我有一个烧瓶网络应用程序正在工作。我正在使用带烧瓶ZODB扩展的ZODB。在
创建我的dbs的方式如下:
from ZODB.DB import DB
from ZODB.FileStorage import FileStorage
from flask.ext.zodb import BTree
import transaction
# crea los indices de los principales objetos
storage = FileStorage('myproject/database/db.fs')
conn = DB(storage)
db = conn.open().root()
for idx in ['usuarios', 'proyectos', 'informes', 'actividades', 'objetivos', 'usuarios']:
if not idx in db.keys():
db[idx] = BTree()
transaction.commit();
conn.close();
我的型号:
^{pr2}$尝试添加im对象时出现问题:
def agregarProyecto(self, proyecto):
if not proyecto.nombre in list(self.db['proyectos'].keys()):
self.db['proyectos'][proyecto.nombre] = proyecto
我得到了这个错误:
Traceback:
File "S:\Fuentes\workspace\Python\flaskapps\venv\lib\site-packages\flask\app.py", line 1836, in __call__
return self.wsgi_app(environ, start_response)
File "S:\Fuentes\workspace\Python\flaskapps\venv\lib\site-packages\flask\app.py", line 1820, in wsgi_app
response = self.make_response(self.handle_exception(e))
File "S:\Fuentes\workspace\Python\flaskapps\venv\lib\site-packages\flask\app.py", line 1403, in handle_exception
reraise(exc_type, exc_value, tb)
File "S:\Fuentes\workspace\Python\flaskapps\venv\lib\site-packages\flask\app.py", line 1817, in wsgi_app
response = self.full_dispatch_request()
File "S:\Fuentes\workspace\Python\flaskapps\venv\lib\site-packages\flask\app.py", line 1477, in full_dispatch_request
rv = self.handle_user_exception(e)
File "S:\Fuentes\workspace\Python\flaskapps\venv\lib\site-packages\flask\app.py", line 1381, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "S:\Fuentes\workspace\Python\flaskapps\venv\lib\site-packages\flask\app.py", line 1475, in full_dispatch_request
rv = self.dispatch_request()
File "S:\Fuentes\workspace\Python\flaskapps\venv\lib\site-packages\flask\app.py", line 1461, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "S:\Fuentes\workspace\Python\flaskapps\myproject-app\myproject\views.py", line 24, in cargarProyecto
coleccion.agregarProyecto(form.crearProyecto())
File "S:\Fuentes\workspace\Python\flaskapps\myproject-app\myproject\basedatos.py", line 27, in agregarProyecto
self.db['proyectos'][proyecto.nombre] = proyecto
TypeError: Object has default comparison
我做的和教程上说的一模一样。我做了一个简单的测试,并没有存储对象,而是存储了一个字符串,效果很好。有什么想法吗?在
您的键是
None
或类似的值;一个本身没有顺序的对象。在确保
proyecto.nombre
是可排序类型(例如整数或字符串)。在相关问题 更多 >
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