# Package org.python.core

- Interface Summary
  Interface | Description
  --- | ---
  BufferProtocol | Interface marking an object as capable of exposing its internal state as a `PyBuffer`.
  BytecodeNotification.Callback | Interface for callbacks.
  ClassDictInit | An empty tagging interface that can be used if a java class want control over the class dict initialization.
  CodeBootstrap |
  Console | A class named in configuration as the value of `python.console` must implement this interface, and provide a constructor with a single `String` argument, to be acceptable during initialization of the interpreter.
  ContainsPyBytecode | Jython stores Python-Bytecode of methods and functions that exceed JVM method-size restrictions in String literals.
  ContextManager | A `PyObject` that provides `__enter__` and `__exit__` methods for use in the with-statement.
  InitModule | Deprecated This class is deprecated.
  JythonInitializer | A service for initializing Jython without explicitly calling `PySystemState.initialize()`.
  Opcode |
  Pragma |
  PragmaReceiver |
  PyBUF | This interface provides a base for the key interface of the buffer API, `PyBuffer`, including symbolic constants used by the consumer of a `PyBuffer` to specify its requirements and assumptions.
  PyBuffer | The Jython buffer API for access to a byte array within an exporting object.
  PyBuiltinCallable.Info |
  PyProxy | Common methods for all generated proxy classes.
  PyRunnable | Interface implemented by compiled modules which allow access to to the module code object.
  PythonCodeBundle |
  PythonCompiler |
  Slotted |
  Traverseproc | This interface defines a CPython-equivalent traverse-mechanism allowing to detect reference cycles.
  TraverseprocDerived | This is used like `Traverseproc`, but traverses only the `slots[]`-array of `fooDerived`-classes.
  ucnhashAPI |
  Visitproc |

- Class Summary
  Class | Description
  --- | ---
  __builtin__ | The builtin module.
  AbstractArray | Abstract class that manages bulk structural and data operations on arrays, defering type-specific element-wise operations to the subclass.
  AbstractDict |
  AnnotationReader | This class reads a classfile from a byte array and pulls out the value of the class annotation for APIVersion, which can then be retrieved by a call to getVersion().
  ArgParser | A utility class for handling mixed positional and keyword arguments.
  AstList |
  BaseBytes | Base class for Jython `bytearray` (and `bytes` in due course) that provides most of the Java API, including Java `List` behaviour.
  BaseDictionaryView |
  BaseSet |
  BuiltinDocs |
  BytecodeLoader | Utility class for loading compiled Python modules and Java classes defined in Python modules.
  BytecodeLoader.Loader |
  BytecodeNotification | Notifies registered callbacks if new bytecode is loaded.
  ClasspathPyImporter |
  ClasspathPyImporterDerived |
  codecs | This class implements the codec registry and utility methods supporting codecs, such as those providing the standard replacement strategies ("ignore", "backslashreplace", etc.).
  codecs.CodecState |
  CodeLoader |
  CompilerFacade | Facade for different compiler implementations.
  CompilerFlags |
  ContextGuard | Straightens the call path for some common cases
  Deriveds | Derived classes utility methods.
  exceptions | The builtin exceptions module.
  FilelikeInputStream |
  FunctionThread |
  IdImpl |
  IdImpl.WeakIdentityMap |
  imp | Utility functions for "import" support.
  imp.CodeData | A bundle of a file name, the file's content and a last modified time, with no behaviour.
  JavaImporter | Load Java classes.
  JavaImportHelper | Helper class handling the VM specific java package detection.
  JavaIterator |
  JyAttribute | Manages a linked list of general purpose Object-attributes that can be attached to arbitrary `PyObject`s.
  NewCompilerResources | This class contains stuff that almost exists in the library already, but with interfaces that I found more suitable.
  Options | A class with static fields for each of the settable options.
  ParserFacade | Facade for the classes in the org.python.antlr package.
  PlainConsole | A base class for classes that can install a console wrapper for a specific console-handling library.
  Pragma.ForbiddenPragmaModule |
  Pragma.PragmaModule |
  PrePy | This class is part of the Jython run-time system, and contains only "pre-Python" data and methods that may safely be used before the type system is ready.
  Py |
  Py2kBuffer | Implementation of the Python `buffer` type.
  PyArray | The type `array.array`.
  PyArrayDerived |
  PyBaseCode |
  PyBaseException | The base class for all standard Python exceptions.
  PyBaseExceptionDerived |
  PyBaseString | base class for jython strings.
  PyBeanEvent<T> |
  PyBeanEventProperty |
  PyBeanProperty |
  PyBoolean | The builtin python bool.
  PyBuffer.Pointer | Deprecated
  PyBuiltinCallable |
  PyBuiltinCallable.DefaultInfo |
  PyBuiltinClassMethodNarrow | A builtin classmethod with a restricted number of arguments.
  PyBuiltinFunction |
  PyBuiltinFunctionNarrow |
  PyBuiltinFunctionSet | A helper class for faster implementations of commonly called methods.
  PyBuiltinMethod |
  PyBuiltinMethodNarrow |
  PyBuiltinMethodSet |
  PyByteArray | Implementation of Python `bytearray` with a Java API that includes equivalents to most of the Python API.
  PyByteArrayDerived |
  PyBytecode |
  PyCallIter |
  PyCell | The Python cell type.
  PyClass | The classic Python class.
  PyClassMethod | The classmethod descriptor.
  PyClassMethodDerived |
  PyClassMethodDescr |
  PyCode | A super class for all python code implementations.
  PyComplex | A builtin python complex number
  PyComplexDerived |
  PyCompoundCallable |
  PyDataDescr | Implements type checking and return type coercion for a data descriptor.
  PyDescriptor |
  PyDictionary | A builtin python dictionary.
  PyDictionaryDerived |
  PyDictProxy | Readonly proxy for dictionaries (actually any mapping).
  PyEllipsis | A class representing the singleton Ellipsis `...`
  PyEnumerate | The Python builtin enumerate type.
  PyEnumerateDerived |
  PyFastSequenceIter | Sequence iterator specialized for accessing the underlying sequence directly.
  PyFile | The Python file type.
  PyFileDerived |
  PyFileReader |
  PyFileWriter |
  PyFloat | A builtin python float.
  PyFloatDerived |
  PyFrame | A Python frame object.
  PyFrozenSet |
  PyFrozenSetDerived |
  PyFunction | A Python function.
  PyFunctionTable | An entry point for class that implements several function calls.
  PyGenerator |
  PyInstance | An instance of a classic Python class.
  PyInteger | A builtin python int.
  PyIntegerDerived |
  PyIterator | An abstract helper class useful when implementing an iterator object.
  PyJavaPackage | A representation of java package.
  PyJavaType |
  PyList |
  PyListDerived |
  PyListIterator |
  PyLong | A builtin python long.
  PyLongDerived |
  PyMemoryView | Class implementing the Python `memoryview` type.
  PyMethod | A Python method.
  PyMethodDescr |
  PyModule | The Python Module object.
  PyModuleDerived |
  PyNewWrapper |
  PyNone | The singleton None object.
  PyNotImplemented |
  PyNullImporter |
  PyObject | All objects known to the Jython runtime system are represented by an instance of the class `PyObject` or one of its subclasses.
  PyObjectDerived |
  PyOverridableNew | A __new__ function that tells its subclasses to just init if __new__ is being called on the type the function was defined on.
  PyProperty |
  PyPropertyDerived |
  PyReflectedConstructor |
  PyReflectedField |
  PyReflectedFunction |
  PyReversedIterator | An iterator that yields the objects from a sequence-like object in reverse order.
  PyRunnableBootstrap |
  PySequence | The abstract superclass of PyObjects that implements a Sequence.
  PySequenceIter | General sequence iterator.
  PySequenceList |
  PySet |
  PySetDerived |
  PyShadowString | This class provides a string that sometimes seems to change value, as far as equality tests and `startswith` are concerned.
  PyShadowStringDerived |
  PySingleton |
  PySlice | The Python slice object.
  PySlot |
  PyStaticMethod | The staticmethod descriptor.
  PyString | A builtin python string.
  PyStringDerived |
  PyStringMap | Special fast dict implementation for __dict__ instances.
  PySuper | The Python super type.
  PySuperDerived |
  PySystemState | The "sys" module.
  PySystemState.PySystemStateCloser |
  PySystemStateRef | A weak reference that allows to keep track of PySystemState within Jython core runtime without leaking: as soon as it gets garbage collected, we can clear the places where we have associated data stored.
  PyTableCode | An implementation of PyCode where the actual executable content is stored as a PyFunctionTable instance and an integer index.
  PyTraceback | A python traceback object.
  PyTuple | A builtin python tuple.
  PyTupleDerived |
  PyTupleIterator |
  PyType | This class implements the Python `type` object and the static methods and data structures that support the Python type system in Jython (the type registry).
  PyTypeDerived |
  PyUnicode | a builtin python unicode string.
  PyUnicodeDerived |
  PyVersionInfo |
  PyXRange | The builtin xrange type.
  PyXRangeIter | Specially optimized xrange iterator.
  ReflectedArgs | Map the signature of a method to the `Method` itself, within the context of a given simple name.
  RegistryKey | Supported registry keys and their usage.
  SequenceIndexDelegate | Handles all the index checking and manipulation for get, set and del operations on a sequence.
  StderrWrapper |
  StdoutWrapper |
  SyspathArchive |
  SyspathJavaLoader |
  ThreadState |
  TraceFunction |
  WrappedIterIterator<E> | Exposes a Python iter as a Java Iterator.

- Enum Summary
  Enum | Description
  --- | ---
  CodeFlag | Represents flags that can be set on code objects.
  CompileMode |
  FutureFeature |
  PyFloat.Format |

- Exception Summary
  Exception | Description
  --- | ---
  PyException | A wrapper for all python exception.
  PyIgnoreMethodTag | A tagging exception.
  PyIndentationError | A convenience class for creating Indentation errors.
  PyObject.ConversionException |
  PySyntaxError | A convenience class for creating Syntax errors.

- Annotation Types Summary
  Annotation Type | Description
  --- | ---
  Untraversable | Indicates that a given class is not traversable and does intentionally not implement `Traverseproc`.

Jython homepage