Returns the content length if available or `None` otherwise.
(self)
| 306 | ) |
| 307 | |
| 308 | def calculate_content_length(self) -> int | None: |
| 309 | """Returns the content length if available or `None` otherwise.""" |
| 310 | try: |
| 311 | self._ensure_sequence() |
| 312 | except RuntimeError: |
| 313 | return None |
| 314 | return sum(len(x) for x in self.iter_encoded()) |
| 315 | |
| 316 | def _ensure_sequence(self, mutable: bool = False) -> None: |
| 317 | """This method can be called by methods that need a sequence. If |