def extend(self, minutes=15, **kwargs):
"""Requests subsequent files from the server. If minutes is negative,
retrieve preceding files. """
if len(self.instruments) != 1:
raise ValueError
instrument = next(iter(self.instruments))
if minutes > 0:
data = CallistoSpectrogram.from_range(
instrument, self.end,
self.end + datetime.timedelta(minutes=minutes))
else:
data = CallistoSpectrogram.from_range(
instrument, self.start - datetime.timedelta(minutes=-minutes),
self.start)
data = data.clip_freq(self.freq_axis[-1], self.freq_axis[0])
return CallistoSpectrogram.join_many([self, data], **kwargs)
def extend(self, minutes=15, **kwargs):
"""Requests subsequent files from the server. If minutes is negative,
retrieve preceding files. """
if len(self.instruments) != 1:
raise ValueError
instrument = next(iter(self.instruments))
if minutes > 0:
data = CallistoSpectrogram.from_range(
instrument,
self.end, self.end + datetime.timedelta(minutes=minutes)
)
else:
data = CallistoSpectrogram.from_range(
instrument,
self.start - datetime.timedelta(minutes=-minutes), self.start
)
data = data.clip_freq(self.freq_axis[-1], self.freq_axis[0])
return CallistoSpectrogram.join_many([self, data], **kwargs)
def test_entries_from_file_withoutwaveunit():
# does not raise `WaveunitNotFoundError`, because no wavelength information
# is present in this file
next(entries_from_file(RHESSI_IMAGE))
with pytest.raises(WaveunitNotFoundError):
next(entries_from_file(EIT_195_IMAGE))
def test_entries_from_file_withoutwaveunit():
# does not raise `WaveunitNotFoundError`, because no wavelength information
# is present in this file
next(entries_from_file(RHESSI_IMAGE))
with pytest.raises(WaveunitNotFoundError):
next(entries_from_file(EIT_195_IMAGE))
def to_be_removed(self):
"""Return the least recently used key and its corresponding value as a
tuple.
"""
return six.next(self.iteritems())
