mirror of
https://github.com/mudler/LocalAI.git
synced 2024-06-07 19:40:48 +00:00
98 lines
2.6 KiB
Go
98 lines
2.6 KiB
Go
package gallery
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import (
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"fmt"
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"os"
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"path/filepath"
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"github.com/go-skynet/LocalAI/pkg/utils"
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"github.com/imdario/mergo"
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"gopkg.in/yaml.v2"
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)
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type Gallery struct {
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URL string `json:"url" yaml:"url"`
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Name string `json:"name" yaml:"name"`
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}
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// Installs a model from the gallery (galleryname@modelname)
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func InstallModelFromGallery(galleries []Gallery, name string, basePath string, req GalleryModel, downloadStatus func(string, string, string, float64)) error {
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models, err := AvailableGalleryModels(galleries, basePath)
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if err != nil {
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return err
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}
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applyModel := func(model *GalleryModel) error {
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config, err := GetGalleryConfigFromURL(model.URL)
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if err != nil {
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return err
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}
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if req.Name != "" {
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model.Name = req.Name
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}
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config.Files = append(config.Files, req.AdditionalFiles...)
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config.Files = append(config.Files, model.AdditionalFiles...)
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// TODO model.Overrides could be merged with user overrides (not defined yet)
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if err := mergo.Merge(&model.Overrides, req.Overrides, mergo.WithOverride); err != nil {
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return err
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}
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if err := InstallModel(basePath, model.Name, &config, model.Overrides, downloadStatus); err != nil {
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return err
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}
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return nil
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}
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for _, model := range models {
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if name == fmt.Sprintf("%s@%s", model.Gallery.Name, model.Name) {
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return applyModel(model)
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}
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}
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return fmt.Errorf("no model found with name %q", name)
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}
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// List available models
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// Models galleries are a list of json files that are hosted on a remote server (for example github).
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// Each json file contains a list of models that can be downloaded and optionally overrides to define a new model setting.
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func AvailableGalleryModels(galleries []Gallery, basePath string) ([]*GalleryModel, error) {
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var models []*GalleryModel
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// Get models from galleries
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for _, gallery := range galleries {
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galleryModels, err := getGalleryModels(gallery, basePath)
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if err != nil {
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return nil, err
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}
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models = append(models, galleryModels...)
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}
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return models, nil
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}
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func getGalleryModels(gallery Gallery, basePath string) ([]*GalleryModel, error) {
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var models []*GalleryModel = []*GalleryModel{}
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err := utils.GetURI(gallery.URL, func(url string, d []byte) error {
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return yaml.Unmarshal(d, &models)
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})
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if err != nil {
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return models, err
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}
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// Add gallery to models
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for _, model := range models {
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model.Gallery = gallery
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// we check if the model was already installed by checking if the config file exists
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// TODO: (what to do if the model doesn't install a config file?)
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if _, err := os.Stat(filepath.Join(basePath, fmt.Sprintf("%s.yaml", model.Name))); err == nil {
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model.Installed = true
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}
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}
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return models, nil
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}
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