mirror of
https://github.com/python/cpython.git
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4e16098ce7
Added runcall(func, *args) interfaces to profile.py, bdb.py, pdb.py, wdb.py Added new module bisect.py and used it in sched.py. Mostly cosmetic changes to profile.py (changed output format).
265 lines
6.2 KiB
Python
Executable file
265 lines
6.2 KiB
Python
Executable file
# pdb.py -- finally, a Python debugger!
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# (See pdb.doc for documentation.)
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import string
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import sys
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import linecache
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import cmd
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import bdb
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import repr
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class Pdb(bdb.Bdb, cmd.Cmd):
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def init(self):
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self = bdb.Bdb.init(self)
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self = cmd.Cmd.init(self)
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self.prompt = '(Pdb) '
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return self
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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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# Override Bdb methods (except user_call, for now)
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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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self.interaction(frame, None)
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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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print '--Return--'
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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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print exc_type + ':', repr.repr(exc_value)
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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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exec(line + '\n', globals, locals)
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except:
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print '***', sys.exc_type + ':', sys.exc_value
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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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def do_break(self, arg):
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if not arg:
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print self.get_all_breaks() # XXX
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return
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try:
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lineno = int(eval(arg))
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except:
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print '*** Error in argument:', `arg`
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return
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filename = self.curframe.f_code.co_filename
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err = self.set_break(filename, lineno)
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if err: print '***', err
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do_b = do_break
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def do_clear(self, arg):
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if not arg:
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try:
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reply = raw_input('Clear all breaks? ')
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except EOFError:
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reply = 'no'
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reply = string.lower(string.strip(reply))
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if reply in ('y', 'yes'):
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self.clear_all_breaks()
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return
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try:
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lineno = int(eval(arg))
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except:
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print '*** Error in argument:', `arg`
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return
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filename = self.curframe.f_code.co_filename
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err = self.set_break(filename, lineno)
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if err: print '***', err
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do_cl = do_clear # 'c' is already an abbreviation for 'continue'
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def do_where(self, arg):
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self.print_stack_trace()
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do_w = do_where
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def do_up(self, arg):
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if self.curindex == 0:
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print '*** Oldest frame'
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else:
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self.curindex = self.curindex - 1
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self.curframe = self.stack[self.curindex][0]
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self.print_stack_entry(self.stack[self.curindex])
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do_u = do_up
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def do_down(self, arg):
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if self.curindex + 1 == len(self.stack):
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print '*** Newest frame'
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else:
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self.curindex = self.curindex + 1
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self.curframe = self.stack[self.curindex][0]
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self.print_stack_entry(self.stack[self.curindex])
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do_d = do_down
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def do_step(self, arg):
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self.set_step()
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return 1
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do_s = do_step
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def do_next(self, arg):
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self.set_next(self.curframe)
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return 1
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do_n = do_next
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def do_return(self, arg):
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self.set_return(self.curframe)
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return 1
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do_r = do_return
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def do_continue(self, arg):
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self.set_continue()
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return 1
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do_c = do_cont = do_continue
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def do_quit(self, arg):
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self.set_quit()
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return 1
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do_q = do_quit
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def do_args(self, arg):
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if self.curframe.f_locals.has_key('__return__'):
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print `self.curframe.f_locals['__return__']`
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else:
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print '*** Not arguments?!'
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do_a = do_args
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def do_retval(self, arg):
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if self.curframe.f_locals.has_key('__return__'):
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print self.curframe.f_locals['__return__']
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else:
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print '*** Not yet returned!'
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do_rv = do_retval
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def do_p(self, arg):
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try:
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value = eval(arg, self.curframe.f_globals, \
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self.curframe.f_locals)
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except:
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print '***', sys.exc_type + ':', `sys.exc_value`
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return
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print `value`
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def do_list(self, arg):
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self.lastcmd = 'list'
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last = None
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if arg:
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try:
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x = eval(arg, {}, {})
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if type(x) == type(()):
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first, last = x
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first = int(first)
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last = int(last)
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if last < first:
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# Assume it's a count
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last = first + last
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else:
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first = int(x)
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except:
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print '*** Error in argument:', `arg`
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return
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elif self.lineno is None:
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first = max(1, self.curframe.f_lineno - 5)
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else:
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first = self.lineno + 1
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if last is None:
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last = first + 10
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filename = self.curframe.f_code.co_filename
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breaklist = self.get_file_breaks(filename)
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try:
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for lineno in range(first, last+1):
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line = linecache.getline(filename, lineno)
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if not line:
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print '[EOF]'
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break
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else:
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s = string.rjust(`lineno`, 3)
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if len(s) < 4: s = s + ' '
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if lineno in breaklist: s = s + 'B'
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else: s = s + ' '
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if lineno == self.curframe.f_lineno:
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s = s + '->'
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print s + '\t' + line,
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self.lineno = lineno
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except KeyboardInterrupt:
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pass
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do_l = do_list
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# Print a traceback starting at the top stack frame.
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# The most recently entered frame is printed last;
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# this is different from dbx and gdb, but consistent with
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# the Python interpreter's stack trace.
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# It is also consistent with the up/down commands (which are
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# compatible with dbx and gdb: up moves towards 'main()'
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# and down moves towards the most recent stack frame).
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def print_stack_trace(self):
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try:
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for frame_lineno in self.stack:
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self.print_stack_entry(frame_lineno)
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except KeyboardInterrupt:
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pass
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def print_stack_entry(self, frame_lineno):
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frame, lineno = frame_lineno
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if frame is self.curframe:
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print '>',
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else:
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print ' ',
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print self.format_stack_entry(frame_lineno)
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def run(statement):
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Pdb().init().run(statement)
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def runctx(statement, globals, locals):
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Pdb().init().runctx(statement, globals, locals)
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def runcall(*args):
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apply(Pdb().init().runcall, args)
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TESTCMD = 'import x; x.main()'
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def test():
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import linecache
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linecache.checkcache()
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run(TESTCMD)
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