当我在 Django 管理中使用这个 resources.py 时,一切正常。但是,当我在我的自定义视图页面上执行此操作时,**kwargs 用户自动填充出现了一个问题。
错误一定是在我看来,因为它没有通过 **kwargs,但我不确定如何解决它。我应该在哪里传递这些信息?
KeyError at /import/
'user'
C:\Users\winkl\tj3\venv\lib\site-packages\import_export\resources.py in import_row
self.after_import_instance(instance, new, **kwargs) …
C:\Users\winkl\tj3\portfolios\resources.py in after_import_instance
instance.created_by = kwargs['user']
resources.py
class EntryResource(resources.ModelResource):
symbol = fields.Field(
attribute="symbol",
column_name="symbol",
widget=SymbolWidget(Symbol, 'name'),
)
date = fields.Field(
attribute="date",
column_name="date",
widget=widgets.DateTimeWidget(format="%Y-%m-%d %H:%M:%S"),
)
class Meta:
model = Entry
fields = ('symbol', 'date', 'id', 'amount', 'price', 'fee', 'entry_type', 'reg_fee',)
import_order = fields
skip_unchanged = False
report_skipped = True
def after_import_instance(self, instance, new, row_number=None, **kwargs):
print(f' Kwargs: {kwargs}')
instance.created_by = kwargs['user']
def after_save_instance(self, instance, using_transactions, dry_run):
pass
view.py
@login_required
def import_data(request):
if request.method == 'POST':
trade_resource = EntryResource()
dataset = Dataset()
new_trades = request.FILES['importData']
imported_data = dataset.load(new_trades.read().decode('utf-8'),format='csv')
result = trade_resource.import_data(dataset, dry_run=True, raise_errors=True)
if result.has_errors():
messages.error(request, 'Uh oh! Something went wrong...')
else:
# Import now
trade_resource.import_data(dataset, dry_run=False)
messages.success(request, 'Your words were successfully imported')
return render(request, 'dashboard/import.html')
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