chrislit /
abydos
| Conditions | 219 |
| Total Lines | 892 |
| Code Lines | 549 |
| Lines | 0 |
| Ratio | 0 % |
| Tests | 407 |
| CRAP Score | 219 |
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
Complex classes like abydos.phonetic._metaphone.DoubleMetaphone.encode() often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
| 1 | # -*- coding: utf-8 -*- |
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| 282 | 1 | def encode(self, word, max_length=-1): |
|
| 283 | """Return the Double Metaphone code for a word. |
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| 284 | |||
| 285 | Args: |
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| 286 | word (str): The word to transform |
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| 287 | max_length (int): The maximum length of the returned Double |
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| 288 | Metaphone codes (defaults to 64, but in Philips' original |
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| 289 | implementation this was 4) |
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| 290 | |||
| 291 | Returns: |
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| 292 | tuple: The Double Metaphone value(s) |
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| 293 | |||
| 294 | Examples: |
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| 295 | >>> pe = DoubleMetaphone() |
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| 296 | >>> pe.encode('Christopher') |
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| 297 | ('KRSTFR', '') |
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| 298 | >>> pe.encode('Niall') |
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| 299 | ('NL', '') |
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| 300 | >>> pe.encode('Smith') |
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| 301 | ('SM0', 'XMT') |
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| 302 | >>> pe.encode('Schmidt') |
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| 303 | ('XMT', 'SMT') |
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| 304 | |||
| 305 | """ |
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| 306 | # Require a max_length of at least 4 |
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| 307 | 1 | if max_length != -1: |
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| 308 | 1 | max_length = max(4, max_length) |
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| 309 | else: |
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| 310 | 1 | max_length = 64 |
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| 311 | |||
| 312 | 1 | primary = '' |
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| 313 | 1 | secondary = '' |
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| 314 | |||
| 315 | 1 | def _slavo_germanic(): |
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| 316 | """Return True if the word appears to be Slavic or Germanic. |
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| 317 | |||
| 318 | Returns: |
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| 319 | bool: True if the word appears to be Slavic or Germanic |
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| 320 | |||
| 321 | """ |
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| 322 | 1 | if 'W' in word or 'K' in word or 'CZ' in word: |
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| 323 | 1 | return True |
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| 324 | 1 | return False |
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| 325 | |||
| 326 | 1 | def _metaph_add(pri, sec=''): |
|
| 327 | """Return a new metaphone tuple with the supplied elements. |
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| 328 | |||
| 329 | Args: |
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| 330 | pri (str): The primary element |
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| 331 | sec (str): The secondary element |
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| 332 | |||
| 333 | Returns: |
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| 334 | tuple: A new metaphone tuple with the supplied elements |
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| 335 | |||
| 336 | """ |
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| 337 | 1 | newpri = primary |
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| 338 | 1 | newsec = secondary |
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| 339 | 1 | if pri: |
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| 340 | 1 | newpri += pri |
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| 341 | 1 | if sec: |
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| 342 | 1 | if sec != ' ': |
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| 343 | 1 | newsec += sec |
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| 344 | else: |
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| 345 | 1 | newsec += pri |
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| 346 | 1 | return newpri, newsec |
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| 347 | |||
| 348 | 1 | def _is_vowel(pos): |
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| 349 | """Return True if the character at word[pos] is a vowel. |
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| 350 | |||
| 351 | Args: |
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| 352 | pos (int): Position in the word |
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| 353 | |||
| 354 | Returns: |
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| 355 | bool: True if the character is a vowel |
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| 356 | |||
| 357 | """ |
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| 358 | 1 | if pos >= 0 and word[pos] in {'A', 'E', 'I', 'O', 'U', 'Y'}: |
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| 359 | 1 | return True |
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| 360 | 1 | return False |
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| 361 | |||
| 362 | 1 | def _get_at(pos): |
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| 363 | """Return the character at word[pos]. |
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| 364 | |||
| 365 | Args: |
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| 366 | pos (int): Position in the word |
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| 367 | |||
| 368 | Returns: |
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| 369 | str: Character at word[pos] |
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| 370 | |||
| 371 | """ |
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| 372 | 1 | return word[pos] |
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| 373 | |||
| 374 | 1 | def _string_at(pos, slen, substrings): |
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| 375 | """Return True if word[pos:pos+slen] is in substrings. |
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| 376 | |||
| 377 | Args: |
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| 378 | pos (int): Position in the word |
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| 379 | slen (int): Substring length |
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| 380 | substrings (set): Substrings to search |
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| 381 | |||
| 382 | Returns: |
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| 383 | bool: True if word[pos:pos+slen] is in substrings |
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| 384 | |||
| 385 | """ |
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| 386 | 1 | if pos < 0: |
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| 387 | 1 | return False |
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| 388 | 1 | return word[pos : pos + slen] in substrings |
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| 389 | |||
| 390 | 1 | current = 0 |
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| 391 | 1 | length = len(word) |
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| 392 | 1 | if length < 1: |
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| 393 | 1 | return '', '' |
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| 394 | 1 | last = length - 1 |
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| 395 | |||
| 396 | 1 | word = word.upper() |
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| 397 | 1 | word = word.replace('ß', 'SS') |
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| 398 | |||
| 399 | # Pad the original string so that we can index beyond the edge of the |
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| 400 | # world |
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| 401 | 1 | word += ' ' |
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| 402 | |||
| 403 | # Skip these when at start of word |
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| 404 | 1 | if word[0:2] in {'GN', 'KN', 'PN', 'WR', 'PS'}: |
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| 405 | 1 | current += 1 |
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| 406 | |||
| 407 | # Initial 'X' is pronounced 'Z' e.g. 'Xavier' |
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| 408 | 1 | if _get_at(0) == 'X': |
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| 409 | 1 | primary, secondary = _metaph_add('S') # 'Z' maps to 'S' |
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| 410 | 1 | current += 1 |
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| 411 | |||
| 412 | # Main loop |
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| 413 | 1 | while True: |
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| 414 | 1 | if current >= length: |
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| 415 | 1 | break |
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| 416 | |||
| 417 | 1 | if _get_at(current) in {'A', 'E', 'I', 'O', 'U', 'Y'}: |
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| 418 | 1 | if current == 0: |
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| 419 | # All init vowels now map to 'A' |
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| 420 | 1 | primary, secondary = _metaph_add('A') |
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| 421 | 1 | current += 1 |
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| 422 | 1 | continue |
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| 423 | |||
| 424 | 1 | elif _get_at(current) == 'B': |
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| 425 | # "-mb", e.g", "dumb", already skipped over... |
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| 426 | 1 | primary, secondary = _metaph_add('P') |
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| 427 | 1 | if _get_at(current + 1) == 'B': |
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| 428 | 1 | current += 2 |
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| 429 | else: |
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| 430 | 1 | current += 1 |
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| 431 | 1 | continue |
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| 432 | |||
| 433 | 1 | elif _get_at(current) == 'Ç': |
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| 434 | 1 | primary, secondary = _metaph_add('S') |
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| 435 | 1 | current += 1 |
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| 436 | 1 | continue |
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| 437 | |||
| 438 | 1 | elif _get_at(current) == 'C': |
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| 439 | # Various Germanic |
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| 440 | 1 | if ( |
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| 441 | current > 1 |
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| 442 | and not _is_vowel(current - 2) |
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| 443 | and _string_at((current - 1), 3, {'ACH'}) |
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| 444 | and ( |
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| 445 | (_get_at(current + 2) != 'I') |
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| 446 | and ( |
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| 447 | (_get_at(current + 2) != 'E') |
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| 448 | or _string_at( |
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| 449 | (current - 2), 6, {'BACHER', 'MACHER'} |
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| 450 | ) |
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| 451 | ) |
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| 452 | ) |
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| 453 | ): |
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| 454 | 1 | primary, secondary = _metaph_add('K') |
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| 455 | 1 | current += 2 |
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| 456 | 1 | continue |
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| 457 | |||
| 458 | # Special case 'caesar' |
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| 459 | 1 | elif current == 0 and _string_at(current, 6, {'CAESAR'}): |
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| 460 | 1 | primary, secondary = _metaph_add('S') |
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| 461 | 1 | current += 2 |
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| 462 | 1 | continue |
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| 463 | |||
| 464 | # Italian 'chianti' |
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| 465 | 1 | elif _string_at(current, 4, {'CHIA'}): |
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| 466 | 1 | primary, secondary = _metaph_add('K') |
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| 467 | 1 | current += 2 |
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| 468 | 1 | continue |
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| 469 | |||
| 470 | 1 | elif _string_at(current, 2, {'CH'}): |
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| 471 | # Find 'Michael' |
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| 472 | 1 | if current > 0 and _string_at(current, 4, {'CHAE'}): |
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| 473 | 1 | primary, secondary = _metaph_add('K', 'X') |
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| 474 | 1 | current += 2 |
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| 475 | 1 | continue |
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| 476 | |||
| 477 | # Greek roots e.g. 'chemistry', 'chorus' |
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| 478 | 1 | elif ( |
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| 479 | current == 0 |
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| 480 | and ( |
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| 481 | _string_at((current + 1), 5, {'HARAC', 'HARIS'}) |
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| 482 | or _string_at( |
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| 483 | (current + 1), 3, {'HOR', 'HYM', 'HIA', 'HEM'} |
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| 484 | ) |
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| 485 | ) |
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| 486 | and not _string_at(0, 5, {'CHORE'}) |
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| 487 | ): |
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| 488 | 1 | primary, secondary = _metaph_add('K') |
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| 489 | 1 | current += 2 |
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| 490 | 1 | continue |
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| 491 | |||
| 492 | # Germanic, Greek, or otherwise 'ch' for 'kh' sound |
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| 493 | 1 | elif ( |
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| 494 | ( |
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| 495 | _string_at(0, 4, {'VAN ', 'VON '}) |
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| 496 | or _string_at(0, 3, {'SCH'}) |
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| 497 | ) |
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| 498 | or |
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| 499 | # 'architect but not 'arch', 'orchestra', 'orchid' |
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| 500 | _string_at( |
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| 501 | (current - 2), 6, {'ORCHES', 'ARCHIT', 'ORCHID'} |
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| 502 | ) |
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| 503 | or _string_at((current + 2), 1, {'T', 'S'}) |
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| 504 | or ( |
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| 505 | ( |
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| 506 | _string_at( |
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| 507 | (current - 1), 1, {'A', 'O', 'U', 'E'} |
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| 508 | ) |
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| 509 | or (current == 0) |
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| 510 | ) |
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| 511 | and |
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| 512 | # e.g., 'wachtler', 'wechsler', but not 'tichner' |
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| 513 | _string_at( |
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| 514 | (current + 2), |
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| 515 | 1, |
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| 516 | { |
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| 517 | 'L', |
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| 518 | 'R', |
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| 519 | 'N', |
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| 520 | 'M', |
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| 521 | 'B', |
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| 522 | 'H', |
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| 523 | 'F', |
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| 524 | 'V', |
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| 525 | 'W', |
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| 526 | ' ', |
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| 527 | }, |
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| 528 | ) |
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| 529 | ) |
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| 530 | ): |
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| 531 | 1 | primary, secondary = _metaph_add('K') |
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| 532 | |||
| 533 | else: |
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| 534 | 1 | if current > 0: |
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| 535 | 1 | if _string_at(0, 2, {'MC'}): |
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| 536 | # e.g., "McHugh" |
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| 537 | 1 | primary, secondary = _metaph_add('K') |
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| 538 | else: |
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| 539 | 1 | primary, secondary = _metaph_add('X', 'K') |
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| 540 | else: |
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| 541 | 1 | primary, secondary = _metaph_add('X') |
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| 542 | |||
| 543 | 1 | current += 2 |
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| 544 | 1 | continue |
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| 545 | |||
| 546 | # e.g, 'czerny' |
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| 547 | 1 | elif _string_at(current, 2, {'CZ'}) and not _string_at( |
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| 548 | (current - 2), 4, {'WICZ'} |
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| 549 | ): |
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| 550 | 1 | primary, secondary = _metaph_add('S', 'X') |
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| 551 | 1 | current += 2 |
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| 552 | 1 | continue |
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| 553 | |||
| 554 | # e.g., 'focaccia' |
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| 555 | 1 | elif _string_at((current + 1), 3, {'CIA'}): |
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| 556 | 1 | primary, secondary = _metaph_add('X') |
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| 557 | 1 | current += 3 |
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| 558 | |||
| 559 | # double 'C', but not if e.g. 'McClellan' |
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| 560 | 1 | elif _string_at(current, 2, {'CC'}) and not ( |
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| 561 | (current == 1) and (_get_at(0) == 'M') |
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| 562 | ): |
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| 563 | # 'bellocchio' but not 'bacchus' |
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| 564 | 1 | if _string_at( |
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| 565 | (current + 2), 1, {'I', 'E', 'H'} |
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| 566 | ) and not _string_at((current + 2), 2, ['HU']): |
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| 567 | # 'accident', 'accede' 'succeed' |
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| 568 | 1 | if ( |
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| 569 | (current == 1) and _get_at(current - 1) == 'A' |
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| 570 | ) or _string_at((current - 1), 5, {'UCCEE', 'UCCES'}): |
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| 571 | 1 | primary, secondary = _metaph_add('KS') |
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| 572 | # 'bacci', 'bertucci', other italian |
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| 573 | else: |
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| 574 | 1 | primary, secondary = _metaph_add('X') |
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| 575 | 1 | current += 3 |
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| 576 | 1 | continue |
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| 577 | else: # Pierce's rule |
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| 578 | 1 | primary, secondary = _metaph_add('K') |
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| 579 | 1 | current += 2 |
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| 580 | 1 | continue |
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| 581 | |||
| 582 | 1 | elif _string_at(current, 2, {'CK', 'CG', 'CQ'}): |
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| 583 | 1 | primary, secondary = _metaph_add('K') |
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| 584 | 1 | current += 2 |
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| 585 | 1 | continue |
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| 586 | |||
| 587 | 1 | elif _string_at(current, 2, {'CI', 'CE', 'CY'}): |
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| 588 | # Italian vs. English |
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| 589 | 1 | if _string_at(current, 3, {'CIO', 'CIE', 'CIA'}): |
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| 590 | 1 | primary, secondary = _metaph_add('S', 'X') |
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| 591 | else: |
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| 592 | 1 | primary, secondary = _metaph_add('S') |
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| 593 | 1 | current += 2 |
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| 594 | 1 | continue |
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| 595 | |||
| 596 | # else |
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| 597 | else: |
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| 598 | 1 | primary, secondary = _metaph_add('K') |
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| 599 | |||
| 600 | # name sent in 'mac caffrey', 'mac gregor |
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| 601 | 1 | if _string_at((current + 1), 2, {' C', ' Q', ' G'}): |
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| 602 | 1 | current += 3 |
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| 603 | 1 | elif _string_at( |
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| 604 | (current + 1), 1, {'C', 'K', 'Q'} |
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| 605 | ) and not _string_at((current + 1), 2, {'CE', 'CI'}): |
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| 606 | 1 | current += 2 |
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| 607 | else: |
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| 608 | 1 | current += 1 |
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| 609 | 1 | continue |
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| 610 | |||
| 611 | 1 | elif _get_at(current) == 'D': |
|
| 612 | 1 | if _string_at(current, 2, {'DG'}): |
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| 613 | 1 | if _string_at((current + 2), 1, {'I', 'E', 'Y'}): |
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| 614 | # e.g. 'edge' |
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| 615 | 1 | primary, secondary = _metaph_add('J') |
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| 616 | 1 | current += 3 |
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| 617 | 1 | continue |
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| 618 | else: |
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| 619 | # e.g. 'edgar' |
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| 620 | 1 | primary, secondary = _metaph_add('TK') |
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| 621 | 1 | current += 2 |
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| 622 | 1 | continue |
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| 623 | |||
| 624 | 1 | elif _string_at(current, 2, {'DT', 'DD'}): |
|
| 625 | 1 | primary, secondary = _metaph_add('T') |
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| 626 | 1 | current += 2 |
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| 627 | 1 | continue |
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| 628 | |||
| 629 | # else |
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| 630 | else: |
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| 631 | 1 | primary, secondary = _metaph_add('T') |
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| 632 | 1 | current += 1 |
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| 633 | 1 | continue |
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| 634 | |||
| 635 | 1 | elif _get_at(current) == 'F': |
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| 636 | 1 | if _get_at(current + 1) == 'F': |
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| 637 | 1 | current += 2 |
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| 638 | else: |
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| 639 | 1 | current += 1 |
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| 640 | 1 | primary, secondary = _metaph_add('F') |
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| 641 | 1 | continue |
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| 642 | |||
| 643 | 1 | elif _get_at(current) == 'G': |
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| 644 | 1 | if _get_at(current + 1) == 'H': |
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| 645 | 1 | if (current > 0) and not _is_vowel(current - 1): |
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| 646 | 1 | primary, secondary = _metaph_add('K') |
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| 647 | 1 | current += 2 |
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| 648 | 1 | continue |
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| 649 | |||
| 650 | # 'ghislane', ghiradelli |
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| 651 | 1 | elif current == 0: |
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| 652 | 1 | if _get_at(current + 2) == 'I': |
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| 653 | 1 | primary, secondary = _metaph_add('J') |
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| 654 | else: |
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| 655 | 1 | primary, secondary = _metaph_add('K') |
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| 656 | 1 | current += 2 |
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| 657 | 1 | continue |
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| 658 | |||
| 659 | # Parker's rule (with some further refinements) - |
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| 660 | # e.g., 'hugh' |
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| 661 | 1 | elif ( |
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| 662 | ( |
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| 663 | (current > 1) |
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| 664 | and _string_at((current - 2), 1, {'B', 'H', 'D'}) |
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| 665 | ) |
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| 666 | or |
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| 667 | # e.g., 'bough' |
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| 668 | ( |
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| 669 | (current > 2) |
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| 670 | and _string_at((current - 3), 1, {'B', 'H', 'D'}) |
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| 671 | ) |
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| 672 | or |
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| 673 | # e.g., 'broughton' |
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| 674 | ( |
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| 675 | (current > 3) |
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| 676 | and _string_at((current - 4), 1, {'B', 'H'}) |
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| 677 | ) |
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| 678 | ): |
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| 679 | 1 | current += 2 |
|
| 680 | 1 | continue |
|
| 681 | else: |
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| 682 | # e.g. 'laugh', 'McLaughlin', 'cough', |
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| 683 | # 'gough', 'rough', 'tough' |
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| 684 | 1 | if ( |
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| 685 | (current > 2) |
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| 686 | and (_get_at(current - 1) == 'U') |
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| 687 | and ( |
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| 688 | _string_at( |
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| 689 | (current - 3), 1, {'C', 'G', 'L', 'R', 'T'} |
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| 690 | ) |
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| 691 | ) |
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| 692 | ): |
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| 693 | 1 | primary, secondary = _metaph_add('F') |
|
| 694 | 1 | elif (current > 0) and _get_at(current - 1) != 'I': |
|
| 695 | 1 | primary, secondary = _metaph_add('K') |
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| 696 | 1 | current += 2 |
|
| 697 | 1 | continue |
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| 698 | |||
| 699 | 1 | elif _get_at(current + 1) == 'N': |
|
| 700 | 1 | if ( |
|
| 701 | (current == 1) |
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| 702 | and _is_vowel(0) |
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| 703 | and not _slavo_germanic() |
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| 704 | ): |
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| 705 | 1 | primary, secondary = _metaph_add('KN', 'N') |
|
| 706 | # not e.g. 'cagney' |
||
| 707 | 1 | elif ( |
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| 708 | not _string_at((current + 2), 2, {'EY'}) |
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| 709 | and (_get_at(current + 1) != 'Y') |
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| 710 | and not _slavo_germanic() |
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| 711 | ): |
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| 712 | 1 | primary, secondary = _metaph_add('N', 'KN') |
|
| 713 | else: |
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| 714 | 1 | primary, secondary = _metaph_add('KN') |
|
| 715 | 1 | current += 2 |
|
| 716 | 1 | continue |
|
| 717 | |||
| 718 | # 'tagliaro' |
||
| 719 | 1 | elif ( |
|
| 720 | _string_at((current + 1), 2, {'LI'}) |
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| 721 | and not _slavo_germanic() |
||
| 722 | ): |
||
| 723 | 1 | primary, secondary = _metaph_add('KL', 'L') |
|
| 724 | 1 | current += 2 |
|
| 725 | 1 | continue |
|
| 726 | |||
| 727 | # -ges-, -gep-, -gel-, -gie- at beginning |
||
| 728 | 1 | elif (current == 0) and ( |
|
| 729 | (_get_at(current + 1) == 'Y') |
||
| 730 | or _string_at( |
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| 731 | (current + 1), |
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| 732 | 2, |
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| 733 | { |
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| 734 | 'ES', |
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| 735 | 'EP', |
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| 736 | 'EB', |
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| 737 | 'EL', |
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| 738 | 'EY', |
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| 739 | 'IB', |
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| 740 | 'IL', |
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| 741 | 'IN', |
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| 742 | 'IE', |
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| 743 | 'EI', |
||
| 744 | 'ER', |
||
| 745 | }, |
||
| 746 | ) |
||
| 747 | ): |
||
| 748 | 1 | primary, secondary = _metaph_add('K', 'J') |
|
| 749 | 1 | current += 2 |
|
| 750 | 1 | continue |
|
| 751 | |||
| 752 | # -ger-, -gy- |
||
| 753 | 1 | elif ( |
|
| 754 | ( |
||
| 755 | _string_at((current + 1), 2, {'ER'}) |
||
| 756 | or (_get_at(current + 1) == 'Y') |
||
| 757 | ) |
||
| 758 | and not _string_at(0, 6, {'DANGER', 'RANGER', 'MANGER'}) |
||
| 759 | and not _string_at((current - 1), 1, {'E', 'I'}) |
||
| 760 | and not _string_at((current - 1), 3, {'RGY', 'OGY'}) |
||
| 761 | ): |
||
| 762 | 1 | primary, secondary = _metaph_add('K', 'J') |
|
| 763 | 1 | current += 2 |
|
| 764 | 1 | continue |
|
| 765 | |||
| 766 | # italian e.g, 'biaggi' |
||
| 767 | 1 | elif _string_at( |
|
| 768 | (current + 1), 1, {'E', 'I', 'Y'} |
||
| 769 | ) or _string_at((current - 1), 4, {'AGGI', 'OGGI'}): |
||
| 770 | # obvious germanic |
||
| 771 | 1 | if ( |
|
| 772 | _string_at(0, 4, {'VAN ', 'VON '}) |
||
| 773 | or _string_at(0, 3, {'SCH'}) |
||
| 774 | ) or _string_at((current + 1), 2, {'ET'}): |
||
| 775 | 1 | primary, secondary = _metaph_add('K') |
|
| 776 | 1 | elif _string_at((current + 1), 4, {'IER '}): |
|
| 777 | 1 | primary, secondary = _metaph_add('J') |
|
| 778 | else: |
||
| 779 | 1 | primary, secondary = _metaph_add('J', 'K') |
|
| 780 | 1 | current += 2 |
|
| 781 | 1 | continue |
|
| 782 | |||
| 783 | else: |
||
| 784 | 1 | if _get_at(current + 1) == 'G': |
|
| 785 | 1 | current += 2 |
|
| 786 | else: |
||
| 787 | 1 | current += 1 |
|
| 788 | 1 | primary, secondary = _metaph_add('K') |
|
| 789 | 1 | continue |
|
| 790 | |||
| 791 | 1 | elif _get_at(current) == 'H': |
|
| 792 | # only keep if first & before vowel or btw. 2 vowels |
||
| 793 | 1 | if ((current == 0) or _is_vowel(current - 1)) and _is_vowel( |
|
| 794 | current + 1 |
||
| 795 | ): |
||
| 796 | 1 | primary, secondary = _metaph_add('H') |
|
| 797 | 1 | current += 2 |
|
| 798 | else: # also takes care of 'HH' |
||
| 799 | 1 | current += 1 |
|
| 800 | 1 | continue |
|
| 801 | |||
| 802 | 1 | elif _get_at(current) == 'J': |
|
| 803 | # obvious spanish, 'jose', 'san jacinto' |
||
| 804 | 1 | if _string_at(current, 4, ['JOSE']) or _string_at( |
|
| 805 | 0, 4, {'SAN '} |
||
| 806 | ): |
||
| 807 | 1 | if ( |
|
| 808 | (current == 0) and (_get_at(current + 4) == ' ') |
||
| 809 | ) or _string_at(0, 4, ['SAN ']): |
||
| 810 | 1 | primary, secondary = _metaph_add('H') |
|
| 811 | else: |
||
| 812 | 1 | primary, secondary = _metaph_add('J', 'H') |
|
| 813 | 1 | current += 1 |
|
| 814 | 1 | continue |
|
| 815 | |||
| 816 | 1 | elif (current == 0) and not _string_at(current, 4, {'JOSE'}): |
|
| 817 | # Yankelovich/Jankelowicz |
||
| 818 | 1 | primary, secondary = _metaph_add('J', 'A') |
|
| 819 | # Spanish pron. of e.g. 'bajador' |
||
| 820 | 1 | elif ( |
|
| 821 | _is_vowel(current - 1) |
||
| 822 | and not _slavo_germanic() |
||
| 823 | and ( |
||
| 824 | (_get_at(current + 1) == 'A') |
||
| 825 | or (_get_at(current + 1) == 'O') |
||
| 826 | ) |
||
| 827 | ): |
||
| 828 | 1 | primary, secondary = _metaph_add('J', 'H') |
|
| 829 | 1 | elif current == last: |
|
| 830 | 1 | primary, secondary = _metaph_add('J', ' ') |
|
| 831 | 1 | elif not _string_at( |
|
| 832 | (current + 1), 1, {'L', 'T', 'K', 'S', 'N', 'M', 'B', 'Z'} |
||
| 833 | ) and not _string_at((current - 1), 1, {'S', 'K', 'L'}): |
||
| 834 | 1 | primary, secondary = _metaph_add('J') |
|
| 835 | |||
| 836 | 1 | if _get_at(current + 1) == 'J': # it could happen! |
|
| 837 | 1 | current += 2 |
|
| 838 | else: |
||
| 839 | 1 | current += 1 |
|
| 840 | 1 | continue |
|
| 841 | |||
| 842 | 1 | elif _get_at(current) == 'K': |
|
| 843 | 1 | if _get_at(current + 1) == 'K': |
|
| 844 | 1 | current += 2 |
|
| 845 | else: |
||
| 846 | 1 | current += 1 |
|
| 847 | 1 | primary, secondary = _metaph_add('K') |
|
| 848 | 1 | continue |
|
| 849 | |||
| 850 | 1 | elif _get_at(current) == 'L': |
|
| 851 | 1 | if _get_at(current + 1) == 'L': |
|
| 852 | # Spanish e.g. 'cabrillo', 'gallegos' |
||
| 853 | 1 | if ( |
|
| 854 | (current == (length - 3)) |
||
| 855 | and _string_at( |
||
| 856 | (current - 1), 4, {'ILLO', 'ILLA', 'ALLE'} |
||
| 857 | ) |
||
| 858 | ) or ( |
||
| 859 | ( |
||
| 860 | _string_at((last - 1), 2, {'AS', 'OS'}) |
||
| 861 | or _string_at(last, 1, {'A', 'O'}) |
||
| 862 | ) |
||
| 863 | and _string_at((current - 1), 4, {'ALLE'}) |
||
| 864 | ): |
||
| 865 | 1 | primary, secondary = _metaph_add('L', ' ') |
|
| 866 | 1 | current += 2 |
|
| 867 | 1 | continue |
|
| 868 | 1 | current += 2 |
|
| 869 | else: |
||
| 870 | 1 | current += 1 |
|
| 871 | 1 | primary, secondary = _metaph_add('L') |
|
| 872 | 1 | continue |
|
| 873 | |||
| 874 | 1 | elif _get_at(current) == 'M': |
|
| 875 | 1 | if ( |
|
| 876 | ( |
||
| 877 | _string_at((current - 1), 3, {'UMB'}) |
||
| 878 | and ( |
||
| 879 | ((current + 1) == last) |
||
| 880 | or _string_at((current + 2), 2, {'ER'}) |
||
| 881 | ) |
||
| 882 | ) |
||
| 883 | or |
||
| 884 | # 'dumb', 'thumb' |
||
| 885 | (_get_at(current + 1) == 'M') |
||
| 886 | ): |
||
| 887 | 1 | current += 2 |
|
| 888 | else: |
||
| 889 | 1 | current += 1 |
|
| 890 | 1 | primary, secondary = _metaph_add('M') |
|
| 891 | 1 | continue |
|
| 892 | |||
| 893 | 1 | elif _get_at(current) == 'N': |
|
| 894 | 1 | if _get_at(current + 1) == 'N': |
|
| 895 | 1 | current += 2 |
|
| 896 | else: |
||
| 897 | 1 | current += 1 |
|
| 898 | 1 | primary, secondary = _metaph_add('N') |
|
| 899 | 1 | continue |
|
| 900 | |||
| 901 | 1 | elif _get_at(current) == 'Ñ': |
|
| 902 | 1 | current += 1 |
|
| 903 | 1 | primary, secondary = _metaph_add('N') |
|
| 904 | 1 | continue |
|
| 905 | |||
| 906 | 1 | elif _get_at(current) == 'P': |
|
| 907 | 1 | if _get_at(current + 1) == 'H': |
|
| 908 | 1 | primary, secondary = _metaph_add('F') |
|
| 909 | 1 | current += 2 |
|
| 910 | 1 | continue |
|
| 911 | |||
| 912 | # also account for "campbell", "raspberry" |
||
| 913 | 1 | elif _string_at((current + 1), 1, {'P', 'B'}): |
|
| 914 | 1 | current += 2 |
|
| 915 | else: |
||
| 916 | 1 | current += 1 |
|
| 917 | 1 | primary, secondary = _metaph_add('P') |
|
| 918 | 1 | continue |
|
| 919 | |||
| 920 | 1 | elif _get_at(current) == 'Q': |
|
| 921 | 1 | if _get_at(current + 1) == 'Q': |
|
| 922 | 1 | current += 2 |
|
| 923 | else: |
||
| 924 | 1 | current += 1 |
|
| 925 | 1 | primary, secondary = _metaph_add('K') |
|
| 926 | 1 | continue |
|
| 927 | |||
| 928 | 1 | elif _get_at(current) == 'R': |
|
| 929 | # french e.g. 'rogier', but exclude 'hochmeier' |
||
| 930 | 1 | if ( |
|
| 931 | (current == last) |
||
| 932 | and not _slavo_germanic() |
||
| 933 | and _string_at((current - 2), 2, {'IE'}) |
||
| 934 | and not _string_at((current - 4), 2, {'ME', 'MA'}) |
||
| 935 | ): |
||
| 936 | 1 | primary, secondary = _metaph_add('', 'R') |
|
| 937 | else: |
||
| 938 | 1 | primary, secondary = _metaph_add('R') |
|
| 939 | |||
| 940 | 1 | if _get_at(current + 1) == 'R': |
|
| 941 | 1 | current += 2 |
|
| 942 | else: |
||
| 943 | 1 | current += 1 |
|
| 944 | 1 | continue |
|
| 945 | |||
| 946 | 1 | elif _get_at(current) == 'S': |
|
| 947 | # special cases 'island', 'isle', 'carlisle', 'carlysle' |
||
| 948 | 1 | if _string_at((current - 1), 3, {'ISL', 'YSL'}): |
|
| 949 | 1 | current += 1 |
|
| 950 | 1 | continue |
|
| 951 | |||
| 952 | # special case 'sugar-' |
||
| 953 | 1 | elif (current == 0) and _string_at(current, 5, {'SUGAR'}): |
|
| 954 | 1 | primary, secondary = _metaph_add('X', 'S') |
|
| 955 | 1 | current += 1 |
|
| 956 | 1 | continue |
|
| 957 | |||
| 958 | 1 | elif _string_at(current, 2, {'SH'}): |
|
| 959 | # Germanic |
||
| 960 | 1 | if _string_at( |
|
| 961 | (current + 1), 4, {'HEIM', 'HOEK', 'HOLM', 'HOLZ'} |
||
| 962 | ): |
||
| 963 | 1 | primary, secondary = _metaph_add('S') |
|
| 964 | else: |
||
| 965 | 1 | primary, secondary = _metaph_add('X') |
|
| 966 | 1 | current += 2 |
|
| 967 | 1 | continue |
|
| 968 | |||
| 969 | # Italian & Armenian |
||
| 970 | 1 | elif _string_at(current, 3, {'SIO', 'SIA'}) or _string_at( |
|
| 971 | current, 4, {'SIAN'} |
||
| 972 | ): |
||
| 973 | 1 | if not _slavo_germanic(): |
|
| 974 | 1 | primary, secondary = _metaph_add('S', 'X') |
|
| 975 | else: |
||
| 976 | 1 | primary, secondary = _metaph_add('S') |
|
| 977 | 1 | current += 3 |
|
| 978 | 1 | continue |
|
| 979 | |||
| 980 | # German & anglicisations, e.g. 'smith' match 'schmidt', |
||
| 981 | # 'snider' match 'schneider' |
||
| 982 | # also, -sz- in Slavic language although in Hungarian it is |
||
| 983 | # pronounced 's' |
||
| 984 | 1 | elif ( |
|
| 985 | (current == 0) |
||
| 986 | and _string_at((current + 1), 1, {'M', 'N', 'L', 'W'}) |
||
| 987 | ) or _string_at((current + 1), 1, {'Z'}): |
||
| 988 | 1 | primary, secondary = _metaph_add('S', 'X') |
|
| 989 | 1 | if _string_at((current + 1), 1, {'Z'}): |
|
| 990 | 1 | current += 2 |
|
| 991 | else: |
||
| 992 | 1 | current += 1 |
|
| 993 | 1 | continue |
|
| 994 | |||
| 995 | 1 | elif _string_at(current, 2, {'SC'}): |
|
| 996 | # Schlesinger's rule |
||
| 997 | 1 | if _get_at(current + 2) == 'H': |
|
| 998 | # dutch origin, e.g. 'school', 'schooner' |
||
| 999 | 1 | if _string_at( |
|
| 1000 | (current + 3), |
||
| 1001 | 2, |
||
| 1002 | {'OO', 'ER', 'EN', 'UY', 'ED', 'EM'}, |
||
| 1003 | ): |
||
| 1004 | # 'schermerhorn', 'schenker' |
||
| 1005 | 1 | if _string_at((current + 3), 2, {'ER', 'EN'}): |
|
| 1006 | 1 | primary, secondary = _metaph_add('X', 'SK') |
|
| 1007 | else: |
||
| 1008 | 1 | primary, secondary = _metaph_add('SK') |
|
| 1009 | 1 | current += 3 |
|
| 1010 | 1 | continue |
|
| 1011 | else: |
||
| 1012 | 1 | if ( |
|
| 1013 | (current == 0) |
||
| 1014 | and not _is_vowel(3) |
||
| 1015 | and (_get_at(3) != 'W') |
||
| 1016 | ): |
||
| 1017 | 1 | primary, secondary = _metaph_add('X', 'S') |
|
| 1018 | else: |
||
| 1019 | 1 | primary, secondary = _metaph_add('X') |
|
| 1020 | 1 | current += 3 |
|
| 1021 | 1 | continue |
|
| 1022 | |||
| 1023 | 1 | elif _string_at((current + 2), 1, {'I', 'E', 'Y'}): |
|
| 1024 | 1 | primary, secondary = _metaph_add('S') |
|
| 1025 | 1 | current += 3 |
|
| 1026 | 1 | continue |
|
| 1027 | |||
| 1028 | # else |
||
| 1029 | else: |
||
| 1030 | 1 | primary, secondary = _metaph_add('SK') |
|
| 1031 | 1 | current += 3 |
|
| 1032 | 1 | continue |
|
| 1033 | |||
| 1034 | else: |
||
| 1035 | # french e.g. 'resnais', 'artois' |
||
| 1036 | 1 | if (current == last) and _string_at( |
|
| 1037 | (current - 2), 2, {'AI', 'OI'} |
||
| 1038 | ): |
||
| 1039 | 1 | primary, secondary = _metaph_add('', 'S') |
|
| 1040 | else: |
||
| 1041 | 1 | primary, secondary = _metaph_add('S') |
|
| 1042 | |||
| 1043 | 1 | if _string_at((current + 1), 1, {'S', 'Z'}): |
|
| 1044 | 1 | current += 2 |
|
| 1045 | else: |
||
| 1046 | 1 | current += 1 |
|
| 1047 | 1 | continue |
|
| 1048 | |||
| 1049 | 1 | elif _get_at(current) == 'T': |
|
| 1050 | 1 | if _string_at(current, 4, {'TION'}): |
|
| 1051 | 1 | primary, secondary = _metaph_add('X') |
|
| 1052 | 1 | current += 3 |
|
| 1053 | 1 | continue |
|
| 1054 | |||
| 1055 | 1 | elif _string_at(current, 3, {'TIA', 'TCH'}): |
|
| 1056 | 1 | primary, secondary = _metaph_add('X') |
|
| 1057 | 1 | current += 3 |
|
| 1058 | 1 | continue |
|
| 1059 | |||
| 1060 | 1 | elif _string_at(current, 2, {'TH'}) or _string_at( |
|
| 1061 | current, 3, {'TTH'} |
||
| 1062 | ): |
||
| 1063 | # special case 'thomas', 'thames' or germanic |
||
| 1064 | 1 | if ( |
|
| 1065 | _string_at((current + 2), 2, {'OM', 'AM'}) |
||
| 1066 | or _string_at(0, 4, {'VAN ', 'VON '}) |
||
| 1067 | or _string_at(0, 3, {'SCH'}) |
||
| 1068 | ): |
||
| 1069 | 1 | primary, secondary = _metaph_add('T') |
|
| 1070 | else: |
||
| 1071 | 1 | primary, secondary = _metaph_add('0', 'T') |
|
| 1072 | 1 | current += 2 |
|
| 1073 | 1 | continue |
|
| 1074 | |||
| 1075 | 1 | elif _string_at((current + 1), 1, {'T', 'D'}): |
|
| 1076 | 1 | current += 2 |
|
| 1077 | else: |
||
| 1078 | 1 | current += 1 |
|
| 1079 | 1 | primary, secondary = _metaph_add('T') |
|
| 1080 | 1 | continue |
|
| 1081 | |||
| 1082 | 1 | elif _get_at(current) == 'V': |
|
| 1083 | 1 | if _get_at(current + 1) == 'V': |
|
| 1084 | 1 | current += 2 |
|
| 1085 | else: |
||
| 1086 | 1 | current += 1 |
|
| 1087 | 1 | primary, secondary = _metaph_add('F') |
|
| 1088 | 1 | continue |
|
| 1089 | |||
| 1090 | 1 | elif _get_at(current) == 'W': |
|
| 1091 | # can also be in middle of word |
||
| 1092 | 1 | if _string_at(current, 2, {'WR'}): |
|
| 1093 | 1 | primary, secondary = _metaph_add('R') |
|
| 1094 | 1 | current += 2 |
|
| 1095 | 1 | continue |
|
| 1096 | 1 | elif (current == 0) and ( |
|
| 1097 | _is_vowel(current + 1) or _string_at(current, 2, {'WH'}) |
||
| 1098 | ): |
||
| 1099 | # Wasserman should match Vasserman |
||
| 1100 | 1 | if _is_vowel(current + 1): |
|
| 1101 | 1 | primary, secondary = _metaph_add('A', 'F') |
|
| 1102 | else: |
||
| 1103 | # need Uomo to match Womo |
||
| 1104 | 1 | primary, secondary = _metaph_add('A') |
|
| 1105 | |||
| 1106 | # Arnow should match Arnoff |
||
| 1107 | 1 | if ( |
|
| 1108 | ((current == last) and _is_vowel(current - 1)) |
||
| 1109 | or _string_at( |
||
| 1110 | (current - 1), 5, {'EWSKI', 'EWSKY', 'OWSKI', 'OWSKY'} |
||
| 1111 | ) |
||
| 1112 | or _string_at(0, 3, ['SCH']) |
||
| 1113 | ): |
||
| 1114 | 1 | primary, secondary = _metaph_add('', 'F') |
|
| 1115 | 1 | current += 1 |
|
| 1116 | 1 | continue |
|
| 1117 | # Polish e.g. 'filipowicz' |
||
| 1118 | 1 | elif _string_at(current, 4, {'WICZ', 'WITZ'}): |
|
| 1119 | 1 | primary, secondary = _metaph_add('TS', 'FX') |
|
| 1120 | 1 | current += 4 |
|
| 1121 | 1 | continue |
|
| 1122 | # else skip it |
||
| 1123 | else: |
||
| 1124 | 1 | current += 1 |
|
| 1125 | 1 | continue |
|
| 1126 | |||
| 1127 | 1 | elif _get_at(current) == 'X': |
|
| 1128 | # French e.g. breaux |
||
| 1129 | 1 | if not ( |
|
| 1130 | (current == last) |
||
| 1131 | and ( |
||
| 1132 | _string_at((current - 3), 3, {'IAU', 'EAU'}) |
||
| 1133 | or _string_at((current - 2), 2, {'AU', 'OU'}) |
||
| 1134 | ) |
||
| 1135 | ): |
||
| 1136 | 1 | primary, secondary = _metaph_add('KS') |
|
| 1137 | |||
| 1138 | 1 | if _string_at((current + 1), 1, {'C', 'X'}): |
|
| 1139 | 1 | current += 2 |
|
| 1140 | else: |
||
| 1141 | 1 | current += 1 |
|
| 1142 | 1 | continue |
|
| 1143 | |||
| 1144 | 1 | elif _get_at(current) == 'Z': |
|
| 1145 | # Chinese Pinyin e.g. 'zhao' |
||
| 1146 | 1 | if _get_at(current + 1) == 'H': |
|
| 1147 | 1 | primary, secondary = _metaph_add('J') |
|
| 1148 | 1 | current += 2 |
|
| 1149 | 1 | continue |
|
| 1150 | 1 | elif _string_at((current + 1), 2, {'ZO', 'ZI', 'ZA'}) or ( |
|
| 1151 | _slavo_germanic() |
||
| 1152 | and ((current > 0) and _get_at(current - 1) != 'T') |
||
| 1153 | ): |
||
| 1154 | 1 | primary, secondary = _metaph_add('S', 'TS') |
|
| 1155 | else: |
||
| 1156 | 1 | primary, secondary = _metaph_add('S') |
|
| 1157 | |||
| 1158 | 1 | if _get_at(current + 1) == 'Z': |
|
| 1159 | 1 | current += 2 |
|
| 1160 | else: |
||
| 1161 | 1 | current += 1 |
|
| 1162 | 1 | continue |
|
| 1163 | |||
| 1164 | else: |
||
| 1165 | 1 | current += 1 |
|
| 1166 | |||
| 1167 | 1 | if max_length > 0: |
|
| 1168 | 1 | primary = primary[:max_length] |
|
| 1169 | 1 | secondary = secondary[:max_length] |
|
| 1170 | 1 | if primary == secondary: |
|
| 1171 | 1 | secondary = '' |
|
| 1172 | |||
| 1173 | 1 | return primary, secondary |
|
| 1174 | |||
| 1209 |
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