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POError : "Document BlogPost may not be subclassed" mongoengine
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  1. POError : "Document BlogPost may not be subclassed" mongoengine
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    copied!<p>I am using pymongo version 2.6.1 with mongoengine 0.8.4. And I want to create one code using tutorial given in</p> <p>link <a href="https://mongoengine-odm.readthedocs.org/en/latest/tutorial.html" rel="nofollow">https://mongoengine-odm.readthedocs.org/en/latest/tutorial.html</a></p> <p>My code is as follows in sample.py file: </p> <pre><code>from mongoengine import * import datetime class BlogPost(Document): title = StringField(required=True, max_length=200) posted = DateTimeField(default=datetime.datetime.now) tags = ListField(StringField(max_length=50)) class TextPost(BlogPost): content = StringField(required=True) class LinkPost(BlogPost): url = StringField(required=True) </code></pre> <p>On terminal wnen I run , I get follwing error:</p> <p>Python 2.7.3 (default, Apr 10 2013, 05:46:21) [GCC 4.6.3] on linux2 Type "help", "copyright", "credits" or "license" for more information.</p> <blockquote> <blockquote> <blockquote> <p>from sample import Post Traceback (most recent call last): File "", line 1, in File "sample.py", line 9, in class TextPost(BlogPost): File "/usr/local/lib/python2.7/dist-packages/mongoengine/base/metaclasses.py", line 332, in <strong>new</strong> new_class = super_new(cls, name, bases, attrs) File "/usr/local/lib/python2.7/dist-packages/mongoengine/base/metaclasses.py", line 120, in <strong>new</strong> base.<strong>name</strong>) <b>ValueError: Document BlogPost may not be subclassed</b></p> </blockquote> </blockquote> </blockquote> <p>Please help me. I also tried uninstall and reinstall. but it not works. </p>
 

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