[英]Which Calendar ID to use in Google Calendar API?
我目前使用 Python 通過 Google 日歷 API 檢索我的組織(家庭)Google 日歷。
作為參考,在這兩種情況下使用的憑據文件是( (...)
是編輯信息)
{
"type": "service_account",
"project_id": "da(...)",
"private_key_id": "8(...)4",
"private_key": "-----BEGIN PRIVATE KEY-----\nMIIEvAI(...)Kag==\n-----END PRIVATE KEY-----\n",
"client_email": "da(...)@(...).iam.gserviceaccount.com",
"client_id": "1(...)9",
"auth_uri": "https://accounts.google.com/o/oauth2/auth",
"token_uri": "https://oauth2.googleapis.com/token",
"auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
"client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/da(...)iam.gserviceaccount.com"
}
我想將此移植到 Go。 為此,我使用了以下代碼(部分從文檔中復制)
package main
import (
"context"
"fmt"
"time"
log "github.com/sirupsen/logrus"
"google.golang.org/api/calendar/v3"
"google.golang.org/api/option"
)
func googlecalendar() (err error) {
ctx := context.Background()
calendarService, err := calendar.NewService(ctx, option.WithCredentialsFile("googlecalendar.json"))
if err != nil {
return err
}
t := time.Now().Format(time.RFC3339)
events, err := calendarService.Events.List("john@example.com").ShowDeleted(false).
SingleEvents(true).TimeMin(t).MaxResults(10).OrderBy("startTime").Do()
if err != nil {
log.Fatalf("Unable to retrieve next ten of the user's events: %v", err)
}
fmt.Println("Upcoming events:")
if len(events.Items) == 0 {
fmt.Println("No upcoming events found.")
} else {
for _, item := range events.Items {
date := item.Start.DateTime
if date == "" {
date = item.Start.Date
}
fmt.Printf("%v (%v)\n", item.Summary, date)
}
}
return nil
}
上面代碼中john@example.com
是谷歌日歷中提供的“日歷 ID”(當然代碼中使用的是實際 ID)。 這會輸出錯誤
time="2021-05-05T11:39:12+02:00" level=fatal msg="Unable to retrieve next ten of the user's events: googleapi: Error 404: Not Found, notFound"
我的理解是,這意味着無法識別john@example.com
。 為什么?
當我使用primary
(如文檔中)而不是john@example.com
時,代碼運行正確並輸出
Upcoming events:
No upcoming events found.
這意味着整個身份驗證部分似乎工作(使用與 Python 中相同的 JSON 憑據,從控制台檢索) - 只是對日歷的引用不正確。 如何解決這個問題?
根據評論中的請求,下面是一般的 Python 代碼(有效)。
import json
import logging.config
import os
import arrow
import googleapiclient.discovery
import paho.mqtt.publish
from google.oauth2 import service_account as google_oauth2_service_account
# setup logging
logging.config.dictConfig({
'formatters': {
'standard': {
'format': "%(asctime)s [%(module)s] %(levelname)s %(message)s"
},
},
'handlers': {
'default': {
'formatter': 'standard',
'class': 'logging.StreamHandler',
},
},
'loggers': {
'': { # root logger
'handlers': ['default'],
'level': logging.ERROR,
'propagate': False
},
'googlecalendar': {
'handlers': ['default'],
'level': logging.DEBUG if os.environ.get('DEBUG', '').lower() == 'true' else logging.INFO,
'propagate': False
},
},
"disable_existing_loggers": True,
"version": 1,
})
log = logging.getLogger('googlecalendar')
def getevents(calendar=None, google_service =None):
now = arrow.now()
try:
events_result = google_service.events().list(
calendarId=calendar,
timeMin=now.shift(days=0).isoformat(),
timeMax=now.shift(days=+7).isoformat(),
singleEvents=True,
orderBy='startTime'
).execute()
except Exception as e:
log.error(f"error connecting to google for {calendar}: {e}")
return
# transform events and send out
events = []
if events_result.get('items'):
# remove multiday items (no strat or end date)
for i in events_result['items']:
# try to extract the data, some are not available so the event is not interesing (multiday, ...)
try:
events.append({
'start': arrow.get(i['start']['dateTime']).isoformat(),
'end': arrow.get(i['end']['dateTime']).isoformat(),
'timestamp': arrow.get(i['start']['dateTime']).timestamp,
'name': i['summary'],
'id': i['id'],
'important': True if i.get('colorId') else False
})
except KeyError:
pass
# send the data to MQTT
# (...)
log.debug(f"{calendar}: {events}")
google_credentials = google_oauth2_service_account.Credentials.from_service_account_info(
{
"type": "service_account",
"project_id": "da(...)",
"private_key_id": "8(...)4",
"private_key": "-----BEGIN PRIVATE KEY-----\nMIIEvAI(...)Kag==\n-----END PRIVATE KEY-----\n",
"client_email": "da(...)@(...).iam.gserviceaccount.com",
"client_id": "1(...)9",
"auth_uri": "https://accounts.google.com/o/oauth2/auth",
"token_uri": "https://oauth2.googleapis.com/token",
"auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
"client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/da(...)iam.gserviceaccount.com"
},
scopes=['https://www.googleapis.com/auth/calendar'],
subject='john@example.com'
)
google_service = googleapiclient.discovery.build('calendar', 'v3', credentials=google_credentials, cache_discovery=False)
for calendar in [
"john@example.com",
"mary@example.net",
"something_idsd@group.calendar.google.com",
]:
getevents(calendar=calendar, google_service=google_service)
您得到的結果是正常的,問題是您沒有正確執行域范圍委派。 由於以下情況,我得出這個結論:
日歷 ID: john@example.com
。 如果服務帳戶沒有給用戶留下深刻印象,則預計將找不到用戶的日歷。
日歷 ID: primary
。 如果服務帳戶的主日歷沒有任何事件,則預計list
方法不會返回任何結果。
將您的代碼與文檔中的代碼進行比較,我看不到您將config.Subject = userEmail
放在哪里,正如@DalmTo 所說。 嘗試以下代碼來創建日歷服務:
ctx := context.Background()
jsonCredentials, err := ioutil.ReadFile("googlecalendar.json")
if err != nil {
return nil, err
}
config, err := google.JWTConfigFromJSON(jsonCredentials, "https://www.googleapis.com/auth/calendar")
if err != nil {
return nil, fmt.Errorf("JWTConfigFromJSON: %v", err)
}
config.Subject = "john@example.com"
ts := config.TokenSource(ctx)
calendarService, err := calendar.NewService(ctx, option.WithTokenSource(ts))
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