Exemple #1
0
def getFromThreadScope(target_thread, object_name):
    """Abuse optimizations in Jython or reflection in Java to get objects in other frames.

	For the ThreadStateMapping method, see Jython commit 8f00d52031
	  and http://bugs.jython.org/issue2321
	For the Java reflection introspection, see
	  https://web.archive.org/web/20150505022210/http://weblogs.java.net/blog/jjviana/archive/2010/06/09/dealing-glassfish-301-memory-leak-or-threadlocal-thread-pool-bad-ide
	  https://web.archive.org/web/20150422074412/http://blog.igorminar.com/2009/03/identifying-threadlocal-memory-leaks-in.html
	"""

    try:
        # Jython 2.7 has a singleton-style dictionary that keeps track of the thread states.
        # Given a thread ID, it will return the ThreadState object
        from org.python.core import ThreadStateMapping
        frame = ThreadStateMapping._current_frames()[target_thread.getId()]

    except (ImportError, AttributeError):
        thread_state = getThreadState(target_thread)
        frame = thread_state.frame

    # The ThreadState object 	contains the current Python frame under execution.
    # Frames have all the needed context to execute, including the variable references in scope.
    return frame.f_locals[object_name]
        "windows")
    if sys.version_info[0] == 2 and sys.version_info[1] < 5:
        IS_JYTH_LESS25 = True

USE_CUSTOM_SYS_CURRENT_FRAMES = not hasattr(sys, '_current_frames') or IS_PYPY
USE_CUSTOM_SYS_CURRENT_FRAMES_MAP = USE_CUSTOM_SYS_CURRENT_FRAMES and (
    IS_PYPY or IS_IRONPYTHON)

if USE_CUSTOM_SYS_CURRENT_FRAMES:

    # Some versions of Jython don't have it (but we can provide a replacement)
    if IS_JYTHON:
        from java.lang import NoSuchFieldException
        from org.python.core import ThreadStateMapping
        try:
            cachedThreadState = ThreadStateMapping.getDeclaredField(
                'globalThreadStates')  # Dev version
        except NoSuchFieldException:
            cachedThreadState = ThreadStateMapping.getDeclaredField(
                'cachedThreadState')  # Release Jython 2.7.0
        cachedThreadState.accessible = True
        thread_states = cachedThreadState.get(ThreadStateMapping)

        def _current_frames():
            as_array = thread_states.entrySet().toArray()
            ret = {}
            for thread_to_state in as_array:
                thread = thread_to_state.getKey()
                if thread is None:
                    continue
                thread_state = thread_to_state.getValue()
                if thread_state is None:
# IFDEF CYTHON
# pydev_log.debug("Using Cython speedups")
# ELSE
from _pydevd_bundle.pydevd_frame import PyDBFrame
# ENDIF

version = 11

if not hasattr(sys, '_current_frames'):

    # Some versions of Jython don't have it (but we can provide a replacement)
    if IS_JYTHON:
        from java.lang import NoSuchFieldException
        from org.python.core import ThreadStateMapping
        try:
            cachedThreadState = ThreadStateMapping.getDeclaredField('globalThreadStates')  # Dev version
        except NoSuchFieldException:
            cachedThreadState = ThreadStateMapping.getDeclaredField('cachedThreadState')  # Release Jython 2.7.0
        cachedThreadState.accessible = True
        thread_states = cachedThreadState.get(ThreadStateMapping)

        def _current_frames():
            as_array = thread_states.entrySet().toArray()
            ret = {}
            for thread_to_state in as_array:
                thread = thread_to_state.getKey()
                if thread is None:
                    continue
                thread_state = thread_to_state.getValue()
                if thread_state is None:
                    continue