Module and Class Hierarchies

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Module Hierarchy

psycopg2: A Python driver for PostgreSQL
- _psycopg: psycopg PostgreSQL driver
- extensions: psycopg extensions to the DBAPI-2.0
- extras: Miscellaneous goodies for psycopg2
- pool: Connection pooling for psycopg2
- psycopg1: psycopg 1.1.x compatibility module
- tz: tzinfo implementations for psycopg2
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Class Hierarchy

__builtin__.object: +The most base type +
- psycopg2.pool.AbstractConnectionPool: +Generic key-based pooling code. +
  - psycopg2.pool.PersistentConnectionPool: +A pool that assigns persistent connections to different threads. +
  - psycopg2.pool.SimpleConnectionPool: +A connection pool that can't be shared across different threads. +
  - psycopg2.pool.ThreadedConnectionPool: +A connection pool that works with the threading module. +
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- __builtin__.list: +list() -> new list +list(sequence) -> new list initialized from sequence's items +
  - psycopg2.extras.DictRow: +A row object that allow by-colun-name access to data. +
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- psycopg2.extras.SQL_IN: +Adapt any iterable to an SQL quotable object. +
- __builtin__.type: +type(object) -> the object's type +type(name, bases, dict) -> a new type +
- datetime.tzinfo: +Abstract base class for time zone info objects. +
  - psycopg2.tz.FixedOffsetTimezone: +Fixed offset in minutes east from UTC. +
  - psycopg2.tz.LocalTimezone: +Platform idea of local timezone. +
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- psycopg2._psycopg.connection: +connection(dsn, ...) -> new connection object +
  - psycopg2.psycopg1.connection: +psycopg 1.1.x connection. +
  - psycopg2.extras.DictConnection: +A connection that uses DictCursor automatically. +
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- psycopg2._psycopg.cursor: +A database cursor. +
  - psycopg2.psycopg1.cursor: +psycopg 1.1.x cursor. +
  - psycopg2.extras.DictCursor: +A cursor that keeps a list of column name -> index mappings. +
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- psycopg2._psycopg.ISQLQuote: +Abstract ISQLQuote protocol +
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exceptions.Exception: +Common base class for all exceptions. +
- exceptions.StandardError: +Base class for all standard Python exceptions. +
  - psycopg2.Error: +Base class for error exceptions. +
    - psycopg2.DatabaseError: +Error related to the database engine. +
      - psycopg2.DataError: +Error related to problems with the processed data. +
      - psycopg2.IntegrityError: +Error related to database integrity. +
      - psycopg2.InternalError: +The database encountered an internal error. +
      - psycopg2.NotSupportedError: +A not supported datbase API was called. +
      - psycopg2.OperationalError: +Error related to database operation (disconnect, memory allocation etc). +
      - psycopg2.ProgrammingError: +Error related to database programming (SQL error, table not found etc). +
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    - psycopg2.InterfaceError: +Error related to the database interface. +
    - psycopg2.pool.PoolError +
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  - psycopg2.Warning: +A database warning. +
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