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        "author": "John E. Barham",
        "author_email": "jbarham@gmail.com",
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        "classifiers": [
            "Development Status :: 4 - Beta",
            "Intended Audience :: Developers",
            "License :: OSI Approved :: MIT License",
            "Operating System :: OS Independent",
            "Programming Language :: Python :: 2.5",
            "Topic :: System :: Filesystems"
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        "description": "Overview\r\n        ========\r\n        \r\n        Cdblib contains classes to read and write cdb (\"constant database\") files.\r\n        \r\n        Cdb files map string keys to string values with very fast record lookups.\r\n        Cdblib also allows for in-memory indexes to enable even faster lookups.\r\n        \r\n        See http://cr.yp.to/cdb.html on D. J. Bernstein's site for the original\r\n        specification.\r\n        \r\n        Installation\r\n        ============\r\n        \r\n        Cdblib requires Python 2.5.\r\n        \r\n        The cdblib package contains a C extension module for speedups, but its use\r\n        is not required and makes no difference to the interfaces exposed (except of\r\n        course for speed).\r\n        \r\n        To install with the C extension module for speed, run::\r\n        \r\n        # python setup.py install\r\n        \r\n        Alternatively, you can simply copy the file cdblib.py to somewhere in your\r\n        PYTHONPATH (but this will not include the speedups from the C extension).\r\n        \r\n        Example Usage\r\n        =============\r\n        \r\n        Create a new CDB (or update an existing one):\r\n        \r\n        >>> from cdblib import CDB, CDBWriter\r\n        >>> wcdb = CDBWriter(\"presidents.cdb\") # Create a new CDB file.\r\n        >>> wcdb[\"Reagan\"] = \"1981 - 1988\"\r\n        >>> wcdb[\"Bush\"] = \"1989 - 1992\"\r\n        >>> wcdb[\"Clinton\"] = \"1993 - 2000\"\r\n        >>> wcdb[\"Bush\"] = \"2001 - 2008\" # Creates a second record with the key \"Bush\".\r\n        >>> wcdb[\"Bush\"] # Return the first record with key \"Bush\".\r\n        '1989 - 1992'\r\n        >>> wcdb.getall(\"Bush\") # Return all records with the key \"Bush\".\r\n        ['1989 - 1992', '2001 - 2008']\r\n        >>> wcdb[\"Clinton\"]\r\n        '1993 - 2000'\r\n        >>> wcdb.getall(\"Clinton\")\r\n        ['1993 - 2000']\r\n        >>> wcdb[\"Gore\"] # Oops, the CDB doesn't contain the key \"Gore\".\r\n        Traceback (most recent call last):\r\n        File \"<stdin>\", line 1, in <module>\r\n        File \"cdblib.py\", line 135, in __getitem__\r\n        raise KeyError(key)\r\n        KeyError: 'Gore'\r\n        >>> wcdb.get(\"Gore\", \"Bush\") # Return \"Bush\" if the key \"Gore\" doesn't exist.\r\n        'Bush'\r\n        >>> wcdb.close() # Close the CDB file and prevent any more writes.\r\n        \r\n        Open an existing CDB read-only:\r\n        \r\n        >>> rcdb = CDB(\"presidents.cdb\") # Re-open the saved CDB file read-only.\r\n        >>> rcdb[\"Clinton\"]\r\n        '1993 - 2000'\r\n        >>> rcdb.close()\r\n        >>> rcdb = CDB(\"presidents.cdb\", load_index=True) # Load the CDB index into memory for faster lookups.",
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