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cx_Oracle is a Python extension module that allows access to Oracle databases and conforms to the Python database API specification version 2.0
Project has moved to GitHub (https://github.com/oracle/python-cx_Oracle) and new builds are available at PyPI (https://pypi.python.org/pypi/cx_Oracle).
sem is a command line interface for working with named semaphores. This allows you to easily coordinate multiple shell scripts, enforce one at a time access to files, etc.