diff options
Diffstat (limited to 'Lib/lib-old/tb.py')
| -rw-r--r-- | Lib/lib-old/tb.py | 286 |
1 files changed, 143 insertions, 143 deletions
diff --git a/Lib/lib-old/tb.py b/Lib/lib-old/tb.py index 57851aa..9063559 100644 --- a/Lib/lib-old/tb.py +++ b/Lib/lib-old/tb.py @@ -12,166 +12,166 @@ def br(): browser(sys.last_traceback) def tb(): printtb(sys.last_traceback) def browser(tb): - if not tb: - print 'No traceback.' - return - tblist = [] - while tb: - tblist.append(tb) - tb = tb.tb_next - ptr = len(tblist)-1 - tb = tblist[ptr] - while 1: - if tb != tblist[ptr]: - tb = tblist[ptr] - print `ptr` + ':', - printtbheader(tb) - try: - line = raw_input('TB: ') - except KeyboardInterrupt: - print '\n[Interrupted]' - break - except EOFError: - print '\n[EOF]' - break - cmd = line.strip() - if cmd: - if cmd == 'quit': - break - elif cmd == 'list': - browserlist(tb) - elif cmd == 'up': - if ptr-1 >= 0: ptr = ptr-1 - else: print 'Bottom of stack.' - elif cmd == 'down': - if ptr+1 < len(tblist): ptr = ptr+1 - else: print 'Top of stack.' - elif cmd == 'locals': - printsymbols(tb.tb_frame.f_locals) - elif cmd == 'globals': - printsymbols(tb.tb_frame.f_globals) - elif cmd in ('?', 'help'): - browserhelp() - else: - browserexec(tb, cmd) + if not tb: + print 'No traceback.' + return + tblist = [] + while tb: + tblist.append(tb) + tb = tb.tb_next + ptr = len(tblist)-1 + tb = tblist[ptr] + while 1: + if tb != tblist[ptr]: + tb = tblist[ptr] + print `ptr` + ':', + printtbheader(tb) + try: + line = raw_input('TB: ') + except KeyboardInterrupt: + print '\n[Interrupted]' + break + except EOFError: + print '\n[EOF]' + break + cmd = line.strip() + if cmd: + if cmd == 'quit': + break + elif cmd == 'list': + browserlist(tb) + elif cmd == 'up': + if ptr-1 >= 0: ptr = ptr-1 + else: print 'Bottom of stack.' + elif cmd == 'down': + if ptr+1 < len(tblist): ptr = ptr+1 + else: print 'Top of stack.' + elif cmd == 'locals': + printsymbols(tb.tb_frame.f_locals) + elif cmd == 'globals': + printsymbols(tb.tb_frame.f_globals) + elif cmd in ('?', 'help'): + browserhelp() + else: + browserexec(tb, cmd) def browserlist(tb): - filename = tb.tb_frame.f_code.co_filename - lineno = tb.tb_lineno - last = lineno - first = max(1, last-10) - for i in range(first, last+1): - if i == lineno: prefix = '***' + `i`.rjust(4) + ':' - else: prefix = `i`.rjust(7) + ':' - line = linecache.getline(filename, i) - if line[-1:] == '\n': line = line[:-1] - print prefix + line + filename = tb.tb_frame.f_code.co_filename + lineno = tb.tb_lineno + last = lineno + first = max(1, last-10) + for i in range(first, last+1): + if i == lineno: prefix = '***' + `i`.rjust(4) + ':' + else: prefix = `i`.rjust(7) + ':' + line = linecache.getline(filename, i) + if line[-1:] == '\n': line = line[:-1] + print prefix + line def browserexec(tb, cmd): - locals = tb.tb_frame.f_locals - globals = tb.tb_frame.f_globals - try: - exec cmd+'\n' in globals, locals - except: - t, v = sys.exc_info()[:2] - print '*** Exception:', - if type(t) is type(''): - print t, - else: - print t.__name__, - if v is not None: - print ':', v, - print - print 'Type help to get help.' + locals = tb.tb_frame.f_locals + globals = tb.tb_frame.f_globals + try: + exec cmd+'\n' in globals, locals + except: + t, v = sys.exc_info()[:2] + print '*** Exception:', + if type(t) is type(''): + print t, + else: + print t.__name__, + if v is not None: + print ':', v, + print + print 'Type help to get help.' def browserhelp(): - print - print ' This is the traceback browser. Commands are:' - print ' up : move one level up in the call stack' - print ' down : move one level down in the call stack' - print ' locals : print all local variables at this level' - print ' globals : print all global variables at this level' - print ' list : list source code around the failure' - print ' help : print help (what you are reading now)' - print ' quit : back to command interpreter' - print ' Typing any other 1-line statement will execute it' - print ' using the current level\'s symbol tables' - print + print + print ' This is the traceback browser. Commands are:' + print ' up : move one level up in the call stack' + print ' down : move one level down in the call stack' + print ' locals : print all local variables at this level' + print ' globals : print all global variables at this level' + print ' list : list source code around the failure' + print ' help : print help (what you are reading now)' + print ' quit : back to command interpreter' + print ' Typing any other 1-line statement will execute it' + print ' using the current level\'s symbol tables' + print def printtb(tb): - while tb: - print1tb(tb) - tb = tb.tb_next + while tb: + print1tb(tb) + tb = tb.tb_next def print1tb(tb): - printtbheader(tb) - if tb.tb_frame.f_locals is not tb.tb_frame.f_globals: - printsymbols(tb.tb_frame.f_locals) + printtbheader(tb) + if tb.tb_frame.f_locals is not tb.tb_frame.f_globals: + printsymbols(tb.tb_frame.f_locals) def printtbheader(tb): - filename = tb.tb_frame.f_code.co_filename - lineno = tb.tb_lineno - info = '"' + filename + '"(' + `lineno` + ')' - line = linecache.getline(filename, lineno) - if line: - info = info + ': ' + line.strip() - print info + filename = tb.tb_frame.f_code.co_filename + lineno = tb.tb_lineno + info = '"' + filename + '"(' + `lineno` + ')' + line = linecache.getline(filename, lineno) + if line: + info = info + ': ' + line.strip() + print info def printsymbols(d): - keys = d.keys() - keys.sort() - for name in keys: - print ' ' + name.ljust(12) + ':', - printobject(d[name], 4) - print + keys = d.keys() + keys.sort() + for name in keys: + print ' ' + name.ljust(12) + ':', + printobject(d[name], 4) + print def printobject(v, maxlevel): - if v is None: - print 'None', - elif type(v) in (type(0), type(0.0)): - print v, - elif type(v) is type(''): - if len(v) > 20: - print `v[:17] + '...'`, - else: - print `v`, - elif type(v) is type(()): - print '(', - printlist(v, maxlevel) - print ')', - elif type(v) is type([]): - print '[', - printlist(v, maxlevel) - print ']', - elif type(v) is type({}): - print '{', - printdict(v, maxlevel) - print '}', - else: - print v, + if v is None: + print 'None', + elif type(v) in (type(0), type(0.0)): + print v, + elif type(v) is type(''): + if len(v) > 20: + print `v[:17] + '...'`, + else: + print `v`, + elif type(v) is type(()): + print '(', + printlist(v, maxlevel) + print ')', + elif type(v) is type([]): + print '[', + printlist(v, maxlevel) + print ']', + elif type(v) is type({}): + print '{', + printdict(v, maxlevel) + print '}', + else: + print v, def printlist(v, maxlevel): - n = len(v) - if n == 0: return - if maxlevel <= 0: - print '...', - return - for i in range(min(6, n)): - printobject(v[i], maxlevel-1) - if i+1 < n: print ',', - if n > 6: print '...', + n = len(v) + if n == 0: return + if maxlevel <= 0: + print '...', + return + for i in range(min(6, n)): + printobject(v[i], maxlevel-1) + if i+1 < n: print ',', + if n > 6: print '...', def printdict(v, maxlevel): - keys = v.keys() - n = len(keys) - if n == 0: return - if maxlevel <= 0: - print '...', - return - keys.sort() - for i in range(min(6, n)): - key = keys[i] - print `key` + ':', - printobject(v[key], maxlevel-1) - if i+1 < n: print ',', - if n > 6: print '...', + keys = v.keys() + n = len(keys) + if n == 0: return + if maxlevel <= 0: + print '...', + return + keys.sort() + for i in range(min(6, n)): + key = keys[i] + print `key` + ':', + printobject(v[key], maxlevel-1) + if i+1 < n: print ',', + if n > 6: print '...', |