Python 程式碼範例

以下程式碼範例使用 PythonGoogle API 用戶端程式庫YouTube Reporting APIYouTube Analytics API。您可以前往 GitHub 上的 YouTube API 程式碼範例存放區python 資料夾,下載這些程式碼範例。

大量報表

擷取報告

以下程式碼範例示範如何擷取特定工作所建立的報表。其會呼叫 jobs.list 方法來擷取報表工作。然後呼叫 reports.list 方法,並將 jobId 參數設為特定工作 ID 以擷取由該工作所建立的報表。最後,該範例會針對每個報表列印下載網址。

#!/usr/bin/python

###
#
# This script retrieves YouTube Reporting API reports. Use cases:
# 1. If you specify a report URL, the script downloads that report.
# 2. Otherwise, if you specify a job ID, the script retrieves a list of
#    available reports for that job and prompts you to select a report.
#    Then it retrieves that report as in case 1.
# 3. Otherwise, the list retrieves a list of jobs for the user or,
#    if specified, the content owner that the user is acting on behalf of.
#    Then it prompts the user to select a job, and then executes case 2 and
#    then case 1.
# Usage examples:
# python retrieve_reports.py --content_owner_id=<CONTENT_OWNER_ID> --local_file=<LOCAL_FILE>
# python retrieve_reports.py --content_owner_id=<CONTENT_OWNER_ID> --job_id=<JOB_ID> --local_file=<LOCAL_FILE>
# python retrieve_reports.py --content_owner_id=<CONTENT_OWNER_ID> --report_url=<REPORT_URL> --local_file=<LOCAL_FILE>
#
###

import argparse
import os

import google.oauth2.credentials
import google_auth_oauthlib.flow
from googleapiclient.discovery import build
from googleapiclient.errors import HttpError
from googleapiclient.http import MediaIoBaseDownload
from google_auth_oauthlib.flow import InstalledAppFlow
from io import FileIO


# The CLIENT_SECRETS_FILE variable specifies the name of a file that contains
# the OAuth 2.0 information for this application, including its client_id and
# client_secret. You can acquire an OAuth 2.0 client ID and client secret from
# the {{ Google Cloud Console }} at
# {{ https://cloud.google.com/console }}.
# Please ensure that you have enabled the YouTube Data API for your project.
# For more information about using OAuth2 to access the YouTube Data API, see:
#   https://developers.google.com/youtube/v3/guides/authentication
# For more information about the client_secrets.json file format, see:
#   https://developers.google.com/api-client-library/python/guide/aaa_client_secrets
CLIENT_SECRETS_FILE = 'client_secret.json'

# This OAuth 2.0 access scope allows for read access to YouTube Analytics
# monetary reports for the authenticated user's account. Any request that
# retrieves earnings or ad performance metrics must use this scope.
SCOPES = ['https://www.googleapis.com/auth/yt-analytics-monetary.readonly']
API_SERVICE_NAME = 'youtubereporting'
API_VERSION = 'v1'

# Authorize the request and store authorization credentials.
def get_authenticated_service():
  flow = InstalledAppFlow.from_client_secrets_file(CLIENT_SECRETS_FILE, SCOPES)
  credentials = flow.run_console()
  return build(API_SERVICE_NAME, API_VERSION, credentials = credentials)

# Remove keyword arguments that are not set.
def remove_empty_kwargs(**kwargs):
  good_kwargs = {}
  if kwargs is not None:
    for key, value in kwargs.iteritems():
      if value:
        good_kwargs[key] = value
  return good_kwargs

# Call the YouTube Reporting API's jobs.list method to retrieve reporting jobs.
def list_reporting_jobs(youtube_reporting, **kwargs):
  # Only include the onBehalfOfContentOwner keyword argument if the user
  # set a value for the --content_owner argument.
  kwargs = remove_empty_kwargs(**kwargs)

  # Retrieve the reporting jobs for the user (or content owner).
  results = youtube_reporting.jobs().list(**kwargs).execute()

  if 'jobs' in results and results['jobs']:
    jobs = results['jobs']
    for job in jobs:
      print ('Reporting job id: %s\n name: %s\n for reporting type: %s\n'
        % (job['id'], job['name'], job['reportTypeId']))
  else:
    print 'No jobs found'
    return False

  return True

# Call the YouTube Reporting API's reports.list method to retrieve reports created by a job.
def retrieve_reports(youtube_reporting, **kwargs):
  # Only include the onBehalfOfContentOwner keyword argument if the user
  # set a value for the --content_owner argument.
  kwargs = remove_empty_kwargs(**kwargs)

  # Retrieve available reports for the selected job.
  results = youtube_reporting.jobs().reports().list(
    **kwargs
  ).execute()

  if 'reports' in results and results['reports']:
    reports = results['reports']
    for report in reports:
      print ('Report dates: %s to %s\n       download URL: %s\n'
        % (report['startTime'], report['endTime'], report['downloadUrl']))


# Call the YouTube Reporting API's media.download method to download the report.
def download_report(youtube_reporting, report_url, local_file):
  request = youtube_reporting.media().download(
    resourceName=' '
  )
  request.uri = report_url
  fh = FileIO(local_file, mode='wb')
  # Stream/download the report in a single request.
  downloader = MediaIoBaseDownload(fh, request, chunksize=-1)

  done = False
  while done is False:
    status, done = downloader.next_chunk()
    if status:
      print 'Download %d%%.' % int(status.progress() * 100)
  print 'Download Complete!'


# Prompt the user to select a job and return the specified ID.
def get_job_id_from_user():
  job_id = raw_input('Please enter the job id for the report retrieval: ')
  print ('You chose "%s" as the job Id for the report retrieval.' % job_id)
  return job_id

# Prompt the user to select a report URL and return the specified URL.
def get_report_url_from_user():
  report_url = raw_input('Please enter the report URL to download: ')
  print ('You chose "%s" to download.' % report_url)
  return report_url

if __name__ == '__main__':
  parser = argparse.ArgumentParser()
  parser.add_argument('--content_owner', default='',
      help='ID of content owner for which you are retrieving jobs and reports')
  parser.add_argument('--job_id', default=None,
      help='ID of the job for which you are retrieving reports. If not ' +
           'provided AND report_url is also not provided, then the script ' +
           'calls jobs.list() to retrieve a list of jobs.')
  parser.add_argument('--report_url', default=None,
      help='URL of the report to retrieve. If not specified, the script ' +
           'calls reports.list() to retrieve a list of reports for the ' +
           'selected job.')
  parser.add_argument('--local_file', default='yt_report.txt',
      help='The name of the local file where the downloaded report will be written.')
  args = parser.parse_args()

  youtube_reporting = get_authenticated_service()
  try:
    # If the user has not specified a job ID or report URL, retrieve a list
    # of available jobs and prompt the user to select one.
    if not args.job_id and not args.report_url:
      if list_reporting_jobs(youtube_reporting,
                             onBehalfOfContentOwner=args.content_owner):
        args.job_id = get_job_id_from_user()

    # If the user has not specified a report URL, retrieve a list of reports
    # available for the specified job and prompt the user to select one.
    if args.job_id and not args.report_url:
      retrieve_reports(youtube_reporting,
                       jobId=args.job_id,
                       onBehalfOfContentOwner=args.content_owner)
      args.report_url = get_report_url_from_user()

    # Download the selected report.
    if args.report_url:
      download_report(youtube_reporting, args.report_url, args.local_file)
  except HttpError, e:
    print 'An HTTP error %d occurred:\n%s' % (e.resp.status, e.content)

建立報表工作

本程式碼範例示範如何建立報表工作。其會呼叫 reportTypes.list 方法,以擷取可用報表類型清單。然後呼叫 jobs.create 方法來建立新的報表工作。

#!/usr/bin/python

# Create a reporting job for the authenticated user's channel or
# for a content owner that the user's account is linked to.
# Usage example:
# python create_reporting_job.py --name='<name>'
# python create_reporting_job.py --content-owner='<CONTENT OWNER ID>'
# python create_reporting_job.py --content-owner='<CONTENT_OWNER_ID>' --report-type='<REPORT_TYPE_ID>' --name='<REPORT_NAME>'

import argparse
import os

import google.oauth2.credentials
import google_auth_oauthlib.flow
from googleapiclient.discovery import build
from googleapiclient.errors import HttpError
from google_auth_oauthlib.flow import InstalledAppFlow


# The CLIENT_SECRETS_FILE variable specifies the name of a file that contains

# the OAuth 2.0 information for this application, including its client_id and
# client_secret. You can acquire an OAuth 2.0 client ID and client secret from
# the {{ Google Cloud Console }} at
# {{ https://cloud.google.com/console }}.
# Please ensure that you have enabled the YouTube Data API for your project.
# For more information about using OAuth2 to access the YouTube Data API, see:
#   https://developers.google.com/youtube/v3/guides/authentication
# For more information about the client_secrets.json file format, see:
#   https://developers.google.com/api-client-library/python/guide/aaa_client_secrets
CLIENT_SECRETS_FILE = 'client_secret.json'

# This OAuth 2.0 access scope allows for read access to the YouTube Analytics monetary reports for
# authenticated user's account. Any request that retrieves earnings or ad performance metrics must
# use this scope.
SCOPES = ['https://www.googleapis.com/auth/yt-analytics-monetary.readonly']
API_SERVICE_NAME = 'youtubereporting'
API_VERSION = 'v1'

# Authorize the request and store authorization credentials.
def get_authenticated_service():
  flow = InstalledAppFlow.from_client_secrets_file(CLIENT_SECRETS_FILE, SCOPES)
  credentials = flow.run_console()
  return build(API_SERVICE_NAME, API_VERSION, credentials = credentials)

# Remove keyword arguments that are not set.
def remove_empty_kwargs(**kwargs):
  good_kwargs = {}
  if kwargs is not None:
    for key, value in kwargs.iteritems():
      if value:
        good_kwargs[key] = value
  return good_kwargs

# Call the YouTube Reporting API's reportTypes.list method to retrieve report types.
def list_report_types(youtube_reporting, **kwargs):
  # Provide keyword arguments that have values as request parameters.
  kwargs = remove_empty_kwargs(**kwargs)
  results = youtube_reporting.reportTypes().list(**kwargs).execute()
  reportTypes = results['reportTypes']

  if 'reportTypes' in results and results['reportTypes']:
    reportTypes = results['reportTypes']
    for reportType in reportTypes:
      print 'Report type id: %s\n name: %s\n' % (reportType['id'], reportType['name'])
  else:
    print 'No report types found'
    return False

  return True


# Call the YouTube Reporting API's jobs.create method to create a job.
def create_reporting_job(youtube_reporting, report_type_id, **kwargs):
  # Provide keyword arguments that have values as request parameters.
  kwargs = remove_empty_kwargs(**kwargs)

  reporting_job = youtube_reporting.jobs().create(
    body=dict(
      reportTypeId=args.report_type,
      name=args.name
    ),
    **kwargs
  ).execute()

  print ('Reporting job "%s" created for reporting type "%s" at "%s"'
         % (reporting_job['name'], reporting_job['reportTypeId'],
             reporting_job['createTime']))


# Prompt the user to enter a report type id for the job. Then return the id.
def get_report_type_id_from_user():
  report_type_id = raw_input('Please enter the reportTypeId for the job: ')
  print ('You chose "%s" as the report type Id for the job.' % report_type_id)
  return report_type_id

# Prompt the user to set a job name
def prompt_user_to_set_job_name():
  job_name = raw_input('Please set a name for the job: ')
  print ('Great! "%s" is a memorable name for this job.' % job_name)
  return job_name


if __name__ == '__main__':
  parser = argparse.ArgumentParser()
  # The 'name' option specifies the name that will be used for the reporting job.
  parser.add_argument('--content-owner', default='',
      help='ID of content owner for which you are retrieving jobs and reports.')
  parser.add_argument('--include-system-managed', default=False,
      help='Whether the API response should include system-managed reports')
  parser.add_argument('--name', default='',
    help='Name for the reporting job. The script prompts you to set a name ' +
         'for the job if you do not provide one using this argument.')
  parser.add_argument('--report-type', default=None,
    help='The type of report for which you are creating a job.')
  args = parser.parse_args()

  youtube_reporting = get_authenticated_service()

  try:
    # Prompt user to select report type if they didn't set one on command line.
    if not args.report_type:
      if list_report_types(youtube_reporting,
                           onBehalfOfContentOwner=args.content_owner,
                           includeSystemManaged=args.include_system_managed):
        args.report_type = get_report_type_id_from_user()
    # Prompt user to set job name if not set on command line.
    if not args.name:
      args.name = prompt_user_to_set_job_name()
    # Create the job.
    if args.report_type:
      create_reporting_job(youtube_reporting,
                           args,
                           onBehalfOfContentOwner=args.content_owner)
  except HttpError, e:
    print 'An HTTP error %d occurred:\n%s' % (e.resp.status, e.content)

指定的查詢報表

擷取每日頻道統計資料

這個範例使用 YouTube Analytics API,擷取 2017 年度使用者授權頻道的每日觀看次數和其他指標。本範例使用 Google API Python 用戶端程式庫

這個程式碼會要求使用者授予 https://www.googleapis.com/auth/yt-analytics.readonly 範圍的存取權。

SCOPES = ['https://www.googleapis.com/auth/yt-analytics.readonly']

應用程式可能也需要要求存取其他範圍。例如,如果應用程式呼叫 YouTube Analytics API 和 YouTube Data API,使用者可能也需要授予其 YouTube 帳戶的存取權。授權總覽會說明一般呼叫 YouTube Analytics API 的應用程式中使用的範圍。

設定授權憑證

首次在本機執行此範例前,您必須先為專案設定授權憑證:

  1. Google API 控制台中建立或選取專案。
  2. 為您的專案啟用 YouTube 數據分析 API
  3. 憑證 頁面頂端,選取 OAuth 同意畫面 標籤。選取電子郵件地址,輸入產品名稱 (如果尚未設定),然後按一下 [儲存] 按鈕。
  4. 在「憑證」頁面上,按一下 [建立憑證] 按鈕,然後選取 [Oauth Client ID]
  5. 選取「Other」(其他) 應用程式,輸入「YouTube Analytics API 快速入門導覽課程」名稱,然後按一下 [建立] 按鈕。
  6. 按一下「OK」,關閉產生的對話方塊。
  7. 按一下用戶端 ID 右側的 (下載 JSON) 按鈕。
  8. 將下載的檔案移至作業目錄。

安裝必要的程式庫

您還必須安裝 Google API 用戶端程式庫 (Python) 以及一些其他程式庫:

pip install --upgrade google-api-python-client
pip install --upgrade google-auth google-auth-oauthlib google-auth-httplib2

執行程式碼

現在,您可以開始實際測試範例了:

  1. 將下方的程式碼範例複製到您的工作目錄中。
  2. 在範例中,請更新 CLIENT_SECRETS_FILE 變數的值,以比對您在設定授權憑證後下載的檔案位置。
  3. 在終端機視窗中執行程式碼範例:
    python yt_analytics_v2.py
  4. 完成授權流程。瀏覽器可能會自動載入驗證流程,或者您可能需要將驗證網址複製到瀏覽器視窗中。視需要在授權流程結束時,將瀏覽器顯示的授權碼貼到您的終端機視窗中,然後按一下 [return]。
  5. 系統會執行 API 查詢,並將 JSON 回應輸出至終端機視窗。

程式碼範例

# -*- coding: utf-8 -*-

import os
import google.oauth2.credentials
import google_auth_oauthlib.flow
from googleapiclient.discovery import build
from googleapiclient.errors import HttpError
from google_auth_oauthlib.flow import InstalledAppFlow

SCOPES = ['https://www.googleapis.com/auth/yt-analytics.readonly']

API_SERVICE_NAME = 'youtubeAnalytics'
API_VERSION = 'v2'
CLIENT_SECRETS_FILE = 'YOUR_CLIENT_SECRET_FILE.json'
def get_service():
  flow = InstalledAppFlow.from_client_secrets_file(CLIENT_SECRETS_FILE, SCOPES)
  credentials = flow.run_console()
  return build(API_SERVICE_NAME, API_VERSION, credentials = credentials)

def execute_api_request(client_library_function, **kwargs):
  response = client_library_function(
    **kwargs
  ).execute()

  print(response)

if __name__ == '__main__':
  # Disable OAuthlib's HTTPs verification when running locally.
  # *DO NOT* leave this option enabled when running in production.
  os.environ['OAUTHLIB_INSECURE_TRANSPORT'] = '1'

  youtubeAnalytics = get_service()
  execute_api_request(
      youtubeAnalytics.reports().query,
      ids='channel==MINE',
      startDate='2017-01-01',
      endDate='2017-12-31',
      metrics='estimatedMinutesWatched,views,likes,subscribersGained'
      dimensions='day',
      sort='day'
  )