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| -rw-r--r-- | Lib/traceback.py | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/Lib/traceback.py b/Lib/traceback.py new file mode 100644 index 0000000..c78d9ad --- /dev/null +++ b/Lib/traceback.py @@ -0,0 +1,57 @@ +# Format and print Python stack traces + +import linecache +import string +import sys + +def print_tb(tb, limit = None): + if limit is None: + if hasattr(sys, 'tracebacklimit'): + limit = sys.tracebacklimit + n = 0 + while tb is not None and (limit is None or n < limit): + f = tb.tb_frame + lineno = tb.tb_lineno + co = f.f_code + filename = co.co_filename + name = co.co_name + print ' File "%s", line %d, in %s' % (filename, lineno, name) + line = linecache.getline(filename, lineno) + if line: print ' ' + string.strip(line) + tb = tb.tb_next + n = n+1 + +def extract_tb(tb, limit = None): + if limit is None: + if hasattr(sys, 'tracebacklimit'): + limit = sys.tracebacklimit + list = [] + n = 0 + while tb is not None and (limit is None or n < limit): + f = tb.tb_frame + lineno = tb.tb_lineno + co = f.f_code + filename = co.co_filename + name = co.co_name + line = linecache.getline(filename, lineno) + if line: line = string.strip(line) + else: line = None + list.append(filename, lineno, name, line) + tb = tb.tb_next + n = n+1 + return list + +def print_exception(type, value, tb, limit = None): + print 'Traceback (innermost last):' + print_tb(tb, limit) + print type, + if value is not None: print ':', value, + print + +def print_exc(limit = None): + print_exception(sys.exc_type, sys.exc_value, sys.exc_traceback, + limit) + +def print_last(limit = None): + print_exception(sys.last_type, sys.last_value, sys.last_traceback, + limit) |