Exemple #1
0
def load_extensions(environment, extensions):
    """Load the extensions from the list and bind it to the environment.
    Returns a dict of instanciated environments.
    """
    result = {}
    for extension in extensions:
        if isinstance(extension, basestring):
            extension = import_string(extension)
        result[extension.identifier] = extension(environment)
    return result
Exemple #2
0
def babel_extract(fileobj, keywords, comment_tags, options):
    """Babel extraction method for Jinja templates.

    :param fileobj: the file-like object the messages should be extracted from
    :param keywords: a list of keywords (i.e. function names) that should be
                     recognized as translation functions
    :param comment_tags: a list of translator tags to search for and include
                         in the results.  (Unused)
    :param options: a dictionary of additional options (optional)
    :return: an iterator over ``(lineno, funcname, message, comments)`` tuples.
             (comments will be empty currently)
    """
    extensions = set()
    for extension in options.get('extensions', '').split(','):
        extension = extension.strip()
        if not extension:
            continue
        extensions.add(import_string(extension))
    if InternationalizationExtension not in extensions:
        extensions.add(InternationalizationExtension)

    environment = get_spontaneous_environment(
        options.get('block_start_string', BLOCK_START_STRING),
        options.get('block_end_string', BLOCK_END_STRING),
        options.get('variable_start_string', VARIABLE_START_STRING),
        options.get('variable_end_string', VARIABLE_END_STRING),
        options.get('comment_start_string', COMMENT_START_STRING),
        options.get('comment_end_string', COMMENT_END_STRING),
        options.get('line_statement_prefix') or LINE_STATEMENT_PREFIX,
        options.get('line_comment_prefix') or LINE_COMMENT_PREFIX,
        str(options.get('trim_blocks', TRIM_BLOCKS)).lower() in \
            ('1', 'on', 'yes', 'true'),
        NEWLINE_SEQUENCE, frozenset(extensions),
        # fill with defaults so that environments are shared
        # with other spontaneus environments.  The rest of the
        # arguments are optimizer, undefined, finalize, autoescape,
        # loader, cache size, auto reloading setting and the
        # bytecode cache
        True, Undefined, None, False, None, 0, False, None
    )

    source = fileobj.read().decode(options.get('encoding', 'utf-8'))
    try:
        node = environment.parse(source)
    except TemplateSyntaxError, e:
        # skip templates with syntax errors
        return