perceval/backend.py
def fetch_from_archive(backend_class, backend_args, manager,
                       category, archived_after):
    """Fetch items from an archive manager.

    Generator to get the items of a category (previously fetched
    by the given backend class) from an archive manager. Only those
    items archived after the given date will be returned.

    The parameters needed to initialize `backend` and get the
    items are given using `backend_args` dict parameter.

    :param backend_class: backend class to retrive items
    :param backend_args: dict of arguments needed to retrieve the items
    :param manager: archive manager where the items will be retrieved
    :param category: category of the items to retrieve
    :param archived_after: return items archived after this date

    :returns: a generator of archived items
    """
    init_args = find_signature_parameters(backend_class.__init__,
                                          backend_args)
    backend = backend_class(**init_args)

    filepaths = manager.search(backend.origin,
                               backend.__class__.__name__,
                               category,
                               archived_after)

    for filepath in filepaths:
        backend.archive = Archive(filepath)
        items = backend.fetch_from_archive()

        try:
            for item in items:
                yield item
        except ArchiveError as e:
            logger.warning("Ignoring %s archive due to: %s", filepath, str(e))
def fetch_from_archive(backend_class, backend_args, manager,
                       category, archived_after):
    """Fetch items from an archive manager.

    Generator to get the items of a category (previously fetched
    by the given backend class) from an archive manager. Only those
    items archived after the given date will be returned.

    The parameters needed to initialize `backend` and get the
    items are given using `backend_args` dict parameter.

    :param backend_class: backend class to retrive items
    :param backend_args: dict of arguments needed to retrieve the items
    :param manager: archive manager where the items will be retrieved
    :param category: category of the items to retrieve
    :param archived_after: return items archived after this date

    :returns: a generator of archived items
    """
    init_args = find_signature_parameters(backend_class.__init__,
                                          backend_args)
    backend = backend_class(**init_args)

    filepaths = manager.search(backend.origin,
                               backend.__class__.__name__,
                               category,
                               archived_after)

    for filepath in filepaths:
        backend.archive = Archive(filepath)
        items = backend.fetch_from_archive()

        try:
            for item in items:
                yield item
        except ArchiveError as e:
            logger.warning("Ignoring %s archive due to: %s", filepath, str(e))
Fetch items from an archive manager.

    Generator to get the items of a category (previously fetched
    by the given backend class) from an archive manager. Only those
    items archived after the given date will be returned.

    The parameters needed to initialize `backend` and get the
    items are given using `backend_args` dict parameter.

    :param backend_class: backend class to retrive items
    :param backend_args: dict of arguments needed to retrieve the items
    :param manager: archive manager where the items will be retrieved
    :param category: category of the items to retrieve
    :param archived_after: return items archived after this date

    :returns: a generator of archived items