(self, name, value, sanitize)
| 338 | return folded.encode('ascii', 'surrogateescape') |
| 339 | |
| 340 | def _fold(self, name, value, sanitize): |
| 341 | parts = [] |
| 342 | parts.append('%s: ' % name) |
| 343 | if isinstance(value, str): |
| 344 | if _has_surrogates(value): |
| 345 | if sanitize: |
| 346 | h = header.Header(value, |
| 347 | charset=_charset.UNKNOWN8BIT, |
| 348 | header_name=name) |
| 349 | else: |
| 350 | # If we have raw 8bit data in a byte string, we have no idea |
| 351 | # what the encoding is. There is no safe way to split this |
| 352 | # string. If it's ascii-subset, then we could do a normal |
| 353 | # ascii split, but if it's multibyte then we could break the |
| 354 | # string. There's no way to know so the least harm seems to |
| 355 | # be to not split the string and risk it being too long. |
| 356 | parts.append(value) |
| 357 | h = None |
| 358 | else: |
| 359 | h = header.Header(value, header_name=name) |
| 360 | else: |
| 361 | # Assume it is a Header-like object. |
| 362 | h = value |
| 363 | if h is not None: |
| 364 | # The Header class interprets a value of None for maxlinelen as the |
| 365 | # default value of 78, as recommended by RFC 2822. |
| 366 | maxlinelen = 0 |
| 367 | if self.max_line_length is not None: |
| 368 | maxlinelen = self.max_line_length |
| 369 | parts.append(h.encode(linesep=self.linesep, maxlinelen=maxlinelen)) |
| 370 | parts.append(self.linesep) |
| 371 | return ''.join(parts) |
| 372 | |
| 373 | |
| 374 | compat32 = Compat32() |
no test coverage detected