def assert_file_is_current(self, reference, requirements=[], **kw):
"""Assert that the file given by the ``reference`` pathname has been
created or updated after the given list of ``requirement`` file names,
raise :py:class:`UpdateNeeded` otherwise.
:param str reference: The file path you want to check for being
current.
:param list requirements: The list of filenames you want to check
against.
:param dict kw: Arguments that are passed through to
``last_update`` which can be used to use different time stamps
than ``st_mtime``. See
:py:meth:`batou.lib.file.File.last_updated` for possible values.
:return: ``None``, if ``reference`` is as new or newer as all
``requirements``.
:raises UpdateNeeded: if the reference file is older than any of the
``requirements``.
"""
from batou.lib.file import Presence
reference = Presence(reference)
self |= reference
reference.assert_component_is_current(
[Presence(r) for r in requirements], **kw)
def verify(self):
self.assert_file_is_current("bin/buildout")
# XXX we can't be sure that all config objects are files!
installed = Presence(".installed.cfg")
self |= installed
installed.assert_component_is_current([Presence("bin/buildout")] +
self.config)
self.assert_file_is_current(".batou.buildout.success",
[".installed.cfg"])
self.assert_no_subcomponent_changes()