Function _map_file_to_server

pydevd_file_utils.py:783–835

(filename, cache=norm_filename_to_server_container)

    # only setup translation functions if absolutely needed!
    def _map_file_to_server(filename, cache=norm_filename_to_server_container):
        # Eclipse will send the passed filename to be translated to the python process
        # So, this would be 'NormFileFromEclipseToPython'
        try:
            return cache[filename]
        except KeyError:
            if eclipse_sep != python_sep:
                # Make sure that the separators are what we expect from the IDE.
                filename = filename.replace(python_sep, eclipse_sep)

            # used to translate a path from the client to the debug server
            translated = filename
            translated_normalized = _normcase_from_client(filename)
            for eclipse_prefix, server_prefix in paths_from_eclipse_to_python:
                if translated_normalized.startswith(eclipse_prefix):
                    found_translation = True
                    if DEBUG_CLIENT_SERVER_TRANSLATION:
                        pydev_log.critical("pydev debugger: replacing to server: %s", filename)
                    translated = server_prefix + filename[len(eclipse_prefix) :]
                    if DEBUG_CLIENT_SERVER_TRANSLATION:
                        pydev_log.critical("pydev debugger: sent to server: %s - matched prefix: %s", translated, eclipse_prefix)
                    break
            else:
                found_translation = False

            # Note that when going to the server, we do the replace first and only later do the norm file.
            if eclipse_sep != python_sep:
                translated = translated.replace(eclipse_sep, python_sep)

            if found_translation:
                # Note: we don't normalize it here, this must be done as a separate
                # step by the caller.
                translated = absolute_path(translated)
            else:
                if not os_path_exists(translated):
                    if not translated.startswith("<"):
                        # This is a configuration error, so, write it always so
                        # that the user can fix it.
                        error_once(
                            'pydev debugger: unable to find translation for: "%s" in [%s] (please revise your path mappings).\n',
                            filename,
                            ", ".join(['"%s"' % (x[0],) for x in paths_from_eclipse_to_python]),
                        )
                else:
                    # It's possible that we had some round trip (say, we sent /usr/lib and received
                    # it back, so, having no translation is ok too).

                    # Note: we don't normalize it here, this must be done as a separate
                    # step by the caller.
                    translated = absolute_path(translated)

            cache[filename] = translated
            return translated

    def _map_file_to_client(filename, cache=norm_filename_to_client_container):
        # The result of this method will be passed to eclipse