Create app.py

app.py

@@ -0,0 +1,57 @@
+from __future__ import print_function
+
+import os.path
+
+from google.auth.transport.requests import Request
+from google.oauth2.credentials import Credentials
+from google_auth_oauthlib.flow import InstalledAppFlow
+from googleapiclient.discovery import build
+from googleapiclient.errors import HttpError
+
+# If modifying these scopes, delete the file token.json.
+SCOPES = ['https://www.googleapis.com/auth/drive.metadata.readonly']
+
+
+def main():
+    """Shows basic usage of the Drive v3 API.
+    Prints the names and ids of the first 10 files the user has access to.
+    """
+    creds = None
+    # The file token.json stores the user's access and refresh tokens, and is
+    # created automatically when the authorization flow completes for the first
+    # time.
+    if os.path.exists('token.json'):
+        creds = Credentials.from_authorized_user_file('token.json', SCOPES)
+    # If there are no (valid) credentials available, let the user log in.
+    if not creds or not creds.valid:
+        if creds and creds.expired and creds.refresh_token:
+            creds.refresh(Request())
+        else:
+            flow = InstalledAppFlow.from_client_secrets_file(
+                'credentials.json', SCOPES)
+            creds = flow.run_local_server(port=0)
+        # Save the credentials for the next run
+        with open('token.json', 'w') as token:
+            token.write(creds.to_json())
+
+    try:
+        service = build('drive', 'v3', credentials=creds)
+
+        # Call the Drive v3 API
+        results = service.files().list(
+            pageSize=10, fields="nextPageToken, files(id, name)").execute()
+        items = results.get('files', [])
+
+        if not items:
+            print('No files found.')
+            return
+        print('Files:')
+        for item in items:
+            print(u'{0} ({1})'.format(item['name'], item['id']))
+    except HttpError as error:
+        # TODO(developer) - Handle errors from drive API.
+        print(f'An error occurred: {error}')
+
+
+if __name__ == '__main__':
+    main()