Python Django-ImportError:无法导入名称simplejson
我是Django的初学者,我遇到了一个导入错误:无法导入名称simplejson,有人建议更新extdirect的providers.py以导入json而不是simplejson,但在长时间的网上冲浪之后,我不知道如何做到这一点,我也不知道什么是extdirect?最终,我的目标是将ORM查询结果集转换为json并将其传递给客户端 代码如下:Python Django-ImportError:无法导入名称simplejson,python,json,django,serialization,simplejson,Python,Json,Django,Serialization,Simplejson,我是Django的初学者,我遇到了一个导入错误:无法导入名称simplejson,有人建议更新extdirect的providers.py以导入json而不是simplejson,但在长时间的网上冲浪之后,我不知道如何做到这一点,我也不知道什么是extdirect?最终,我的目标是将ORM查询结果集转换为json并将其传递给客户端 代码如下: from django.core import serializers vendors_json = AgreementVendors.objects.
from django.core import serializers
vendors_json = AgreementVendors.objects.select_related('agreement_unique').all()
return serializers.serialize('json', [x.agreement_unique for x in vendors_json])
模型:
class AgreementUnique(models.Model):
agreement_number = models.CharField(max_length=45, blank=True, null=True)
sign_date = models.DateTimeField(default=timezone.now)
cities = models.ForeignKey('address.Cities', on_delete=models.CASCADE)
sale_point = models.ForeignKey('legal_entity.SalePoint', on_delete=models.CASCADE)
sale_point_representative = models.ForeignKey('employee.Employees', on_delete=models.CASCADE)
partner_base = models.ForeignKey('PartnershipBase', on_delete=models.CASCADE)
agreement_from = models.DateField()
agreement_to = models.DateField()
blacknwhite = models.NullBooleanField()
prolongable = models.NullBooleanField()
class Meta:
managed = False
db_table = 'agreement_unique'
def __unicode__(self):
try:
return smart_unicode(AgreementEmployees.objects.get(agreement_unique=self.id).person_unique)
except AgreementEmployees.DoesNotExist:
return smart_unicode(self.agreement_number)
class AgreementVendors(models.Model):
agreement_unique = models.ForeignKey(AgreementUnique, on_delete=models.CASCADE)
vendors = models.ForeignKey('vendor.Vendors', on_delete=models.CASCADE)
return_percentage = models.FloatField()
payment_method = models.ForeignKey('additional.PaymentMethod', on_delete=models.CASCADE)
vendor_representative = models.ForeignKey('person.PersonUnique', on_delete=models.CASCADE)
days_of_payment = models.IntegerField()
class Meta:
managed = False
db_table = 'agreement_vendors'
def __unicode__(self):
return smart_unicode(self.vendors)
追溯:
Traceback (most recent call last):
File "C:\Python27\lib\site-packages\django\core\handlers\base.py", line 148, in get_response
response = self.process_exception_by_middleware(e, request)
File "C:\Python27\lib\site-packages\django\core\handlers\base.py", line 146, in get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Users\edgar\Desktop\Project\djprj\vendor\views.py", line 153, in create_new_vendor_agreement
return serializers.serialize('json', [x.agreement_unique for x in vendors_json])
File "C:\Python27\lib\site-packages\django\core\serializers\__init__.py", line 128, in serialize
s = get_serializer(format)()
File "C:\Python27\lib\site-packages\django\core\serializers\__init__.py", line 51, in __call__
raise self.exception
ImportError: cannot import name simplejson
另外,奇怪的是,在尝试通过Ctrl+F项目范围搜索simplejson时,我没有遇到一个simplejson实例
SERIALIZATION_MODULES
在您的settings.py中。它可能会覆盖默认的json序列化程序。您使用的是哪个版本的Django?我想知道Django升级是否会失败。Django很长时间没有使用
simplejson
。能否检查C:\Python27\lib\site packages\django\core\serializers\json.py
,并查看它是否包含来自django.utils import simplejson的行?非常确定它是django 1.9?皮普冻结?如果是,请尝试重新安装。加载序列化程序的Django代码似乎隐藏了异常的来源。您可以使用单步遍历代码并找到失败的导入。事实上,这是序列化_MODULES={'json':'wadofsuff.django.serializers.json'}@EdgarNavasardyan是的,这是您的过错。谢谢,@Irvan!!!!!这解决了我的问题。我忘了我没有从代码中删除这一行。谢谢