gridfs example

examples/gridfs_demo.py

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+# Copyright 2009 10gen, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""A simple demo of gridfs
+
+To run this, make sure that you are running an instance of Mongo on
+localhost:27017 and that you have the PyMongo distribution installed:
+
+$ easy_install pymongo
+
+Then do:
+
+$ python gridfs_demo.py
+"""
+
+import sys
+
+from pymongo.connection import Connection
+from pymongo.errors import ConnectionFailure
+import gridfs
+
+# Make a connection to Mongo.
+try:
+    connection = Connection("localhost", 27017)
+except ConnectionFailure:
+    print "couldn't connect: be sure that Mongo is running on localhost:27017"
+    sys.exit(1)
+
+# We need a database for GridFS to use, but first make sure it's clean.
+connection.drop_database("test")
+db = connection["test"]
+
+# Create our GridFS instance
+fs = gridfs.GridFS(db)
+
+# Open a GridFile for writing, and write some content
+f = fs.open("hello.txt", "w")
+f.write("hello ")
+f.write("world")
+f.close()
+
+# Now print the contents of the file
+g = fs.open("hello.txt")
+print g.read()