PYTHON-1642 - Replace count() with count_documents({}) in docs (#376)

(cherry picked from commit 7f1939e)

bson/binary.py

@@ -198,9 +198,9 @@ class UUIDLegacy(Binary):
       ...                          CodecOptions(uuid_representation=STANDARD))
       >>> coll.insert_one({'uuid': Binary(my_uuid.bytes, 3)}).inserted_id
       ObjectId('...')
-      >>> coll.find({'uuid': my_uuid}).count()
+      >>> coll.count_documents({'uuid': my_uuid})
       0
-      >>> coll.find({'uuid': UUIDLegacy(my_uuid)}).count()
+      >>> coll.count_documents({'uuid': UUIDLegacy(my_uuid)})
       1
       >>> coll.find({'uuid': UUIDLegacy(my_uuid)})[0]['uuid']
       UUID('...')
@@ -209,9 +209,9 @@ class UUIDLegacy(Binary):
       >>> doc = coll.find_one({'uuid': UUIDLegacy(my_uuid)})
       >>> coll.replace_one({"_id": doc["_id"]}, doc).matched_count
       1
-      >>> coll.find({'uuid': UUIDLegacy(my_uuid)}).count()
+      >>> coll.count_documents({'uuid': UUIDLegacy(my_uuid)})
       0
-      >>> coll.find({'uuid': {'$in': [UUIDLegacy(my_uuid), my_uuid]}}).count()
+      >>> coll.count_documents({'uuid': {'$in': [UUIDLegacy(my_uuid), my_uuid]}})
       1
       >>> coll.find_one({'uuid': my_uuid})['uuid']
       UUID('...')

doc/examples/bulk.rst

@@ -29,7 +29,7 @@ bulk insert operations.
   >>> db = pymongo.MongoClient().bulk_example
   >>> db.test.insert_many([{'i': i} for i in range(10000)]).inserted_ids
   [...]
-  >>> db.test.count()
+  >>> db.test.count_documents({})
   10000
 
 Mixed Bulk Write Operations

doc/tutorial.rst

@@ -333,20 +333,20 @@ author is "Mike":
 Counting
 --------
 If we just want to know how many documents match a query we can
-perform a :meth:`~pymongo.cursor.Cursor.count` operation instead of a
-full query. We can get a count of all of the documents in a
-collection:
+perform a :meth:`~pymongo.collection.Collection.count_documents` operation
+instead of a full query. We can get a count of all of the documents
+in a collection:
 
 .. doctest::
 
-  >>> posts.count()
+  >>> posts.count_documents({})
   3
 
 or just of those documents that match a specific query:
 
 .. doctest::
 
-  >>> posts.find({"author": "Mike"}).count()
+  >>> posts.count_documents({"author": "Mike"})
   2
 
 Range Queries

pymongo/collection.py

@@ -647,7 +647,7 @@ def insert_one(self, document, bypass_document_validation=False,
                    session=None):
         """Insert a single document.
 
-          >>> db.test.count({'x': 1})
+          >>> db.test.count_documents({'x': 1})
           0
           >>> result = db.test.insert_one({'x': 1})
           >>> result.inserted_id
@@ -697,12 +697,12 @@ def insert_many(self, documents, ordered=True,
                     bypass_document_validation=False, session=None):
         """Insert an iterable of documents.
 
-          >>> db.test.count()
+          >>> db.test.count_documents({})
           0
           >>> result = db.test.insert_many([{'x': i} for i in range(2)])
           >>> result.inserted_ids
           [ObjectId('54f113fffba522406c9cc20e'), ObjectId('54f113fffba522406c9cc20f')]
-          >>> db.test.count()
+          >>> db.test.count_documents({})
           2
 
         :Parameters:
@@ -1156,12 +1156,12 @@ def _delete(session, sock_info, retryable_write):
     def delete_one(self, filter, collation=None, session=None):
         """Delete a single document matching the filter.
 
-          >>> db.test.count({'x': 1})
+          >>> db.test.count_documents({'x': 1})
           3
           >>> result = db.test.delete_one({'x': 1})
           >>> result.deleted_count
           1
-          >>> db.test.count({'x': 1})
+          >>> db.test.count_documents({'x': 1})
           2
 
         :Parameters:
@@ -1194,12 +1194,12 @@ def delete_one(self, filter, collation=None, session=None):
     def delete_many(self, filter, collation=None, session=None):
         """Delete one or more documents matching the filter.
 
-          >>> db.test.count({'x': 1})
+          >>> db.test.count_documents({'x': 1})
           3
           >>> result = db.test.delete_many({'x': 1})
           >>> result.deleted_count
           3
-          >>> db.test.count({'x': 1})
+          >>> db.test.count_documents({'x': 1})
           0
 
         :Parameters:
@@ -2434,7 +2434,7 @@ def watch(self, pipeline=None, full_document='default', resume_after=None,
         stage and returns a 
         :class:`~pymongo.change_stream.CollectionChangeStream` cursor which
         iterates over changes on this collection.
-        
+
         Introduced in MongoDB 3.6.
 
         .. code-block:: python
@@ -2875,11 +2875,11 @@ def find_one_and_delete(self, filter,
                             projection=None, sort=None, session=None, **kwargs):
         """Finds a single document and deletes it, returning the document.
 
-          >>> db.test.count({'x': 1})
+          >>> db.test.count_documents({'x': 1})
           2
           >>> db.test.find_one_and_delete({'x': 1})
           {u'x': 1, u'_id': ObjectId('54f4e12bfba5220aa4d6dee8')}
-          >>> db.test.count({'x': 1})
+          >>> db.test.count_documents({'x': 1})
           1
 
         If multiple documents match *filter*, a *sort* can be applied.