[英]Django loaddata error
我在应用程序目录中创建了一个“灯具”文件夹,并将data1.json放在其中。
这是文件中的内容:
[{"firm_url": "http://www.graychase.com/kadam", "firm_name": "Gray & Chase", "first": " Karin ", "last": "Adam", "school": "Ernst Moritz Arndt University Greifswald", "year_graduated": " 2004"} ]
在命令行中,我进入应用程序目录,然后
django-admin.py loaddata data1.json
但是我得到这个错误
Installing json fixture 'data1' from
'C:\Users\A\Documents\Projects\Django\sw2\wkw2\fixtures'.
Problem installing fixture
'C:\Users\A\Documents\Projects\Django\sw2\wkw2\fixtures\data1.json': Traceback (most recent call last):
File "C:\Python26\Lib\site-packages\django\core\management\commands\loaddata.py", line 150, in handle for obj in objects:
File "C:\Python26\lib\site-packages\django\core\serializers\json.py", line 41, in Deserializer for obj in PythonDeserializer(simplejson.load(stream)):
File "C:\Python26\lib\site-packages\django\core\serializers\python.py", line 76, in Deserializer
Model = _get_model(d["model"])
KeyError: 'model'
我究竟做错了什么?
编辑:
我修复了json格式:
[
{
"pk": 1,
"model": "wkw2.Lawyer",
"fields": {
"school": "The George Washington University Law School",
"last": "Babas",
"firm_url": "http://www.graychase.com/babbas",
"year_graduated": "2005",
"firm_name": "Gray & Chase",
"first": "Amr A"
}
}
]
但是现在我收到ValidationError:此值必须是整数。 有没有办法从行号中找出导致错误的原因? 只有“ pk”是整数。
Problem installing fixture 'C:\~\sw2\wkw2\fixtures\csvtest1.csv.json': Traceback (most recent call last):
File "C:\Python26\Lib\site-packages\django\core\management\commands\loaddata.py", line 150, in handle for obj in objects:
File "C:\Python26\lib\site-packages\django\core\serializers\json.py", line 41, in Deserializer for obj in PythonDeserializer(simplejson.load(stream)):
File "C:\Python26\lib\site-packages\django\core\serializers\python.py", line 95, in Deserializer data[field.attname] = field.rel.to._meta.get_field(field.rel.field_name).to_python(field_value)
File "C:\Python26\lib\site-packages\django\db\models\fields\__init__.py", line 356, in to_python_("This value must be an integer."))
ValidationError: This value must be an integer.
看来您没有正确定义装置。 看一下Django文档 。 您需要定义要加载的模型,然后定义如下字段
[
{
"model": "myapp.person",
"pk": 1,
"fields": {
"first_name": "John",
"last_name": "Lennon"
}
},
{
"model": "myapp.person",
"pk": 2,
"fields": {
"first_name": "Paul",
"last_name": "McCartney"
}
}
]
看来问题出在您创建的装置中。 以下内容可能会导致问题:
您是否使用manage.py dumpdata
创建了灯具?
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