diff options
Diffstat (limited to 'Lib/lib-old/tb.py')
| -rw-r--r-- | Lib/lib-old/tb.py | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/Lib/lib-old/tb.py b/Lib/lib-old/tb.py deleted file mode 100644 index 9063559..0000000 --- a/Lib/lib-old/tb.py +++ /dev/null @@ -1,177 +0,0 @@ -# Print tracebacks, with a dump of local variables. -# Also an interactive stack trace browser. -# Note -- this module is obsolete -- use pdb.pm() instead. - -import sys -import os -from stat import * -import linecache - -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) - -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 - -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.' - -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 - -def printtb(tb): - 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) - -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 - -def printsymbols(d): - 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, - -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 '...', - -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 '...', |