get_fb_access_token.py

import facebook
import requests

import settings

URL = "https://graph.facebook.com/oauth/access_token"


def get_user_long_token(user_short_token):
    import pdb

    pdb.set_trace()
    params = {
        "grant_type": "fb_exchange_token",
        "client_id": settings.APP_ID,
        "client_secret": settings.APP_SECRET,
        "fb_exchange_token": user_short_token,
    }
    r = requests.get(URL, params=params)
    user_long_token = r.json()["access_token"]
    return user_long_token


def get_permanent_page_token(user_long_token):
    graph = facebook.GraphAPI(access_token=user_long_token, version="2.9")
    pages_data = graph.get_object("/me/accounts")

    for item in pages_data["data"]:
        if item["id"] == settings.PAGE_ID:
            page_token = item["access_token"]

    return page_token


def main():
    """
    Facebook のアクセストークンを取得する手順を実行する
    """
    print("下記ページからユーザーアクセストークンを取得")
    print("https://developers.facebook.com/tools/explorer/")
    user_short_token = input("> ")

    user_long_token = get_user_long_token(user_short_token)
    page_token = get_permanent_page_token(user_long_token)

    print("以下の記述を settings.py に追加してください")
    print("FB_ACCESS_TOKEN = '{}'".format(user_long_token))
    print("FB_PAGE_ACCESS_TOKEN = '{}'".format(page_token))


if __name__ == "__main__":
    main()