def write_data(self, thebook):
from pyexcel.book import to_book
book = thebook
if isinstance(thebook, BookStream):
book = to_book(thebook)
new_models = [model for model in self.models if model is not None]
batch_size = self.keywords.get(params.BATCH_SIZE, None)
initializers = self.keywords.get(params.INITIALIZERS, None)
if initializers is None:
initializers = [None] * len(new_models)
mapdicts = self.keywords.get(params.MAPDICTS, None)
if mapdicts is None:
mapdicts = [None] * len(new_models)
for sheet in book:
if len(sheet.colnames) == 0:
sheet.name_columns_by_row(0)
colnames_array = [sheet.colnames for sheet in book]
scattered = zip(new_models, colnames_array, mapdicts, initializers)
importer = DjangoModelImporter()
for each_model in scattered:
adapter = DjangoModelImportAdapter(each_model[0])
adapter.set_column_names(each_model[1])
adapter.set_column_name_mapping_dict(each_model[2])
adapter.set_row_initializer(each_model[3])
importer.append(adapter)
to_store = OrderedDict()
for sheet_name in book.sheet_names():
# due book.to_dict() brings in column_names
# which corrupts the data
to_store[sheet_name] = book[sheet_name]._array
save_data(importer,
to_store,
file_type=DB_DJANGO,
batch_size=batch_size)
def test_sheet_save_to_django_model(self):
model = FakeDjangoModel()
adapter = DjangoModelImportAdapter(model)
adapter.column_names = self.data[0]
writer = DjangoModelWriter(adapter)
writer.write_array(self.data[1:])
writer.close()
eq_(model.objects.objs, self.result)
def test_sheet_save_to_django_model_with_empty_array(self):
model = FakeDjangoModel()
data = [["X", "Y", "Z"], ['', '', ''], [1, 2, 3], [4, 5, 6]]
adapter = DjangoModelImportAdapter(model)
adapter.column_names = self.data[0]
writer = DjangoModelWriter(adapter)
writer.write_array(data[1:])
writer.close()
assert model.objects.objs == self.result
def test_mapping_array(self):
data2 = [["A", "B", "C"], [1, 2, 3], [4, 5, 6]]
model = FakeDjangoModel()
adapter = DjangoModelImportAdapter(model)
adapter.column_names = data2[0]
adapter.column_name_mapping_dict = ["X", "Y", "Z"]
writer = DjangoModelWriter(adapter)
writer.write_array(data2[1:])
writer.close()
eq_(model.objects.objs, self.result)
def test_save_to_more_models(self):
model1 = FakeDjangoModel()
model2 = FakeDjangoModel()
importer = DjangoModelImporter()
adapter1 = DjangoModelImportAdapter(model1)
adapter1.column_names = self.content['Sheet1'][0]
adapter2 = DjangoModelImportAdapter(model2)
adapter2.column_names = self.content['Sheet2'][0]
importer.append(adapter1)
importer.append(adapter2)
to_store = {
adapter1.get_name(): self.content['Sheet1'][1:],
adapter2.get_name(): self.content['Sheet2'][1:]
}
writer = DjangoBookWriter()
writer.open_content(importer)
writer.write(to_store)
writer.close()
assert model1.objects.objs == self.result1
assert model2.objects.objs == self.result2
def setUp(self):
self.data = [["X", "Y", "Z"], [1, 2, 3], [4, 5, 6]]
self.result = [{'Y': 2, 'X': 1, 'Z': 3}, {'Y': 5, 'X': 4, 'Z': 6}]
self.model = FakeDjangoModel()
importer = DjangoModelImporter()
adapter = DjangoModelImportAdapter(self.model)
adapter.column_names = self.data[0]
importer.append(adapter)
save_data(importer, {adapter.get_name(): self.data[1:]},
file_type=DB_DJANGO)
assert self.model.objects.objs == self.result
self.model._meta.update(["X", "Y", "Z"])
def test_load_sheet_from_django_model(self):
model = FakeDjangoModel()
importer = DjangoModelImporter()
adapter = DjangoModelImportAdapter(model)
adapter.column_names = self.data[0]
importer.append(adapter)
save_data(importer, {adapter.get_name(): self.data[1:]},
file_type=DB_DJANGO)
assert model.objects.objs == self.result
model._meta.update(["X", "Y", "Z"])
reader = DjangoModelReader(model)
data = reader.to_array()
assert list(data) == self.data
def write_data(self, sheet):
headers = sheet.colnames
if len(headers) == 0:
headers = sheet.rownames
importer = DjangoModelImporter()
adapter = DjangoModelImportAdapter(self.model)
adapter.set_column_names(headers)
adapter.set_column_name_mapping_dict(
self.keywords.get(params.MAPDICT, None))
adapter.set_row_initializer(self.keywords.get(params.INITIALIZER,
None))
importer.append(adapter)
save_data(importer, {adapter.get_name(): sheet.array},
file_type=DB_DJANGO)
def test_sheet_save_to_django_model_skip_me(self):
model = FakeDjangoModel()
def wrapper(row):
if row[0] == 4:
return None
else:
return row
adapter = DjangoModelImportAdapter(model)
adapter.column_names = self.data[0]
adapter.row_initializer = wrapper
writer = DjangoModelWriter(adapter)
writer.write_array(self.data[1:])
writer.close()
assert model.objects.objs == [{'Y': 2, 'X': 1, 'Z': 3}]
def test_load_and_format_sheet_from_django_model(self):
model = FakeDjangoModel()
importer = DjangoModelImporter()
adapter = DjangoModelImportAdapter(model)
adapter.column_names = self.data[0]
importer.append(adapter)
save_data(importer, {adapter.get_name(): self.data[1:]},
file_type=DB_DJANGO)
assert model.objects.objs == self.result
model._meta.update(["X", "Y", "Z"])
def row_renderer(row):
return [str(element) for element in row]
# the key point of this test case
reader = DjangoModelReader(model, row_renderer=row_renderer)
data = reader.to_array()
expected = [["X", "Y", "Z"], ['1', '2', '3'], ['4', '5', '6']]
eq_(list(data), expected)
def test_special_case_where_only_one_model_used(self):
model1 = FakeDjangoModel()
importer = DjangoModelImporter()
adapter = DjangoModelImportAdapter(model1)
adapter.column_names = self.content['Sheet1'][0]
importer.append(adapter)
to_store = {
adapter.get_name(): self.content['Sheet1'][1:],
"Sheet2": self.content['Sheet2'][1:]
}
save_data(importer, to_store, file_type=DB_DJANGO)
assert model1.objects.objs == self.result1
model1._meta.model_name = "Sheet1"
model1._meta.update(["X", "Y", "Z"])
exporter = DjangoModelExporter()
adapter = DjangoModelExportAdapter(model1)
exporter.append(adapter)
reader = DjangoBookReader()
reader.open_content(exporter)
data = reader.read_all()
assert list(data['Sheet1']) == self.content['Sheet1']