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File Content: `_jpackage.py`

#*****************************************************************************
#   Copyright 2004-2008 Steve Menard
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
#
#*****************************************************************************

import _jpype
from . import _jclass

class JPackage(object):
    def __init__(self, name):
        self.__name = name

    def __getattribute__(self, n):
        try:
            return object.__getattribute__(self, n)
        except:
            # not found ...

            # perhaps it is a class?
            subname = "{0}.{1}".format(self.__name, n)
            from jpype import isJVMStarted
            if not isJVMStarted():
               import warnings
               warnings.warn("JVM not started yet, can not inspect JPackage contents")
               return n
            cc = _jpype.findClass(subname)
            if cc is None:
                # can only assume it is a sub-package then ...
                cc = JPackage(subname)
            else:
                cc = _jclass._getClassFor(cc)

            self.__setattr__(n, cc, True)

            return cc

    def __setattr__(self, n, v, intern=False):
        if not n[:len('_JPackage')] == '_JPackage' \
           and not intern: # NOTE this shadows name mangling
            raise RuntimeError("Cannot set attributes in a package {0}"
                               .format(n))
        object.__setattr__(self, n, v)

    def __str__(self):
        return "<Java package {0}>".format(self.__name)

    def __call__(self, *arg, **kwarg):
        raise TypeError("Package {0} is not Callable".format(self.__name))
File Content: _jpackage.py

File Content: `_jpackage.py`
