/
search.go
76 lines (65 loc) · 2.05 KB
/
search.go
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// Copyright © 2017 Makoto Ito
//
// 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
//
// http://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 cmd
import (
"os"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/ike-dai/wego/config"
"github.com/ike-dai/wego/search"
)
var searchCmd = &cobra.Command{
Use: "search",
Short: "Search similar words",
Long: "Search similar words",
Example: " wego search -i example/word_vectors.txt microsoft",
PreRun: func(cmd *cobra.Command, args []string) {
searchBind(cmd)
},
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) == 1 {
return executeSearch(args[0])
}
return errors.New("Input a single word")
},
}
func init() {
searchCmd.Flags().StringP(config.InputFile.String(), "i", config.DefaultOutputFile,
"input file path for trained word vector")
searchCmd.Flags().IntP(config.Rank.String(), "r", config.DefaultRank,
"how many the most similar words will be displayed")
}
func searchBind(cmd *cobra.Command) {
viper.BindPFlag(config.Rank.String(), cmd.Flags().Lookup(config.Rank.String()))
viper.BindPFlag(config.InputFile.String(), cmd.Flags().Lookup(config.InputFile.String()))
}
func executeSearch(query string) error {
inputFile := viper.GetString(config.InputFile.String())
f, err := os.Open(inputFile)
if err != nil {
return err
}
defer f.Close()
searcher, err := search.NewSearcher(f)
if err != nil {
return err
}
k := viper.GetInt(config.Rank.String())
neighbors, err := searcher.SearchWithQuery(query, k)
if err != nil {
return err
}
return search.Describe(neighbors)
}