mirror of
https://gitflic.ru/project/openide/openide.git
synced 2026-01-07 22:09:38 +07:00
593 lines
21 KiB
Python
593 lines
21 KiB
Python
import os
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from _pydev_bundle.pydev_imports import xmlrpclib, _queue, Exec
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import sys
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from _pydevd_bundle.pydevd_constants import IS_JYTHON
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from _pydev_imps._pydev_saved_modules import thread
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from _pydevd_bundle import pydevd_xml
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from _pydevd_bundle import pydevd_vars
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from _pydevd_bundle.pydevd_utils import * # @UnusedWildImport
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import traceback
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#=======================================================================================================================
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# Null
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#=======================================================================================================================
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class Null:
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"""
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Gotten from: http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/68205
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"""
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def __init__(self, *args, **kwargs):
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return None
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def __call__(self, *args, **kwargs):
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return self
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def __getattr__(self, mname):
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return self
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def __setattr__(self, name, value):
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return self
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def __delattr__(self, name):
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return self
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def __repr__(self):
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return "<Null>"
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def __str__(self):
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return "Null"
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def __len__(self):
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return 0
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def __getitem__(self):
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return self
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def __setitem__(self, *args, **kwargs):
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pass
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def write(self, *args, **kwargs):
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pass
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def __nonzero__(self):
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return 0
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#=======================================================================================================================
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# BaseStdIn
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#=======================================================================================================================
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class BaseStdIn:
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def __init__(self, *args, **kwargs):
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try:
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self.encoding = sys.stdin.encoding
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except:
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#Not sure if it's available in all Python versions...
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pass
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def readline(self, *args, **kwargs):
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#sys.stderr.write('Cannot readline out of the console evaluation\n') -- don't show anything
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#This could happen if the user had done input('enter number).<-- upon entering this, that message would appear,
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#which is not something we want.
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return '\n'
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def isatty(self):
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return False #not really a file
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def write(self, *args, **kwargs):
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pass #not available StdIn (but it can be expected to be in the stream interface)
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def flush(self, *args, **kwargs):
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pass #not available StdIn (but it can be expected to be in the stream interface)
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def read(self, *args, **kwargs):
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#in the interactive interpreter, a read and a readline are the same.
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return self.readline()
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def close(self, *args, **kwargs):
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pass #expected in StdIn
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#=======================================================================================================================
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# StdIn
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#=======================================================================================================================
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class StdIn(BaseStdIn):
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'''
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Object to be added to stdin (to emulate it as non-blocking while the next line arrives)
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'''
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def __init__(self, interpreter, host, client_port):
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BaseStdIn.__init__(self)
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self.interpreter = interpreter
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self.client_port = client_port
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self.host = host
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def readline(self, *args, **kwargs):
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#Ok, callback into the client to get the new input
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try:
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server = xmlrpclib.Server('http://%s:%s' % (self.host, self.client_port))
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requested_input = server.RequestInput()
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if not requested_input:
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return '\n' #Yes, a readline must return something (otherwise we can get an EOFError on the input() call).
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return requested_input
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except:
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return '\n'
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#=======================================================================================================================
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# DebugConsoleStdIn
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#=======================================================================================================================
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class DebugConsoleStdIn(BaseStdIn):
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'''
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Object to be added to stdin (to emulate it as non-blocking while the next line arrives)
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'''
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def __init__(self, dbg, original_stdin):
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BaseStdIn.__init__(self)
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self.debugger = dbg
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self.original_stdin = original_stdin
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def readline(self, *args, **kwargs):
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# Notify Java side about input and call original function
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try:
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cmd = self.debugger.cmd_factory.make_input_requested_message()
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self.debugger.writer.add_command(cmd)
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except Exception:
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import traceback
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traceback.print_exc()
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return '\n'
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return self.original_stdin.readline(*args, **kwargs)
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class CodeFragment:
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def __init__(self, text, is_single_line=True):
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self.text = text
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self.is_single_line = is_single_line
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def append(self, code_fragment):
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self.text = self.text + "\n" + code_fragment.text
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if not code_fragment.is_single_line:
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self.is_single_line = False
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#=======================================================================================================================
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# BaseInterpreterInterface
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#=======================================================================================================================
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class BaseInterpreterInterface:
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def __init__(self, mainThread):
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self.mainThread = mainThread
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self.interruptable = False
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self.exec_queue = _queue.Queue(0)
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self.buffer = None
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def need_more_for_code(self, source):
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# PyDev-502: PyDev 3.9 F2 doesn't support backslash continuations
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# Strangely even the IPython console is_complete said it was complete
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# even with a continuation char at the end.
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if source.endswith('\\'):
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return True
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if hasattr(self.interpreter, 'is_complete'):
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return not self.interpreter.is_complete(source)
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try:
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code = self.interpreter.compile(source, '<input>', 'exec')
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except (OverflowError, SyntaxError, ValueError):
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# Case 1
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return False
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if code is None:
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# Case 2
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return True
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# Case 3
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return False
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def need_more(self, code_fragment):
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if self.buffer is None:
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self.buffer = code_fragment
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else:
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self.buffer.append(code_fragment)
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return self.need_more_for_code(self.buffer.text)
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def create_std_in(self, debugger=None, original_std_in=None):
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if debugger is None:
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return StdIn(self, self.host, self.client_port)
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else:
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return DebugConsoleStdIn(dbg=debugger, original_stdin=original_std_in)
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def add_exec(self, code_fragment, debugger=None):
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original_in = sys.stdin
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try:
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help = None
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if 'pydoc' in sys.modules:
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pydoc = sys.modules['pydoc'] #Don't import it if it still is not there.
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if hasattr(pydoc, 'help'):
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#You never know how will the API be changed, so, let's code defensively here
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help = pydoc.help
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if not hasattr(help, 'input'):
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help = None
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except:
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#Just ignore any error here
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pass
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more = False
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try:
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sys.stdin = self.create_std_in(debugger, original_in)
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try:
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if help is not None:
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#This will enable the help() function to work.
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try:
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try:
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help.input = sys.stdin
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except AttributeError:
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help._input = sys.stdin
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except:
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help = None
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if not self._input_error_printed:
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self._input_error_printed = True
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sys.stderr.write('\nError when trying to update pydoc.help.input\n')
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sys.stderr.write('(help() may not work -- please report this as a bug in the pydev bugtracker).\n\n')
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traceback.print_exc()
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try:
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self.start_exec()
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if hasattr(self, 'debugger'):
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from _pydevd_bundle import pydevd_tracing
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pydevd_tracing.SetTrace(self.debugger.trace_dispatch)
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more = self.do_add_exec(code_fragment)
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if hasattr(self, 'debugger'):
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from _pydevd_bundle import pydevd_tracing
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pydevd_tracing.SetTrace(None)
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self.finish_exec(more)
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finally:
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if help is not None:
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try:
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try:
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help.input = original_in
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except AttributeError:
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help._input = original_in
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except:
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pass
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finally:
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sys.stdin = original_in
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except SystemExit:
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raise
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except:
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traceback.print_exc()
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return more
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def do_add_exec(self, codeFragment):
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'''
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Subclasses should override.
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@return: more (True if more input is needed to complete the statement and False if the statement is complete).
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'''
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raise NotImplementedError()
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def get_namespace(self):
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'''
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Subclasses should override.
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@return: dict with namespace.
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'''
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raise NotImplementedError()
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def getDescription(self, text):
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try:
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obj = None
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if '.' not in text:
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try:
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obj = self.get_namespace()[text]
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except KeyError:
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return ''
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else:
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try:
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splitted = text.split('.')
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obj = self.get_namespace()[splitted[0]]
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for t in splitted[1:]:
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obj = getattr(obj, t)
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except:
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return ''
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if obj is not None:
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try:
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if sys.platform.startswith("java"):
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#Jython
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doc = obj.__doc__
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if doc is not None:
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return doc
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from _pydev_bundle import _pydev_jy_imports_tipper
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is_method, infos = _pydev_jy_imports_tipper.ismethod(obj)
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ret = ''
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if is_method:
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for info in infos:
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ret += info.get_as_doc()
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return ret
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else:
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#Python and Iron Python
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import inspect #@UnresolvedImport
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doc = inspect.getdoc(obj)
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if doc is not None:
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return doc
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except:
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pass
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try:
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#if no attempt succeeded, try to return repr()...
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return repr(obj)
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except:
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try:
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#otherwise the class
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return str(obj.__class__)
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except:
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#if all fails, go to an empty string
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return ''
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except:
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traceback.print_exc()
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return ''
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def do_exec_code(self, code, is_single_line):
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try:
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code_fragment = CodeFragment(code, is_single_line)
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more = self.need_more(code_fragment)
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if not more:
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code_fragment = self.buffer
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self.buffer = None
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self.exec_queue.put(code_fragment)
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return more
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except:
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traceback.print_exc()
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return False
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def execLine(self, line):
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return self.do_exec_code(line, True)
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def execMultipleLines(self, lines):
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if IS_JYTHON:
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for line in lines.split('\n'):
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self.do_exec_code(line, True)
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else:
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return self.do_exec_code(lines, False)
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def interrupt(self):
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self.buffer = None # Also clear the buffer when it's interrupted.
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try:
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if self.interruptable:
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called = False
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try:
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# Fix for #PyDev-500: Console interrupt can't interrupt on sleep
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import os
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import signal
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if os.name == 'posix':
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# On Linux we can't interrupt 0 as in Windows because it's
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# actually owned by a process -- on the good side, signals
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# work much better on Linux!
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os.kill(os.getpid(), signal.SIGINT)
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called = True
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elif os.name == 'nt':
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# Stupid windows: sending a Ctrl+C to a process given its pid
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# is absurdly difficult.
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# There are utilities to make it work such as
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# http://www.latenighthacking.com/projects/2003/sendSignal/
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# but fortunately for us, it seems Python does allow a CTRL_C_EVENT
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# for the current process in Windows if pid 0 is passed... if we needed
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# to send a signal to another process the approach would be
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# much more difficult.
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# Still, note that CTRL_C_EVENT is only Python 2.7 onwards...
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# Also, this doesn't seem to be documented anywhere!? (stumbled
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# upon it by chance after digging quite a lot).
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os.kill(0, signal.CTRL_C_EVENT)
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called = True
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except:
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# Many things to go wrong (from CTRL_C_EVENT not being there
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# to failing import signal)... if that's the case, ask for
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# forgiveness and go on to the approach which will interrupt
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# the main thread (but it'll only work when it's executing some Python
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# code -- not on sleep() for instance).
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pass
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if not called:
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if hasattr(thread, 'interrupt_main'): #Jython doesn't have it
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thread.interrupt_main()
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else:
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self.mainThread._thread.interrupt() #Jython
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return True
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except:
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traceback.print_exc()
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return False
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def close(self):
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sys.exit(0)
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def start_exec(self):
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self.interruptable = True
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def get_server(self):
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if getattr(self, 'host', None) is not None:
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return xmlrpclib.Server('http://%s:%s' % (self.host, self.client_port))
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else:
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return None
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server = property(get_server)
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def finish_exec(self, more):
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self.interruptable = False
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server = self.get_server()
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if server is not None:
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return server.NotifyFinished(more)
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else:
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return True
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def getFrame(self):
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xml = "<xml>"
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xml += pydevd_xml.frame_vars_to_xml(self.get_namespace())
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xml += "</xml>"
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return xml
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def getVariable(self, attributes):
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xml = "<xml>"
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valDict = pydevd_vars.resolve_var(self.get_namespace(), attributes)
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if valDict is None:
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valDict = {}
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keys = valDict.keys()
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for k in keys:
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xml += pydevd_vars.var_to_xml(valDict[k], to_string(k))
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xml += "</xml>"
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return xml
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def getArray(self, attr, roffset, coffset, rows, cols, format):
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name = attr.split("\t")[-1]
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array = pydevd_vars.eval_in_context(name, self.get_namespace(), self.get_namespace())
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return pydevd_vars.table_like_struct_to_xml(array, name, roffset, coffset, rows, cols, format)
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def evaluate(self, expression):
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xml = "<xml>"
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result = pydevd_vars.eval_in_context(expression, self.get_namespace(), self.get_namespace())
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xml += pydevd_vars.var_to_xml(result, expression)
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xml += "</xml>"
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return xml
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def changeVariable(self, attr, value):
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def do_change_variable():
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Exec('%s=%s' % (attr, value), self.get_namespace(), self.get_namespace())
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# Important: it has to be really enabled in the main thread, so, schedule
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# it to run in the main thread.
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self.exec_queue.put(do_change_variable)
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def _findFrame(self, thread_id, frame_id):
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'''
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Used to show console with variables connection.
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Always return a frame where the locals map to our internal namespace.
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'''
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VIRTUAL_FRAME_ID = "1" # matches PyStackFrameConsole.java
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VIRTUAL_CONSOLE_ID = "console_main" # matches PyThreadConsole.java
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if thread_id == VIRTUAL_CONSOLE_ID and frame_id == VIRTUAL_FRAME_ID:
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f = FakeFrame()
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f.f_globals = {} #As globals=locals here, let's simply let it empty (and save a bit of network traffic).
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f.f_locals = self.get_namespace()
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return f
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else:
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return self.orig_find_frame(thread_id, frame_id)
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def connectToDebugger(self, debuggerPort, debugger_options=None):
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'''
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Used to show console with variables connection.
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Mainly, monkey-patches things in the debugger structure so that the debugger protocol works.
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'''
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if debugger_options is None:
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debugger_options = {}
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env_key = "PYDEVD_EXTRA_ENVS"
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if env_key in debugger_options:
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for (env_name, value) in debugger_options[env_key].items():
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os.environ[env_name] = value
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del debugger_options[env_key]
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def do_connect_to_debugger():
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try:
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# Try to import the packages needed to attach the debugger
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import pydevd
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from _pydev_imps._pydev_saved_modules import threading
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except:
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# This happens on Jython embedded in host eclipse
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traceback.print_exc()
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sys.stderr.write('pydevd is not available, cannot connect\n',)
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from _pydev_bundle import pydev_localhost
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threading.currentThread().__pydevd_id__ = "console_main"
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self.orig_find_frame = pydevd_vars.find_frame
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pydevd_vars.find_frame = self._findFrame
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self.debugger = pydevd.PyDB()
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try:
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pydevd.apply_debugger_options(debugger_options)
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self.debugger.connect(pydev_localhost.get_localhost(), debuggerPort)
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self.debugger.prepare_to_run()
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from _pydevd_bundle import pydevd_tracing
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pydevd_tracing.SetTrace(None)
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except:
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traceback.print_exc()
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sys.stderr.write('Failed to connect to target debugger.\n')
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# Register to process commands when idle
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self.debugrunning = False
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try:
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import pydevconsole
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pydevconsole.set_debug_hook(self.debugger.process_internal_commands)
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except:
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traceback.print_exc()
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sys.stderr.write('Version of Python does not support debuggable Interactive Console.\n')
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# Important: it has to be really enabled in the main thread, so, schedule
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# it to run in the main thread.
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self.exec_queue.put(do_connect_to_debugger)
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return ('connect complete',)
|
|
|
|
def hello(self, input_str):
|
|
# Don't care what the input string is
|
|
return ("Hello eclipse",)
|
|
|
|
def enableGui(self, guiname):
|
|
''' Enable the GUI specified in guiname (see inputhook for list).
|
|
As with IPython, enabling multiple GUIs isn't an error, but
|
|
only the last one's main loop runs and it may not work
|
|
'''
|
|
def do_enable_gui():
|
|
from _pydev_bundle.pydev_versioncheck import versionok_for_gui
|
|
if versionok_for_gui():
|
|
try:
|
|
from pydev_ipython.inputhook import enable_gui
|
|
enable_gui(guiname)
|
|
except:
|
|
sys.stderr.write("Failed to enable GUI event loop integration for '%s'\n" % guiname)
|
|
traceback.print_exc()
|
|
elif guiname not in ['none', '', None]:
|
|
# Only print a warning if the guiname was going to do something
|
|
sys.stderr.write("PyDev console: Python version does not support GUI event loop integration for '%s'\n" % guiname)
|
|
# Return value does not matter, so return back what was sent
|
|
return guiname
|
|
|
|
# Important: it has to be really enabled in the main thread, so, schedule
|
|
# it to run in the main thread.
|
|
self.exec_queue.put(do_enable_gui)
|
|
|
|
#=======================================================================================================================
|
|
# FakeFrame
|
|
#=======================================================================================================================
|
|
class FakeFrame:
|
|
'''
|
|
Used to show console with variables connection.
|
|
A class to be used as a mock of a frame.
|
|
''' |