Hello everyone.
We are using a mongodb for our application an ran into a little problem.
We declare the following table:
db.define_table("pricing_plan",
Field("title", "string", notnull=True),
Field("image", "upload"),
Field("description", "text"),
Field("price", "integer", notnull=True ))
And when we try to populate some info through the database administrator in
the admin interface we get the following error:
<type 'exceptions.TypeError'> data must be an instance of str Versión
web2py™ Version 2.7.4-stable+timestamp.2013.10.14.15.16.29 Python Python
2.7.3: /usr/bin/python (prefix: /usr) Traceback
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Traceback (most recent call last):
File "/home/francisco/bytecam/web2py/gluon/restricted.py", line 217, in
restricted
exec ccode in environment
File
"/home/francisco/bytecam/web2py/applications/olifant/controllers/appadmin.py"
<http://127.0.0.1:8000/admin/default/edit/olifant/controllers/appadmin.py>,
line 635, in <module>
File "/home/francisco/bytecam/web2py/gluon/globals.py", line 372, in <lambda>
self._caller = lambda f: f()
File
"/home/francisco/bytecam/web2py/applications/olifant/controllers/appadmin.py"
<http://127.0.0.1:8000/admin/default/edit/olifant/controllers/appadmin.py>,
line 152, in insert
if form.accepts(request.vars, session):
File "/home/francisco/bytecam/web2py/gluon/sqlhtml.py", line 1518, in accepts
self.vars.id = self.table.insert(**fields)
File "/home/francisco/bytecam/web2py/gluon/dal.py", line 8781, in insert
ret = self._db._adapter.insert(self, self._listify(fields))
File "/home/francisco/bytecam/web2py/gluon/dal.py", line 5614, in insert
values = self._insert(table, fields)
File "/home/francisco/bytecam/web2py/gluon/dal.py", line 5604, in _insert
values[fieldname] = self.represent(v, fieldtype)
File "/home/francisco/bytecam/web2py/gluon/dal.py", line 5408, in represent
return Binary(value)
File "/usr/lib/python2.7/dist-packages/bson/binary.py", line 109, in __new__
"instance of %s" % (binary_type.__name__,))
TypeError: data must be an instance of str
At first I thought we were doing something wrong, but after checking
several times our code I decied to look at the dal code and it seem that
line 5408 is trying to convert None in a Binary. I put the code fragment
below.
5405 elif fieldtype == "blob":
5406 from bson import Binary
5407 if not isinstance(value, Binary):
5408 return Binary(value)
5409 return value
In the python console I did:
from bson import Binary
and then
Binary(None)
and it returns the same error. The thing is how do I fix this? I tried:
5405 elif fieldtype == "blob":
if value== None:
return value
5406 from bson import Binary
5407 if not isinstance(value, Binary):
5408 return Binary(value)
5409 return value
But ain't sure if that is right or not.
Hope someone can help me. Thanks.
--
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