1996-11-27 15:52:01 -04:00
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#! /usr/bin/env python
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1996-07-30 13:28:13 -03:00
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2000-02-04 11:39:30 -04:00
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"""A Python debugger."""
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1992-01-12 19:32:55 -04:00
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1992-01-27 12:58:47 -04:00
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# (See pdb.doc for documentation.)
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1992-01-10 10:54:42 -04:00
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import sys
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import linecache
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1992-01-27 12:58:47 -04:00
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import cmd
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import bdb
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2002-09-10 18:57:14 -03:00
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from repr import Repr
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1998-07-20 20:13:54 -03:00
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import os
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1999-09-09 13:32:41 -03:00
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import re
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2002-11-05 18:40:20 -04:00
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import pprint
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2004-10-12 15:12:09 -03:00
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import traceback
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2002-09-10 18:57:14 -03:00
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# Create a custom safe Repr instance and increase its maxstring.
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# The default of 30 truncates error messages too easily.
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_repr = Repr()
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_repr.maxstring = 200
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_saferepr = _repr.repr
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2001-02-07 19:14:30 -04:00
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__all__ = ["run", "pm", "Pdb", "runeval", "runctx", "runcall", "set_trace",
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"post_mortem", "help"]
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1999-09-09 13:32:41 -03:00
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def find_function(funcname, filename):
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2001-01-14 20:50:52 -04:00
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cre = re.compile(r'def\s+%s\s*[(]' % funcname)
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try:
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fp = open(filename)
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except IOError:
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return None
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# consumer of this info expects the first line to be 1
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lineno = 1
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answer = None
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while 1:
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line = fp.readline()
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if line == '':
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break
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if cre.match(line):
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answer = funcname, filename, lineno
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break
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lineno = lineno + 1
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fp.close()
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return answer
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1992-01-10 10:54:42 -04:00
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1994-11-10 18:27:35 -04:00
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# Interaction prompt line will separate file and call info from code
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# text using value of line_prefix string. A newline and arrow may
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# be to your liking. You can set it once pdb is imported using the
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# command "pdb.line_prefix = '\n% '".
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2001-01-14 20:50:52 -04:00
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# line_prefix = ': ' # Use this to get the old situation back
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line_prefix = '\n-> ' # Probably a better default
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1994-11-10 18:27:35 -04:00
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1992-01-27 12:58:47 -04:00
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class Pdb(bdb.Bdb, cmd.Cmd):
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2001-01-14 20:50:52 -04:00
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2006-05-10 14:13:20 -03:00
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def __init__(self, completekey='tab', stdin=None, stdout=None):
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2001-01-14 20:50:52 -04:00
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bdb.Bdb.__init__(self)
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2006-05-10 14:13:20 -03:00
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cmd.Cmd.__init__(self, completekey, stdin, stdout)
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if stdout:
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self.use_rawinput = 0
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2001-01-14 20:50:52 -04:00
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self.prompt = '(Pdb) '
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self.aliases = {}
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2004-10-12 15:12:09 -03:00
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self.mainpyfile = ''
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self._wait_for_mainpyfile = 0
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2001-01-14 20:50:52 -04:00
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# Try to load readline if it exists
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try:
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import readline
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except ImportError:
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pass
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# Read $HOME/.pdbrc and ./.pdbrc
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self.rcLines = []
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2002-06-01 11:18:47 -03:00
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if 'HOME' in os.environ:
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2001-01-14 20:50:52 -04:00
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envHome = os.environ['HOME']
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try:
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rcFile = open(os.path.join(envHome, ".pdbrc"))
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except IOError:
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pass
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else:
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for line in rcFile.readlines():
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self.rcLines.append(line)
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rcFile.close()
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try:
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rcFile = open(".pdbrc")
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except IOError:
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pass
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else:
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for line in rcFile.readlines():
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self.rcLines.append(line)
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rcFile.close()
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2006-04-17 14:08:37 -03:00
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self.commands = {} # associates a command list to breakpoint numbers
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self.commands_doprompt = {} # for each bp num, tells if the prompt must be disp. after execing the cmd list
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self.commands_silent = {} # for each bp num, tells if the stack trace must be disp. after execing the cmd list
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self.commands_defining = False # True while in the process of defining a command list
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self.commands_bnum = None # The breakpoint number for which we are defining a list
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2001-01-14 20:50:52 -04:00
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def reset(self):
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bdb.Bdb.reset(self)
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self.forget()
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def forget(self):
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self.lineno = None
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self.stack = []
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self.curindex = 0
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self.curframe = None
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def setup(self, f, t):
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self.forget()
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self.stack, self.curindex = self.get_stack(f, t)
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self.curframe = self.stack[self.curindex][0]
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self.execRcLines()
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# Can be executed earlier than 'setup' if desired
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def execRcLines(self):
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if self.rcLines:
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# Make local copy because of recursion
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rcLines = self.rcLines
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# executed only once
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self.rcLines = []
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for line in rcLines:
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line = line[:-1]
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2002-07-12 10:10:53 -03:00
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if len(line) > 0 and line[0] != '#':
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self.onecmd(line)
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2001-01-14 20:50:52 -04:00
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2002-08-23 15:19:30 -03:00
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# Override Bdb methods
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2002-08-15 11:59:02 -03:00
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def user_call(self, frame, argument_list):
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"""This method is called when there is the remote possibility
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that we ever need to stop in this function."""
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2004-10-12 15:12:09 -03:00
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if self._wait_for_mainpyfile:
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return
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2003-01-31 13:48:29 -04:00
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if self.stop_here(frame):
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2006-05-10 14:13:20 -03:00
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print >>self.stdout, '--Call--'
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2003-01-31 13:48:29 -04:00
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self.interaction(frame, None)
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2001-01-14 20:50:52 -04:00
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def user_line(self, frame):
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"""This function is called when we stop or break at this line."""
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2004-10-12 15:12:09 -03:00
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if self._wait_for_mainpyfile:
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if (self.mainpyfile != self.canonic(frame.f_code.co_filename)
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or frame.f_lineno<= 0):
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return
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self._wait_for_mainpyfile = 0
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2006-04-17 14:08:37 -03:00
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if self.bp_commands(frame):
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self.interaction(frame, None)
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2006-04-17 16:18:18 -03:00
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2006-04-17 14:08:37 -03:00
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def bp_commands(self,frame):
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""" Call every command that was set for the current active breakpoint (if there is one)
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Returns True if the normal interaction function must be called, False otherwise """
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#self.currentbp is set in bdb.py in bdb.break_here if a breakpoint was hit
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if getattr(self,"currentbp",False) and self.currentbp in self.commands:
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currentbp = self.currentbp
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self.currentbp = 0
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lastcmd_back = self.lastcmd
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self.setup(frame, None)
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for line in self.commands[currentbp]:
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self.onecmd(line)
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self.lastcmd = lastcmd_back
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if not self.commands_silent[currentbp]:
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self.print_stack_entry(self.stack[self.curindex])
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if self.commands_doprompt[currentbp]:
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self.cmdloop()
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self.forget()
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2006-04-17 16:18:18 -03:00
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return
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2006-04-17 14:08:37 -03:00
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return 1
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2001-01-14 20:50:52 -04:00
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def user_return(self, frame, return_value):
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"""This function is called when a return trap is set here."""
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frame.f_locals['__return__'] = return_value
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2006-05-10 14:13:20 -03:00
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print >>self.stdout, '--Return--'
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2001-01-14 20:50:52 -04:00
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self.interaction(frame, None)
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def user_exception(self, frame, (exc_type, exc_value, exc_traceback)):
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"""This function is called if an exception occurs,
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but only if we are to stop at or just below this level."""
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frame.f_locals['__exception__'] = exc_type, exc_value
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if type(exc_type) == type(''):
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exc_type_name = exc_type
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else: exc_type_name = exc_type.__name__
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2006-05-10 14:13:20 -03:00
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print >>self.stdout, exc_type_name + ':', _saferepr(exc_value)
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2001-01-14 20:50:52 -04:00
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self.interaction(frame, exc_traceback)
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# General interaction function
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def interaction(self, frame, traceback):
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self.setup(frame, traceback)
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self.print_stack_entry(self.stack[self.curindex])
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self.cmdloop()
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self.forget()
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def default(self, line):
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if line[:1] == '!': line = line[1:]
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locals = self.curframe.f_locals
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globals = self.curframe.f_globals
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try:
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code = compile(line + '\n', '<stdin>', 'single')
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exec code in globals, locals
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except:
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t, v = sys.exc_info()[:2]
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if type(t) == type(''):
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exc_type_name = t
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else: exc_type_name = t.__name__
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2006-05-10 14:13:20 -03:00
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print >>self.stdout, '***', exc_type_name + ':', v
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2001-01-14 20:50:52 -04:00
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def precmd(self, line):
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"""Handle alias expansion and ';;' separator."""
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2002-07-12 10:10:53 -03:00
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if not line.strip():
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2001-01-14 20:50:52 -04:00
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return line
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2001-02-09 03:58:53 -04:00
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args = line.split()
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2002-06-01 11:18:47 -03:00
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while args[0] in self.aliases:
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2001-01-14 20:50:52 -04:00
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line = self.aliases[args[0]]
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ii = 1
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for tmpArg in args[1:]:
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2001-02-09 03:58:53 -04:00
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line = line.replace("%" + str(ii),
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2001-01-14 20:50:52 -04:00
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tmpArg)
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ii = ii + 1
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2001-02-09 03:58:53 -04:00
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line = line.replace("%*", ' '.join(args[1:]))
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args = line.split()
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2001-01-14 20:50:52 -04:00
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# split into ';;' separated commands
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# unless it's an alias command
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if args[0] != 'alias':
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2001-02-09 03:58:53 -04:00
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marker = line.find(';;')
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2001-01-14 20:50:52 -04:00
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if marker >= 0:
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# queue up everything after marker
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2001-02-09 03:58:53 -04:00
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next = line[marker+2:].lstrip()
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2001-01-14 20:50:52 -04:00
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self.cmdqueue.append(next)
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2001-02-09 03:58:53 -04:00
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line = line[:marker].rstrip()
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2001-01-14 20:50:52 -04:00
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return line
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2006-04-17 14:08:37 -03:00
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def onecmd(self, line):
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"""Interpret the argument as though it had been typed in response
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2006-04-17 16:18:18 -03:00
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to the prompt.
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2006-07-27 09:18:20 -03:00
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Checks whether this line is typed at the normal prompt or in
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2006-07-27 12:11:00 -03:00
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a breakpoint command list definition.
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2006-04-17 14:08:37 -03:00
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"""
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if not self.commands_defining:
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return cmd.Cmd.onecmd(self, line)
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else:
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return self.handle_command_def(line)
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2006-04-17 16:18:18 -03:00
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def handle_command_def(self,line):
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2006-04-17 14:08:37 -03:00
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""" Handles one command line during command list definition. """
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cmd, arg, line = self.parseline(line)
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if cmd == 'silent':
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self.commands_silent[self.commands_bnum] = True
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return # continue to handle other cmd def in the cmd list
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elif cmd == 'end':
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self.cmdqueue = []
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return 1 # end of cmd list
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cmdlist = self.commands[self.commands_bnum]
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if (arg):
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cmdlist.append(cmd+' '+arg)
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else:
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cmdlist.append(cmd)
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# Determine if we must stop
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try:
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func = getattr(self, 'do_' + cmd)
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except AttributeError:
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func = self.default
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2006-04-17 16:18:18 -03:00
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if func.func_name in self.commands_resuming : # one of the resuming commands.
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2006-04-17 14:08:37 -03:00
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self.commands_doprompt[self.commands_bnum] = False
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self.cmdqueue = []
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return 1
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2006-04-17 16:18:18 -03:00
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return
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2006-04-17 14:08:37 -03:00
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2001-01-14 20:50:52 -04:00
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# Command definitions, called by cmdloop()
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# The argument is the remaining string on the command line
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# Return true to exit from the command loop
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do_h = cmd.Cmd.do_help
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2006-04-17 14:08:37 -03:00
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def do_commands(self, arg):
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"""Defines a list of commands associated to a breakpoint
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Those commands will be executed whenever the breakpoint causes the program to stop execution."""
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if not arg:
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bnum = len(bdb.Breakpoint.bpbynumber)-1
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else:
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try:
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bnum = int(arg)
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except:
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2006-05-10 14:13:20 -03:00
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print >>self.stdout, "Usage : commands [bnum]\n ...\n end"
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2006-04-17 14:08:37 -03:00
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return
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self.commands_bnum = bnum
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self.commands[bnum] = []
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self.commands_doprompt[bnum] = True
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self.commands_silent[bnum] = False
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prompt_back = self.prompt
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self.prompt = '(com) '
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self.commands_defining = True
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self.cmdloop()
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self.commands_defining = False
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self.prompt = prompt_back
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2001-01-14 20:50:52 -04:00
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def do_break(self, arg, temporary = 0):
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# break [ ([filename:]lineno | function) [, "condition"] ]
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if not arg:
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if self.breaks: # There's at least one
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2006-05-10 14:13:20 -03:00
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print >>self.stdout, "Num Type Disp Enb Where"
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2001-01-14 20:50:52 -04:00
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for bp in bdb.Breakpoint.bpbynumber:
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if bp:
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2006-05-10 14:13:20 -03:00
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bp.bpprint(self.stdout)
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2001-01-14 20:50:52 -04:00
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return
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# parse arguments; comma has lowest precedence
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# and cannot occur in filename
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filename = None
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lineno = None
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cond = None
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2001-02-09 03:58:53 -04:00
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comma = arg.find(',')
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2001-01-14 20:50:52 -04:00
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|
|
if comma > 0:
|
|
|
|
# parse stuff after comma: "condition"
|
2001-02-09 03:58:53 -04:00
|
|
|
cond = arg[comma+1:].lstrip()
|
|
|
|
arg = arg[:comma].rstrip()
|
2001-01-14 20:50:52 -04:00
|
|
|
# parse stuff before comma: [filename:]lineno | function
|
2001-02-09 03:58:53 -04:00
|
|
|
colon = arg.rfind(':')
|
2004-08-30 10:29:44 -03:00
|
|
|
funcname = None
|
2001-01-14 20:50:52 -04:00
|
|
|
if colon >= 0:
|
2001-02-09 03:58:53 -04:00
|
|
|
filename = arg[:colon].rstrip()
|
2001-01-14 20:50:52 -04:00
|
|
|
f = self.lookupmodule(filename)
|
|
|
|
if not f:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, '*** ', repr(filename),
|
|
|
|
print >>self.stdout, 'not found from sys.path'
|
2001-01-14 20:50:52 -04:00
|
|
|
return
|
|
|
|
else:
|
|
|
|
filename = f
|
2001-02-09 03:58:53 -04:00
|
|
|
arg = arg[colon+1:].lstrip()
|
2001-01-14 20:50:52 -04:00
|
|
|
try:
|
|
|
|
lineno = int(arg)
|
|
|
|
except ValueError, msg:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, '*** Bad lineno:', arg
|
2001-01-14 20:50:52 -04:00
|
|
|
return
|
|
|
|
else:
|
|
|
|
# no colon; can be lineno or function
|
|
|
|
try:
|
|
|
|
lineno = int(arg)
|
|
|
|
except ValueError:
|
|
|
|
try:
|
|
|
|
func = eval(arg,
|
|
|
|
self.curframe.f_globals,
|
|
|
|
self.curframe.f_locals)
|
|
|
|
except:
|
|
|
|
func = arg
|
|
|
|
try:
|
|
|
|
if hasattr(func, 'im_func'):
|
|
|
|
func = func.im_func
|
|
|
|
code = func.func_code
|
2004-08-30 10:29:44 -03:00
|
|
|
#use co_name to identify the bkpt (function names
|
|
|
|
#could be aliased, but co_name is invariant)
|
|
|
|
funcname = code.co_name
|
2001-01-14 20:50:52 -04:00
|
|
|
lineno = code.co_firstlineno
|
|
|
|
filename = code.co_filename
|
|
|
|
except:
|
|
|
|
# last thing to try
|
|
|
|
(ok, filename, ln) = self.lineinfo(arg)
|
|
|
|
if not ok:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, '*** The specified object',
|
|
|
|
print >>self.stdout, repr(arg),
|
|
|
|
print >>self.stdout, 'is not a function'
|
|
|
|
print >>self.stdout, 'or was not found along sys.path.'
|
2001-01-14 20:50:52 -04:00
|
|
|
return
|
2004-08-30 10:29:44 -03:00
|
|
|
funcname = ok # ok contains a function name
|
2001-01-14 20:50:52 -04:00
|
|
|
lineno = int(ln)
|
|
|
|
if not filename:
|
|
|
|
filename = self.defaultFile()
|
|
|
|
# Check for reasonable breakpoint
|
|
|
|
line = self.checkline(filename, lineno)
|
|
|
|
if line:
|
|
|
|
# now set the break point
|
2004-08-30 10:29:44 -03:00
|
|
|
err = self.set_break(filename, line, temporary, cond, funcname)
|
2006-05-10 14:13:20 -03:00
|
|
|
if err: print >>self.stdout, '***', err
|
2001-01-14 20:50:52 -04:00
|
|
|
else:
|
|
|
|
bp = self.get_breaks(filename, line)[-1]
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, "Breakpoint %d at %s:%d" % (bp.number,
|
|
|
|
bp.file,
|
|
|
|
bp.line)
|
2001-01-14 20:50:52 -04:00
|
|
|
|
|
|
|
# To be overridden in derived debuggers
|
|
|
|
def defaultFile(self):
|
|
|
|
"""Produce a reasonable default."""
|
|
|
|
filename = self.curframe.f_code.co_filename
|
2004-10-12 15:12:09 -03:00
|
|
|
if filename == '<string>' and self.mainpyfile:
|
|
|
|
filename = self.mainpyfile
|
2001-01-14 20:50:52 -04:00
|
|
|
return filename
|
|
|
|
|
|
|
|
do_b = do_break
|
|
|
|
|
|
|
|
def do_tbreak(self, arg):
|
|
|
|
self.do_break(arg, 1)
|
|
|
|
|
|
|
|
def lineinfo(self, identifier):
|
|
|
|
failed = (None, None, None)
|
|
|
|
# Input is identifier, may be in single quotes
|
2001-02-09 03:58:53 -04:00
|
|
|
idstring = identifier.split("'")
|
2001-01-14 20:50:52 -04:00
|
|
|
if len(idstring) == 1:
|
|
|
|
# not in single quotes
|
2001-02-09 03:58:53 -04:00
|
|
|
id = idstring[0].strip()
|
2001-01-14 20:50:52 -04:00
|
|
|
elif len(idstring) == 3:
|
|
|
|
# quoted
|
2001-02-09 03:58:53 -04:00
|
|
|
id = idstring[1].strip()
|
2001-01-14 20:50:52 -04:00
|
|
|
else:
|
|
|
|
return failed
|
|
|
|
if id == '': return failed
|
2001-02-09 03:58:53 -04:00
|
|
|
parts = id.split('.')
|
2001-01-14 20:50:52 -04:00
|
|
|
# Protection for derived debuggers
|
|
|
|
if parts[0] == 'self':
|
|
|
|
del parts[0]
|
|
|
|
if len(parts) == 0:
|
|
|
|
return failed
|
|
|
|
# Best first guess at file to look at
|
|
|
|
fname = self.defaultFile()
|
|
|
|
if len(parts) == 1:
|
|
|
|
item = parts[0]
|
|
|
|
else:
|
|
|
|
# More than one part.
|
|
|
|
# First is module, second is method/class
|
|
|
|
f = self.lookupmodule(parts[0])
|
|
|
|
if f:
|
|
|
|
fname = f
|
|
|
|
item = parts[1]
|
|
|
|
answer = find_function(item, fname)
|
|
|
|
return answer or failed
|
|
|
|
|
|
|
|
def checkline(self, filename, lineno):
|
2004-08-30 10:29:44 -03:00
|
|
|
"""Check whether specified line seems to be executable.
|
2001-01-14 20:50:52 -04:00
|
|
|
|
2004-08-30 10:29:44 -03:00
|
|
|
Return `lineno` if it is, 0 if not (e.g. a docstring, comment, blank
|
|
|
|
line or EOF). Warning: testing is not comprehensive.
|
|
|
|
"""
|
2001-01-14 20:50:52 -04:00
|
|
|
line = linecache.getline(filename, lineno)
|
|
|
|
if not line:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, 'End of file'
|
2001-01-14 20:50:52 -04:00
|
|
|
return 0
|
2001-02-09 03:58:53 -04:00
|
|
|
line = line.strip()
|
2001-01-14 20:50:52 -04:00
|
|
|
# Don't allow setting breakpoint at a blank line
|
2002-07-12 10:10:53 -03:00
|
|
|
if (not line or (line[0] == '#') or
|
|
|
|
(line[:3] == '"""') or line[:3] == "'''"):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, '*** Blank or comment'
|
2001-01-14 20:50:52 -04:00
|
|
|
return 0
|
|
|
|
return lineno
|
|
|
|
|
|
|
|
def do_enable(self, arg):
|
2001-02-09 03:58:53 -04:00
|
|
|
args = arg.split()
|
2001-01-14 20:50:52 -04:00
|
|
|
for i in args:
|
2003-05-22 11:46:12 -03:00
|
|
|
try:
|
|
|
|
i = int(i)
|
|
|
|
except ValueError:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, 'Breakpoint index %r is not a number' % i
|
2003-05-22 11:46:12 -03:00
|
|
|
continue
|
|
|
|
|
|
|
|
if not (0 <= i < len(bdb.Breakpoint.bpbynumber)):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, 'No breakpoint numbered', i
|
2003-05-22 11:46:12 -03:00
|
|
|
continue
|
|
|
|
|
|
|
|
bp = bdb.Breakpoint.bpbynumber[i]
|
2001-01-14 20:50:52 -04:00
|
|
|
if bp:
|
|
|
|
bp.enable()
|
|
|
|
|
|
|
|
def do_disable(self, arg):
|
2001-02-09 03:58:53 -04:00
|
|
|
args = arg.split()
|
2001-01-14 20:50:52 -04:00
|
|
|
for i in args:
|
2003-05-22 11:46:12 -03:00
|
|
|
try:
|
|
|
|
i = int(i)
|
|
|
|
except ValueError:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, 'Breakpoint index %r is not a number' % i
|
2003-05-22 11:46:12 -03:00
|
|
|
continue
|
2003-06-15 20:26:30 -03:00
|
|
|
|
2003-05-22 11:46:12 -03:00
|
|
|
if not (0 <= i < len(bdb.Breakpoint.bpbynumber)):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, 'No breakpoint numbered', i
|
2003-05-22 11:46:12 -03:00
|
|
|
continue
|
|
|
|
|
|
|
|
bp = bdb.Breakpoint.bpbynumber[i]
|
2001-01-14 20:50:52 -04:00
|
|
|
if bp:
|
|
|
|
bp.disable()
|
|
|
|
|
|
|
|
def do_condition(self, arg):
|
|
|
|
# arg is breakpoint number and condition
|
2001-02-09 03:58:53 -04:00
|
|
|
args = arg.split(' ', 1)
|
2007-01-22 17:23:45 -04:00
|
|
|
try:
|
|
|
|
bpnum = int(args[0].strip())
|
|
|
|
except ValueError:
|
|
|
|
# something went wrong
|
|
|
|
print >>self.stdout, \
|
|
|
|
'Breakpoint index %r is not a number' % args[0]
|
2007-03-11 05:28:50 -03:00
|
|
|
return
|
2001-01-14 20:50:52 -04:00
|
|
|
try:
|
|
|
|
cond = args[1]
|
|
|
|
except:
|
|
|
|
cond = None
|
2007-03-11 13:04:01 -03:00
|
|
|
try:
|
|
|
|
bp = bdb.Breakpoint.bpbynumber[bpnum]
|
|
|
|
except IndexError:
|
|
|
|
print >>self.stdout, 'Breakpoint index %r is not valid' % args[0]
|
|
|
|
return
|
2001-01-14 20:50:52 -04:00
|
|
|
if bp:
|
|
|
|
bp.cond = cond
|
|
|
|
if not cond:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, 'Breakpoint', bpnum,
|
|
|
|
print >>self.stdout, 'is now unconditional.'
|
2001-01-14 20:50:52 -04:00
|
|
|
|
|
|
|
def do_ignore(self,arg):
|
|
|
|
"""arg is bp number followed by ignore count."""
|
2001-02-09 03:58:53 -04:00
|
|
|
args = arg.split()
|
2007-01-22 17:23:45 -04:00
|
|
|
try:
|
|
|
|
bpnum = int(args[0].strip())
|
|
|
|
except ValueError:
|
|
|
|
# something went wrong
|
|
|
|
print >>self.stdout, \
|
|
|
|
'Breakpoint index %r is not a number' % args[0]
|
2007-03-11 05:28:50 -03:00
|
|
|
return
|
2001-01-14 20:50:52 -04:00
|
|
|
try:
|
2001-02-09 03:58:53 -04:00
|
|
|
count = int(args[1].strip())
|
2001-01-14 20:50:52 -04:00
|
|
|
except:
|
|
|
|
count = 0
|
2007-03-11 13:04:01 -03:00
|
|
|
try:
|
|
|
|
bp = bdb.Breakpoint.bpbynumber[bpnum]
|
|
|
|
except IndexError:
|
|
|
|
print >>self.stdout, 'Breakpoint index %r is not valid' % args[0]
|
|
|
|
return
|
2001-01-14 20:50:52 -04:00
|
|
|
if bp:
|
|
|
|
bp.ignore = count
|
2002-07-12 10:10:53 -03:00
|
|
|
if count > 0:
|
2001-01-14 20:50:52 -04:00
|
|
|
reply = 'Will ignore next '
|
2002-07-12 10:10:53 -03:00
|
|
|
if count > 1:
|
2001-01-14 20:50:52 -04:00
|
|
|
reply = reply + '%d crossings' % count
|
|
|
|
else:
|
|
|
|
reply = reply + '1 crossing'
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, reply + ' of breakpoint %d.' % bpnum
|
2001-01-14 20:50:52 -04:00
|
|
|
else:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, 'Will stop next time breakpoint',
|
|
|
|
print >>self.stdout, bpnum, 'is reached.'
|
2001-01-14 20:50:52 -04:00
|
|
|
|
|
|
|
def do_clear(self, arg):
|
|
|
|
"""Three possibilities, tried in this order:
|
|
|
|
clear -> clear all breaks, ask for confirmation
|
|
|
|
clear file:lineno -> clear all breaks at file:lineno
|
|
|
|
clear bpno bpno ... -> clear breakpoints by number"""
|
|
|
|
if not arg:
|
|
|
|
try:
|
|
|
|
reply = raw_input('Clear all breaks? ')
|
|
|
|
except EOFError:
|
|
|
|
reply = 'no'
|
2001-02-09 03:58:53 -04:00
|
|
|
reply = reply.strip().lower()
|
2001-01-14 20:50:52 -04:00
|
|
|
if reply in ('y', 'yes'):
|
|
|
|
self.clear_all_breaks()
|
|
|
|
return
|
|
|
|
if ':' in arg:
|
|
|
|
# Make sure it works for "clear C:\foo\bar.py:12"
|
2001-02-09 03:58:53 -04:00
|
|
|
i = arg.rfind(':')
|
2001-01-14 20:50:52 -04:00
|
|
|
filename = arg[:i]
|
|
|
|
arg = arg[i+1:]
|
|
|
|
try:
|
|
|
|
lineno = int(arg)
|
2006-05-03 15:12:33 -03:00
|
|
|
except ValueError:
|
2001-01-14 20:50:52 -04:00
|
|
|
err = "Invalid line number (%s)" % arg
|
|
|
|
else:
|
|
|
|
err = self.clear_break(filename, lineno)
|
2006-05-10 14:13:20 -03:00
|
|
|
if err: print >>self.stdout, '***', err
|
2001-01-14 20:50:52 -04:00
|
|
|
return
|
2001-02-09 03:58:53 -04:00
|
|
|
numberlist = arg.split()
|
2001-01-14 20:50:52 -04:00
|
|
|
for i in numberlist:
|
2006-05-03 15:12:33 -03:00
|
|
|
try:
|
|
|
|
i = int(i)
|
|
|
|
except ValueError:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, 'Breakpoint index %r is not a number' % i
|
2006-05-03 15:12:33 -03:00
|
|
|
continue
|
|
|
|
|
2005-08-24 04:36:17 -03:00
|
|
|
if not (0 <= i < len(bdb.Breakpoint.bpbynumber)):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, 'No breakpoint numbered', i
|
2005-08-24 04:36:17 -03:00
|
|
|
continue
|
2001-01-14 20:50:52 -04:00
|
|
|
err = self.clear_bpbynumber(i)
|
|
|
|
if err:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, '***', err
|
2001-01-14 20:50:52 -04:00
|
|
|
else:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, 'Deleted breakpoint', i
|
2001-01-14 20:50:52 -04:00
|
|
|
do_cl = do_clear # 'c' is already an abbreviation for 'continue'
|
|
|
|
|
|
|
|
def do_where(self, arg):
|
|
|
|
self.print_stack_trace()
|
|
|
|
do_w = do_where
|
2001-01-20 13:57:37 -04:00
|
|
|
do_bt = do_where
|
2001-01-14 20:50:52 -04:00
|
|
|
|
|
|
|
def do_up(self, arg):
|
|
|
|
if self.curindex == 0:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, '*** Oldest frame'
|
2001-01-14 20:50:52 -04:00
|
|
|
else:
|
|
|
|
self.curindex = self.curindex - 1
|
|
|
|
self.curframe = self.stack[self.curindex][0]
|
|
|
|
self.print_stack_entry(self.stack[self.curindex])
|
|
|
|
self.lineno = None
|
|
|
|
do_u = do_up
|
|
|
|
|
|
|
|
def do_down(self, arg):
|
|
|
|
if self.curindex + 1 == len(self.stack):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, '*** Newest frame'
|
2001-01-14 20:50:52 -04:00
|
|
|
else:
|
|
|
|
self.curindex = self.curindex + 1
|
|
|
|
self.curframe = self.stack[self.curindex][0]
|
|
|
|
self.print_stack_entry(self.stack[self.curindex])
|
|
|
|
self.lineno = None
|
|
|
|
do_d = do_down
|
|
|
|
|
|
|
|
def do_step(self, arg):
|
|
|
|
self.set_step()
|
|
|
|
return 1
|
|
|
|
do_s = do_step
|
|
|
|
|
|
|
|
def do_next(self, arg):
|
|
|
|
self.set_next(self.curframe)
|
|
|
|
return 1
|
|
|
|
do_n = do_next
|
|
|
|
|
|
|
|
def do_return(self, arg):
|
|
|
|
self.set_return(self.curframe)
|
|
|
|
return 1
|
|
|
|
do_r = do_return
|
|
|
|
|
|
|
|
def do_continue(self, arg):
|
|
|
|
self.set_continue()
|
|
|
|
return 1
|
|
|
|
do_c = do_cont = do_continue
|
|
|
|
|
2002-12-17 12:15:34 -04:00
|
|
|
def do_jump(self, arg):
|
|
|
|
if self.curindex + 1 != len(self.stack):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, "*** You can only jump within the bottom frame"
|
2002-12-17 12:15:34 -04:00
|
|
|
return
|
|
|
|
try:
|
|
|
|
arg = int(arg)
|
|
|
|
except ValueError:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, "*** The 'jump' command requires a line number."
|
2002-12-17 12:15:34 -04:00
|
|
|
else:
|
|
|
|
try:
|
|
|
|
# Do the jump, fix up our copy of the stack, and display the
|
|
|
|
# new position
|
|
|
|
self.curframe.f_lineno = arg
|
|
|
|
self.stack[self.curindex] = self.stack[self.curindex][0], arg
|
|
|
|
self.print_stack_entry(self.stack[self.curindex])
|
|
|
|
except ValueError, e:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, '*** Jump failed:', e
|
2002-12-17 12:15:34 -04:00
|
|
|
do_j = do_jump
|
|
|
|
|
2003-04-09 16:06:21 -03:00
|
|
|
def do_debug(self, arg):
|
|
|
|
sys.settrace(None)
|
|
|
|
globals = self.curframe.f_globals
|
|
|
|
locals = self.curframe.f_locals
|
2008-02-13 14:41:48 -04:00
|
|
|
p = Pdb(self.completekey, self.stdin, self.stdout)
|
2003-04-09 16:36:34 -03:00
|
|
|
p.prompt = "(%s) " % self.prompt.strip()
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, "ENTERING RECURSIVE DEBUGGER"
|
2003-04-09 16:36:34 -03:00
|
|
|
sys.call_tracing(p.run, (arg, globals, locals))
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, "LEAVING RECURSIVE DEBUGGER"
|
2003-04-09 16:06:21 -03:00
|
|
|
sys.settrace(self.trace_dispatch)
|
|
|
|
self.lastcmd = p.lastcmd
|
|
|
|
|
2001-01-14 20:50:52 -04:00
|
|
|
def do_quit(self, arg):
|
2004-10-12 15:12:09 -03:00
|
|
|
self._user_requested_quit = 1
|
2001-01-14 20:50:52 -04:00
|
|
|
self.set_quit()
|
|
|
|
return 1
|
2004-10-12 15:12:09 -03:00
|
|
|
|
2001-01-14 20:50:52 -04:00
|
|
|
do_q = do_quit
|
2002-04-14 21:48:24 -03:00
|
|
|
do_exit = do_quit
|
2001-01-14 20:50:52 -04:00
|
|
|
|
2003-01-13 17:13:55 -04:00
|
|
|
def do_EOF(self, arg):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout
|
2004-10-12 15:12:09 -03:00
|
|
|
self._user_requested_quit = 1
|
2003-01-13 17:13:55 -04:00
|
|
|
self.set_quit()
|
|
|
|
return 1
|
|
|
|
|
2001-01-14 20:50:52 -04:00
|
|
|
def do_args(self, arg):
|
|
|
|
f = self.curframe
|
|
|
|
co = f.f_code
|
|
|
|
dict = f.f_locals
|
|
|
|
n = co.co_argcount
|
|
|
|
if co.co_flags & 4: n = n+1
|
|
|
|
if co.co_flags & 8: n = n+1
|
|
|
|
for i in range(n):
|
|
|
|
name = co.co_varnames[i]
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, name, '=',
|
|
|
|
if name in dict: print >>self.stdout, dict[name]
|
|
|
|
else: print >>self.stdout, "*** undefined ***"
|
2001-01-14 20:50:52 -04:00
|
|
|
do_a = do_args
|
|
|
|
|
|
|
|
def do_retval(self, arg):
|
2002-06-01 11:18:47 -03:00
|
|
|
if '__return__' in self.curframe.f_locals:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, self.curframe.f_locals['__return__']
|
2001-01-14 20:50:52 -04:00
|
|
|
else:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, '*** Not yet returned!'
|
2001-01-14 20:50:52 -04:00
|
|
|
do_rv = do_retval
|
|
|
|
|
2002-11-05 18:40:20 -04:00
|
|
|
def _getval(self, arg):
|
2001-01-14 20:50:52 -04:00
|
|
|
try:
|
2002-11-05 18:40:20 -04:00
|
|
|
return eval(arg, self.curframe.f_globals,
|
|
|
|
self.curframe.f_locals)
|
2001-01-14 20:50:52 -04:00
|
|
|
except:
|
|
|
|
t, v = sys.exc_info()[:2]
|
2002-11-05 18:40:20 -04:00
|
|
|
if isinstance(t, str):
|
2001-01-14 20:50:52 -04:00
|
|
|
exc_type_name = t
|
|
|
|
else: exc_type_name = t.__name__
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, '***', exc_type_name + ':', repr(v)
|
2002-11-05 18:40:20 -04:00
|
|
|
raise
|
|
|
|
|
|
|
|
def do_p(self, arg):
|
|
|
|
try:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, repr(self._getval(arg))
|
2002-11-05 18:40:20 -04:00
|
|
|
except:
|
|
|
|
pass
|
2001-01-14 20:50:52 -04:00
|
|
|
|
2002-11-05 18:40:20 -04:00
|
|
|
def do_pp(self, arg):
|
|
|
|
try:
|
2006-05-10 14:13:20 -03:00
|
|
|
pprint.pprint(self._getval(arg), self.stdout)
|
2002-11-05 18:40:20 -04:00
|
|
|
except:
|
|
|
|
pass
|
2001-01-14 20:50:52 -04:00
|
|
|
|
|
|
|
def do_list(self, arg):
|
|
|
|
self.lastcmd = 'list'
|
|
|
|
last = None
|
|
|
|
if arg:
|
|
|
|
try:
|
|
|
|
x = eval(arg, {}, {})
|
|
|
|
if type(x) == type(()):
|
|
|
|
first, last = x
|
|
|
|
first = int(first)
|
|
|
|
last = int(last)
|
|
|
|
if last < first:
|
|
|
|
# Assume it's a count
|
|
|
|
last = first + last
|
|
|
|
else:
|
|
|
|
first = max(1, int(x) - 5)
|
|
|
|
except:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, '*** Error in argument:', repr(arg)
|
2001-01-14 20:50:52 -04:00
|
|
|
return
|
|
|
|
elif self.lineno is None:
|
|
|
|
first = max(1, self.curframe.f_lineno - 5)
|
|
|
|
else:
|
|
|
|
first = self.lineno + 1
|
|
|
|
if last is None:
|
|
|
|
last = first + 10
|
|
|
|
filename = self.curframe.f_code.co_filename
|
|
|
|
breaklist = self.get_file_breaks(filename)
|
|
|
|
try:
|
|
|
|
for lineno in range(first, last+1):
|
|
|
|
line = linecache.getline(filename, lineno)
|
|
|
|
if not line:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, '[EOF]'
|
2001-01-14 20:50:52 -04:00
|
|
|
break
|
|
|
|
else:
|
2004-02-12 13:35:32 -04:00
|
|
|
s = repr(lineno).rjust(3)
|
2001-01-14 20:50:52 -04:00
|
|
|
if len(s) < 4: s = s + ' '
|
|
|
|
if lineno in breaklist: s = s + 'B'
|
|
|
|
else: s = s + ' '
|
|
|
|
if lineno == self.curframe.f_lineno:
|
|
|
|
s = s + '->'
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, s + '\t' + line,
|
2001-01-14 20:50:52 -04:00
|
|
|
self.lineno = lineno
|
|
|
|
except KeyboardInterrupt:
|
|
|
|
pass
|
|
|
|
do_l = do_list
|
|
|
|
|
|
|
|
def do_whatis(self, arg):
|
|
|
|
try:
|
|
|
|
value = eval(arg, self.curframe.f_globals,
|
|
|
|
self.curframe.f_locals)
|
|
|
|
except:
|
|
|
|
t, v = sys.exc_info()[:2]
|
|
|
|
if type(t) == type(''):
|
|
|
|
exc_type_name = t
|
|
|
|
else: exc_type_name = t.__name__
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, '***', exc_type_name + ':', repr(v)
|
2001-01-14 20:50:52 -04:00
|
|
|
return
|
|
|
|
code = None
|
|
|
|
# Is it a function?
|
|
|
|
try: code = value.func_code
|
|
|
|
except: pass
|
|
|
|
if code:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, 'Function', code.co_name
|
2001-01-14 20:50:52 -04:00
|
|
|
return
|
|
|
|
# Is it an instance method?
|
|
|
|
try: code = value.im_func.func_code
|
|
|
|
except: pass
|
|
|
|
if code:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, 'Method', code.co_name
|
2001-01-14 20:50:52 -04:00
|
|
|
return
|
|
|
|
# None of the above...
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, type(value)
|
2001-01-14 20:50:52 -04:00
|
|
|
|
|
|
|
def do_alias(self, arg):
|
2001-02-09 03:58:53 -04:00
|
|
|
args = arg.split()
|
2001-01-14 20:50:52 -04:00
|
|
|
if len(args) == 0:
|
|
|
|
keys = self.aliases.keys()
|
|
|
|
keys.sort()
|
|
|
|
for alias in keys:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, "%s = %s" % (alias, self.aliases[alias])
|
2001-01-14 20:50:52 -04:00
|
|
|
return
|
2002-07-12 10:10:53 -03:00
|
|
|
if args[0] in self.aliases and len(args) == 1:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, "%s = %s" % (args[0], self.aliases[args[0]])
|
2001-01-14 20:50:52 -04:00
|
|
|
else:
|
2001-02-09 03:58:53 -04:00
|
|
|
self.aliases[args[0]] = ' '.join(args[1:])
|
2001-01-14 20:50:52 -04:00
|
|
|
|
|
|
|
def do_unalias(self, arg):
|
2001-02-09 03:58:53 -04:00
|
|
|
args = arg.split()
|
2001-01-14 20:50:52 -04:00
|
|
|
if len(args) == 0: return
|
2002-06-01 11:18:47 -03:00
|
|
|
if args[0] in self.aliases:
|
2001-01-14 20:50:52 -04:00
|
|
|
del self.aliases[args[0]]
|
|
|
|
|
2006-04-17 14:08:37 -03:00
|
|
|
#list of all the commands making the program resume execution.
|
2006-05-10 14:13:20 -03:00
|
|
|
commands_resuming = ['do_continue', 'do_step', 'do_next', 'do_return',
|
|
|
|
'do_quit', 'do_jump']
|
2006-04-17 14:08:37 -03:00
|
|
|
|
2001-01-14 20:50:52 -04:00
|
|
|
# Print a traceback starting at the top stack frame.
|
|
|
|
# The most recently entered frame is printed last;
|
|
|
|
# this is different from dbx and gdb, but consistent with
|
|
|
|
# the Python interpreter's stack trace.
|
|
|
|
# It is also consistent with the up/down commands (which are
|
|
|
|
# compatible with dbx and gdb: up moves towards 'main()'
|
|
|
|
# and down moves towards the most recent stack frame).
|
|
|
|
|
|
|
|
def print_stack_trace(self):
|
|
|
|
try:
|
|
|
|
for frame_lineno in self.stack:
|
|
|
|
self.print_stack_entry(frame_lineno)
|
|
|
|
except KeyboardInterrupt:
|
|
|
|
pass
|
|
|
|
|
|
|
|
def print_stack_entry(self, frame_lineno, prompt_prefix=line_prefix):
|
|
|
|
frame, lineno = frame_lineno
|
|
|
|
if frame is self.curframe:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, '>',
|
2001-01-14 20:50:52 -04:00
|
|
|
else:
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, ' ',
|
|
|
|
print >>self.stdout, self.format_stack_entry(frame_lineno,
|
|
|
|
prompt_prefix)
|
2001-01-14 20:50:52 -04:00
|
|
|
|
|
|
|
|
|
|
|
# Help methods (derived from pdb.doc)
|
|
|
|
|
|
|
|
def help_help(self):
|
|
|
|
self.help_h()
|
|
|
|
|
|
|
|
def help_h(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """h(elp)
|
2001-01-14 20:50:52 -04:00
|
|
|
Without argument, print the list of available commands.
|
|
|
|
With a command name as argument, print help about that command
|
|
|
|
"help pdb" pipes the full documentation file to the $PAGER
|
|
|
|
"help exec" gives help on the ! command"""
|
|
|
|
|
|
|
|
def help_where(self):
|
|
|
|
self.help_w()
|
|
|
|
|
|
|
|
def help_w(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """w(here)
|
2001-01-14 20:50:52 -04:00
|
|
|
Print a stack trace, with the most recent frame at the bottom.
|
|
|
|
An arrow indicates the "current frame", which determines the
|
2001-01-20 13:57:37 -04:00
|
|
|
context of most commands. 'bt' is an alias for this command."""
|
|
|
|
|
|
|
|
help_bt = help_w
|
2001-01-14 20:50:52 -04:00
|
|
|
|
|
|
|
def help_down(self):
|
|
|
|
self.help_d()
|
|
|
|
|
|
|
|
def help_d(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """d(own)
|
2001-01-14 20:50:52 -04:00
|
|
|
Move the current frame one level down in the stack trace
|
2004-08-14 12:19:28 -03:00
|
|
|
(to a newer frame)."""
|
2001-01-14 20:50:52 -04:00
|
|
|
|
|
|
|
def help_up(self):
|
|
|
|
self.help_u()
|
|
|
|
|
|
|
|
def help_u(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """u(p)
|
2001-01-14 20:50:52 -04:00
|
|
|
Move the current frame one level up in the stack trace
|
2004-08-14 12:19:28 -03:00
|
|
|
(to an older frame)."""
|
2001-01-14 20:50:52 -04:00
|
|
|
|
|
|
|
def help_break(self):
|
|
|
|
self.help_b()
|
|
|
|
|
|
|
|
def help_b(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """b(reak) ([file:]lineno | function) [, condition]
|
2001-01-14 20:50:52 -04:00
|
|
|
With a line number argument, set a break there in the current
|
|
|
|
file. With a function name, set a break at first executable line
|
|
|
|
of that function. Without argument, list all breaks. If a second
|
|
|
|
argument is present, it is a string specifying an expression
|
|
|
|
which must evaluate to true before the breakpoint is honored.
|
|
|
|
|
|
|
|
The line number may be prefixed with a filename and a colon,
|
|
|
|
to specify a breakpoint in another file (probably one that
|
|
|
|
hasn't been loaded yet). The file is searched for on sys.path;
|
|
|
|
the .py suffix may be omitted."""
|
|
|
|
|
|
|
|
def help_clear(self):
|
|
|
|
self.help_cl()
|
|
|
|
|
|
|
|
def help_cl(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, "cl(ear) filename:lineno"
|
|
|
|
print >>self.stdout, """cl(ear) [bpnumber [bpnumber...]]
|
2001-01-14 20:50:52 -04:00
|
|
|
With a space separated list of breakpoint numbers, clear
|
|
|
|
those breakpoints. Without argument, clear all breaks (but
|
|
|
|
first ask confirmation). With a filename:lineno argument,
|
|
|
|
clear all breaks at that line in that file.
|
|
|
|
|
|
|
|
Note that the argument is different from previous versions of
|
|
|
|
the debugger (in python distributions 1.5.1 and before) where
|
|
|
|
a linenumber was used instead of either filename:lineno or
|
|
|
|
breakpoint numbers."""
|
|
|
|
|
|
|
|
def help_tbreak(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """tbreak same arguments as break, but breakpoint is
|
2001-01-14 20:50:52 -04:00
|
|
|
removed when first hit."""
|
|
|
|
|
|
|
|
def help_enable(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """enable bpnumber [bpnumber ...]
|
2001-01-14 20:50:52 -04:00
|
|
|
Enables the breakpoints given as a space separated list of
|
|
|
|
bp numbers."""
|
|
|
|
|
|
|
|
def help_disable(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """disable bpnumber [bpnumber ...]
|
2001-01-14 20:50:52 -04:00
|
|
|
Disables the breakpoints given as a space separated list of
|
|
|
|
bp numbers."""
|
|
|
|
|
|
|
|
def help_ignore(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """ignore bpnumber count
|
2001-01-14 20:50:52 -04:00
|
|
|
Sets the ignore count for the given breakpoint number. A breakpoint
|
|
|
|
becomes active when the ignore count is zero. When non-zero, the
|
|
|
|
count is decremented each time the breakpoint is reached and the
|
|
|
|
breakpoint is not disabled and any associated condition evaluates
|
|
|
|
to true."""
|
|
|
|
|
|
|
|
def help_condition(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """condition bpnumber str_condition
|
2001-01-14 20:50:52 -04:00
|
|
|
str_condition is a string specifying an expression which
|
|
|
|
must evaluate to true before the breakpoint is honored.
|
|
|
|
If str_condition is absent, any existing condition is removed;
|
|
|
|
i.e., the breakpoint is made unconditional."""
|
|
|
|
|
|
|
|
def help_step(self):
|
|
|
|
self.help_s()
|
|
|
|
|
|
|
|
def help_s(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """s(tep)
|
2001-01-14 20:50:52 -04:00
|
|
|
Execute the current line, stop at the first possible occasion
|
|
|
|
(either in a function that is called or in the current function)."""
|
|
|
|
|
|
|
|
def help_next(self):
|
|
|
|
self.help_n()
|
|
|
|
|
|
|
|
def help_n(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """n(ext)
|
2001-01-14 20:50:52 -04:00
|
|
|
Continue execution until the next line in the current function
|
|
|
|
is reached or it returns."""
|
|
|
|
|
|
|
|
def help_return(self):
|
|
|
|
self.help_r()
|
|
|
|
|
|
|
|
def help_r(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """r(eturn)
|
2001-01-14 20:50:52 -04:00
|
|
|
Continue execution until the current function returns."""
|
|
|
|
|
|
|
|
def help_continue(self):
|
|
|
|
self.help_c()
|
|
|
|
|
|
|
|
def help_cont(self):
|
|
|
|
self.help_c()
|
|
|
|
|
|
|
|
def help_c(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """c(ont(inue))
|
2001-01-14 20:50:52 -04:00
|
|
|
Continue execution, only stop when a breakpoint is encountered."""
|
|
|
|
|
2002-12-17 12:15:34 -04:00
|
|
|
def help_jump(self):
|
|
|
|
self.help_j()
|
|
|
|
|
|
|
|
def help_j(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """j(ump) lineno
|
2002-12-17 12:15:34 -04:00
|
|
|
Set the next line that will be executed."""
|
|
|
|
|
2003-04-09 16:06:21 -03:00
|
|
|
def help_debug(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """debug code
|
2003-04-09 16:06:21 -03:00
|
|
|
Enter a recursive debugger that steps through the code argument
|
|
|
|
(which is an arbitrary expression or statement to be executed
|
|
|
|
in the current environment)."""
|
|
|
|
|
2001-01-14 20:50:52 -04:00
|
|
|
def help_list(self):
|
|
|
|
self.help_l()
|
|
|
|
|
|
|
|
def help_l(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """l(ist) [first [,last]]
|
2001-01-14 20:50:52 -04:00
|
|
|
List source code for the current file.
|
|
|
|
Without arguments, list 11 lines around the current line
|
|
|
|
or continue the previous listing.
|
|
|
|
With one argument, list 11 lines starting at that line.
|
|
|
|
With two arguments, list the given range;
|
|
|
|
if the second argument is less than the first, it is a count."""
|
|
|
|
|
|
|
|
def help_args(self):
|
|
|
|
self.help_a()
|
|
|
|
|
|
|
|
def help_a(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """a(rgs)
|
2001-01-14 20:50:52 -04:00
|
|
|
Print the arguments of the current function."""
|
|
|
|
|
|
|
|
def help_p(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """p expression
|
2001-01-14 20:50:52 -04:00
|
|
|
Print the value of the expression."""
|
|
|
|
|
2002-11-05 18:40:20 -04:00
|
|
|
def help_pp(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """pp expression
|
2002-11-05 18:40:20 -04:00
|
|
|
Pretty-print the value of the expression."""
|
|
|
|
|
2001-01-14 20:50:52 -04:00
|
|
|
def help_exec(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """(!) statement
|
2001-01-14 20:50:52 -04:00
|
|
|
Execute the (one-line) statement in the context of
|
|
|
|
the current stack frame.
|
|
|
|
The exclamation point can be omitted unless the first word
|
|
|
|
of the statement resembles a debugger command.
|
|
|
|
To assign to a global variable you must always prefix the
|
|
|
|
command with a 'global' command, e.g.:
|
|
|
|
(Pdb) global list_options; list_options = ['-l']
|
|
|
|
(Pdb)"""
|
|
|
|
|
|
|
|
def help_quit(self):
|
|
|
|
self.help_q()
|
|
|
|
|
|
|
|
def help_q(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """q(uit) or exit - Quit from the debugger.
|
2001-01-14 20:50:52 -04:00
|
|
|
The program being executed is aborted."""
|
|
|
|
|
2002-04-14 21:48:24 -03:00
|
|
|
help_exit = help_q
|
|
|
|
|
2001-01-14 20:50:52 -04:00
|
|
|
def help_whatis(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """whatis arg
|
2001-01-14 20:50:52 -04:00
|
|
|
Prints the type of the argument."""
|
|
|
|
|
|
|
|
def help_EOF(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """EOF
|
2001-01-14 20:50:52 -04:00
|
|
|
Handles the receipt of EOF as a command."""
|
|
|
|
|
|
|
|
def help_alias(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """alias [name [command [parameter parameter ...] ]]
|
2001-01-14 20:50:52 -04:00
|
|
|
Creates an alias called 'name' the executes 'command'. The command
|
|
|
|
must *not* be enclosed in quotes. Replaceable parameters are
|
|
|
|
indicated by %1, %2, and so on, while %* is replaced by all the
|
|
|
|
parameters. If no command is given, the current alias for name
|
|
|
|
is shown. If no name is given, all aliases are listed.
|
|
|
|
|
|
|
|
Aliases may be nested and can contain anything that can be
|
|
|
|
legally typed at the pdb prompt. Note! You *can* override
|
|
|
|
internal pdb commands with aliases! Those internal commands
|
|
|
|
are then hidden until the alias is removed. Aliasing is recursively
|
|
|
|
applied to the first word of the command line; all other words
|
|
|
|
in the line are left alone.
|
|
|
|
|
|
|
|
Some useful aliases (especially when placed in the .pdbrc file) are:
|
|
|
|
|
|
|
|
#Print instance variables (usage "pi classInst")
|
|
|
|
alias pi for k in %1.__dict__.keys(): print "%1.",k,"=",%1.__dict__[k]
|
|
|
|
|
|
|
|
#Print instance variables in self
|
|
|
|
alias ps pi self
|
|
|
|
"""
|
|
|
|
|
|
|
|
def help_unalias(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """unalias name
|
2001-01-14 20:50:52 -04:00
|
|
|
Deletes the specified alias."""
|
|
|
|
|
2006-04-17 14:08:37 -03:00
|
|
|
def help_commands(self):
|
2006-05-10 14:13:20 -03:00
|
|
|
print >>self.stdout, """commands [bpnumber]
|
2006-04-17 14:08:37 -03:00
|
|
|
(com) ...
|
|
|
|
(com) end
|
|
|
|
(Pdb)
|
|
|
|
|
|
|
|
Specify a list of commands for breakpoint number bpnumber. The
|
|
|
|
commands themselves appear on the following lines. Type a line
|
|
|
|
containing just 'end' to terminate the commands.
|
|
|
|
|
|
|
|
To remove all commands from a breakpoint, type commands and
|
|
|
|
follow it immediately with end; that is, give no commands.
|
|
|
|
|
|
|
|
With no bpnumber argument, commands refers to the last
|
|
|
|
breakpoint set.
|
|
|
|
|
|
|
|
You can use breakpoint commands to start your program up again.
|
|
|
|
Simply use the continue command, or step, or any other
|
|
|
|
command that resumes execution.
|
|
|
|
|
|
|
|
Specifying any command resuming execution (currently continue,
|
|
|
|
step, next, return, jump, quit and their abbreviations) terminates
|
|
|
|
the command list (as if that command was immediately followed by end).
|
|
|
|
This is because any time you resume execution
|
2006-04-17 14:37:09 -03:00
|
|
|
(even with a simple next or step), you may encounter
|
2006-04-17 14:08:37 -03:00
|
|
|
another breakpoint--which could have its own command list, leading to
|
|
|
|
ambiguities about which list to execute.
|
|
|
|
|
|
|
|
If you use the 'silent' command in the command list, the
|
|
|
|
usual message about stopping at a breakpoint is not printed. This may
|
|
|
|
be desirable for breakpoints that are to print a specific message and
|
|
|
|
then continue. If none of the other commands print anything, you
|
|
|
|
see no sign that the breakpoint was reached.
|
|
|
|
"""
|
|
|
|
|
2001-01-14 20:50:52 -04:00
|
|
|
def help_pdb(self):
|
|
|
|
help()
|
|
|
|
|
|
|
|
def lookupmodule(self, filename):
|
2004-10-12 15:12:09 -03:00
|
|
|
"""Helper function for break/clear parsing -- may be overridden.
|
|
|
|
|
|
|
|
lookupmodule() translates (possibly incomplete) file or module name
|
|
|
|
into an absolute file name.
|
|
|
|
"""
|
|
|
|
if os.path.isabs(filename) and os.path.exists(filename):
|
2004-10-12 18:51:32 -03:00
|
|
|
return filename
|
2004-10-12 15:12:09 -03:00
|
|
|
f = os.path.join(sys.path[0], filename)
|
|
|
|
if os.path.exists(f) and self.canonic(f) == self.mainpyfile:
|
|
|
|
return f
|
2001-01-14 20:50:52 -04:00
|
|
|
root, ext = os.path.splitext(filename)
|
|
|
|
if ext == '':
|
|
|
|
filename = filename + '.py'
|
|
|
|
if os.path.isabs(filename):
|
|
|
|
return filename
|
|
|
|
for dirname in sys.path:
|
|
|
|
while os.path.islink(dirname):
|
|
|
|
dirname = os.readlink(dirname)
|
|
|
|
fullname = os.path.join(dirname, filename)
|
|
|
|
if os.path.exists(fullname):
|
|
|
|
return fullname
|
|
|
|
return None
|
1998-07-20 20:13:54 -03:00
|
|
|
|
2004-10-12 15:12:09 -03:00
|
|
|
def _runscript(self, filename):
|
|
|
|
# Start with fresh empty copy of globals and locals and tell the script
|
|
|
|
# that it's being run as __main__ to avoid scripts being able to access
|
|
|
|
# the pdb.py namespace.
|
2007-11-12 13:28:45 -04:00
|
|
|
globals_ = {"__name__" : "__main__", "__file__" : filename}
|
2004-10-12 18:51:32 -03:00
|
|
|
locals_ = globals_
|
2004-10-12 15:12:09 -03:00
|
|
|
|
|
|
|
# When bdb sets tracing, a number of call and line events happens
|
|
|
|
# BEFORE debugger even reaches user's code (and the exact sequence of
|
|
|
|
# events depends on python version). So we take special measures to
|
|
|
|
# avoid stopping before we reach the main script (see user_line and
|
|
|
|
# user_call for details).
|
|
|
|
self._wait_for_mainpyfile = 1
|
|
|
|
self.mainpyfile = self.canonic(filename)
|
|
|
|
self._user_requested_quit = 0
|
|
|
|
statement = 'execfile( "%s")' % filename
|
|
|
|
self.run(statement, globals=globals_, locals=locals_)
|
|
|
|
|
1992-09-08 08:59:04 -03:00
|
|
|
# Simplified interface
|
|
|
|
|
1995-02-27 09:13:40 -04:00
|
|
|
def run(statement, globals=None, locals=None):
|
2001-01-14 20:50:52 -04:00
|
|
|
Pdb().run(statement, globals, locals)
|
1995-02-27 09:13:40 -04:00
|
|
|
|
|
|
|
def runeval(expression, globals=None, locals=None):
|
2001-01-14 20:50:52 -04:00
|
|
|
return Pdb().runeval(expression, globals, locals)
|
1992-01-16 09:50:21 -04:00
|
|
|
|
|
|
|
def runctx(statement, globals, locals):
|
2001-01-14 20:50:52 -04:00
|
|
|
# B/W compatibility
|
|
|
|
run(statement, globals, locals)
|
1992-01-16 09:50:21 -04:00
|
|
|
|
2004-10-23 21:32:24 -03:00
|
|
|
def runcall(*args, **kwds):
|
|
|
|
return Pdb().runcall(*args, **kwds)
|
1992-09-02 17:43:20 -03:00
|
|
|
|
1994-08-01 08:34:53 -03:00
|
|
|
def set_trace():
|
2004-11-07 07:35:30 -04:00
|
|
|
Pdb().set_trace(sys._getframe().f_back)
|
1992-09-08 08:59:04 -03:00
|
|
|
|
|
|
|
# Post-Mortem interface
|
|
|
|
|
|
|
|
def post_mortem(t):
|
2001-01-14 20:50:52 -04:00
|
|
|
p = Pdb()
|
|
|
|
p.reset()
|
|
|
|
while t.tb_next is not None:
|
|
|
|
t = t.tb_next
|
|
|
|
p.interaction(t.tb_frame, t)
|
1992-09-08 08:59:04 -03:00
|
|
|
|
|
|
|
def pm():
|
2001-01-14 20:50:52 -04:00
|
|
|
post_mortem(sys.last_traceback)
|
1992-09-08 08:59:04 -03:00
|
|
|
|
|
|
|
|
|
|
|
# Main program for testing
|
|
|
|
|
1992-01-27 12:58:47 -04:00
|
|
|
TESTCMD = 'import x; x.main()'
|
1992-01-16 09:50:21 -04:00
|
|
|
|
1992-01-10 10:54:42 -04:00
|
|
|
def test():
|
2001-01-14 20:50:52 -04:00
|
|
|
run(TESTCMD)
|
1993-10-22 10:56:35 -03:00
|
|
|
|
|
|
|
# print help
|
|
|
|
def help():
|
2001-01-14 20:50:52 -04:00
|
|
|
for dirname in sys.path:
|
|
|
|
fullname = os.path.join(dirname, 'pdb.doc')
|
|
|
|
if os.path.exists(fullname):
|
|
|
|
sts = os.system('${PAGER-more} '+fullname)
|
|
|
|
if sts: print '*** Pager exit status:', sts
|
|
|
|
break
|
|
|
|
else:
|
|
|
|
print 'Sorry, can\'t find the help file "pdb.doc"',
|
|
|
|
print 'along the Python search path'
|
1996-07-30 13:28:13 -03:00
|
|
|
|
2004-10-12 15:12:09 -03:00
|
|
|
def main():
|
2001-01-14 20:50:52 -04:00
|
|
|
if not sys.argv[1:]:
|
|
|
|
print "usage: pdb.py scriptfile [arg] ..."
|
|
|
|
sys.exit(2)
|
1996-07-30 13:28:13 -03:00
|
|
|
|
2004-10-12 15:12:09 -03:00
|
|
|
mainpyfile = sys.argv[1] # Get script filename
|
|
|
|
if not os.path.exists(mainpyfile):
|
|
|
|
print 'Error:', mainpyfile, 'does not exist'
|
2001-01-14 20:50:52 -04:00
|
|
|
sys.exit(1)
|
2004-10-12 15:12:09 -03:00
|
|
|
|
2001-01-14 20:50:52 -04:00
|
|
|
del sys.argv[0] # Hide "pdb.py" from argument list
|
1996-07-30 13:28:13 -03:00
|
|
|
|
2004-10-12 15:12:09 -03:00
|
|
|
# Replace pdb's dir with script's dir in front of module search path.
|
|
|
|
sys.path[0] = os.path.dirname(mainpyfile)
|
1996-07-30 13:28:13 -03:00
|
|
|
|
2004-10-12 15:12:09 -03:00
|
|
|
# Note on saving/restoring sys.argv: it's a good idea when sys.argv was
|
|
|
|
# modified by the script being debugged. It's a bad idea when it was
|
|
|
|
# changed by the user from the command line. The best approach would be to
|
|
|
|
# have a "restart" command which would allow explicit specification of
|
|
|
|
# command line arguments.
|
|
|
|
pdb = Pdb()
|
|
|
|
while 1:
|
|
|
|
try:
|
|
|
|
pdb._runscript(mainpyfile)
|
|
|
|
if pdb._user_requested_quit:
|
|
|
|
break
|
2004-10-12 18:51:32 -03:00
|
|
|
print "The program finished and will be restarted"
|
2004-10-12 15:12:09 -03:00
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except SystemExit:
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# In most cases SystemExit does not warrant a post-mortem session.
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print "The program exited via sys.exit(). Exit status: ",
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print sys.exc_info()[1]
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except:
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traceback.print_exc()
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print "Uncaught exception. Entering post mortem debugging"
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print "Running 'cont' or 'step' will restart the program"
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t = sys.exc_info()[2]
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while t.tb_next is not None:
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t = t.tb_next
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pdb.interaction(t.tb_frame,t)
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print "Post mortem debugger finished. The "+mainpyfile+" will be restarted"
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# When invoked as main program, invoke the debugger on a script
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if __name__=='__main__':
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main()
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