mdvtools.server_utils

Utility functions for Flask-based servers in the MDV project.

This module provides common server utilities including security headers, file serving helpers, and HTTP range request handling.

Functions

add_safe_headers(resp)	Add security and CORS headers to a Flask response.
send_file(f)	Send a file using Flask's send_file with absolute path handling.
get_range(file_name, range_header)	Handle HTTP range requests for partial file content.

Module Contents

mdvtools.server_utils.add_safe_headers(resp)

Add security and CORS headers to a Flask response.

Parameters:

resp – Flask response object to modify

Returns:

Modified response object with added headers

mdvtools.server_utils.send_file(f)

Send a file using Flask’s send_file with absolute path handling.

Parameters:

f (str) – File path (relative or absolute)

Returns:

Flask response object for the file

mdvtools.server_utils.get_range(file_name, range_header)

Handle HTTP range requests for partial file content.

Parameters:

• file_name (str) – Path to the file to serve

• range_header (str) – HTTP Range header value

Returns:

Flask Response object with partial content (status 206)

Raises:

ValueError – If the range header is invalid