def _rankfile_dump(ff, rankfile, ranks):
'''
Store ranks in ``rankfile``. Also sets a timestamp and writes the
release string into the output.
:param ff: running :class:`ffflash.main.FFFlash` instance
:param rankfile: validated path to the ``rankfile``
:param ranks: content to store
:return: ``True`` on success, or ``False`` on error
'''
if not ff.access_for('rankfile'):
return False
if not all([
rankfile, ranks, isinstance(ranks, dict), all([
(a in ranks) for a in ['nodes', 'updated_at'] if ranks
])
]):
return ff.log('wrong input data passed', level=False)
ranks['updated_at'] = get_iso_timestamp()
ranks['version'] = info.release
if ff.args.dry:
ff.log('\n{}'.format(make_pretty(ranks)), level='rankfile preview')
return False
dump_file(rankfile, ranks, as_yaml=False)
ff.log('successfully stored rankfile {}'.format(rankfile))
return True
def test_make_pretty():
for u in [
None, False, True, 0, 23, 42, 13.37,
list(), dict(), set(), 'a', 'b', ['c', 'd'],
{'e': 'f'}, {'g', 'h', 'i'}
]:
assert make_pretty(u) == pformat(u)
def test_make_pretty_unprintables():
for u in [
list, dict, set, str, int, bool, type,
vars, dir, len, max, min, range, isinstance,
pformat, make_pretty
]:
assert make_pretty(u) is None
def pretty(self):
'''
:return str: current content in a human readable way
using **pprint.pformat**
'''
return make_pretty(self.c)
