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Use protobuf directly when generating config (#194)
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| // Copyright 2023 Google LLC | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package custom | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "log" | ||
| "path/filepath" | ||
| "strings" | ||
|
|
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| "cloud.google.com/go/storage" | ||
| "github.com/datacommonsorg/tools/gcf/lib" | ||
| pb "github.com/datacommonsorg/tools/gcf/proto" | ||
| "github.com/pkg/errors" | ||
| "google.golang.org/protobuf/proto" | ||
| ) | ||
|
|
||
| // pathToDataFolder is the "gs://"-prefixed folder that contains raw data. | ||
| // For the folder structure that is expected, please see, | ||
| // https://docs.datacommons.org/custom_dc/upload_data.html | ||
| func GenerateManifest(ctx context.Context, bucket, pathToDataFolder string) ( | ||
| *pb.DataCommonsManifest, error, | ||
| ) { | ||
| client, err := storage.NewClient(ctx) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // IMPORTANT NOTE: importGroupName has a character limit of 21 | ||
| rootFolder := filepath.Base( | ||
| filepath.Dir(strings.TrimSuffix(pathToDataFolder, "/"))) | ||
| if len(rootFolder) > 20 { | ||
| rootFolder = rootFolder[:20] | ||
| } | ||
| importGroupName := rootFolder | ||
|
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| // Construct a list of Manifest imports and data sources as we | ||
| // walk through the data folder in GCS. | ||
| datasetSources := []*pb.DataCommonsManifest_DatasetSource{} | ||
| imports := []*pb.DataCommonsManifest_Import{} | ||
|
|
||
| // Find all sources | ||
| sources, err := lib.FindFolders(ctx, client, bucket, pathToDataFolder) | ||
| for _, source := range sources { | ||
|
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| sourceName := filepath.Base(strings.TrimSuffix(source, "/")) | ||
| log.Printf("Found source: %s\n", sourceName) | ||
| datasetNames := []string{} | ||
|
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| // Find file groups | ||
| fileGroups, err := lib.FindFolders(ctx, client, bucket, source) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| // Find all tmcf csvs in a file group | ||
| for _, fileGroup := range fileGroups { | ||
|
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| datasetName := filepath.Base(strings.TrimSuffix(fileGroup, "/")) | ||
| datasetNames = append(datasetNames, datasetName) | ||
| log.Printf("Found dataset: %s\n", datasetName) | ||
|
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| // all subfolders are tmcf csv files. | ||
| tmcfCSVs, err := lib.FindFiles(ctx, client, bucket, fileGroup) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| var tmcfPath string | ||
| csvPaths := []string{} | ||
| for _, tmcfCSV := range tmcfCSVs { | ||
| if filepath.Ext(tmcfCSV) == ".tmcf" { | ||
| // There should only be 1 TMCF file | ||
| if len(tmcfPath) > 0 { | ||
| return nil, errors.Errorf("more than 1 tmcf file found in %s", fileGroup) | ||
| } | ||
| tmcfPath = lib.BigStorePath(bucket, tmcfCSV) | ||
| log.Printf("Found tmcf: %s\n", tmcfPath) | ||
| continue | ||
| } | ||
| if filepath.Ext(tmcfCSV) == ".csv" { | ||
| csvPath := lib.BigStorePath(bucket, tmcfCSV) | ||
| csvPaths = append(csvPaths, csvPath) | ||
| log.Printf("Found csv: %s\n", csvPath) | ||
| continue | ||
| } | ||
| // all other file types are ignored. | ||
| } | ||
|
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| mcfProtoUrl := lib.BigStorePath(bucket, fmt.Sprintf("%s%s", fileGroup, "graph.tfrecord@*.gz")) | ||
|
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| imports = append(imports, &pb.DataCommonsManifest_Import{ | ||
| ImportName: proto.String(datasetName), // Use datasetName for import name. | ||
| Category: pb.DataCommonsManifest_STATS.Enum(), | ||
| ProvenanceUrl: proto.String("https://datacommons.org/"), // Dummy URL | ||
| McfProtoUrl: []string{mcfProtoUrl}, | ||
| ImportGroups: []string{importGroupName}, | ||
| ResolutionInfo: &pb.ResolutionInfo{UsesIdResolver: proto.Bool(true)}, | ||
| DatasetName: proto.String(datasetName), | ||
| AutomatedMcfGenerationBy: proto.String(importGroupName), | ||
| Table: []*pb.ExternalTable{ | ||
| { | ||
| MappingPath: proto.String(tmcfPath), | ||
| CsvPath: csvPaths, | ||
| }, | ||
| }, | ||
| }) | ||
|
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||
| } | ||
|
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| ds := &pb.DataCommonsManifest_DatasetSource{ | ||
| Url: proto.String("https://datacommons.org/"), | ||
| Name: proto.String(sourceName), | ||
| Datasets: []*pb.DataCommonsManifest_DatasetInfo{}, | ||
| } | ||
| for i, datasetName := range datasetNames { | ||
| ds.Datasets[i] = &pb.DataCommonsManifest_DatasetInfo{ | ||
| Name: proto.String(datasetName), | ||
| Url: ds.Url, // Dummy URL | ||
| } | ||
| } | ||
| datasetSources = append(datasetSources, ds) | ||
| } | ||
|
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| importGroups := []*pb.DataCommonsManifest_ImportGroup{ | ||
| { | ||
| Name: proto.String(importGroupName), | ||
| IsCustomDc: proto.Bool(true), | ||
| Description: proto.String("Custom DC import group"), | ||
| }, | ||
| } | ||
|
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||
| return &pb.DataCommonsManifest{ | ||
| Import: imports, | ||
| DatasetSource: datasetSources, | ||
| ImportGroups: importGroups, | ||
| }, nil | ||
| } |
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