def format_exception_only(self):
"""Format the exception part of the traceback.
The return value is a generator of strings, each ending in a newline.
Normally, the generator emits a single string; however, for
SyntaxError exceptions, it emites several lines that (when
printed) display detailed information about where the syntax
error occurred.
The message indicating which exception occurred is always the last
string in the output.
"""
if self.exc_type is None:
yield _format_final_exc_line(None, self._str)
return
stype = getattr(self.exc_type, '__qualname__', self.exc_type.__name__)
smod = u(self.exc_type.__module__)
if smod not in ("__main__", "builtins", "exceptions"):
stype = smod + u('.') + stype
if not issubclass(self.exc_type, SyntaxError):
yield _format_final_exc_line(stype, self._str)
return
# It was a syntax error; show exactly where the problem was found.
filename = _some_fs_str(self.filename) or u("<string>")
lineno = str(self.lineno) or u('?')
yield u(' File "{0}", line {1}\n').format(filename, lineno)
badline = None
if self.text is not None:
if type(self.text) is bytes:
# Not decoded - get the line via linecache which will decode
# for us.
if self.lineno:
badline = linecache.getline(filename, int(lineno))
if not badline:
# But we can't for some reason, so fallback to attempting a
# u cast.
badline = u(self.text)
else:
badline = self.text
offset = self.offset
if badline is not None:
yield u(' {0}\n').format(badline.strip())
if offset is not None:
caretspace = badline.rstrip('\n')
offset = min(len(caretspace), offset) - 1
caretspace = caretspace[:offset].lstrip()
# non-space whitespace (likes tabs) must be kept for alignment
caretspace = ((c.isspace() and c or ' ') for c in caretspace)
yield u(' {0}^\n').format(''.join(caretspace))
msg = self.msg or u("<no detail available>")
yield u("{0}: {1}\n").format(stype, msg)
def format_exception_only(self):
"""Format the exception part of the traceback.
The return value is a generator of strings, each ending in a newline.
Normally, the generator emits a single string; however, for
SyntaxError exceptions, it emites several lines that (when
printed) display detailed information about where the syntax
error occurred.
The message indicating which exception occurred is always the last
string in the output.
"""
if self.exc_type is None:
yield _format_final_exc_line(None, self._str)
return
stype = getattr(self.exc_type, '__qualname__', self.exc_type.__name__)
smod = u(self.exc_type.__module__)
if smod not in ("__main__", "builtins", "exceptions"):
stype = smod + u('.') + stype
if not issubclass(self.exc_type, SyntaxError):
yield _format_final_exc_line(stype, self._str)
return
# It was a syntax error; show exactly where the problem was found.
filename = _some_fs_str(self.filename) or u("<string>")
lineno = str(self.lineno) or u('?')
yield u(' File "{0}", line {1}\n').format(filename, lineno)
badline = None
if self.text is not None:
if type(self.text) is bytes:
# Not decoded - get the line via linecache which will decode
# for us.
if self.lineno:
badline = linecache.getline(filename, int(lineno))
if not badline:
# But we can't for some reason, so fallback to attempting a
# u cast.
badline = u(self.text)
else:
badline = self.text
offset = self.offset
if badline is not None:
yield u(' {0}\n').format(badline.strip())
if offset is not None:
caretspace = badline.rstrip('\n')
offset = min(len(caretspace), offset) - 1
caretspace = caretspace[:offset].lstrip()
# non-space whitespace (likes tabs) must be kept for alignment
caretspace = ((c.isspace() and c or ' ') for c in caretspace)
yield u(' {0}^\n').format(''.join(caretspace))
msg = self.msg or u("<no detail available>")
yield u("{0}: {1}\n").format(stype, msg)
def line(self):
if self._line is None:
self._line = linecache.getline(self.filename, self.lineno).strip()
return self._line
def line(self):
if self._line is None:
self._line = linecache.getline(self.filename, self.lineno).strip()
return self._line