Print usage string to stderr and abort.
(self, msg="")
| 150 | return ''.join(out).rstrip() + '\n' |
| 151 | |
| 152 | def usage(self, msg=""): |
| 153 | """Print usage string to stderr and abort.""" |
| 154 | sys.stderr.write(self._usagestr) |
| 155 | e = self._onabort and self._onabort(msg) or None |
| 156 | if e: |
| 157 | raise e |
| 158 | |
| 159 | def fatal(self, s): |
| 160 | """Print an error message to stderr and abort with usage string.""" |