Merge pull request #17388 from davelopez/update_webdav_conf_sample

  root: ${user.preferences['owncloud|root']}

  login: ${user.preferences['owncloud|username']}

  password: ${user.preferences['owncloud|password']}

  # By default, the plugin will use temp files to avoid loading entire files into memory. 

  # You can change the directory here or omit to use the default temp directory.

  temp_path: /your/temp/path

  # Set writable to true if you have write access to this source

  # and want to allow exporting files to it, by default is read only.

  writable: false

- type: posix

  root: '/data/5/galaxy_import/galaxy_user_data/covid-19/data/sequences/'

except ImportError:

    WebDAVFS = None

import tempfile

from typing import (

    Optional,

    Union,

    def _open_fs(self, user_context=None, opts: Optional[FilesSourceOptions] = None):

        props = self._serialization_props(user_context)

        use_temp_files = props.pop("use_temp_files", None)

        if use_temp_files is None:

            # Default to True to avoid memory issues with large files.

            props["use_temp_files"] = True

            props["temp_path"] = props.get("temp_path", tempfile.TemporaryDirectory(prefix="webdav_"))

        extra_props: Union[FilesSourceProperties, dict] = opts.extra_props or {} if opts else {}

        handle = WebDAVFS(**{**props, **extra_props})

        return handle