finding old code from 2020-10-19
Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
This commit is contained in:
parent
c11fd878cd
commit
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GPG key ID:
10937E57733F1362
1 changed files with 78 additions and 79 deletions
157
main.go
157
main.go
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@ -1,109 +1,108 @@
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package main
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"golang.org/x/net/context"
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"golang.org/x/oauth2"
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"golang.org/x/oauth2/google"
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"google.golang.org/api/sheets/v4"
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"golang.org/x/net/context"
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"golang.org/x/oauth2"
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"golang.org/x/oauth2/google"
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"google.golang.org/api/sheets/v4"
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)
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// Retrieve a token, saves the token, then returns the generated client.
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func getClient(config *oauth2.Config) *http.Client {
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// The file token.json stores the user's access and refresh tokens, and is
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// created automatically when the authorization flow completes for the first
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// time.
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tokFile := "token.json"
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tok, err := tokenFromFile(tokFile)
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if err != nil {
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tok = getTokenFromWeb(config)
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saveToken(tokFile, tok)
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}
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return config.Client(context.Background(), tok)
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// The file token.json stores the user's access and refresh tokens, and is
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// created automatically when the authorization flow completes for the first
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// time.
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tokFile := "token.json"
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tok, err := tokenFromFile(tokFile)
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if err != nil {
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tok = getTokenFromWeb(config)
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saveToken(tokFile, tok)
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}
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return config.Client(context.Background(), tok)
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}
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// Request a token from the web, then returns the retrieved token.
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func getTokenFromWeb(config *oauth2.Config) *oauth2.Token {
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authURL := config.AuthCodeURL("state-token", oauth2.AccessTypeOffline)
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fmt.Printf("Go to the following link in your browser then type the "+
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"authorization code: \n%v\n", authURL)
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authURL := config.AuthCodeURL("state-token", oauth2.AccessTypeOffline)
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fmt.Printf("Go to the following link in your browser then type the "+
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"authorization code: \n%v\n", authURL)
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var authCode string
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if _, err := fmt.Scan(&authCode); err != nil {
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log.Fatalf("Unable to read authorization code: %v", err)
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}
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var authCode string
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if _, err := fmt.Scan(&authCode); err != nil {
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log.Fatalf("Unable to read authorization code: %v", err)
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}
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tok, err := config.Exchange(context.TODO(), authCode)
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if err != nil {
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log.Fatalf("Unable to retrieve token from web: %v", err)
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}
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return tok
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tok, err := config.Exchange(context.TODO(), authCode)
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if err != nil {
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log.Fatalf("Unable to retrieve token from web: %v", err)
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}
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return tok
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}
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// Retrieves a token from a local file.
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func tokenFromFile(file string) (*oauth2.Token, error) {
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f, err := os.Open(file)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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tok := &oauth2.Token{}
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err = json.NewDecoder(f).Decode(tok)
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return tok, err
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f, err := os.Open(file)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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tok := &oauth2.Token{}
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err = json.NewDecoder(f).Decode(tok)
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return tok, err
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}
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// Saves a token to a file path.
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func saveToken(path string, token *oauth2.Token) {
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fmt.Printf("Saving credential file to: %s\n", path)
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f, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
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if err != nil {
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log.Fatalf("Unable to cache oauth token: %v", err)
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}
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defer f.Close()
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json.NewEncoder(f).Encode(token)
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fmt.Printf("Saving credential file to: %s\n", path)
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f, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
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if err != nil {
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log.Fatalf("Unable to cache oauth token: %v", err)
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}
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defer f.Close()
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json.NewEncoder(f).Encode(token)
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}
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func main() {
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b, err := ioutil.ReadFile("credentials.json")
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if err != nil {
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log.Fatalf("Unable to read client secret file: %v", err)
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}
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b, err := ioutil.ReadFile("credentials.json")
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if err != nil {
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log.Fatalf("Unable to read client secret file: %v", err)
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}
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// If modifying these scopes, delete your previously saved token.json.
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config, err := google.ConfigFromJSON(b, "https://www.googleapis.com/auth/spreadsheets.readonly")
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if err != nil {
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log.Fatalf("Unable to parse client secret file to config: %v", err)
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}
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client := getClient(config)
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// If modifying these scopes, delete your previously saved token.json.
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config, err := google.ConfigFromJSON(b, "https://www.googleapis.com/auth/spreadsheets.readonly")
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if err != nil {
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log.Fatalf("Unable to parse client secret file to config: %v", err)
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}
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client := getClient(config)
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srv, err := sheets.New(client)
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if err != nil {
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log.Fatalf("Unable to retrieve Sheets client: %v", err)
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}
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srv, err := sheets.New(client)
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if err != nil {
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log.Fatalf("Unable to retrieve Sheets client: %v", err)
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}
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// Prints the names and majors of students in a sample spreadsheet:
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// https://docs.google.com/spreadsheets/d/1BxiMVs0XRA5nFMdKvBdBZjgmUUqptlbs74OgvE2upms/edit
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spreadsheetId := "1BxiMVs0XRA5nFMdKvBdBZjgmUUqptlbs74OgvE2upms"
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readRange := "Class Data!A2:E"
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resp, err := srv.Spreadsheets.Values.Get(spreadsheetId, readRange).Do()
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if err != nil {
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log.Fatalf("Unable to retrieve data from sheet: %v", err)
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}
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// Prints the names and majors of students in a sample spreadsheet:
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// https://docs.google.com/spreadsheets/d/1BxiMVs0XRA5nFMdKvBdBZjgmUUqptlbs74OgvE2upms/edit
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spreadsheetId := "1gAn7JyASTCydfC2ZllUx4qpS2hMTd5TWVykq6AVAf-c"
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readRange := "Sheet1!A2:E"
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resp, err := srv.Spreadsheets.Values.Get(spreadsheetId, readRange).Do()
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if err != nil {
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log.Fatalf("Unable to retrieve data from sheet: %v", err)
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}
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if len(resp.Values) == 0 {
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fmt.Println("No data found.")
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} else {
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fmt.Println("Name, Major:")
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for _, row := range resp.Values {
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// Print columns A and E, which correspond to indices 0 and 4.
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fmt.Printf("%s, %s\n", row[0], row[4])
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}
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}
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if len(resp.Values) == 0 {
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fmt.Println("No data found.")
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} else {
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fmt.Println("Name, Major:")
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for _, row := range resp.Values {
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// Print columns A and E, which correspond to indices 0 and 4.
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fmt.Printf("%q\n", row)
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}
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}
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}
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