mirror of
https://gitflic.ru/project/openide/openide.git
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62f6c087c7
(cherry picked from commit 229fa115b18861c45bcb92169d9092ca97490a16) GitOrigin-RevId: 22c0c59e60c463e0aa3dd3e1e702537bb16c2d18
540 lines
20 KiB
Python
540 lines
20 KiB
Python
import os
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import sys
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import traceback
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from _pydev_bundle import _pydev_imports_tipper
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from _pydev_bundle.pydev_code_executor import BaseCodeExecutor
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from _pydev_bundle.pydev_console_types import CodeFragment
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from _pydev_bundle.pydev_imports import Exec
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from _pydev_bundle.pydev_stdin import StdIn, DebugConsoleStdIn
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from _pydev_imps._pydev_saved_modules import thread
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from _pydevd_bundle import pydevd_thrift
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from _pydevd_bundle import pydevd_vars
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from _pydevd_bundle.pydevd_constants import IS_JYTHON, dict_iter_items, NEXT_VALUE_SEPARATOR, Null
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from pydev_console.protocol import CompletionOption, CompletionOptionType
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import signal
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try:
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import cStringIO as StringIO #may not always be available @UnusedImport
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except:
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try:
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import StringIO #@Reimport
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except:
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import io as StringIO
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# translation to Thrift `CompletionOptionType` enumeration
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COMPLETION_OPTION_TYPES = {
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_pydev_imports_tipper.TYPE_IMPORT: CompletionOptionType.IMPORT,
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_pydev_imports_tipper.TYPE_CLASS: CompletionOptionType.CLASS,
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_pydev_imports_tipper.TYPE_FUNCTION: CompletionOptionType.FUNCTION,
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_pydev_imports_tipper.TYPE_ATTR: CompletionOptionType.ATTR,
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_pydev_imports_tipper.TYPE_BUILTIN: CompletionOptionType.BUILTIN,
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_pydev_imports_tipper.TYPE_PARAM: CompletionOptionType.PARAM,
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_pydev_imports_tipper.TYPE_IPYTHON: CompletionOptionType.IPYTHON,
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_pydev_imports_tipper.TYPE_IPYTHON_MAGIC: CompletionOptionType.IPYTHON_MAGIC,
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}
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def _to_completion_option(word):
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name, documentation, args, ret_type = word
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completion_option_type = COMPLETION_OPTION_TYPES[ret_type]
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return CompletionOption(name, documentation, args.split(), completion_option_type)
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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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# BaseInterpreterInterface
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# =======================================================================================================================
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class BaseInterpreterInterface(BaseCodeExecutor):
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def __init__(self, mainThread, connect_status_queue=None, rpc_client=None):
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super(BaseInterpreterInterface, self).__init__()
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self.mainThread = mainThread
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self.banner_shown = False
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self.connect_status_queue = connect_status_queue
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self.rpc_client = rpc_client
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def build_banner(self):
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return 'print({0})\n'.format(repr(self.get_greeting_msg()))
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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.rpc_client, original_stdin=original_std_in)
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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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self.debugger.enable_tracing()
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more = self.do_add_exec(code_fragment)
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if hasattr(self, 'debugger'):
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self.debugger.disable_tracing()
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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 __resolve_reference__(self, text):
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"""
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:type text: str
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"""
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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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pass
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if obj is None:
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try:
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obj = self.get_namespace()['__builtins__'][text]
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except:
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pass
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if obj is None:
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try:
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obj = getattr(self.get_namespace()['__builtins__'], text, None)
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except:
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pass
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else:
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try:
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last_dot = text.rindex('.')
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parent_context = text[0:last_dot]
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res = pydevd_vars.eval_in_context(parent_context, self.get_namespace(), self.get_namespace())
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obj = getattr(res, text[last_dot + 1:])
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except:
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pass
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return obj
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def getDescription(self, text):
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try:
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obj = self.__resolve_reference__(text)
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if obj is None:
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return ''
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return get_description(obj)
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except:
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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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if not self.banner_shown:
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line = self.build_banner() + line
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self.banner_shown = True
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return self.do_exec_code(line, True)
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def execMultipleLines(self, lines):
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if not self.banner_shown:
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lines = self.build_banner() + lines
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self.banner_shown = True
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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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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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self.finish_exec(False)
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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 get_server(self):
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if getattr(self, 'rpc_client', None) is not None:
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return self.rpc_client
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else:
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return None
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server = property(get_server)
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def ShowConsole(self):
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server = self.get_server()
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if server is not None:
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server.showConsole()
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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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hidden_ns = self.get_ipython_hidden_vars_dict()
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return pydevd_thrift.frame_vars_to_struct(self.get_namespace(), hidden_ns)
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def getVariable(self, attributes):
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debug_values = []
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val_dict = pydevd_vars.resolve_compound_var_object_fields(self.get_namespace(), attributes)
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if val_dict is None:
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val_dict = {}
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keys = val_dict.keys()
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for k in keys:
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val = val_dict[k]
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evaluate_full_value = pydevd_thrift.should_evaluate_full_value(val)
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debug_values.append(pydevd_thrift.var_to_struct(val, k, evaluate_full_value=evaluate_full_value))
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return debug_values
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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_thrift.table_like_struct_to_thrift_struct(array, name, roffset, coffset, rows, cols, format)
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def evaluate(self, expression):
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# returns `DebugValue` of evaluated expression
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result = pydevd_vars.eval_in_context(expression, self.get_namespace(), self.get_namespace())
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return [pydevd_thrift.var_to_struct(result, expression)]
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def do_get_completions(self, text, act_tok):
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"""Retrieves completion options.
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Returns the array with completion options tuples.
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:param text: the full text of the expression to complete
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:param act_tok: resolved part of the expression
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:return: the array of tuples `(name, documentation, args, ret_type)`
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:Example:
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Let us execute ``import time`` line in the Python console. Then try
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to complete ``time.sle`` expression. At this point the method would
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receive ``time.sle`` as ``text`` parameter and ``time.`` as
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``act_tok`` parameter. The result would contain the array with the
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following tuple among others: ``[..., ('sleep',
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'sleep(seconds)\\n\\nDelay execution ...', '(seconds)', '2'),
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...]``.
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"""
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try:
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from _pydev_bundle._pydev_completer import Completer
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completer = Completer(self.get_namespace(), None)
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return completer.complete(act_tok)
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except:
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import traceback
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traceback.print_exc()
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return []
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def getCompletions(self, text, act_tok):
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words = self.do_get_completions(text, act_tok)
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return [_to_completion_option(word) for word in words]
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def loadFullValue(self, seq, scope_attrs):
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"""
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Evaluate full value for async Console variables in a separate thread and send results to IDE side
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:param seq: id of command
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:param scope_attrs: a sequence of variables with their attributes separated by NEXT_VALUE_SEPARATOR
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(i.e.: obj\tattr1\tattr2NEXT_VALUE_SEPARATORobj2\attr1\tattr2)
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:return:
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"""
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frame_variables = self.get_namespace()
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var_objects = []
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# vars = scope_attrs.split(NEXT_VALUE_SEPARATOR)
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vars = scope_attrs
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for var_attrs in vars:
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if '\t' in var_attrs:
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name, attrs = var_attrs.split('\t', 1)
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else:
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name = var_attrs
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attrs = None
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if name in frame_variables.keys():
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var_object = pydevd_vars.resolve_var_object(frame_variables[name], attrs)
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var_objects.append((var_object, name))
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else:
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var_object = pydevd_vars.eval_in_context(name, frame_variables, frame_variables)
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var_objects.append((var_object, name))
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from _pydev_bundle.pydev_console_commands import ThriftGetValueAsyncThreadConsole
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t = ThriftGetValueAsyncThreadConsole(self.get_server(), seq, var_objects)
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t.start()
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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_host=None, debugger_options=None, extra_envs=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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for (env_name, value) in dict_iter_items(extra_envs):
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existing_value = os.environ.get(env_name, None)
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if existing_value:
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os.environ[env_name] = "%s%c%s" % (existing_value, os.path.pathsep, value)
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else:
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os.environ[env_name] = value
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if env_name == "PYTHONPATH":
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sys.path.append(value)
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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 _pydevd_bundle.pydevd_constants import set_thread_id
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from _pydev_bundle import pydev_localhost
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set_thread_id(threading.currentThread(), "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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if debugger_host is None or pydev_localhost.is_localhost(debugger_host):
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host = pydev_localhost.get_localhost()
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else:
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host = debugger_host
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self.debugger.connect(host, debuggerPort)
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self.debugger.prepare_to_run()
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self.debugger.disable_tracing()
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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)
|
|
|
|
return ('connect complete',)
|
|
|
|
def handshake(self):
|
|
if self.connect_status_queue is not None:
|
|
self.connect_status_queue.put(True)
|
|
return "PyCharm"
|
|
|
|
def get_connect_status_queue(self):
|
|
return self.connect_status_queue
|
|
|
|
def hello(self, input_str):
|
|
# Don't care what the input string is
|
|
return ("Hello eclipse",)
|
|
|
|
|
|
# =======================================================================================================================
|
|
# FakeFrame
|
|
# =======================================================================================================================
|
|
class FakeFrame:
|
|
'''
|
|
Used to show console with variables connection.
|
|
A class to be used as a mock of a frame.
|
|
'''
|