dbg.py 文件源码

def __init__(self, pipe, redirect_stdio=True, allow_interruptions=False,
                 use_speedups=True, skip=[__name__]):
        global breaks
        kwargs = {}
        if sys.version_info > (2, 7):
            kwargs['skip'] = skip
        bdb.Bdb.__init__(self, **kwargs)
        self.frame = None
        self.i = 1  # sequential RPC call id
        self.waiting = False
        self.pipe = pipe # for communication
        self._wait_for_mainpyfile = False
        self._wait_for_breakpoint = False
        self.mainpyfile = ""
        self._lineno = None     # last listed line numbre
        # ignore filenames (avoid spurious interaction specially on py2)
        self.ignore_files = [self.canonic(f) for f in (__file__, bdb.__file__)]
        # replace system standard input and output (send them thru the pipe)
        self.old_stdio = sys.stdin, sys.stdout, sys.stderr
        if redirect_stdio:
            sys.stdin = self
            sys.stdout = self
            sys.stderr = self
        if allow_interruptions:
            # fake breakpoint to prevent removing trace_dispatch on set_continue
            self.breaks[None] = []
        self.allow_interruptions = allow_interruptions
        self.burst = 0          # do not send notifications ("burst" mode)
        self.params = {}        # optional parameters for interaction

        # flags to reduce overhead (only stop at breakpoint or interrupt)
        self.use_speedups = use_speedups
        self.fast_continue = False