Format the exception part of a traceback. The arguments are the exception type and value such as given by sys.exc_info()[:2]. The return value is a list of strings, each ending in a newline. Normally, the list contains a single string; however, for SyntaxError excep
(
self, etype: type[BaseException], value: BaseException | None
)
| 288 | return output_list |
| 289 | |
| 290 | def _format_exception_only( |
| 291 | self, etype: type[BaseException], value: BaseException | None |
| 292 | ) -> list[str]: |
| 293 | """Format the exception part of a traceback. |
| 294 | |
| 295 | The arguments are the exception type and value such as given by |
| 296 | sys.exc_info()[:2]. The return value is a list of strings, each ending |
| 297 | in a newline. Normally, the list contains a single string; however, |
| 298 | for SyntaxError exceptions, it contains several lines that (when |
| 299 | printed) display detailed information about where the syntax error |
| 300 | occurred. The message indicating which exception occurred is the |
| 301 | always last string in the list. |
| 302 | |
| 303 | Also lifted nearly verbatim from traceback.py |
| 304 | """ |
| 305 | have_filedata = False |
| 306 | output_list = [] |
| 307 | stype_tokens = [(Token.ExcName, etype.__name__)] |
| 308 | stype: str = theme_table[self._theme_name].format(stype_tokens) |
| 309 | if value is None: |
| 310 | # Not sure if this can still happen in Python 2.6 and above |
| 311 | output_list.append(stype + "\n") |
| 312 | else: |
| 313 | if issubclass(etype, SyntaxError): |
| 314 | assert hasattr(value, "filename") |
| 315 | assert hasattr(value, "lineno") |
| 316 | assert hasattr(value, "text") |
| 317 | assert hasattr(value, "offset") |
| 318 | assert hasattr(value, "msg") |
| 319 | have_filedata = True |
| 320 | if not value.filename: |
| 321 | value.filename = "<string>" |
| 322 | if value.lineno: |
| 323 | lineno = value.lineno |
| 324 | textline = linecache.getline(value.filename, value.lineno) |
| 325 | else: |
| 326 | lineno = "unknown" |
| 327 | textline = "" |
| 328 | output_list.append( |
| 329 | theme_table[self._theme_name].format( |
| 330 | [(Token, " ")] |
| 331 | + _tokens_filename( |
| 332 | True, |
| 333 | value.filename, |
| 334 | lineno=(None if lineno == "unknown" else lineno), |
| 335 | ) |
| 336 | + [(Token, "\n")] |
| 337 | ) |
| 338 | ) |
| 339 | if textline == "": |
| 340 | # sep 2025: |
| 341 | # textline = py3compat.cast_unicode(value.text, "utf-8") |
| 342 | if value.text is None: |
| 343 | textline = "" |
| 344 | else: |
| 345 | assert isinstance(value.text, str) |
| 346 | textline = value.text |
| 347 |
no test coverage detected