遭遇gspread.exceptions.SpreadsheetNotFound错误，配置正常却突发异常

Hey Justin, sorry to hear you're hitting this random gspread.exceptions.SpreadsheetNotFound error—super frustrating when something that worked flawlessly starts acting up out of nowhere! Let’s break down the most likely culprits based on your situation and how to troubleshoot them step by step:

1. OAuth Token Caching Glitches #

Even if your client_email has valid access, sometimes cached OAuth2 tokens can get corrupted or expire in unexpected ways. Try forcing your app to skip cached tokens and re-authenticate fresh:

# Initialize the gspread client without using cached tokens
gc = gspread.service_account(filename='client_secret.json', token_filename=None)

You can also manually delete any local token.json files (gspread’s default cache location) to clear stale credentials entirely.

2. Accidental Changes to Sheet/Folder Permissions #

You mentioned there was a single change before the error started—double-check if your Google Sheet was moved to a new Drive folder, or if its sharing settings were tweaked:

• Open the sheet, click Share → confirm your service account’s client_email is still listed with at least "Viewer" access (though "Editor" is safer for write operations).
• If the sheet was moved to a new folder, verify that folder also grants access to your client_email—Drive permissions are inherited, so a restricted parent folder can block access even if the sheet itself is shared.

3. Ambiguous Sheet Names (Duplicates) #

If there are multiple sheets with the exact same name in your Drive, gspread might randomly pick one that your service account doesn’t have access to. Fix this by using the sheet’s unique ID instead of its name—this eliminates all ambiguity:

# Replace with your sheet's ID (found in the URL after `d/`)
sheet = gc.open_by_key('your-spreadsheet-unique-id').sheet1

The sheet ID is the long string in your Google Sheets URL, e.g., https://docs.google.com/spreadsheets/d/abc123XYZ/edit uses abc123XYZ as the ID.

4. Temporary Google API Service Blips #

Google’s APIs occasionally have short-lived outages or rate-limiting blips that cause random failures. Add a retry mechanism to your code to handle these transient issues:

from tenacity import retry, stop_after_attempt, wait_exponential
import gspread

@retry(stop=stop_after_attempt(3), wait=wait_exponential(multiplier=1, min=2, max=10))
def get_target_sheet():
    return gc.open('your-sheet-name').sheet1

try:
    sheet = get_target_sheet()
except gspread.exceptions.SpreadsheetNotFound:
    print("Failed to access spreadsheet after 3 retry attempts")

This will automatically retry the connection a few times with increasing wait intervals, which often resolves random API hiccups.

5. Corrupted client_secret.json #

Even if the file is in the right place, it might have been accidentally edited (e.g., a typo in the client_email or broken private key). Re-download a fresh copy of the service account key from the Google Cloud Console and replace your current client_secret.json—this ensures the credentials are 100% valid.

Start with checking permissions and switching to the sheet ID first—those are the most common fixes for this random error. Let me know if any of these work for you!

内容的提问来源于stack exchange，提问作者Justin Smith