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from .document import Document |
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from .paginator import Paginator |
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class Collection: |
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def __init__(self, manager, document): |
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""" |
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Args: |
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manager: |
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document: |
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""" |
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self.manager = manager |
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self.document = document |
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self.collection_name = self.manager.collection_name.encode(self.document.__name__) |
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self.collection = self.manager.db[self.collection_name] |
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def find(self, *args, **kwargs): |
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""" |
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Args: |
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*args: |
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**kwargs: |
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Returns: |
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""" |
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# return Query(self.collection.find(*args, **kwargs)) |
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return [self.objectify(document) for document in self.collection.find(*args, **kwargs)] |
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def find_one(self, *args, **kwargs): |
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""" |
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Args: |
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*args: |
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**kwargs: |
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Returns: |
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""" |
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return self.objectify(self.collection.find_one(*args, **kwargs)) |
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def save(self, *args): |
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""" |
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Args: |
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*args: One or more documents |
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""" |
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for document in args: |
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if not isinstance(document, Document): |
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continue |
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if '_id' not in document: |
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self.collection.insert(document) |
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else: |
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self.collection.update({ |
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"_id": document['_id'] |
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}, document, upsert=True) |
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def refresh(self, *args): |
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""" |
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Args: |
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*args: One or more documents |
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""" |
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for document in args: |
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if not isinstance(document, Document) or '_id' not in document: |
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continue |
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document.update(self.collection.find_one(document['_id'])) |
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def remove(self, *args): |
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""" |
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Args: |
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*args: One or more documents |
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""" |
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for document in args: |
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if not isinstance(document, Document) or '_id' not in document: |
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continue |
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self.collection.remove({"_id": document['_id']}) |
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document.clear() |
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def paginate(self, **kwargs): |
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""" |
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Args: |
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**kwargs: |
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Returns: |
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Paginator: |
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""" |
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return Paginator(self, **kwargs) |
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def objectify(self, document): |
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""" |
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Args: |
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document: |
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Returns: |
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Document: |
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""" |
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if not callable(self.document): |
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raise LookupError('Unable to associate Document in Collection.') |
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prototype = self.document() |
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prototype.update(document) |
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return prototype |
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