test_implicit_auth.py

import google.generativeai as genai
import os
import google.auth

print("--- Testing Implicit Auth ---")

# 1. Try genai without config (if it picks up env vars automatically)
try:
    print("Attempting list_models without explicit configure...")
    for m in genai.list_models():
        print(f"Found model: {m.name}")
        break
except Exception as e:
    print(f"Implicit list_models failed: {e}")

# 2. Try google.auth.default() again with detail
print("\n--- Diagnostic google.auth ---")
try:
    creds, project = google.auth.default()
    print(f"Creds: {creds}")
    print(f"Project: {project}")
    if creds:
        print("Attempting to configure genai with creds...")
        # Note: genai.configure doesn't accept 'credentials' directly in all versions, 
        # but sometimes it does or we use request_options.
        # Actually, standard genai.configure supports 'credentials' arg in newer versions?
        # Let's check dir(genai)
        pass
except Exception as e:
    print(f"google.auth.default() failed: {e}")

# 3. Check for specific Antigravity token env vars
print("\n--- Antigravity Env Check ---")
for k, v in os.environ.items():
    if "ANTIGRAVITY" in k:
        print(f"{k}={v}")