diff options
Diffstat (limited to 'Lib/pdb.py')
| -rwxr-xr-x | Lib/pdb.py | 199 |
1 files changed, 104 insertions, 95 deletions
@@ -57,9 +57,11 @@ line_prefix = '\n-> ' # Probably a better default class Pdb(bdb.Bdb, cmd.Cmd): - def __init__(self): + def __init__(self, completekey='tab', stdin=None, stdout=None): bdb.Bdb.__init__(self) - cmd.Cmd.__init__(self) + cmd.Cmd.__init__(self, completekey, stdin, stdout) + if stdout: + self.use_rawinput = 0 self.prompt = '(Pdb) ' self.aliases = {} self.mainpyfile = '' @@ -133,7 +135,7 @@ class Pdb(bdb.Bdb, cmd.Cmd): if self._wait_for_mainpyfile: return if self.stop_here(frame): - print '--Call--' + print >>self.stdout, '--Call--' self.interaction(frame, None) def user_line(self, frame): @@ -169,7 +171,7 @@ class Pdb(bdb.Bdb, cmd.Cmd): 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--' + print >>self.stdout, '--Return--' self.interaction(frame, None) def user_exception(self, frame, (exc_type, exc_value, exc_traceback)): @@ -179,7 +181,7 @@ class Pdb(bdb.Bdb, cmd.Cmd): if type(exc_type) == type(''): exc_type_name = exc_type else: exc_type_name = exc_type.__name__ - print exc_type_name + ':', _saferepr(exc_value) + print >>self.stdout, exc_type_name + ':', _saferepr(exc_value) self.interaction(frame, exc_traceback) # General interaction function @@ -202,7 +204,7 @@ class Pdb(bdb.Bdb, cmd.Cmd): if type(t) == type(''): exc_type_name = t else: exc_type_name = t.__name__ - print '***', exc_type_name + ':', v + print >>self.stdout, '***', exc_type_name + ':', v def precmd(self, line): """Handle alias expansion and ';;' separator.""" @@ -280,7 +282,7 @@ class Pdb(bdb.Bdb, cmd.Cmd): try: bnum = int(arg) except: - print "Usage : commands [bnum]\n ...\n end" + print >>self.stdout, "Usage : commands [bnum]\n ...\n end" return self.commands_bnum = bnum self.commands[bnum] = [] @@ -297,10 +299,10 @@ class Pdb(bdb.Bdb, cmd.Cmd): # break [ ([filename:]lineno | function) [, "condition"] ] if not arg: if self.breaks: # There's at least one - print "Num Type Disp Enb Where" + print >>self.stdout, "Num Type Disp Enb Where" for bp in bdb.Breakpoint.bpbynumber: if bp: - bp.bpprint() + bp.bpprint(self.stdout) return # parse arguments; comma has lowest precedence # and cannot occur in filename @@ -319,8 +321,8 @@ class Pdb(bdb.Bdb, cmd.Cmd): filename = arg[:colon].rstrip() f = self.lookupmodule(filename) if not f: - print '*** ', repr(filename), - print 'not found from sys.path' + print >>self.stdout, '*** ', repr(filename), + print >>self.stdout, 'not found from sys.path' return else: filename = f @@ -328,7 +330,7 @@ class Pdb(bdb.Bdb, cmd.Cmd): try: lineno = int(arg) except ValueError, msg: - print '*** Bad lineno:', arg + print >>self.stdout, '*** Bad lineno:', arg return else: # no colon; can be lineno or function @@ -354,11 +356,10 @@ class Pdb(bdb.Bdb, cmd.Cmd): # last thing to try (ok, filename, ln) = self.lineinfo(arg) if not ok: - print '*** The specified object', - print repr(arg), - print 'is not a function' - print ('or was not found ' - 'along sys.path.') + 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.' return funcname = ok # ok contains a function name lineno = int(ln) @@ -369,12 +370,12 @@ class Pdb(bdb.Bdb, cmd.Cmd): if line: # now set the break point err = self.set_break(filename, line, temporary, cond, funcname) - if err: print '***', err + if err: print >>self.stdout, '***', err else: bp = self.get_breaks(filename, line)[-1] - print "Breakpoint %d at %s:%d" % (bp.number, - bp.file, - bp.line) + print >>self.stdout, "Breakpoint %d at %s:%d" % (bp.number, + bp.file, + bp.line) # To be overridden in derived debuggers def defaultFile(self): @@ -430,13 +431,13 @@ class Pdb(bdb.Bdb, cmd.Cmd): """ line = linecache.getline(filename, lineno) if not line: - print 'End of file' + print >>self.stdout, 'End of file' return 0 line = line.strip() # Don't allow setting breakpoint at a blank line if (not line or (line[0] == '#') or (line[:3] == '"""') or line[:3] == "'''"): - print '*** Blank or comment' + print >>self.stdout, '*** Blank or comment' return 0 return lineno @@ -446,11 +447,11 @@ class Pdb(bdb.Bdb, cmd.Cmd): try: i = int(i) except ValueError: - print 'Breakpoint index %r is not a number' % i + print >>self.stdout, 'Breakpoint index %r is not a number' % i continue if not (0 <= i < len(bdb.Breakpoint.bpbynumber)): - print 'No breakpoint numbered', i + print >>self.stdout, 'No breakpoint numbered', i continue bp = bdb.Breakpoint.bpbynumber[i] @@ -463,11 +464,11 @@ class Pdb(bdb.Bdb, cmd.Cmd): try: i = int(i) except ValueError: - print 'Breakpoint index %r is not a number' % i + print >>self.stdout, 'Breakpoint index %r is not a number' % i continue if not (0 <= i < len(bdb.Breakpoint.bpbynumber)): - print 'No breakpoint numbered', i + print >>self.stdout, 'No breakpoint numbered', i continue bp = bdb.Breakpoint.bpbynumber[i] @@ -486,8 +487,8 @@ class Pdb(bdb.Bdb, cmd.Cmd): if bp: bp.cond = cond if not cond: - print 'Breakpoint', bpnum, - print 'is now unconditional.' + print >>self.stdout, 'Breakpoint', bpnum, + print >>self.stdout, 'is now unconditional.' def do_ignore(self,arg): """arg is bp number followed by ignore count.""" @@ -506,10 +507,10 @@ class Pdb(bdb.Bdb, cmd.Cmd): reply = reply + '%d crossings' % count else: reply = reply + '1 crossing' - print reply + ' of breakpoint %d.' % bpnum + print >>self.stdout, reply + ' of breakpoint %d.' % bpnum else: - print 'Will stop next time breakpoint', - print bpnum, 'is reached.' + print >>self.stdout, 'Will stop next time breakpoint', + print >>self.stdout, bpnum, 'is reached.' def do_clear(self, arg): """Three possibilities, tried in this order: @@ -532,22 +533,28 @@ class Pdb(bdb.Bdb, cmd.Cmd): arg = arg[i+1:] try: lineno = int(arg) - except: + except ValueError: err = "Invalid line number (%s)" % arg else: err = self.clear_break(filename, lineno) - if err: print '***', err + if err: print >>self.stdout, '***', err return numberlist = arg.split() for i in numberlist: + try: + i = int(i) + except ValueError: + print >>self.stdout, 'Breakpoint index %r is not a number' % i + continue + if not (0 <= i < len(bdb.Breakpoint.bpbynumber)): - print 'No breakpoint numbered', i + print >>self.stdout, 'No breakpoint numbered', i continue err = self.clear_bpbynumber(i) if err: - print '***', err + print >>self.stdout, '***', err else: - print 'Deleted breakpoint', i + print >>self.stdout, 'Deleted breakpoint', i do_cl = do_clear # 'c' is already an abbreviation for 'continue' def do_where(self, arg): @@ -557,7 +564,7 @@ class Pdb(bdb.Bdb, cmd.Cmd): def do_up(self, arg): if self.curindex == 0: - print '*** Oldest frame' + print >>self.stdout, '*** Oldest frame' else: self.curindex = self.curindex - 1 self.curframe = self.stack[self.curindex][0] @@ -567,7 +574,7 @@ class Pdb(bdb.Bdb, cmd.Cmd): def do_down(self, arg): if self.curindex + 1 == len(self.stack): - print '*** Newest frame' + print >>self.stdout, '*** Newest frame' else: self.curindex = self.curindex + 1 self.curframe = self.stack[self.curindex][0] @@ -597,12 +604,12 @@ class Pdb(bdb.Bdb, cmd.Cmd): def do_jump(self, arg): if self.curindex + 1 != len(self.stack): - print "*** You can only jump within the bottom frame" + print >>self.stdout, "*** You can only jump within the bottom frame" return try: arg = int(arg) except ValueError: - print "*** The 'jump' command requires a line number." + print >>self.stdout, "*** The 'jump' command requires a line number." else: try: # Do the jump, fix up our copy of the stack, and display the @@ -611,7 +618,7 @@ class Pdb(bdb.Bdb, cmd.Cmd): self.stack[self.curindex] = self.stack[self.curindex][0], arg self.print_stack_entry(self.stack[self.curindex]) except ValueError, e: - print '*** Jump failed:', e + print >>self.stdout, '*** Jump failed:', e do_j = do_jump def do_debug(self, arg): @@ -620,9 +627,9 @@ class Pdb(bdb.Bdb, cmd.Cmd): locals = self.curframe.f_locals p = Pdb() p.prompt = "(%s) " % self.prompt.strip() - print "ENTERING RECURSIVE DEBUGGER" + print >>self.stdout, "ENTERING RECURSIVE DEBUGGER" sys.call_tracing(p.run, (arg, globals, locals)) - print "LEAVING RECURSIVE DEBUGGER" + print >>self.stdout, "LEAVING RECURSIVE DEBUGGER" sys.settrace(self.trace_dispatch) self.lastcmd = p.lastcmd @@ -635,7 +642,7 @@ class Pdb(bdb.Bdb, cmd.Cmd): do_exit = do_quit def do_EOF(self, arg): - print + print >>self.stdout self._user_requested_quit = 1 self.set_quit() return 1 @@ -649,16 +656,16 @@ class Pdb(bdb.Bdb, cmd.Cmd): if co.co_flags & 8: n = n+1 for i in range(n): name = co.co_varnames[i] - print name, '=', - if name in dict: print dict[name] - else: print "*** undefined ***" + print >>self.stdout, name, '=', + if name in dict: print >>self.stdout, dict[name] + else: print >>self.stdout, "*** undefined ***" do_a = do_args def do_retval(self, arg): if '__return__' in self.curframe.f_locals: - print self.curframe.f_locals['__return__'] + print >>self.stdout, self.curframe.f_locals['__return__'] else: - print '*** Not yet returned!' + print >>self.stdout, '*** Not yet returned!' do_rv = do_retval def _getval(self, arg): @@ -670,18 +677,18 @@ class Pdb(bdb.Bdb, cmd.Cmd): if isinstance(t, str): exc_type_name = t else: exc_type_name = t.__name__ - print '***', exc_type_name + ':', repr(v) + print >>self.stdout, '***', exc_type_name + ':', repr(v) raise def do_p(self, arg): try: - print repr(self._getval(arg)) + print >>self.stdout, repr(self._getval(arg)) except: pass def do_pp(self, arg): try: - pprint.pprint(self._getval(arg)) + pprint.pprint(self._getval(arg), self.stdout) except: pass @@ -701,7 +708,7 @@ class Pdb(bdb.Bdb, cmd.Cmd): else: first = max(1, int(x) - 5) except: - print '*** Error in argument:', repr(arg) + print >>self.stdout, '*** Error in argument:', repr(arg) return elif self.lineno is None: first = max(1, self.curframe.f_lineno - 5) @@ -715,7 +722,7 @@ class Pdb(bdb.Bdb, cmd.Cmd): for lineno in range(first, last+1): line = linecache.getline(filename, lineno) if not line: - print '[EOF]' + print >>self.stdout, '[EOF]' break else: s = repr(lineno).rjust(3) @@ -724,7 +731,7 @@ class Pdb(bdb.Bdb, cmd.Cmd): else: s = s + ' ' if lineno == self.curframe.f_lineno: s = s + '->' - print s + '\t' + line, + print >>self.stdout, s + '\t' + line, self.lineno = lineno except KeyboardInterrupt: pass @@ -739,23 +746,23 @@ class Pdb(bdb.Bdb, cmd.Cmd): if type(t) == type(''): exc_type_name = t else: exc_type_name = t.__name__ - print '***', exc_type_name + ':', repr(v) + print >>self.stdout, '***', exc_type_name + ':', repr(v) return code = None # Is it a function? try: code = value.func_code except: pass if code: - print 'Function', code.co_name + print >>self.stdout, '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 + print >>self.stdout, 'Method', code.co_name return # None of the above... - print type(value) + print >>self.stdout, type(value) def do_alias(self, arg): args = arg.split() @@ -763,10 +770,10 @@ class Pdb(bdb.Bdb, cmd.Cmd): keys = self.aliases.keys() keys.sort() for alias in keys: - print "%s = %s" % (alias, self.aliases[alias]) + print >>self.stdout, "%s = %s" % (alias, self.aliases[alias]) return if args[0] in self.aliases and len(args) == 1: - print "%s = %s" % (args[0], self.aliases[args[0]]) + print >>self.stdout, "%s = %s" % (args[0], self.aliases[args[0]]) else: self.aliases[args[0]] = ' '.join(args[1:]) @@ -777,7 +784,8 @@ class Pdb(bdb.Bdb, cmd.Cmd): del self.aliases[args[0]] #list of all the commands making the program resume execution. - commands_resuming = ['do_continue', 'do_step', 'do_next', 'do_return', 'do_quit', 'do_jump'] + commands_resuming = ['do_continue', 'do_step', 'do_next', 'do_return', + 'do_quit', 'do_jump'] # Print a traceback starting at the top stack frame. # The most recently entered frame is printed last; @@ -797,10 +805,11 @@ class Pdb(bdb.Bdb, cmd.Cmd): def print_stack_entry(self, frame_lineno, prompt_prefix=line_prefix): frame, lineno = frame_lineno if frame is self.curframe: - print '>', + print >>self.stdout, '>', else: - print ' ', - print self.format_stack_entry(frame_lineno, prompt_prefix) + print >>self.stdout, ' ', + print >>self.stdout, self.format_stack_entry(frame_lineno, + prompt_prefix) # Help methods (derived from pdb.doc) @@ -809,7 +818,7 @@ class Pdb(bdb.Bdb, cmd.Cmd): self.help_h() def help_h(self): - print """h(elp) + print >>self.stdout, """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 @@ -819,7 +828,7 @@ With a command name as argument, print help about that command self.help_w() def help_w(self): - print """w(here) + print >>self.stdout, """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. 'bt' is an alias for this command.""" @@ -830,7 +839,7 @@ context of most commands. 'bt' is an alias for this command.""" self.help_d() def help_d(self): - print """d(own) + print >>self.stdout, """d(own) Move the current frame one level down in the stack trace (to a newer frame).""" @@ -838,7 +847,7 @@ Move the current frame one level down in the stack trace self.help_u() def help_u(self): - print """u(p) + print >>self.stdout, """u(p) Move the current frame one level up in the stack trace (to an older frame).""" @@ -846,7 +855,7 @@ Move the current frame one level up in the stack trace self.help_b() def help_b(self): - print """b(reak) ([file:]lineno | function) [, condition] + print >>self.stdout, """b(reak) ([file:]lineno | function) [, condition] 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 @@ -862,8 +871,8 @@ the .py suffix may be omitted.""" self.help_cl() def help_cl(self): - print "cl(ear) filename:lineno" - print """cl(ear) [bpnumber [bpnumber...]] + print >>self.stdout, "cl(ear) filename:lineno" + print >>self.stdout, """cl(ear) [bpnumber [bpnumber...]] 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, @@ -875,21 +884,21 @@ a linenumber was used instead of either filename:lineno or breakpoint numbers.""" def help_tbreak(self): - print """tbreak same arguments as break, but breakpoint is + print >>self.stdout, """tbreak same arguments as break, but breakpoint is removed when first hit.""" def help_enable(self): - print """enable bpnumber [bpnumber ...] + print >>self.stdout, """enable bpnumber [bpnumber ...] Enables the breakpoints given as a space separated list of bp numbers.""" def help_disable(self): - print """disable bpnumber [bpnumber ...] + print >>self.stdout, """disable bpnumber [bpnumber ...] Disables the breakpoints given as a space separated list of bp numbers.""" def help_ignore(self): - print """ignore bpnumber count + print >>self.stdout, """ignore bpnumber count 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 @@ -897,7 +906,7 @@ breakpoint is not disabled and any associated condition evaluates to true.""" def help_condition(self): - print """condition bpnumber str_condition + print >>self.stdout, """condition bpnumber str_condition 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; @@ -907,7 +916,7 @@ i.e., the breakpoint is made unconditional.""" self.help_s() def help_s(self): - print """s(tep) + print >>self.stdout, """s(tep) Execute the current line, stop at the first possible occasion (either in a function that is called or in the current function).""" @@ -915,7 +924,7 @@ Execute the current line, stop at the first possible occasion self.help_n() def help_n(self): - print """n(ext) + print >>self.stdout, """n(ext) Continue execution until the next line in the current function is reached or it returns.""" @@ -923,7 +932,7 @@ is reached or it returns.""" self.help_r() def help_r(self): - print """r(eturn) + print >>self.stdout, """r(eturn) Continue execution until the current function returns.""" def help_continue(self): @@ -933,18 +942,18 @@ Continue execution until the current function returns.""" self.help_c() def help_c(self): - print """c(ont(inue)) + print >>self.stdout, """c(ont(inue)) Continue execution, only stop when a breakpoint is encountered.""" def help_jump(self): self.help_j() def help_j(self): - print """j(ump) lineno + print >>self.stdout, """j(ump) lineno Set the next line that will be executed.""" def help_debug(self): - print """debug code + print >>self.stdout, """debug code Enter a recursive debugger that steps through the code argument (which is an arbitrary expression or statement to be executed in the current environment).""" @@ -953,7 +962,7 @@ in the current environment).""" self.help_l() def help_l(self): - print """l(ist) [first [,last]] + print >>self.stdout, """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. @@ -965,19 +974,19 @@ if the second argument is less than the first, it is a count.""" self.help_a() def help_a(self): - print """a(rgs) + print >>self.stdout, """a(rgs) Print the arguments of the current function.""" def help_p(self): - print """p expression + print >>self.stdout, """p expression Print the value of the expression.""" def help_pp(self): - print """pp expression + print >>self.stdout, """pp expression Pretty-print the value of the expression.""" def help_exec(self): - print """(!) statement + print >>self.stdout, """(!) statement Execute the (one-line) statement in the context of the current stack frame. The exclamation point can be omitted unless the first word @@ -991,21 +1000,21 @@ command with a 'global' command, e.g.: self.help_q() def help_q(self): - print """q(uit) or exit - Quit from the debugger. + print >>self.stdout, """q(uit) or exit - Quit from the debugger. The program being executed is aborted.""" help_exit = help_q def help_whatis(self): - print """whatis arg + print >>self.stdout, """whatis arg Prints the type of the argument.""" def help_EOF(self): - print """EOF + print >>self.stdout, """EOF Handles the receipt of EOF as a command.""" def help_alias(self): - print """alias [name [command [parameter parameter ...] ]] + print >>self.stdout, """alias [name [command [parameter parameter ...] ]] 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 @@ -1029,11 +1038,11 @@ alias ps pi self """ def help_unalias(self): - print """unalias name + print >>self.stdout, """unalias name Deletes the specified alias.""" def help_commands(self): - print """commands [bpnumber] + print >>self.stdout, """commands [bpnumber] (com) ... (com) end (Pdb) |