Handle PyFilesystem2 errors more gracefully

)

import fs

import fs.errors

from fs.base import FS

from typing_extensions import Unpack

from galaxy.exceptions import MessageException

from . import (

    BaseFilesSource,

    FilesSourceOptions,

    def _list(self, path="/", recursive=False, user_context=None, opts: Optional[FilesSourceOptions] = None):

        """Return dictionary of 'Directory's and 'File's."""

        try:

            with self._open_fs(user_context=user_context, opts=opts) as h:

                if recursive:

                    res: List[Dict[str, Any]] = []

                    res = h.scandir(path, namespaces=["details"])

                    to_dict = functools.partial(self._resource_info_to_dict, path)

                    return list(map(to_dict, res))

        except fs.errors.PermissionDenied as e:

            raise MessageException(

                f"Permission Denied. Reason: {e}. Please check your credentials in your preferences for {self.label}."

            )

        except fs.errors.FSError as e:

            raise MessageException(f"Problem listing file source path {path}. Reason: {e}") from e

    def _realize_to(self, source_path, native_path, user_context=None, opts: Optional[FilesSourceOptions] = None):

        with open(native_path, "wb") as write_file: