Python __main__ 模块，__dict__() 实例源码

def run(self, cmd, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(cmd, types.CodeType):
            cmd = cmd+'\n'
        try:
            exec cmd in globals, locals
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def runeval(self, expr, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(expr, types.CodeType):
            expr = expr+'\n'
        try:
            return eval(expr, globals, locals)
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def complete(self, text, state):
        """Return the next possible completion for 'text'.

        This is called successively with state == 0, 1, 2, ... until it
        returns None.  The completion should begin with 'text'.

        """
        if self.use_main_ns:
            self.namespace = __main__.__dict__

        if state == 0:
            if "." in text:
                self.matches = self.attr_matches(text)
            else:
                self.matches = self.global_matches(text)
        try:
            return self.matches[state]
        except IndexError:
            return None

def run(self, cmd, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(cmd, types.CodeType):
            cmd = cmd+'\n'
        try:
            exec cmd in globals, locals
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def runeval(self, expr, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(expr, types.CodeType):
            expr = expr+'\n'
        try:
            return eval(expr, globals, locals)
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def global_matches(self, text):
        """Compute matches when text is a simple name.

        Return a list of all keywords, built-in functions and names currently
        defined in self.namespace that match.

        """
        import keyword
        matches = []
        n = len(text)
        for word in keyword.kwlist:
            if word[:n] == text:
                matches.append(word)
        for nspace in [__builtin__.__dict__, self.namespace]:
            for word, val in nspace.items():
                if word[:n] == text and word != "__builtins__":
                    matches.append(self._callable_postfix(val, word))
        return matches

def _run_script(script_file):
    """Run the script at the provided path

    :param str script_file: A path to a python script to run
    """
    builtins = __builtins__

    import __main__
    __main__.__dict__.clear()
    __main__.__dict__.update(dict(
        __name__     = "__main__",
        __file__     = script_file,
        __builtins__ = builtins
    ))
    globals = __main__.__dict__
    locals = globals

    # repr will put the script_file into quotes and escape any
    # unruly characters

    # NOTE that at this point, sys.argv will already have been reset
    # so that it will look like (from script_file's point of view),
    # that it was the first file run instead of pipless.
    exec 'execfile({})'.format(repr(script_file)) in globals, locals

def _run_single_command(cmd):
    """Run a single command inside the virtual environment
    """
    builtins = __builtins__

    # this is how the python -c command works
    sys.argv.insert(0, "-c")

    import __main__
    __main__.__dict__.clear()
    __main__.__dict__.update(dict(
        __name__     = "__main__",

        # file is not defined when 'python -c "print(__file__)"' is run
        #__file__     = script_file,

        __builtins__ = builtins
    ))
    globals = __main__.__dict__
    locals = globals

    code = compile(cmd, "<string>", "single")
    exec code in globals, locals

def _run_interactive_shell():
    """Run an interactive shell as if it were the first thing being
    run.
    """
    builtins = __builtins__
    code_ = code

    import __main__
    __main__.__dict__.clear()
    __main__.__dict__.update(dict(
        __name__     = "__main__",

        # normal interactive shell leaves this undefined
        # __file__     = None,

        __builtins__ = builtins
    ))

    code_.interact()

def run(self, cmd, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(cmd, types.CodeType):
            cmd = cmd+'\n'
        try:
            exec cmd in globals, locals
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def runeval(self, expr, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(expr, types.CodeType):
            expr = expr+'\n'
        try:
            return eval(expr, globals, locals)
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def run(self, cmd, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(cmd, types.CodeType):
            cmd = cmd+'\n'
        try:
            exec cmd in globals, locals
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def runeval(self, expr, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(expr, types.CodeType):
            expr = expr+'\n'
        try:
            return eval(expr, globals, locals)
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def complete(self, text, state):
        """Return the next possible completion for 'text'.

        This is called successively with state == 0, 1, 2, ... until it
        returns None.  The completion should begin with 'text'.

        """
        if self.use_main_ns:
            self.namespace = __main__.__dict__

        if state == 0:
            if "." in text:
                self.matches = self.attr_matches(text)
            else:
                self.matches = self.global_matches(text)
        try:
            return self.matches[state]
        except IndexError:
            return None

def run(self, cmd, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        if isinstance(cmd, str):
            cmd = compile(cmd, "<string>", "exec")
        sys.settrace(self.trace_dispatch)
        try:
            exec(cmd, globals, locals)
        except BdbQuit:
            pass
        finally:
            self.quitting = True
            sys.settrace(None)

def complete(self, text, state):
        """Return the next possible completion for 'text'.

        This is called successively with state == 0, 1, 2, ... until it
        returns None.  The completion should begin with 'text'.

        """
        if self.use_main_ns:
            self.namespace = __main__.__dict__

        if state == 0:
            if "." in text:
                self.matches = self.attr_matches(text)
            else:
                self.matches = self.global_matches(text)
        try:
            return self.matches[state]
        except IndexError:
            return None

def __init__(self, namespace = None):
        """Create a new completer for the command line.

        Completer([namespace]) -> completer instance.

        Completer instances should be used as the completion mechanism of
        readline via the set_completer() call:

        readline.set_completer(Completer(my_namespace).complete)
        """

        if namespace and not isinstance(namespace, dict):
            raise TypeError('namespace must be a dictionary')

        # Don't bind to namespace quite yet, but flag whether the user wants a
        # specific namespace or to use __main__.__dict__. This will allow us
        # to bind to __main__.__dict__ at completion time, not now.
        if namespace is None:
            self.use_main_ns = 1
        else:
            self.use_main_ns = 0
            self.namespace = namespace

def global_matches(self, text):
        """Compute matches when text is a simple name.

        Return a list of all keywords, built-in functions and names currently
        defined in self.namespace that match.

        """
        import keyword
        matches = []
        seen = {"__builtins__"}
        n = len(text)
        for word in keyword.kwlist:
            if word[:n] == text:
                seen.add(word)
                matches.append(word)
        for nspace in [self.namespace, builtins.__dict__]:
            for word, val in nspace.items():
                if word[:n] == text and word not in seen:
                    seen.add(word)
                    matches.append(self._callable_postfix(val, word))
        return matches

def run(self, cmd, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(cmd, types.CodeType):
            cmd = cmd+'\n'
        try:
            exec cmd in globals, locals
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def runeval(self, expr, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(expr, types.CodeType):
            expr = expr+'\n'
        try:
            return eval(expr, globals, locals)
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def complete(self, text, state):
        """Return the next possible completion for 'text'.

        This is called successively with state == 0, 1, 2, ... until it
        returns None.  The completion should begin with 'text'.

        """
        if self.use_main_ns:
            self.namespace = __main__.__dict__

        if state == 0:
            if "." in text:
                self.matches = self.attr_matches(text)
            else:
                self.matches = self.global_matches(text)
        try:
            return self.matches[state]
        except IndexError:
            return None

def run(self, cmd, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(cmd, types.CodeType):
            cmd = cmd+'\n'
        try:
            exec cmd in globals, locals
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def runeval(self, expr, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(expr, types.CodeType):
            expr = expr+'\n'
        try:
            return eval(expr, globals, locals)
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def complete(self, text, state):
        """Return the next possible completion for 'text'.

        This is called successively with state == 0, 1, 2, ... until it
        returns None.  The completion should begin with 'text'.

        """
        if self.use_main_ns:
            self.namespace = __main__.__dict__

        if state == 0:
            if "." in text:
                self.matches = self.attr_matches(text)
            else:
                self.matches = self.global_matches(text)
        try:
            return self.matches[state]
        except IndexError:
            return None

def __gp_catch_functions(self, prefix):

        """ Internally used to catch functions with some specific prefix
        as non-terminals of the GP core """

        import __main__ as mod_main

        function_set = {}

        main_dict = mod_main.__dict__
        for obj, addr in main_dict.items():
            if obj[0:len(prefix)] == prefix:
                try:
                    op_len = addr.func_code.co_argcount
                except:
                    continue
                function_set[obj] = op_len

        if len(function_set) <= 0:
            utils.raiseException("No function set found using function prefix '%s' !" % prefix, ValueError)

        self.setParams(gp_function_set=function_set)

    # -----------------------------------------------------------------

def __gp_catch_functions(self, prefix):

        """ Internally used to catch functions with some specific prefix
        as non-terminals of the GP core """

        import __main__ as mod_main

        function_set = {}

        main_dict = mod_main.__dict__
        for obj, addr in main_dict.items():
            if obj[0:len(prefix)] == prefix:
                try:
                    op_len = addr.func_code.co_argcount
                except:
                    continue
                function_set[obj] = op_len

        if len(function_set) <= 0:
            utils.raiseException("No function set found using function prefix '%s' !" % prefix, ValueError)

        self.setParams(gp_function_set=function_set)

    # -----------------------------------------------------------------

def global_matches(self, text):
        """Compute matches when text is a simple name.

        Return a list of all keywords, built-in functions and names currently
        defined in self.namespace that match.

        """
        import keyword
        matches = []
        seen = {"__builtins__"}
        n = len(text)
        for word in keyword.kwlist:
            if word[:n] == text:
                seen.add(word)
                matches.append(word)
        for nspace in [self.namespace, builtins.__dict__]:
            for word, val in nspace.items():
                if word[:n] == text and word not in seen:
                    seen.add(word)
                    matches.append(self._callable_postfix(val, word))
        return matches

def run(self, cmd, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(cmd, types.CodeType):
            cmd = cmd+'\n'
        try:
            exec cmd in globals, locals
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def runeval(self, expr, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(expr, types.CodeType):
            expr = expr+'\n'
        try:
            return eval(expr, globals, locals)
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def global_matches(self, text):
        """Compute matches when text is a simple name.

        Return a list of all keywords, built-in functions and names currently
        defined in self.namespace that match.

        """
        import keyword
        matches = []
        n = len(text)
        for word in keyword.kwlist:
            if word[:n] == text:
                matches.append(word)
        for nspace in [__builtin__.__dict__, self.namespace]:
            for word, val in nspace.items():
                if word[:n] == text and word != "__builtins__":
                    matches.append(self._callable_postfix(val, word))
        return matches

def _get_globals():
    """Return current Python interpreter globals namespace"""
    if _get_globals_callback is not None:
        return _get_globals_callback()
    else:
        try:
            from __main__ import __dict__ as namespace
        except ImportError:
            try:
                # The import fails on IronPython
                import __main__
                namespace = __main__.__dict__
            except:
                namespace
        shell = namespace.get('__ipythonshell__')
        if shell is not None and hasattr(shell, 'user_ns'):
            # IPython 0.12+ kernel
            return shell.user_ns
        else:
            # Python interpreter
            return namespace
        return namespace

def run(self, cmd, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        if isinstance(cmd, str):
            cmd = compile(cmd, "<string>", "exec")
        sys.settrace(self.trace_dispatch)
        try:
            exec(cmd, globals, locals)
        except BdbQuit:
            pass
        finally:
            self.quitting = True
            sys.settrace(None)

def OnViewBrowse( self, id, code ):
        " Called when ViewBrowse message is received "
        from pywin.mfc import dialog
        from pywin.tools import browser
        obName = dialog.GetSimpleInput('Object', '__builtins__', 'Browse Python Object')
        if obName is None:
            return
        try:
            browser.Browse(eval(obName, __main__.__dict__, __main__.__dict__))
        except NameError:
            win32ui.MessageBox('This is no object with this name')
        except AttributeError:
            win32ui.MessageBox('The object has no attribute of that name')
        except:
            traceback.print_exc()
            win32ui.MessageBox('This object can not be browsed')

def Init(self):
        self.oldStdOut = self.oldStdErr = None

#       self.SetWordWrap(win32ui.CRichEditView_WrapNone)
        self.interp = PythonwinInteractiveInterpreter()

        self.OutputGrab()   # Release at cleanup.

        if self.GetTextLength()==0:
            if self.banner is None:
                suffix = ""
                if win32ui.debug: suffix = ", debug build"
                sys.stderr.write("PythonWin %s on %s%s.\n" % (sys.version, sys.platform, suffix) )
                sys.stderr.write("Portions %s - see 'Help/About PythonWin' for further copyright information.\n" % (win32ui.copyright,) )
            else:
                sys.stderr.write(banner)
        rcfile = os.environ.get('PYTHONSTARTUP')
        if rcfile:
            import __main__
            try:
                execfile(rcfile, __main__.__dict__, __main__.__dict__)
            except:
                sys.stderr.write(">>> \nError executing PYTHONSTARTUP script %r\n" % (rcfile))
                traceback.print_exc(file=sys.stderr)
        self.AppendToPrompt([])

def RespondDebuggerState(self, state):
        globs = locs = None
        if state==DBGSTATE_BREAK:
            if self.debugger.curframe:
                globs = self.debugger.curframe.f_globals
                locs = self.debugger.curframe.f_locals
        elif state==DBGSTATE_NOT_DEBUGGING:
            import __main__
            globs = locs = __main__.__dict__
        for i in range(self.GetItemCount()-1):
            text = self.GetItemText(i, 0)
            if globs is None:
                val = ""
            else:
                try:
                    val = repr( eval( text, globs, locs) )
                except SyntaxError:
                    val = "Syntax Error"
                except:
                    t, v, tb = sys.exc_info()
                    val = traceback.format_exception_only(t, v)[0].strip()
                    tb = None # prevent a cycle.
            self.SetItemText(i, 1, val)

def get_object_at_cursor(self,
                             wordchars="._" + string.ascii_uppercase + string.ascii_lowercase + string.digits):
        # XXX - This needs to be moved to a better place
        # so the "." attribute lookup code can also use it.
        text = self.text
        chars = text.get("insert linestart", "insert")
        i = len(chars)
        while i and chars[i-1] in wordchars:
            i = i-1
        word = chars[i:]
        if word:
            # How is this for a hack!
            import sys, __main__
            namespace = sys.modules.copy()
            namespace.update(__main__.__dict__)
            try:
                    return eval(word, namespace)
            except:
                    pass
        return None # Can't find an object.

def run(self, cmd, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(cmd, types.CodeType):
            cmd = cmd+'\n'
        try:
            exec cmd in globals, locals
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def runeval(self, expr, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(expr, types.CodeType):
            expr = expr+'\n'
        try:
            return eval(expr, globals, locals)
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def OnViewBrowse( self, id, code ):
        " Called when ViewBrowse message is received "
        from pywin.mfc import dialog
        from pywin.tools import browser
        obName = dialog.GetSimpleInput('Object', '__builtins__', 'Browse Python Object')
        if obName is None:
            return
        try:
            browser.Browse(eval(obName, __main__.__dict__, __main__.__dict__))
        except NameError:
            win32ui.MessageBox('This is no object with this name')
        except AttributeError:
            win32ui.MessageBox('The object has no attribute of that name')
        except:
            traceback.print_exc()
            win32ui.MessageBox('This object can not be browsed')

def Init(self):
        self.oldStdOut = self.oldStdErr = None

#       self.SetWordWrap(win32ui.CRichEditView_WrapNone)
        self.interp = PythonwinInteractiveInterpreter()

        self.OutputGrab()   # Release at cleanup.

        if self.GetTextLength()==0:
            if self.banner is None:
                suffix = ""
                if win32ui.debug: suffix = ", debug build"
                sys.stderr.write("PythonWin %s on %s%s.\n" % (sys.version, sys.platform, suffix) )
                sys.stderr.write("Portions %s - see 'Help/About PythonWin' for further copyright information.\n" % (win32ui.copyright,) )
            else:
                sys.stderr.write(banner)
        rcfile = os.environ.get('PYTHONSTARTUP')
        if rcfile:
            import __main__
            try:
                execfile(rcfile, __main__.__dict__, __main__.__dict__)
            except:
                sys.stderr.write(">>> \nError executing PYTHONSTARTUP script %r\n" % (rcfile))
                traceback.print_exc(file=sys.stderr)
        self.AppendToPrompt([])

def RespondDebuggerState(self, state):
        globs = locs = None
        if state==DBGSTATE_BREAK:
            if self.debugger.curframe:
                globs = self.debugger.curframe.f_globals
                locs = self.debugger.curframe.f_locals
        elif state==DBGSTATE_NOT_DEBUGGING:
            import __main__
            globs = locs = __main__.__dict__
        for i in range(self.GetItemCount()-1):
            text = self.GetItemText(i, 0)
            if globs is None:
                val = ""
            else:
                try:
                    val = repr( eval( text, globs, locs) )
                except SyntaxError:
                    val = "Syntax Error"
                except:
                    t, v, tb = sys.exc_info()
                    val = traceback.format_exception_only(t, v)[0].strip()
                    tb = None # prevent a cycle.
            self.SetItemText(i, 1, val)

def get_object_at_cursor(self,
                             wordchars="._" + string.ascii_uppercase + string.ascii_lowercase + string.digits):
        # XXX - This needs to be moved to a better place
        # so the "." attribute lookup code can also use it.
        text = self.text
        chars = text.get("insert linestart", "insert")
        i = len(chars)
        while i and chars[i-1] in wordchars:
            i = i-1
        word = chars[i:]
        if word:
            # How is this for a hack!
            import sys, __main__
            namespace = sys.modules.copy()
            namespace.update(__main__.__dict__)
            try:
                    return eval(word, namespace)
            except:
                    pass
        return None # Can't find an object.

def complete(self, text, state):
        """Return the next possible completion for 'text'.

        This is called successively with state == 0, 1, 2, ... until it
        returns None.  The completion should begin with 'text'.

        """
        if self.use_main_ns:
            self.namespace = __main__.__dict__

        if state == 0:
            if "." in text:
                self.matches = self.attr_matches(text)
            else:
                self.matches = self.global_matches(text)
        try:
            return self.matches[state]
        except IndexError:
            return None

def global_matches(self, text):
        """Compute matches when text is a simple name.

        Return a list of all keywords, built-in functions and names currently
        defined in self.namespace or self.global_namespace that match.

        """
        matches = []
        match_append = matches.append
        n = len(text)
        for lst in [keyword.kwlist,
                    builtin_mod.__dict__.keys(),
                    self.namespace.keys(),
                    self.global_namespace.keys()]:
            for word in lst:
                if word[:n] == text and word != "__builtins__":
                    match_append(word)
        return [cast_unicode_py2(m) for m in matches]

def complete(self, text, state):
        """Return the next possible completion for 'text'.

        This is called successively with state == 0, 1, 2, ... until it
        returns None.  The completion should begin with 'text'.

        """
        if self.use_main_ns:
            self.namespace = __main__.__dict__

        if not text.strip():
            if state == 0:
                return '\t'
            else:
                return None

        if state == 0:
            if "." in text:
                self.matches = self.attr_matches(text)
            else:
                self.matches = self.global_matches(text)
        try:
            return self.matches[state]
        except IndexError:
            return None

def global_matches(self, text):
        """Compute matches when text is a simple name.

        Return a list of all keywords, built-in functions and names currently
        defined in self.namespace that match.

        """
        import keyword
        matches = []
        n = len(text)
        for word in keyword.kwlist:
            if word[:n] == text:
                matches.append(word)
        for nspace in [builtins.__dict__, self.namespace]:
            for word, val in nspace.items():
                if word[:n] == text and word != "__builtins__":
                    matches.append(self._callable_postfix(val, word))
        return matches

def run(self, cmd, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(cmd, types.CodeType):
            cmd = cmd+'\n'
        try:
            exec cmd in globals, locals
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def runeval(self, expr, globals=None, locals=None):
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        self.reset()
        sys.settrace(self.trace_dispatch)
        if not isinstance(expr, types.CodeType):
            expr = expr+'\n'
        try:
            return eval(expr, globals, locals)
        except BdbQuit:
            pass
        finally:
            self.quitting = 1
            sys.settrace(None)

def complete(self, text, state):
        """Return the next possible completion for 'text'.

        This is called successively with state == 0, 1, 2, ... until it
        returns None.  The completion should begin with 'text'.

        """
        if self.use_main_ns:
            self.namespace = __main__.__dict__

        if state == 0:
            if "." in text:
                self.matches = self.attr_matches(text)
            else:
                self.matches = self.global_matches(text)
        try:
            return self.matches[state]
        except IndexError:
            return None

def global_matches(self, text):
        """Compute matches when text is a simple name.

        Return a list of all keywords, built-in functions and names currently
        defined in self.namespace that match.

        """
        import keyword
        matches = []
        n = len(text)
        for word in keyword.kwlist:
            if word[:n] == text:
                matches.append(word)
        for nspace in [__builtin__.__dict__, self.namespace]:
            for word, val in nspace.items():
                if word[:n] == text and word != "__builtins__":
                    matches.append(self._callable_postfix(val, word))
        return matches