I have these mongoengine models declared:
class SyncDiscrepancy(EmbeddedDocument):
upi = StringField(primary_key=True)
error_code = IntField(required=True)
meta = {
'indexes': ['upi', 'error_code']
}
########## END SYNC
class Flight(Document):
identifier = StringField(primary_key=True)
env = StringField(required=True, max_length=3)
peak = IntField(required=True)
carrier = StringField(required=True, max_length=3)
number = IntField(required=True)
boardpoint = StringField(required=True)
offpoint = StringField(required=True)
date = DateTimeField(required=True)
status = StringField(required=True)
# store comments
comments = StringField()
last_modified = DateTimeField(required=True)
local_discrepancies = ListField(EmbeddedDocumentField(LocalDiscrepancy))
sync_discrepancies = ListField(EmbeddedDocumentField(SyncDiscrepancy))
count_local = IntField(required=True)
count_sync = IntField(required=True)
meta = {
'indexes': ['_id', 'env','peak', 'date'],
'ordering': ['-date']
}
And I try a basic
>>> sy = SyncDiscrepancy(upi='axzdsa', error_code=2)
>>> fl = Flight()
>>> fl.sync_discrepancies.append(sy)
>>> fl.save()
Traceback (most recent call last):
File "<debugger>", line 1, in <module>
fl.save()
File "/usr/lib/python2.7/site-packages/mongoengine/document.py", line 224, in save
self.validate(clean=clean)
File "/usr/lib/python2.7/site-packages/mongoengine/base/document.py", line 323, in validate
raise ValidationError(message, errors=errors)
ValidationError: ValidationError (Flight:None) (Invalid embedded document instance provided to an EmbeddedDocumentField: ['sync_discrepancies'] Field is required: ['status', 'count_local', 'offpoint', 'identifier', 'number', 'boardpoint', 'last_modified', 'peak', 'env', 'carrier', 'date', 'count_sync'])
Now I know that I didn't fill the required fields for flight
, but even if I do, I still get this error Invalid embedded document instance provided to an EmbeddedDocumentField: ['sync_discrepancies']
. What exactly is the problem with how I declare the SyncDiscrepancy
and save the flight??
Using mongoengine==0.8.7
EDIT Shortened it to
class SyncDiscrepancy(EmbeddedDocument):
error_code = IntField()
class Flight(Document):
sync_discrepancies = ListField(EmbeddedDocumentField(SyncDiscrepancy))
and:
>>> sy = SyncDiscrepancy(error_code=2)
>>> fl = Flight()
>>> fl.sync_discrepancies.append(fl)
>>> fl.save()
Traceback (most recent call last):
File "<debugger>", line 1, in <module>
fl.save()
File "/usr/lib/python2.7/site-packages/mongoengine/document.py", line 224, in save
self.validate(clean=clean)
File "/usr/lib/python2.7/site-packages/mongoengine/base/document.py", line 323, in validate
raise ValidationError(message, errors=errors)
ValidationError: ValidationError (Flight:None) (Invalid embedded document instance provided to an EmbeddedDocumentField: ['sync_discrepancies'])
>>>
I don't understand why I get this error.
I ended up switching the order of the model declarations and it just worked (i.e. declaring the model after being referenced (???))
class Flight(Document):
sync_discrepancies = ListField(EmbeddedDocumentField('SyncDiscrepancy'))
class SyncDiscrepancy(EmbeddedDocument):
error_code = IntField()
I was going crazy with this error and in my case embedded document classes where referenced by name (using a quote '
notation) and removing the quotes fixed the issue.
I had something like this:
class SyncDiscrepancy(EmbeddedDocument):
error_code = IntField()
class Flight(Document):
sync_discrepancies = ListField(EmbeddedDocumentField('SyncDiscrepancy'))
Changing it to this
class SyncDiscrepancy(EmbeddedDocument):
error_code = IntField()
class Flight(Document):
sync_discrepancies = ListField(EmbeddedDocumentField(SyncDiscrepancy))
fixed the issue.
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