34 lines
953 B
Python
34 lines
953 B
Python
"""
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Helper functions, constants, and types to aid with PyMongo v2.7 - v3.x support.
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"""
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import pymongo
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_PYMONGO_37 = (3, 7)
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PYMONGO_VERSION = tuple(pymongo.version_tuple[:2])
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IS_PYMONGO_3 = PYMONGO_VERSION[0] >= 3
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IS_PYMONGO_GTE_37 = PYMONGO_VERSION >= _PYMONGO_37
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def count_documents(collection, filter):
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"""Pymongo>3.7 deprecates count in favour of count_documents"""
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if IS_PYMONGO_GTE_37:
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return collection.count_documents(filter)
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else:
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count = collection.find(filter).count()
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return count
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def list_collection_names(db, include_system_collections=False):
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"""Pymongo>3.7 deprecates collection_names in favour of list_collection_names"""
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if IS_PYMONGO_GTE_37:
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collections = db.list_collection_names()
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else:
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collections = db.collection_names()
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if not include_system_collections:
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collections = [c for c in collections if not c.startswith('system.')]
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return collections
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