config.go b/hugolib/config.go
       @@ -631,7 +631,7 @@ func loadDefaultSettingsFor(v *viper.Viper) error {
                v.SetDefault("disableAliases", false)
                v.SetDefault("debug", false)
                v.SetDefault("disableFastRender", false)
       -        v.SetDefault("timeout", 10000) // 10 seconds
       +        v.SetDefault("timeout", 15000) // 15 seconds
                v.SetDefault("enableInlineShortcodes", false)
        
                return nil
   DIR diff --git a/resources/image.go b/resources/image.go
       @@ -14,15 +14,20 @@
        package resources
        
        import (
       +        "encoding/json"
                "fmt"
                "image"
                "image/draw"
                _ "image/gif"
                _ "image/png"
       +        "io"
       +        "io/ioutil"
                "os"
       +        "path"
                "strings"
                "sync"
        
       +        "github.com/gohugoio/hugo/cache/filecache"
                "github.com/gohugoio/hugo/resources/images/exif"
        
                "github.com/gohugoio/hugo/resources/internal"
       @@ -55,43 +60,81 @@ type imageResource struct {
                // original (first).
                root *imageResource
        
       -        exifInit    sync.Once
       -        exifInitErr error
       -        exif        *exif.Exif
       +        metaInit    sync.Once
       +        metaInitErr error
       +        meta        *imageMeta
        
                baseResource
        }
        
       +type imageMeta struct {
       +        Exif *exif.Exif
       +}
       +
        func (i *imageResource) Exif() (*exif.Exif, error) {
                return i.root.getExif()
        }
        
        func (i *imageResource) getExif() (*exif.Exif, error) {
        
       -        i.exifInit.Do(func() {
       +        i.metaInit.Do(func() {
       +
                        supportsExif := i.Format == images.JPEG || i.Format == images.TIFF
                        if !supportsExif {
                                return
       +
                        }
        
       -                f, err := i.root.ReadSeekCloser()
       -                if err != nil {
       -                        i.exifInitErr = err
       -                        return
       +                key := i.getImageMetaCacheTargetPath()
       +
       +                read := func(info filecache.ItemInfo, r io.Reader) error {
       +                        meta := &imageMeta{}
       +                        data, err := ioutil.ReadAll(r)
       +                        if err != nil {
       +                                return err
       +                        }
       +
       +                        if err = json.Unmarshal(data, &meta); err != nil {
       +                                return err
       +                        }
       +
       +                        i.meta = meta
       +
       +                        return nil
                        }
       -                defer f.Close()
        
       -                x, err := i.getSpec().imaging.DecodeExif(f)
       -                if err != nil {
       -                        i.exifInitErr = err
       -                        return
       +                create := func(info filecache.ItemInfo, w io.WriteCloser) (err error) {
       +
       +                        f, err := i.root.ReadSeekCloser()
       +                        if err != nil {
       +                                i.metaInitErr = err
       +                                return
       +                        }
       +                        defer f.Close()
       +
       +                        x, err := i.getSpec().imaging.DecodeExif(f)
       +                        if err != nil {
       +                                i.metaInitErr = err
       +                                return
       +                        }
       +
       +                        i.meta = &imageMeta{Exif: x}
       +
       +                        // Also write it to cache
       +                        enc := json.NewEncoder(w)
       +                        return enc.Encode(i.meta)
       +
                        }
        
       -                i.exif = x
       +                _, i.metaInitErr = i.getSpec().imageCache.fileCache.ReadOrCreate(key, read, create)
        
                })
        
       -        return i.exif, i.exifInitErr
       +        if i.metaInitErr != nil {
       +                return nil, i.metaInitErr
       +        }
       +
       +        return i.meta.Exif, nil
        }
        
        func (i *imageResource) Clone() resource.Resource {
       @@ -271,6 +314,17 @@ func (i *imageResource) setBasePath(conf images.ImageConfig) {
                i.getResourcePaths().relTargetDirFile = i.relTargetPathFromConfig(conf)
        }
        
       +func (i *imageResource) getImageMetaCacheTargetPath() string {
       +        const imageMetaVersionNumber = 1 // Increment to invalidate the meta cache
       +
       +        cfg := i.getSpec().imaging.Cfg
       +        df := i.getResourcePaths().relTargetDirFile
       +        p1, _ := helpers.FileAndExt(df.file)
       +        h, _ := i.hash()
       +        idStr := internal.HashString(h, i.size(), imageMetaVersionNumber, cfg)
       +        return path.Join(df.dir, fmt.Sprintf("%s%s.json", p1, idStr))
       +}
       +
        func (i *imageResource) relTargetPathFromConfig(conf images.ImageConfig) dirFile {
                p1, p2 := helpers.FileAndExt(i.getResourcePaths().relTargetDirFile.file)
                if conf.Action == "trace" {
   DIR diff --git a/resources/image_test.go b/resources/image_test.go
       @@ -15,6 +15,7 @@ package resources
        
        import (
                "fmt"
       +        "math/big"
                "math/rand"
                "os"
                "path/filepath"
       @@ -22,6 +23,7 @@ import (
                "strconv"
                "sync"
                "testing"
       +        "time"
        
                "github.com/spf13/afero"
        
       @@ -50,6 +52,14 @@ var eq = qt.CmpEquals(
                cmp.Comparer(func(m1, m2 media.Type) bool {
                        return m1.Type() == m2.Type()
                }),
       +        cmp.Comparer(
       +                func(v1, v2 *big.Rat) bool {
       +                        return v1.RatString() == v2.RatString()
       +                },
       +        ),
       +        cmp.Comparer(func(v1, v2 time.Time) bool {
       +                return v1.Unix() == v2.Unix()
       +        }),
        )
        
        func TestImageTransformBasic(t *testing.T) {
       @@ -336,27 +346,35 @@ func TestSVGImageContent(t *testing.T) {
        
        func TestImageExif(t *testing.T) {
                c := qt.New(t)
       -        image := fetchImage(c, "sunset.jpg")
       +        fs := afero.NewMemMapFs()
       +        spec := newTestResourceSpec(specDescriptor{fs: fs, c: c})
       +        image := fetchResourceForSpec(spec, c, "sunset.jpg").(resource.Image)
        
       -        x, err := image.Exif()
       -        c.Assert(err, qt.IsNil)
       -        c.Assert(x, qt.Not(qt.IsNil))
       +        getAndCheckExif := func(c *qt.C, image resource.Image) {
       +                x, err := image.Exif()
       +                c.Assert(err, qt.IsNil)
       +                c.Assert(x, qt.Not(qt.IsNil))
        
       -        c.Assert(x.Date.Format("2006-01-02"), qt.Equals, "2017-10-27")
       +                c.Assert(x.Date.Format("2006-01-02"), qt.Equals, "2017-10-27")
        
       -        // Malaga: https://goo.gl/taazZy
       -        c.Assert(x.Lat, qt.Equals, float64(36.59744166666667))
       -        c.Assert(x.Long, qt.Equals, float64(-4.50846))
       +                // Malaga: https://goo.gl/taazZy
       +                c.Assert(x.Lat, qt.Equals, float64(36.59744166666667))
       +                c.Assert(x.Long, qt.Equals, float64(-4.50846))
        
       -        v, found := x.Values["LensModel"]
       -        c.Assert(found, qt.Equals, true)
       -        lensModel, ok := v.(string)
       -        c.Assert(ok, qt.Equals, true)
       -        c.Assert(lensModel, qt.Equals, "smc PENTAX-DA* 16-50mm F2.8 ED AL [IF] SDM")
       +                v, found := x.Tags["LensModel"]
       +                c.Assert(found, qt.Equals, true)
       +                lensModel, ok := v.(string)
       +                c.Assert(ok, qt.Equals, true)
       +                c.Assert(lensModel, qt.Equals, "smc PENTAX-DA* 16-50mm F2.8 ED AL [IF] SDM")
       +                resized, _ := image.Resize("300x200")
       +                x2, _ := resized.Exif()
       +                c.Assert(x2, eq, x)
       +        }
        
       -        resized, _ := image.Resize("300x200")
       -        x2, _ := resized.Exif()
       -        c.Assert(x2, qt.Equals, x)
       +        getAndCheckExif(c, image)
       +        image = fetchResourceForSpec(spec, c, "sunset.jpg").(resource.Image)
       +        // This will read from file cache.
       +        getAndCheckExif(c, image)
        
        }
        
   DIR diff --git a/resources/images/exif/exif.go b/resources/images/exif/exif.go
       @@ -24,6 +24,8 @@ import (
                "unicode"
                "unicode/utf8"
        
       +        "github.com/bep/tmc"
       +
                _exif "github.com/rwcarlsen/goexif/exif"
                "github.com/rwcarlsen/goexif/tiff"
        )
       @@ -31,10 +33,10 @@ import (
        const exifTimeLayout = "2006:01:02 15:04:05"
        
        type Exif struct {
       -        Lat    float64
       -        Long   float64
       -        Date   time.Time
       -        Values map[string]interface{}
       +        Lat  float64
       +        Long float64
       +        Date time.Time
       +        Tags Tags
        }
        
        type Decoder struct {
       @@ -139,7 +141,7 @@ func (d *Decoder) Decode(r io.Reader) (ex *Exif, err error) {
                        return
                }
        
       -        ex = &Exif{Lat: lat, Long: long, Date: tm, Values: walker.vals}
       +        ex = &Exif{Lat: lat, Long: long, Date: tm, Tags: walker.vals}
        
                return
        }
       @@ -240,3 +242,30 @@ func nullString(in []byte) string {
        
                return ""
        }
       +
       +var tcodec *tmc.Codec
       +
       +func init() {
       +        var err error
       +        tcodec, err = tmc.New()
       +        if err != nil {
       +                panic(err)
       +        }
       +}
       +
       +type Tags map[string]interface{}
       +
       +func (v *Tags) UnmarshalJSON(b []byte) error {
       +        vv := make(map[string]interface{})
       +        if err := tcodec.Unmarshal(b, &vv); err != nil {
       +                return err
       +        }
       +
       +        *v = vv
       +
       +        return nil
       +}
       +
       +func (v Tags) MarshalJSON() ([]byte, error) {
       +        return tcodec.Marshal(v)
       +}
   DIR diff --git a/resources/images/exif/exif_test.go b/resources/images/exif/exif_test.go
       @@ -14,12 +14,15 @@
        package exif
        
        import (
       +        "encoding/json"
       +        "math/big"
                "os"
                "path/filepath"
                "testing"
                "time"
        
                "github.com/gohugoio/hugo/htesting/hqt"
       +        "github.com/google/go-cmp/cmp"
        
                qt "github.com/frankban/quicktest"
        )
       @@ -40,16 +43,24 @@ func TestExif(t *testing.T) {
                c.Assert(x.Lat, qt.Equals, float64(36.59744166666667))
                c.Assert(x.Long, qt.Equals, float64(-4.50846))
        
       -        v, found := x.Values["LensModel"]
       +        v, found := x.Tags["LensModel"]
                c.Assert(found, qt.Equals, true)
                lensModel, ok := v.(string)
                c.Assert(ok, qt.Equals, true)
                c.Assert(lensModel, qt.Equals, "smc PENTAX-DA* 16-50mm F2.8 ED AL [IF] SDM")
        
       -        v, found = x.Values["DateTime"]
       +        v, found = x.Tags["DateTime"]
                c.Assert(found, qt.Equals, true)
                c.Assert(v, hqt.IsSameType, time.Time{})
        
       +        // Verify that it survives a round-trip to JSON and back.
       +        data, err := json.Marshal(x)
       +        c.Assert(err, qt.IsNil)
       +        x2 := &Exif{}
       +        err = json.Unmarshal(data, x2)
       +
       +        c.Assert(x2, eq, x)
       +
        }
        
        func TestExifPNG(t *testing.T) {
       @@ -81,3 +92,14 @@ func BenchmarkDecodeExif(b *testing.B) {
                        f.Seek(0, 0)
                }
        }
       +
       +var eq = qt.CmpEquals(
       +        cmp.Comparer(
       +                func(v1, v2 *big.Rat) bool {
       +                        return v1.RatString() == v2.RatString()
       +                },
       +        ),
       +        cmp.Comparer(func(v1, v2 time.Time) bool {
       +                return v1.Unix() == v2.Unix()
       +        }),
       +)