def test_importing_rgb_does_not_set_large_format(self):
data_item = DataItem.DataItem(numpy.zeros((8, 8, 4), dtype=float))
with contextlib.closing(data_item):
data_item_rgb = DataItem.DataItem(numpy.zeros((8, 8, 4), dtype=numpy.uint8))
with contextlib.closing(data_item_rgb):
data_element = ImportExportManager.create_data_element_from_data_item(data_item, include_data=True)
data_element_rgb = ImportExportManager.create_data_element_from_data_item(data_item_rgb, include_data=True)
data_element.pop("large_format")
data_element_rgb.pop("large_format")
with contextlib.closing(ImportExportManager.create_data_item_from_data_element(data_element)) as data_item:
with contextlib.closing(ImportExportManager.create_data_item_from_data_element(data_element_rgb)) as data_item_rgb:
self.assertTrue(data_item.large_format)
self.assertFalse(data_item_rgb.large_format)
def test_data_item_to_data_element_includes_time_zone(self):
# created/modified are utc; timezone is specified in metadata/description/time_zone
data_item = DataItem.DataItem(numpy.zeros((16, 16)))
data_item.created = datetime.datetime(2013, 6, 18, 14, 5, 4,
0) # always utc
data_item.timezone = "Europe/Athens"
data_item.timezone_offset = "+0300"
data_item._set_modified(datetime.datetime(2013, 6, 18, 14, 5, 4,
0)) # always utc
data_item.metadata = {
"description": {
"time_zone": {
"tz": "+0300",
"dst": "+60"
}
}
}
data_element = ImportExportManager.create_data_element_from_data_item(
data_item, include_data=False)
self.assertEqual(
data_element["datetime_modified"], {
"dst": "+60",
"local_datetime": "2013-06-18T17:05:04",
'tz': "+0300",
'timezone': "Europe/Athens"
})
def test_data_item_to_data_element_and_back_keeps_large_format_flag(self):
data_item = DataItem.DataItem(numpy.zeros((4, 4, 4)), large_format=True)
with contextlib.closing(data_item):
data_element = ImportExportManager.create_data_element_from_data_item(data_item, include_data=True)
self.assertTrue(data_element.get("large_format"))
with contextlib.closing(ImportExportManager.create_data_item_from_data_element(data_element)) as data_item:
self.assertTrue(data_item.large_format)
def test_data_item_with_numpy_bool_to_data_element_produces_json_compatible_dict(
self):
data_item = DataItem.DataItem(numpy.zeros((16, 16)))
data_item.large_format = numpy.product(
(2, 3, 4), dtype=numpy.int64) > 10 # produces a numpy.bool_
with contextlib.closing(data_item):
data_element = ImportExportManager.create_data_element_from_data_item(
data_item, include_data=False)
json.dumps(data_element)
def test_data_item_to_data_element_produces_json_compatible_dict(self):
data_item = DataItem.DataItem(numpy.zeros((16, 16)))
data_item.created = datetime.datetime(2013, 6, 18, 14, 5, 4, 0) # always utc
data_item.timezone = "Europe/Athens"
data_item.timezone_offset = "+0300"
data_item.source_file_path = "/path/to/source/file"
data_item._set_modified(datetime.datetime(2013, 6, 18, 14, 5, 4, 0)) # always utc
data_item.metadata = {"description": {"time_zone": {"tz": "+0300", "dst": "+60"}}}
data_element = ImportExportManager.create_data_element_from_data_item(data_item, include_data=False)
json.dumps(data_element)
