MongoEngine / MongoEngine/mongoengine

Create model instances containing the field _created

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Question
Dominant language
Python
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Description

Eve (http://python-eve.org/) writes mongo documents containing the field :_created". It uses this to hold a timestamp for the document creation time. When I retrieve this object, the call to the model constructor files in base/document.py line 722 looks like this:
obj = cls(__auto_convert=False, _created=created, __only_fields=only_fields, **data)
At this point, data is a dict containing a key "_created" so this call fails because there are multiple values for the keywork "_created".

Is there any easy way to use a different internal keyword other than _created for this purpose, so that it does not clash with what is in the database? Or is there some other way around this?

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Research direction

Start at base/document.py line 722 and reproduce retrieval of an Eve document containing the _created field. Trace how the model constructor receives created and data, then verify that documents with _created can be instantiated without duplicate-keyword errors.

Written by the indexing model from the issue text.

Assessment

Tech stack
mongodb, python
Domain
databases
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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