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- #! /usr/bin/env python
-
- # Bldb.py -- Blade Python debugger
-
-
-
- import string
- import sys
- import linecache
- import cmd
- import bdb
- import repr
-
- import os
- import Bldbx
- import win32file
- import win32pipe
- import win32api
-
-
- # Interaction prompt line will separate file and call info from code
- # text using value of line_prefix string. A newline and arrow may
- # be to your liking. You can set it once pdb is imported using the
- # command "pdb.line_prefix = '\n% '".
- # line_prefix = ': ' # Use this to get the old situation back
- line_prefix = '\n-> ' # Probably a better default
-
- class Bldb(bdb.Bdb, cmd.Cmd):
-
- def __init__(self):
- bdb.Bdb.__init__(self)
- cmd.Cmd.__init__(self)
- self.prompt = '(Bldb) '
-
- self.UseBldbx=Bldbx.initComm("BPyDebug")
- if self.UseBldbx:
- print "BPyDebug found."
- else:
- print "Can't find BPyDebug."
-
- try:
- self.pipe=win32file.CreateFile("\\\\.\\pipe\\BPyDebug",win32file.GENERIC_READ|win32file.GENERIC_WRITE,win32file.FILE_SHARE_WRITE|win32file.FILE_SHARE_READ,None,win32file.OPEN_EXISTING,0,0)
- self.status=win32pipe.GetNamedPipeHandleState(self.pipe)
- self.UsePipe=1
-
- str_path=os.getcwd()+";"
- for i in sys.path:
- str_path=str_path+str(i)+";"
- self.SendMessageToDebugger("Init;"+str_path)
- except:
- self.UsePipe=0
-
- if self.UsePipe==0:
- print "Can┤t use pipes to communicate with the debugger."
- else:
- print "self.UsePipe"
- self.old_stdout=sys.stdout
- self.old_stderr=sys.stderr
- sys.stdout=self
-
-
-
- def reset(self):
- bdb.Bdb.reset(self)
- self.forget()
-
- def forget(self):
- self.lineno = None
- self.stack = []
- self.curindex = 0
- self.curframe = None
-
- def setup(self, f, t):
- self.forget()
- self.stack, self.curindex = self.get_stack(f, t)
- self.curframe = self.stack[self.curindex][0]
- #informo al depurador del archivo en el que estamos
- self.UpdateDebugger()
-
-
- # Override Bdb methods (except user_call, for now)
-
- def user_line(self, frame):
- # This function is called when we stop or break at this line
- self.interaction(frame, None)
-
- def user_return(self, frame, return_value):
- # This function is called when a return trap is set here
- frame.f_locals['__return__'] = return_value
- print '--Return--'
- self.interaction(frame, None)
-
- def user_exception(self, frame, (exc_type, exc_value, exc_traceback)):
- # This function is called if an exception occurs,
- # but only if we are to stop at or just below this level
- frame.f_locals['__exception__'] = exc_type, exc_value
- if type(exc_type) == type(''):
- exc_type_name = exc_type
- else: exc_type_name = exc_type.__name__
- print exc_type_name + ':', repr.repr(exc_value)
- self.interaction(frame, exc_traceback)
-
- # General interaction function
-
- def interaction(self, frame, traceback):
- self.setup(frame, traceback)
- if not self.UseBldbx:
- self.print_stack_entry(self.stack[self.curindex])
- self.cmdloop()
- self.forget()
-
- def default(self, line):
- if line[:1] == '!': line = line[1:]
- locals = self.curframe.f_locals
- globals = self.curframe.f_globals
- globals['__privileged__'] = 1
- try:
- code = compile(line + '\n', '<stdin>', 'single')
- exec code in globals, locals
- except:
- t, v = sys.exc_info()[:2]
- if type(t) == type(''):
- exc_type_name = t
- else: exc_type_name = t.__name__
- print '***', exc_type_name + ':', v
-
- # Command definitions, called by cmdloop()
- # The argument is the remaining string on the command line
- # Return true to exit from the command loop
-
- do_h = cmd.Cmd.do_help
-
- def do_break(self, arg):
- if not arg:
- print self.get_all_breaks() # XXX
- return
- # Try line number as argument
- try:
- arg = eval(arg, self.curframe.f_globals,
- self.curframe.f_locals)
- except:
- print '*** Could not eval argument:', arg
- return
-
- # Check for condition
- try: arg, cond = arg
- except: arg, cond = arg, None
-
- try:
- lineno = int(arg)
- filename = self.curframe.f_code.co_filename
- except:
- # Try function name as the argument
- try:
- func = arg
- if hasattr(func, 'im_func'):
- func = func.im_func
- code = func.func_code
- except:
- print '*** The specified object',
- print 'is not a function', arg
- return
- lineno = code.co_firstlineno
- filename = code.co_filename
-
- # now set the break point
- err = self.set_break(filename, lineno, cond)
- if err: print '***', err
-
- do_b = do_break
-
- def do_clear(self, arg):
- if not arg:
- try:
- reply = raw_input('Clear all breaks? ')
- except EOFError:
- reply = 'no'
- reply = string.lower(string.strip(reply))
- if reply in ('y', 'yes'):
- self.clear_all_breaks()
- return
- try:
- lineno = int(eval(arg))
- except:
- print '*** Error in argument:', `arg`
- return
- filename = self.curframe.f_code.co_filename
- err = self.clear_break(filename, lineno)
- if err: print '***', err
- do_cl = do_clear # 'c' is already an abbreviation for 'continue'
-
- def do_where(self, arg):
- self.print_stack_trace()
- do_w = do_where
-
- def do_up(self, arg):
- if self.curindex == 0:
- print '*** Oldest frame'
- 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):
- print '*** Newest frame'
- 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
-
- def do_quit(self, arg):
- self.set_quit()
- return 1
- do_q = do_quit
-
- 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]
- print name, '=',
- if dict.has_key(name): print dict[name]
- else: print "*** undefined ***"
- do_a = do_args
-
- def do_retval(self, arg):
- if self.curframe.f_locals.has_key('__return__'):
- print self.curframe.f_locals['__return__']
- else:
- print '*** Not yet returned!'
- do_rv = do_retval
-
- def do_p(self, arg):
- self.curframe.f_globals['__privileged__'] = 1
- 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__
- print '***', exc_type_name + ':', `v`
- return
-
- print `value`
-
- 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:
- print '*** Error in argument:', `arg`
- return
- elif self.lineno is None:
- first = max(1, self.curframe.f_lineno - 5)
- else:
- first = self.lineno + 1
- if last == 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:
- print '[EOF]'
- break
- else:
- s = string.rjust(`lineno`, 3)
- if len(s) < 4: s = s + ' '
- if lineno in breaklist: s = s + 'B'
- else: s = s + ' '
- if lineno == self.curframe.f_lineno:
- s = s + '->'
- print s + '\t' + line,
- 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__
- print '***', exc_type_name + ':', `v`
- return
- code = None
- # Is it a function?
- try: code = value.func_code
- except: pass
- if code:
- print 'Function', code.co_name
- return
- # Is it an instance method?
- try: code = value.im_func.func_code
- except: pass
- if code:
- print 'Method', code.co_name
- return
- # None of the above...
- print type(value)
-
- # 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:
- print '>',
- else:
- print ' ',
- print self.format_stack_entry(frame_lineno, prompt_prefix)
-
-
- # Help methods (derived from pdb.doc)
-
- def help_help(self):
- self.help_h()
-
- def help_h(self):
- print """h(elp)
- 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):
- print """w(here)
- Print a stack trace, with the most recent frame at the bottom.
- An arrow indicates the "current frame", which determines the
- context of most commands."""
-
- def help_down(self):
- self.help_d()
-
- def help_d(self):
- print """d(own)
- Move the current frame one level down in the stack trace
- (to an older frame)."""
-
- def help_up(self):
- self.help_u()
-
- def help_u(self):
- print """u(p)
- Move the current frame one level up in the stack trace
- (to a newer frame)."""
-
- def help_break(self):
- self.help_b()
-
- def help_b(self):
- print """b(reak) [lineno | function] [, "condition"]
- With a line number argument, set a break there in the current
- file. With a function name, set a break at the entry 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.
- """
-
- def help_clear(self):
- self.help_cl()
-
- def help_cl(self):
- print """cl(ear) [lineno]
- With a line number argument, clear that break in the current file.
- Without argument, clear all breaks (but first ask confirmation)."""
-
- def help_step(self):
- self.help_s()
-
- def help_s(self):
- print """s(tep)
- 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):
- print """n(ext)
- 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):
- print """r(eturn)
- 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):
- print """c(ont(inue))
- Continue execution, only stop when a breakpoint is encountered."""
-
- def help_list(self):
- self.help_l()
-
- def help_l(self):
- print """l(ist) [first [,last]]
- 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):
- print """a(rgs)
- Print the arguments of the current function."""
-
- def help_p(self):
- print """p expression
- Print the value of the expression."""
-
- def help_exec(self):
- print """(!) statement
- 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):
- print """q(uit) Quit from the debugger.
- The program being executed is aborted."""
-
- def help_pdb(self):
- help()
-
-
-
- # Nuevo cmdloop con win32pipe
- def cmdloop(self):
- stop = None
- while not stop:
- try:
- if self.UsePipe:
- line = win32file.ReadFile(self.pipe,512,None)[1]
- else:
- #sys.stdout=self.old_stdout
- line=raw_input(self.prompt)
- #sys.stdout=self
- except EOFError:
- line = 'EOF'
- stop = self.onecmd(line)
-
- def SendMessageToDebugger(self,message):
- if self.UseBldbx:
- Bldbx.SendDebugMessage(0,message)
-
- # Comunica al depurador en que archivo estmos
- def SetDebugFile(self,filename,linenumber):
- #full_path=os.path.abspath(filename)
- string="Filename;"+str(linenumber)+";"+filename
- #string="Filename;"+str(linenumber)+";"+str(full_path)
- self.SendMessageToDebugger(string)
-
-
- # Redirecciona la salida al depurador
- def write(self,message):
- string="Output;"+str(message)
- #self.old_stdout.write(string)
- self.SendMessageToDebugger(string)
-
-
- def UpdateDebugger(self):
- filename = self.curframe.f_code.co_filename
- self.SetDebugFile(filename,self.curframe.f_lineno)
- self.DebugShowStackTrace()
-
-
-
- def DebugShowStackTrace(self):
- "Pasa informacion sobre la pila al depurador"
- try:
- nEntry=0
- nEntrys=len(self.stack)
- for frame_lineno in self.stack:
- self.DebugShowStackEntry(frame_lineno,nEntry,nEntrys)
- #self.print_stack_entry(frame_lineno)
- nEntry=nEntry+1
- except KeyboardInterrupt:
- pass
-
- def DebugShowStackEntry(self, frame_lineno,nEntry,nEntrys):
- frame, lineno = frame_lineno
- entry=" "
- if frame is self.curframe:
- entry='>'
-
- EntryText=self.DebugFormatStackEntry(frame_lineno, line_prefix)
- entry=entry+EntryText
- string="SetStackEntry;"+entry+";"+frame.f_code.co_filename+";"+str(lineno)+";"+str(nEntry)+";"+str(nEntrys)
- self.SendMessageToDebugger(string)
-
- def DebugFormatStackEntry(self, frame_lineno, lprefix=': '):
- import linecache, repr, string
- frame, lineno = frame_lineno
- filename = frame.f_code.co_filename
- #s = filename + '(' + `lineno` + ')'
- if frame.f_code.co_name:
- s = frame.f_code.co_name
- else:
- s = "<lambda>"
-
- #if frame.f_locals.has_key('__args__'):
- # args = frame.f_locals['__args__']
- #else:
- # args = None
- #if args:
- # s = s + repr.repr(args)
- #else:
- # s = s + '()'
-
- self.old_stdout.write("Check1")
- fcode=frame.f_code
- fdict=frame.f_locals
- nargs = fcode.co_argcount
- self.old_stdout.write("nargs"+str(nargs))
- if fcode.co_flags & 4:
- nargs = nargs+1
- if fcode.co_flags & 8:
- nargs = nargs+1
- s=s+'('#+str(nargs)
- for iarg in range(nargs):
- argname = fcode.co_varnames[iarg]
- s=s + argname# + '='
- # if fdict.has_key(argname):
- # s=s+str(fdict[argname])
- # else:
- # s=s+ "*** undefined ***"
- if iarg!=nargs-1:
- s=s+","
-
- s=s+')'
- #if frame.f_locals.has_key('__return__'):
- # rv = frame.f_locals['__return__']
- # s = s + '->'
- # s = s + repr.repr(rv)
- #line = linecache.getline(filename, lineno)
- #if line: s = s + lprefix + string.strip(line)
- return s
-
-
- def set_break(self, filename, lineno, cond=None):
- print "set_break\n"
-
- if not self.breaks.has_key(filename):
- print "Adding self.breaks[filename] = [],",filename
- self.breaks[filename]=[]
- else:
- print "Has key",filename
-
- print "self.breaks,filename",self.breaks,filename
- list = self.breaks[filename]
- print "list,lineno",list,lineno
- if lineno in list:
- print "Inside if"
- self.clear_break(filename,lineno)
- print "break cleared"
- string="RemoveBreakPoint;"+filename+";"+str(lineno)
- self.SendMessageToDebugger(string)
- return
-
- list.append(lineno)
- if cond is not None:
- self.cbreaks[filename, lineno]=cond
-
- string="SetBreakPoint;"+filename+";"+str(lineno)+";"+str(cond)
- self.SendMessageToDebugger(string)
-
-
- def clear_break(self, filename, lineno):
- print "clear_break called"
- if not self.breaks.has_key(filename):
- print 'There are no breakpoints in that file!'
- print "clear_break: if 1"
- if lineno not in self.breaks[filename]:
- print 'There is no breakpoint there!'
- print "clear_break: if 2"
- self.breaks[filename].remove(lineno)
- print "clear_break: remove"
- if not self.breaks[filename]:
- del self.breaks[filename]
- try:
- del self.cbreaks[filename, lineno]
- except:
- pass
-
-
- def do_BladeBreak(self,arg): # Siempre serßn archivo,n·mero de lφnea
- self.old_stderr.write("\ndo_BladeBreak\n")
- try:
- arg = eval(arg, self.curframe.f_globals,self.curframe.f_locals)
- except:
- print '*** Could not eval argument:', arg
- return
-
- filename,lineno=arg
- str_temp= "BladeBreak ->"+str(filename)+str(lineno)+"\n"
- self.old_stderr.write(str_temp)
- err = self.set_break(filename, lineno, None)
- if err:
- print '*** BladeBreak *** ', err
-
-
-
- # Simplified interface
-
- def run(statement, globals=None, locals=None):
- Bldb().run(statement, globals, locals)
-
- def runeval(expression, globals=None, locals=None):
- return Bldb().runeval(expression, globals, locals)
-
- def runctx(statement, globals, locals):
- # B/W compatibility
- run(statement, globals, locals)
-
- def runcall(*args):
- return apply(Bldb().runcall, args)
-
- def set_trace():
- Bldb().set_trace()
-
- # Post-Mortem interface
-
- def post_mortem(t):
- p = Bldb()
- p.reset()
- while t.tb_next <> None: t = t.tb_next
- p.interaction(t.tb_frame, t)
-
- def pm():
- import sys
- post_mortem(sys.last_traceback)
-
-
- # Main program for testing
-
- TESTCMD = 'import x; x.main()'
-
- def test():
- run(TESTCMD)
-
- # print help
- def help():
- import os
- 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'
-
- # When invoked as main program, invoke the debugger on a script
- if __name__=='__main__':
- import sys
- import os
- if not sys.argv[1:]:
- print "usage: pdb.py scriptfile [arg] ..."
- sys.exit(2)
-
- filename = sys.argv[1] # Get script filename
-
- del sys.argv[0] # Hide "pdb.py" from argument list
-
- # Insert script directory in front of module search path
- sys.path.insert(0, os.path.dirname(filename))
-
- run('execfile(' + `filename` + ')', {'__name__': '__main__'})
-