improve error handling for GitHub authentication failures in codespaces

Author: rongxin-liu

submit50/__main__.py

@@ -195,7 +195,7 @@ def check_slug_year(slug):
             # Ask if they want to continue
             if not re.match(f"^\s*(?:{_('y|yes')})\s*$", input(_("Do you want to continue with this submission (yes/no)? ")), re.I):
                 raise Error(_("User aborted submission."))
-
+            
     except ValueError:
         pass
 
@@ -283,11 +283,15 @@ def main():
     try:
         user_name, commit_hash, message = lib50.push("submit50", args.slug, CONFIG_LOADER, prompt=prompt, auth_method=auth_method)
     except lib50.ConnectionError:
-        LOGGER.debug(traceback.format_exc()) # log the traceback
-        raise Error(_(
-            "check50 failed to authenticate your Github account. Try running check50 again with --https or --ssh, "
-            "or try restarting your codespace. If the problem persists, please email us at sysadmins@cs50.harvard.edu."
-        ))
+        LOGGER.debug(traceback.format_exc())
+        if not os.environ.get("CODESPACES"):
+            raise Error(_(
+                "submit50 failed to authenticate your Github account. Please make sure you are connected to the internet and try again."
+            ))
+    except Exception as e:
+        LOGGER.debug(traceback.format_exc())
+        raise Error(_("Sorry, something's wrong, please try again.\n"
+                                    "If the problem persists, please visit our status page https://cs50.statuspage.io for more information.")) from e
     print(message)
 
 if __name__ == "__main__":