Implement context manager for Cursor object to enable with statement.
Currently the with statement can't be used for cursors because they don't implement a context manager, i.e. the __enter__ and __exit__ attributes meaning that the following code will fail:
with conn.cursor() as c:
c.execute("SELECT 'test' from dual")
result = c.fetchall()
print(result)
File “/Users/gvenzl/test/test.py”, line 23, in test
with conn.cursor() as c:
AttributeError: __exit__
It would make sense to enable cursor object to be used in with statements that take care of closing the cursors automatically.
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