Return all the importer objects that can handle the specified files.

    Possible imports may vary depending on the currently active document

def get_possible_importers(file_uris, current_doc=None):
    """
    Return all the importer objects that can handle the specified files.

    Possible imports may vary depending on the currently active document
    """
    importers = []
    for importer in IMPORTERS:
        if importer.can_import(file_uris, current_doc):
            importers.append(importer)
    return importers