1

2# -*- coding: utf-8 -*-

3

4 u'''(INTERNAL) Nameable class instances.

5

6 Classes C{_Named}, C{_NamedDict}, C{_NamedEnum}, C{_NamedEnumItem} and

7 C{_NamedTuple} and several subclasses thereof, all with nameable instances.

8

9 The items in a C{_NamedDict} are accessable as attributes and the items

10 in a C{_NamedTuple} are named to be accessable as attributes, similar to

11 standard Python C{namedtuple}s.

12

13@see: Module L{pygeodesy.namedTuples} for (most of) the C{Named-Tuples}.

14'''

15

16 from pygeodesy.basics import isclass, isidentifier, iskeyword, isstr, issubclassof, \

17 itemsorted, len2, _sizeof, _xcopy, _xdup, _zip

18 from pygeodesy.errors import _AssertionError, _AttributeError, _incompatible, \

19 _IndexError, _IsnotError, _KeyError, LenError, \

20 _NameError, _NotImplementedError, _TypeError, \

21 _TypesError, UnitError, _ValueError, _xattr, _xkwds, \

22 _xkwds_get, _xkwds_item2, _xkwds_pop2

23 from pygeodesy.interns import MISSING, NN, _at_, _AT_, _COLON_, _COLONSPACE_, _COMMA_, \

24 _COMMASPACE_, _doesn_t_exist_, _DOT_, _DUNDER_, _EQUAL_, \

25 _exists_, _immutable_, _name_, _NL_, _NN_, _no_, _other_, \

26 _s_, _SPACE_, _std_, _UNDER_, _valid_, _vs_, \

27 _dunder_nameof, _isPyPy, _under

28 from pygeodesy.lazily import _ALL_DOCS, _ALL_LAZY, _ALL_MODS as _MODS, _caller3, _getenv

29 from pygeodesy.props import _allPropertiesOf_n, deprecated_method, _hasProperty, \

30 _update_all, property_doc_, Property_RO, property_RO, \

31 _update_attrs

32 from pygeodesy.streprs import attrs, Fmt, lrstrip, pairs, reprs, unstr

33

34__all__ = _ALL_LAZY.named

35__version__ = '24.03.22'

36

37_COMMANL_ = _COMMA_ + _NL_

38_COMMASPACEDOT_ = _COMMASPACE_ + _DOT_

39_del_ = 'del'

40_item_ = 'item'

41_MRO_ = 'MRO'

42# __DUNDER gets mangled in class

43_name = _under(_name_)

44_Names_ = '_Names_'

45_registered_ = 'registered' # PYCHOK used!

46_std_NotImplemented = _getenv('PYGEODESY_NOTIMPLEMENTED', NN).lower() == _std_

47_Units_ = '_Units_'

48

49

50 def _xjoined_(prefix, name):

51 '''(INTERNAL) Join C{pref} and non-empty C{name}.

52 '''

53 return _SPACE_(prefix, repr(name)) if name and prefix else (prefix or name)

54

55

56 def _xnamed(inst, name, force=False):

57 '''(INTERNAL) Set the instance' C{.name = B{name}}.

58

59 @arg inst: The instance (C{_Named}).

60 @arg name: The name (C{str}).

61 @kwarg force: Force name change (C{bool}).

62

63 @return: The B{C{inst}}, named if B{C{force}}d or

64 not named before.

65 '''

66 if name and isinstance(inst, _Named):

67 if not inst.name:

68 inst.name = name

69 elif force:

70 inst.rename(name)

71 return inst

72

73

74 def _xother3(inst, other, name=_other_, up=1, **name_other):

75 '''(INTERNAL) Get C{name} and C{up} for a named C{other}.

76 '''

77 if name_other: # and other is None

78 name, other = _xkwds_item2(name_other)

79 elif other and len(other) == 1:

80 other = other[0]

81 else:

82 raise _AssertionError(name, other, txt=classname(inst, prefixed=True))

83 return other, name, up

84

85

86 def _xotherError(inst, other, name=_other_, up=1):

87 '''(INTERNAL) Return a C{_TypeError} for an incompatible, named C{other}.

88 '''

89 n = _callname(name, classname(inst, prefixed=True), inst.name, up=up + 1)

90 return _TypeError(name, other, txt=_incompatible(n))

91

92

93 def _xvalid(name, underOK=False):

94 '''(INTERNAL) Check valid attribute name C{name}.

95 '''

96 return bool(name and isstr(name)

97 and name != _name_

98 and (underOK or not name.startswith(_UNDER_))

99 and (not iskeyword(name))

100 and isidentifier(name))

101

102

103 class ADict(dict):

104 '''A C{dict} with both key I{and} attribute access to

105 the C{dict} items.

106 '''

107 _iteration = None # Iteration number (C{int}) or C{None}

108

109 def __getattr__(self, name):

110 '''Get the value of an item by B{C{name}}.

111 '''

112 try:

113 return self[name]

114 except KeyError:

115 if name == _name_:

116 return NN

117 raise self._AttributeError(name)

118

119 def __repr__(self):

120 '''Default C{repr(self)}.

121 '''

122 return self.toRepr()

123

124 def __str__(self):

125 '''Default C{str(self)}.

126 '''

127 return self.toStr()

128

129 def _AttributeError(self, name):

130 '''(INTERNAL) Create an C{AttributeError}.

131 '''

132 if _DOT_ not in name: # NOT classname(self)!

133 name = _DOT_(self.__class__.__name__, name)

134 return _AttributeError(item=name, txt=_doesn_t_exist_)

135

136 @property_RO

137 def iteration(self): # see .named._NamedBase

138 '''Get the iteration number (C{int}) or

139 C{None} if not available/applicable.

140 '''

141 return self._iteration

142

143 def set_(self, iteration=None, **items): # PYCHOK signature

144 '''Add one or several new items or replace existing ones.

145

146 @kwarg iteration: Optional C{iteration} (C{int}).

147 @kwarg items: One or more C{name=value} pairs.

148 '''

149 if iteration is not None:

150 self._iteration = iteration

151 if items:

152 dict.update(self, items)

153 return self # in RhumbLineBase.Intersecant2, _PseudoRhumbLine.Position

154

155 def toRepr(self, **prec_fmt):

156 '''Like C{repr(dict)} but with C{name} prefix and with

157 C{floats} formatted by function L{pygeodesy.fstr}.

158 '''

159 n = _xattr(self, name=NN) or self.__class__.__name__

160 return Fmt.PAREN(n, self._toT(_EQUAL_, **prec_fmt))

161

162 def toStr(self, **prec_fmt):

163 '''Like C{str(dict)} but with C{floats} formatted by

164 function L{pygeodesy.fstr}.

165 '''

166 return Fmt.CURLY(self._toT(_COLONSPACE_, **prec_fmt))

167

168 def _toT(self, sep, **kwds):

169 '''(INTERNAL) Helper for C{.toRepr} and C{.toStr}.

170 '''

171 kwds = _xkwds(kwds, prec=6, fmt=Fmt.F, sep=sep)

172 return _COMMASPACE_.join(pairs(itemsorted(self), **kwds))

173

174

175 class _Named(object):

176 '''(INTERNAL) Root class for named objects.

177 '''

178 _iteration = None # iteration number (C{int}) or C{None}

179 _name = NN # name (C{str})

180 _classnaming = False # prefixed (C{bool})

181# _updates = 0 # OBSOLETE Property/property updates

182

183 def __imatmul__(self, other): # PYCHOK no cover

184 '''Not implemented.'''

185 return _NotImplemented(self, other) # PYCHOK Python 3.5+

186

187 def __matmul__(self, other): # PYCHOK no cover

188 '''Not implemented.'''

189 return _NotImplemented(self, other) # PYCHOK Python 3.5+

190

191 def __repr__(self):

192 '''Default C{repr(self)}.

193 '''

194 return Fmt.ANGLE(_SPACE_(self, _at_, hex(id(self))))

195

196 def __rmatmul__(self, other): # PYCHOK no cover

197 '''Not implemented.'''

198 return _NotImplemented(self, other) # PYCHOK Python 3.5+

199

200 def __str__(self):

201 '''Default C{str(self)}.

202 '''

203 return self.named2

204

205 def attrs(self, *names, **sep_Nones_pairs_kwds):

206 '''Join named attributes as I{name=value} strings, with C{float}s formatted by

207 function L{pygeodesy.fstr}.

208

209 @arg names: The attribute names, all positional (C{str}).

210 @kwarg sep_Nones_pairs_kwds: Keyword arguments for function L{pygeodesy.pairs},

211 except C{B{sep}=", "} and C{B{Nones}=True} to in-/exclude missing

212 or C{None}-valued attributes.

213

214 @return: All C{name=value} pairs, joined by B{C{sep}} (C{str}).

215

216 @see: Functions L{pygeodesy.attrs}, L{pygeodesy.pairs} and L{pygeodesy.fstr}

217 '''

218 sep, kwds = _xkwds_pop2(sep_Nones_pairs_kwds, sep=_COMMASPACE_)

219 return sep.join(attrs(self, *names, **kwds))

220

221 @Property_RO

222 def classname(self):

223 '''Get this object's C{[module.]class} name (C{str}), see

224 property C{.classnaming} and function C{classnaming}.

225 '''

226 return classname(self, prefixed=self._classnaming)

227

228 @property_doc_(''' the class naming (C{bool}).''')

229 def classnaming(self):

230 '''Get the class naming (C{bool}), see function C{classnaming}.

231 '''

232 return self._classnaming

233

234 @classnaming.setter # PYCHOK setter!

235 def classnaming(self, prefixed):

236 '''Set the class naming for C{[module.].class} names (C{bool})

237 to C{True} to include the module name.

238 '''

239 b = bool(prefixed)

240 if self._classnaming != b:

241 self._classnaming = b

242 _update_attrs(self, *_Named_Property_ROs)

243

244 def classof(self, *args, **kwds):

245 '''Create another instance of this very class.

246

247 @arg args: Optional, positional arguments.

248 @kwarg kwds: Optional, keyword arguments.

249

250 @return: New instance (B{self.__class__}).

251 '''

252 return _xnamed(self.__class__(*args, **kwds), self.name)

253

254 def copy(self, deep=False, name=NN):

255 '''Make a shallow or deep copy of this instance.

256

257 @kwarg deep: If C{True} make a deep, otherwise

258 a shallow copy (C{bool}).

259 @kwarg name: Optional, non-empty name (C{str}).

260

261 @return: The copy (C{This class}).

262 '''

263 c = _xcopy(self, deep=deep)

264 if name:

265 c.rename(name)

266 return c

267

268 def _DOT_(self, *names):

269 '''(INTERNAL) Period-join C{self.name} and C{names}.

270 '''

271 return _DOT_(self.name, *names)

272

273 def dup(self, deep=False, **items):

274 '''Duplicate this instance, replacing some attributes.

275

276 @kwarg deep: If C{True} duplicate deep, otherwise shallow.

277 @kwarg items: Attributes to be changed (C{any}).

278

279 @return: The duplicate (C{This class}).

280

281 @raise AttributeError: Some B{C{items}} invalid.

282 '''

283 n = self.name

284 m, items = _xkwds_pop2(items, name=n)

285 d = _xdup(self, deep=deep, **items)

286 if m != n:

287 d.rename(m)

288# if items:

289# _update_all(d)

290 return d

291

292 def _instr(self, name, prec, *attrs, **fmt_props_kwds):

293 '''(INTERNAL) Format, used by C{Conic}, C{Ellipsoid}, C{Transform}, C{Triaxial}.

294 '''

295 def _fmt_props_kwds(fmt=Fmt.F, props=(), **kwds):

296 return fmt, props, kwds

297

298 fmt, props, kwds = _fmt_props_kwds(**fmt_props_kwds)

299

300 t = () if name is None else (Fmt.EQUAL(name=repr(name or self.name)),)

301 if attrs:

302 t += pairs(((a, getattr(self, a)) for a in attrs),

303 prec=prec, ints=True, fmt=fmt)

304 if props:

305 t += pairs(((p.name, getattr(self, p.name)) for p in props),

306 prec=prec, ints=True)

307 if kwds:

308 t += pairs(kwds, prec=prec)

309 return _COMMASPACE_.join(t)

310

311 @property_RO

312 def iteration(self): # see .karney.GDict

313 '''Get the most recent iteration number (C{int}) or C{None}

314 if not available or not applicable.

315

316 @note: The interation number may be an aggregate number over

317 several, nested functions.

318 '''

319 return self._iteration

320

321 def methodname(self, which):

322 '''Get a method C{[module.]class.method} name of this object (C{str}).

323

324 @arg which: The method (C{callable}).

325 '''

326 return _DOT_(self.classname, which.__name__ if callable(which) else _NN_)

327

328 @property_doc_(''' the name (C{str}).''')

329 def name(self):

330 '''Get the name (C{str}).

331 '''

332 return self._name

333

334 @name.setter # PYCHOK setter!

335 def name(self, name):

336 '''Set the name (C{str}).

337

338 @raise NameError: Can't rename, use method L{rename}.

339 '''

340 m, n = self._name, str(name)

341 if not m:

342 self._name = n

343 elif n != m:

344 n = repr(n)

345 c = self.classname

346 t = _DOT_(c, Fmt.PAREN(self.rename.__name__, n))

347 n = _DOT_(c, Fmt.EQUALSPACED(name=n))

348 m = Fmt.PAREN(_SPACE_('was', repr(m)))

349 n = _SPACE_(n, m)

350 raise _NameError(n, txt=_SPACE_('use', t))

351 # to set the name from a sub-class, use

352 # self.name = name or

353 # _Named.name.fset(self, name), but NOT

354 # _Named(self).name = name

355

356 @Property_RO

357 def named(self):

358 '''Get the name I{or} class name or C{""} (C{str}).

359 '''

360 return self.name or self.classname

361

362 @Property_RO

363 def named2(self):

364 '''Get the C{class} name I{and/or} the name or C{""} (C{str}).

365 '''

366 return _xjoined_(self.classname, self.name)

367

368 @Property_RO

369 def named3(self):

370 '''Get the I{prefixed} C{class} name I{and/or} the name or C{""} (C{str}).

371 '''

372 return _xjoined_(classname(self, prefixed=True), self.name)

373

374 @Property_RO

375 def named4(self):

376 '''Get the C{package.module.class} name I{and/or} the name or C{""} (C{str}).

377 '''

378 return _xjoined_(_DOT_(self.__module__, self.__class__.__name__), self.name)

379

380 def rename(self, name):

381 '''Change the name.

382

383 @arg name: The new name (C{str}).

384

385 @return: The previous name (C{str}).

386 '''

387 m, n = self._name, str(name)

388 if n != m:

389 self._name = n

390 _update_attrs(self, *_Named_Property_ROs)

391 return m

392

393 @property_RO

394 def sizeof(self):

395 '''Get the current size in C{bytes} of this instance (C{int}).

396 '''

397 return _sizeof(self)

398

399 def toRepr(self, **unused): # PYCHOK no cover

400 '''Default C{repr(self)}.

401 '''

402 return repr(self)

403

404 def toStr(self, **unused): # PYCHOK no cover

405 '''Default C{str(self)}.

406 '''

407 return str(self)

408

409 @deprecated_method

410 def toStr2(self, **kwds): # PYCHOK no cover

411 '''DEPRECATED on 23.10.07, use method C{toRepr}.'''

412 return self.toRepr(**kwds)

413

414# def _unstr(self, which, *args, **kwds):

415# '''(INTERNAL) Return the string representation of a method

416# invokation of this instance: C{str(self).method(...)}

417#

418# @see: Function L{pygeodesy.unstr}.

419# '''

420# return _DOT_(self, unstr(which, *args, **kwds))

421

422 def _xnamed(self, inst, name=NN, force=False):

423 '''(INTERNAL) Set the instance' C{.name = self.name}.

424

425 @arg inst: The instance (C{_Named}).

426 @kwarg name: Optional name, overriding C{self.name} (C{str}).

427 @kwarg force: Force name change (C{bool}).

428

429 @return: The B{C{inst}}, named if not named before.

430 '''

431 return _xnamed(inst, name or self.name, force=force)

432

433 def _xrenamed(self, inst):

434 '''(INTERNAL) Rename the instance' C{.name = self.name}.

435

436 @arg inst: The instance (C{_Named}).

437

438 @return: The B{C{inst}}, named if not named before.

439

440 @raise TypeError: Not C{isinstance(B{inst}, _Named)}.

441 '''

442 if not isinstance(inst, _Named):

443 raise _IsnotError(_valid_, inst=inst)

444

445 inst.rename(self.name)

446 return inst

447

448_Named_Property_ROs = _allPropertiesOf_n(5, _Named, Property_RO) # PYCHOK once

449

450

451 class _NamedBase(_Named):

452 '''(INTERNAL) Base class with name.

453 '''

454 def __repr__(self):

455 '''Default C{repr(self)}.

456 '''

457 return self.toRepr()

458

459 def __str__(self):

460 '''Default C{str(self)}.

461 '''

462 return self.toStr()

463

464 def others(self, *other, **name_other_up):

465 '''Refined class comparison, invoked as C{.others(other)},

466 C{.others(name=other)} or C{.others(other, name='other')}.

467

468 @arg other: The other instance (any C{type}).

469 @kwarg name_other_up: Overriding C{name=other} and C{up=1}

470 keyword arguments.

471

472 @return: The B{C{other}} iff compatible with this instance's

473 C{class} or C{type}.

474

475 @raise TypeError: Mismatch of the B{C{other}} and this

476 instance's C{class} or C{type}.

477 '''

478 if other: # most common, just one arg B{C{other}}

479 other0 = other[0]

480 if isinstance(other0, self.__class__) or \

481 isinstance(self, other0.__class__):

482 return other0

483

484 other, name, up = _xother3(self, other, **name_other_up)

485 if isinstance(self, other.__class__) or \

486 isinstance(other, self.__class__):

487 return _xnamed(other, name)

488

489 raise _xotherError(self, other, name=name, up=up + 1)

490

491 def toRepr(self, **kwds): # PYCHOK expected

492 '''(INTERNAL) I{Could be overloaded}.

493

494 @kwarg kwds: Optional, C{toStr} keyword arguments.

495

496 @return: C{toStr}() with keyword arguments (as C{str}).

497 '''

498 t = lrstrip(self.toStr(**kwds))

499# if self.name:

500# t = NN(Fmt.EQUAL(name=repr(self.name)), sep, t)

501 return Fmt.PAREN(self.classname, t) # XXX (self.named, t)

502

503# def toRepr(self, **kwds)

504# if kwds:

505# s = NN.join(reprs((self,), **kwds))

506# else: # super().__repr__ only for Python 3+

507# s = super(self.__class__, self).__repr__()

508# return Fmt.PAREN(self.named, s) # clips(s)

509

510 def toStr(self, **kwds): # PYCHOK no cover

511 '''I{Must be overloaded}.'''

512 notOverloaded(self, **kwds)

513

514# def toStr(self, **kwds):

515# if kwds:

516# s = NN.join(strs((self,), **kwds))

517# else: # super().__str__ only for Python 3+

518# s = super(self.__class__, self).__str__()

519# return s

520

521 def _update(self, updated, *attrs, **setters):

522 '''(INTERNAL) Zap cached instance attributes and overwrite C{__dict__} or L{Property_RO} values.

523 '''

524 u = _update_all(self, *attrs) if updated else 0

525 if setters:

526 d = self.__dict__

527 # double-check that setters are Property_RO's

528 for n, v in setters.items():

529 if n in d or _hasProperty(self, n, Property_RO):

530 d[n] = v

531 else:

532 raise _AssertionError(n, v, txt=repr(self))

533 u += len(setters)

534 return u

535

536

537 class _NamedDict(ADict, _Named):

538 '''(INTERNAL) Named C{dict} with key I{and} attribute

539 access to the items.

540 '''

541 def __init__(self, *args, **kwds):

542 if args: # args override kwds

543 if len(args) != 1: # or not isinstance(args[0], dict)

544 t = unstr(self.classname, *args, **kwds) # PYCHOK no cover

545 raise _ValueError(args=len(args), txt=t)

546 kwds = _xkwds(dict(args[0]), **kwds)

547 n, kwds = _xkwds_pop2(kwds, name=NN)

548 if n:

549 _Named.name.fset(self, n) # see _Named.name

550 ADict.__init__(self, kwds)

551

552 def __delattr__(self, name):

553 '''Delete an attribute or item by B{C{name}}.

554 '''

555 if name in self: # in ADict.keys(self):

556 ADict.pop(self, name)

557 elif name in (_name_, _name):

558 # ADict.__setattr__(self, name, NN)

559 _Named.rename(self, NN)

560 else:

561 ADict.__delattr__(self, name)

562

563 def __getattr__(self, name):

564 '''Get the value of an item by B{C{name}}.

565 '''

566 try:

567 return self[name]

568 except KeyError:

569 if name == _name_:

570 return _Named.name.fget(self)

571 raise ADict._AttributeError(self, self._DOT_(name))

572

573 def __getitem__(self, key):

574 '''Get the value of an item by B{C{key}}.

575 '''

576 if key == _name_:

577 raise self._KeyError(key)

578 return ADict.__getitem__(self, key)

579

580 def _KeyError(self, key, *value): # PYCHOK no cover

581 '''(INTERNAL) Create a C{KeyError}.

582 '''

583 n = self.name or self.__class__.__name__

584 t = Fmt.SQUARE(n, key)

585 if value:

586 t = Fmt.EQUALSPACED(t, *value)

587 return _KeyError(t)

588

589 def __setattr__(self, name, value):

590 '''Set attribute or item B{C{name}} to B{C{value}}.

591 '''

592 if name in self: # in ADict.keys(self)

593 ADict.__setitem__(self, name, value) # self[name] = value

594 else:

595 ADict.__setattr__(self, name, value)

596

597 def __setitem__(self, key, value):

598 '''Set item B{C{key}} to B{C{value}}.

599 '''

600 if key == _name_:

601 raise self._KeyError(key, repr(value))

602 ADict.__setitem__(self, key, value)

603

604

605 class _NamedEnum(_NamedDict):

606 '''(INTERNAL) Enum-like C{_NamedDict} with attribute access

607 restricted to valid keys.

608 '''

609 _item_Classes = ()

610

611 def __init__(self, Class, *Classes, **name):

612 '''New C{_NamedEnum}.

613

614 @arg Class: Initial class or type acceptable as items

615 values (C{type}).

616 @arg Classes: Additional, acceptable classes or C{type}s.

617 '''

618 self._item_Classes = (Class,) + Classes

619 n = _xkwds_get(name, name=NN) or NN(Class.__name__, _s_)

620 if n and _xvalid(n, underOK=True):

621 _Named.name.fset(self, n) # see _Named.name

622

623 def __getattr__(self, name):

624 '''Get the value of an attribute or item by B{C{name}}.

625 '''

626 return _NamedDict.__getattr__(self, name)

627

628 def __repr__(self):

629 '''Default C{repr(self)}.

630 '''

631 return self.toRepr()

632

633 def __str__(self):

634 '''Default C{str(self)}.

635 '''

636 return self.toStr()

637

638 def _assert(self, **kwds):

639 '''(INTERNAL) Check attribute name against given, registered name.

640 '''

641 pypy = _isPyPy()

642 for n, v in kwds.items():

643 if isinstance(v, _LazyNamedEnumItem): # property

644 assert (n == v.name) if pypy else (n is v.name)

645 # assert not hasattr(self.__class__, n)

646 setattr(self.__class__, n, v)

647 elif isinstance(v, self._item_Classes): # PYCHOK no cover

648 assert self[n] is v and getattr(self, n) \

649 and self.find(v) == n

650 else:

651 raise _TypeError(v, name=n)

652

653 def find(self, item, dflt=None, all=False):

654 '''Find a registered item.

655

656 @arg item: The item to look for (any C{type}).

657 @kwarg dflt: Value to return if not found (any C{type}).

658 @kwarg all: Use C{True} to search I{all} items or C{False} only

659 the currently I{registered} ones (C{bool}).

660

661 @return: The B{C{item}}'s name if found (C{str}), or C{{dflt}}

662 if there is no such B{C{item}}.

663 '''

664 for k, v in self.items(all=all): # or ADict.items(self)

665 if v is item:

666 return k

667 return dflt

668

669 def get(self, name, dflt=None):

670 '''Get the value of a I{registered} item.

671

672 @arg name: The name of the item (C{str}).

673 @kwarg dflt: Value to return (any C{type}).

674

675 @return: The item with B{C{name}} if found, or B{C{dflt}} if

676 there is no I{registered} item with that B{C{name}}.

677 '''

678 # getattr needed to instantiate L{_LazyNamedEnumItem}

679 return getattr(self, name, dflt)

680

681 def items(self, all=False, asorted=False):

682 '''Yield all or only the I{registered} items.

683

684 @kwarg all: Use C{True} to yield I{all} items or C{False} for

685 only the currently I{registered} ones (C{bool}).

686 @kwarg asorted: If C{True}, yield the items in I{alphabetical,

687 case-insensitive} order (C{bool}).

688 '''

689 if all: # instantiate any remaining L{_LazyNamedEnumItem}

690 for n, p in tuple(self.__class__.__dict__.items()):

691 if isinstance(p, _LazyNamedEnumItem):

692 _ = getattr(self, n)

693 return itemsorted(self) if asorted else ADict.items(self)

694

695 def keys(self, **all_asorted):

696 '''Yield the name (C{str}) of I{all} or only the currently I{registered}

697 items, optionally sorted I{alphabetically, case-insensitively}.

698

699 @kwarg all_asorted: See method C{items}.

700 '''

701 for k, _ in self.items(**all_asorted):

702 yield k

703

704 def popitem(self):

705 '''Remove I{an, any} currently I{registed} item.

706

707 @return: The removed item.

708 '''

709 return self._zapitem(*ADict.popitem(self))

710

711 def register(self, item):

712 '''Registed one new item or I{all} or I{any} unregistered ones.

713

714 @arg item: The item (any C{type}) or B{I{all}} or B{C{any}}.

715

716 @return: The item name (C{str}) or C("all") or C{"any"}.

717

718 @raise NameError: An B{C{item}} with that name is already

719 registered the B{C{item}} has no or an

720 invalid name.

721

722 @raise TypeError: The B{C{item}} type invalid.

723 '''

724 if item is all or item is any:

725 _ = self.items(all=True)

726 n = item.__name__

727 else:

728 try:

729 n = item.name

730 if not (n and isstr(n) and isidentifier(n)):

731 raise ValueError()

732 except (AttributeError, ValueError, TypeError) as x:

733 raise _NameError(_DOT_(_item_, _name_), item, cause=x)

734 if n in self:

735 t = _SPACE_(_item_, self._DOT_(n), _exists_)

736 raise _NameError(t, txt=repr(item))

737 if not isinstance(item, self._item_Classes):

738 raise _TypesError(self._DOT_(n), item, *self._item_Classes)

739 self[n] = item

740 return n

741

742 def unregister(self, name_or_item):

743 '''Remove a I{registered} item.

744

745 @arg name_or_item: Name (C{str}) or the item (any C{type}).

746

747 @return: The unregistered item.

748

749 @raise AttributeError: No such B{C{item}}.

750

751 @raise NameError: No item with that B{C{name}}.

752 '''

753 if isstr(name_or_item):

754 name = name_or_item

755 else:

756 name = self.find(name_or_item, dflt=MISSING) # all=True?

757 if name is MISSING:

758 t = _SPACE_(_no_, 'such', self.classname, _item_)

759 raise _AttributeError(t, txt=repr(name_or_item))

760 try:

761 item = ADict.pop(self, name)

762 except KeyError:

763 raise _NameError(item=self._DOT_(name), txt=_doesn_t_exist_)

764 return self._zapitem(name, item)

765

766 pop = unregister

767

768 def toRepr(self, prec=6, fmt=Fmt.F, sep=_COMMANL_, **all_asorted): # PYCHOK _NamedDict, ADict

769 '''Like C{repr(dict)} but C{name}s optionally sorted and

770 C{floats} formatted by function L{pygeodesy.fstr}.

771 '''

772 t = ((self._DOT_(n), v) for n, v in self.items(**all_asorted))

773 return sep.join(pairs(t, prec=prec, fmt=fmt, sep=_COLONSPACE_))

774

775 def toStr(self, *unused, **all_asorted): # PYCHOK _NamedDict, ADict

776 '''Return a string with all C{name}s, optionally sorted.

777 '''

778 return self._DOT_(_COMMASPACEDOT_.join(self.keys(**all_asorted)))

779

780 def values(self, **all_asorted):

781 '''Yield the value (C{type}) of all or only the I{registered} items,

782 optionally sorted I{alphabetically} and I{case-insensitively}.

783

784 @kwarg all_asorted: See method C{items}.

785 '''

786 for _, v in self.items(**all_asorted):

787 yield v

788

789 def _zapitem(self, name, item):

790 # remove _LazyNamedEnumItem property value if still present

791 if self.__dict__.get(name, None) is item:

792 self.__dict__.pop(name) # [name] = None

793 item._enum = None

794 return item

795

796

797 class _LazyNamedEnumItem(property_RO): # XXX or descriptor?

798 '''(INTERNAL) Lazily instantiated L{_NamedEnumItem}.

799 '''

800 pass

801

802

803 def _lazyNamedEnumItem(name, *args, **kwds):

804 '''(INTERNAL) L{_LazyNamedEnumItem} property-like factory.

805

806 @see: Luciano Ramalho, "Fluent Python", O'Reilly, Example

807 19-24, 2016 p. 636 or Example 22-28, 2022 p. 869+

808 '''

809 def _fget(inst):

810 # assert isinstance(inst, _NamedEnum)

811 try: # get the item from the instance' __dict__

812 # item = inst.__dict__[name] # ... or ADict

813 item = inst[name]

814 except KeyError:

815 # instantiate an _NamedEnumItem, it self-registers

816 item = inst._Lazy(*args, **_xkwds(kwds, name=name))

817 # assert inst[name] is item # MUST be registered

818 # store the item in the instance' __dict__ ...

819 # inst.__dict__[name] = item # ... or update the

820 inst.update({name: item}) # ... ADict for Triaxials

821 # remove the property from the registry class, such that

822 # (a) the property no longer overrides the instance' item

823 # in inst.__dict__ and (b) _NamedEnum.items(all=True) only

824 # sees any un-instantiated ones yet to be instantiated

825 p = getattr(inst.__class__, name, None)

826 if isinstance(p, _LazyNamedEnumItem):

827 delattr(inst.__class__, name)

828 # assert isinstance(item, _NamedEnumItem)

829 return item

830

831 p = _LazyNamedEnumItem(_fget)

832 p.name = name

833 return p

834

835

836 class _NamedEnumItem(_NamedBase):

837 '''(INTERNAL) Base class for items in a C{_NamedEnum} registery.

838 '''

839 _enum = None

840

841# def __ne__(self, other): # XXX fails for Lcc.conic = conic!

842# '''Compare this and an other item.

843#

844# @return: C{True} if different, C{False} otherwise.

845# '''

846# return not self.__eq__(other)

847

848 @property_doc_(''' the I{registered} name (C{str}).''')

849 def name(self):

850 '''Get the I{registered} name (C{str}).

851 '''

852 return self._name

853

854 @name.setter # PYCHOK setter!

855 def name(self, name):

856 '''Set the name, unless already registered (C{str}).

857 '''

858 if self._enum:

859 raise _NameError(str(name), self, txt=_registered_) # XXX _TypeError

860 self._name = str(name)

861

862 def _register(self, enum, name):

863 '''(INTERNAL) Add this item as B{C{enum.name}}.

864

865 @note: Don't register if name is empty or doesn't

866 start with a letter.

867 '''

868 if name and _xvalid(name, underOK=True):

869 self.name = name

870 if name[:1].isalpha(): # '_...' not registered

871 enum.register(self)

872 self._enum = enum

873

874 def unregister(self):

875 '''Remove this instance from its C{_NamedEnum} registry.

876

877 @raise AssertionError: Mismatch of this and registered item.

878

879 @raise NameError: This item is unregistered.

880 '''

881 enum = self._enum

882 if enum and self.name and self.name in enum:

883 item = enum.unregister(self.name)

884 if item is not self:

885 t = _SPACE_(repr(item), _vs_, repr(self)) # PYCHOK no cover

886 raise _AssertionError(t)

887

888

889 class _NamedTuple(tuple, _Named):

890 '''(INTERNAL) Base for named C{tuple}s with both index I{and}

891 attribute name access to the items.

892

893 @note: This class is similar to Python's C{namedtuple},

894 but statically defined, lighter and limited.

895 '''

896 _Names_ = () # item names, non-identifier, no leading underscore

897 '''Tuple specifying the C{name} of each C{Named-Tuple} item.

898

899 @note: Specify at least 2 item names.

900 '''

901 _Units_ = () # .units classes

902 '''Tuple defining the C{units} of the value of each C{Named-Tuple} item.

903

904 @note: The C{len(_Units_)} must match C{len(_Names_)}.

905 '''

906 _validated = False # set to True I{per sub-class!}

907

908 def __new__(cls, arg, *args, **iteration_name):

909 '''New L{_NamedTuple} initialized with B{C{positional}} arguments.

910

911 @arg arg: Tuple items (C{tuple}, C{list}, ...) or first tuple

912 item of several more in other positional arguments.

913 @arg args: Tuple items (C{any}), all positional arguments.

914 @kwarg iteration_name: Only keyword arguments C{B{iteration}=None}

915 and C{B{name}=NN} are used, any other are

916 I{silently} ignored.

917

918 @raise LenError: Unequal number of positional arguments and

919 number of item C{_Names_} or C{_Units_}.

920

921 @raise TypeError: The C{_Names_} or C{_Units_} attribute is

922 not a C{tuple} of at least 2 items.

923

924 @raise ValueError: Item name is not a C{str} or valid C{identifier}

925 or starts with C{underscore}.

926 '''

927 n, args = len2(((arg,) + args) if args else arg)

928 self = tuple.__new__(cls, args)

929 if not self._validated:

930 self._validate()

931

932 N = len(self._Names_)

933 if n != N:

934 raise LenError(self.__class__, args=n, _Names_=N)

935

936 if iteration_name:

937 self._kwdself(**iteration_name)

938 return self

939

940 def __delattr__(self, name):

941 '''Delete an attribute by B{C{name}}.

942

943 @note: Items can not be deleted.

944 '''

945 if name in self._Names_:

946 raise _TypeError(_del_, _DOT_(self.classname, name), txt=_immutable_)

947 elif name in (_name_, _name):

948 _Named.__setattr__(self, name, NN) # XXX _Named.name.fset(self, NN)

949 else:

950 tuple.__delattr__(self, name)

951

952 def __getattr__(self, name):

953 '''Get the value of an attribute or item by B{C{name}}.

954 '''

955 try:

956 return tuple.__getitem__(self, self._Names_.index(name))

957 except IndexError:

958 raise _IndexError(_DOT_(self.classname, Fmt.ANGLE(_name_)), name)

959 except ValueError: # e.g. _iteration

960 return tuple.__getattribute__(self, name)

961

962# def __getitem__(self, index): # index, slice, etc.

963# '''Get the item(s) at an B{C{index}} or slice.

964# '''

965# return tuple.__getitem__(self, index)

966

967 def __hash__(self):

968 return tuple.__hash__(self)

969

970 def __repr__(self):

971 '''Default C{repr(self)}.

972 '''

973 return self.toRepr()

974

975 def __setattr__(self, name, value):

976 '''Set attribute or item B{C{name}} to B{C{value}}.

977 '''

978 if name in self._Names_:

979 raise _TypeError(_DOT_(self.classname, name), value, txt=_immutable_)

980 elif name in (_name_, _name):

981 _Named.__setattr__(self, name, value) # XXX _Named.name.fset(self, value)

982 else: # e.g. _iteration

983 tuple.__setattr__(self, name, value)

984

985 def __str__(self):

986 '''Default C{repr(self)}.

987 '''

988 return self.toStr()

989

990 def dup(self, name=NN, **items):

991 '''Duplicate this tuple replacing one or more items.

992

993 @kwarg name: Optional new name (C{str}).

994 @kwarg items: Items to be replaced (C{name=value} pairs), if any.

995

996 @return: A copy of this tuple with B{C{items}}.

997

998 @raise NameError: Some B{C{items}} invalid.

999 '''

1000 tl = list(self)

1001 if items:

1002 _ix = self._Names_.index

1003 try:

1004 for n, v in items.items():

1005 tl[_ix(n)] = v

1006 except ValueError: # bad item name

1007 raise _NameError(_DOT_(self.classname, n), v, this=self)

1008 return self.classof(*tl, name=name or self.name)

1009

1010 def items(self):

1011 '''Yield the items, each as a C{(name, value)} pair (C{2-tuple}).

1012

1013 @see: Method C{.units}.

1014 '''

1015 for n, v in _zip(self._Names_, self): # strict=True

1016 yield n, v

1017

1018 iteritems = items

1019

1020 def _kwdself(self, iteration=None, name=NN, **unused):

1021 '''(INTERNAL) Set C{__new__} keyword arguments.

1022 '''

1023 if iteration is not None:

1024 self._iteration = iteration

1025 if name:

1026 self.name = name

1027

1028 def toRepr(self, prec=6, sep=_COMMASPACE_, fmt=Fmt.F, **unused): # PYCHOK signature

1029 '''Return this C{Named-Tuple} items as C{name=value} string(s).

1030

1031 @kwarg prec: The C{float} precision, number of decimal digits (0..9).

1032 Trailing zero decimals are stripped for B{C{prec}} values

1033 of 1 and above, but kept for negative B{C{prec}} values.

1034 @kwarg sep: Separator to join (C{str}).

1035 @kwarg fmt: Optional C{float} format (C{letter}).

1036

1037 @return: Tuple items (C{str}).

1038 '''

1039 t = pairs(self.items(), prec=prec, fmt=fmt)

1040# if self.name:

1041# t = (Fmt.EQUAL(name=repr(self.name)),) + t

1042 return Fmt.PAREN(self.named, sep.join(t)) # XXX (self.classname, sep.join(t))

1043

1044 def toStr(self, prec=6, sep=_COMMASPACE_, fmt=Fmt.F, **unused): # PYCHOK signature

1045 '''Return this C{Named-Tuple} items as string(s).

1046

1047 @kwarg prec: The C{float} precision, number of decimal digits (0..9).

1048 Trailing zero decimals are stripped for B{C{prec}} values

1049 of 1 and above, but kept for negative B{C{prec}} values.

1050 @kwarg sep: Separator to join (C{str}).

1051 @kwarg fmt: Optional C{float} format (C{letter}).

1052

1053 @return: Tuple items (C{str}).

1054 '''

1055 return Fmt.PAREN(sep.join(reprs(self, prec=prec, fmt=fmt)))

1056

1057 def toUnits(self, Error=UnitError): # overloaded in .frechet, .hausdorff

1058 '''Return a copy of this C{Named-Tuple} with each item value wrapped

1059 as an instance of its L{units} class.

1060

1061 @kwarg Error: Error to raise for L{units} issues (C{UnitError}).

1062

1063 @return: A duplicate of this C{Named-Tuple} (C{C{Named-Tuple}}).

1064

1065 @raise Error: Invalid C{Named-Tuple} item or L{units} class.

1066 '''

1067 t = (v for _, v in self.units(Error=Error))

1068 return self.classof(*tuple(t))

1069

1070 def units(self, Error=UnitError):

1071 '''Yield the items, each as a C{(name, value}) pair (C{2-tuple}) with

1072 the value wrapped as an instance of its L{units} class.

1073

1074 @kwarg Error: Error to raise for L{units} issues (C{UnitError}).

1075

1076 @raise Error: Invalid C{Named-Tuple} item or L{units} class.

1077

1078 @see: Method C{.items}.

1079 '''

1080 for n, v, U in _zip(self._Names_, self, self._Units_): # strict=True

1081 if not (v is None or U is None

1082 or (isclass(U) and

1083 isinstance(v, U) and

1084 hasattr(v, _name_) and

1085 v.name == n)): # PYCHOK indent

1086 v = U(v, name=n, Error=Error)

1087 yield n, v

1088

1089 iterunits = units

1090

1091 def _validate(self, underOK=False): # see .EcefMatrix

1092 '''(INTERNAL) One-time check of C{_Names_} and C{_Units_}

1093 for each C{_NamedUnit} I{sub-class separately}.

1094 '''

1095 ns = self._Names_

1096 if not (isinstance(ns, tuple) and len(ns) > 1): # XXX > 0

1097 raise _TypeError(_DOT_(self.classname, _Names_), ns)

1098 for i, n in enumerate(ns):

1099 if not _xvalid(n, underOK=underOK):

1100 t = Fmt.SQUARE(_Names_=i) # PYCHOK no cover

1101 raise _ValueError(_DOT_(self.classname, t), n)

1102

1103 us = self._Units_

1104 if not isinstance(us, tuple):

1105 raise _TypeError(_DOT_(self.classname, _Units_), us)

1106 if len(us) != len(ns):

1107 raise LenError(self.__class__, _Units_=len(us), _Names_=len(ns))

1108 for i, u in enumerate(us):

1109 if not (u is None or callable(u)):

1110 t = Fmt.SQUARE(_Units_=i) # PYCHOK no cover

1111 raise _TypeError(_DOT_(self.classname, t), u)

1112

1113 self.__class__._validated = True

1114

1115 def _xtend(self, xTuple, *items, **name):

1116 '''(INTERNAL) Extend this C{Named-Tuple} with C{items} to an other B{C{xTuple}}.

1117 '''

1118 if (issubclassof(xTuple, _NamedTuple) and

1119 (len(self._Names_) + len(items)) == len(xTuple._Names_) and

1120 self._Names_ == xTuple._Names_[:len(self)]):

1121 return xTuple(self + items, **_xkwds(name, name=self.name)) # *(self + items)

1122 c = NN(self.classname, repr(self._Names_)) # PYCHOK no cover

1123 x = NN(xTuple.__name__, repr(xTuple._Names_)) # PYCHOK no cover

1124 raise TypeError(_SPACE_(c, _vs_, x))

1125

1126

1127 def callername(up=1, dflt=NN, source=False, underOK=False):

1128 '''Get the name of the invoking callable.

1129

1130 @kwarg up: Number of call stack frames up (C{int}).

1131 @kwarg dflt: Default return value (C{any}).

1132 @kwarg source: Include source file name and line number (C{bool}).

1133 @kwarg underOK: If C{True}, private, internal callables are OK,

1134 otherwise private callables are skipped (C{bool}).

1135

1136 @return: The callable name (C{str}) or B{C{dflt}} if none found.

1137 '''

1138 try: # see .lazily._caller3

1139 for u in range(up, up + 32):

1140 n, f, s = _caller3(u)

1141 if n and (underOK or n.startswith(_DUNDER_) or

1142 not n.startswith(_UNDER_)):

1143 if source:

1144 n = NN(n, _AT_, f, _COLON_, str(s))

1145 return n

1146 except (AttributeError, ValueError):

1147 pass

1148 return dflt

1149

1150

1151 def _callername2(args, callername=NN, source=False, underOK=False, up=2, **kwds):

1152 '''(INTERNAL) Extract C{callername}, C{source}, C{underOK} and C{up} from C{kwds}.

1153 '''

1154 n = callername or _MODS.named.callername(up=up + 1, source=source,

1155 underOK=underOK or bool(args or kwds))

1156 return n, kwds

1157

1158

1159 def _callname(name, class_name, self_name, up=1):

1160 '''(INTERNAL) Assemble the name for an invokation.

1161 '''

1162 n, c = class_name, callername(up=up + 1)

1163 if c:

1164 n = _DOT_(n, Fmt.PAREN(c, name))

1165 if self_name:

1166 n = _SPACE_(n, repr(self_name))

1167 return n

1168

1169

1170 def classname(inst, prefixed=None):

1171 '''Return the instance' class name optionally prefixed with the

1172 module name.

1173

1174 @arg inst: The object (any C{type}).

1175 @kwarg prefixed: Include the module name (C{bool}), see

1176 function C{classnaming}.

1177

1178 @return: The B{C{inst}}'s C{[module.]class} name (C{str}).

1179 '''

1180 if prefixed is None:

1181 prefixed = getattr(inst, classnaming.__name__, prefixed)

1182 return modulename(inst.__class__, prefixed=prefixed)

1183

1184

1185 def classnaming(prefixed=None):

1186 '''Get/set the default class naming for C{[module.]class} names.

1187

1188 @kwarg prefixed: Include the module name (C{bool}).

1189

1190 @return: Previous class naming setting (C{bool}).

1191 '''

1192 t = _Named._classnaming

1193 if prefixed in (True, False):

1194 _Named._classnaming = prefixed

1195 return t

1196

1197

1198 def modulename(clas, prefixed=None): # in .basics._xversion

1199 '''Return the class name optionally prefixed with the

1200 module name.

1201

1202 @arg clas: The class (any C{class}).

1203 @kwarg prefixed: Include the module name (C{bool}), see

1204 function C{classnaming}.

1205

1206 @return: The B{C{class}}'s C{[module.]class} name (C{str}).

1207 '''

1208 try:

1209 n = clas.__name__

1210 except AttributeError:

1211 n = '__name__' # _DUNDER_(NN, _name_, NN)

1212 if prefixed or (classnaming() if prefixed is None else False):

1213 try:

1214 m = clas.__module__.rsplit(_DOT_, 1)

1215 n = _DOT_.join(m[1:] + [n])

1216 except AttributeError:

1217 pass

1218 return n

1219

1220

1221 def nameof(inst):

1222 '''Get the name of an instance.

1223

1224 @arg inst: The object (any C{type}).

1225

1226 @return: The instance' name (C{str}) or C{""}.

1227 '''

1228 n = _xattr(inst, name=NN)

1229 if not n: # and isinstance(inst, property):

1230 try:

1231 n = inst.fget.__name__

1232 except AttributeError:

1233 n = NN

1234 return n

1235

1236

1237 def _notDecap(where):

1238 '''De-Capitalize C{where.__name__}.

1239 '''

1240 n = where.__name__

1241 c = n[3].lower() # len(_not_)

1242 return NN(n[:3], _SPACE_, c, n[4:])

1243

1244

1245 def _notError(inst, name, args, kwds): # PYCHOK no cover

1246 '''(INTERNAL) Format an error message.

1247 '''

1248 n = _DOT_(classname(inst, prefixed=True), _dunder_nameof(name, name))

1249 m = _COMMASPACE_.join(modulename(c, prefixed=True) for c in inst.__class__.__mro__[1:-1])

1250 return _COMMASPACE_(unstr(n, *args, **kwds), Fmt.PAREN(_MRO_, m))

1251

1252

1253 def _NotImplemented(inst, *other, **kwds):

1254 '''(INTERNAL) Raise a C{__special__} error or return C{NotImplemented},

1255 but only if env variable C{PYGEODESY_NOTIMPLEMENTED=std}.

1256 '''

1257 if _std_NotImplemented:

1258 return NotImplemented

1259 n, kwds = _callername2(other, **kwds) # source=True

1260 t = unstr(_DOT_(classname(inst), n), *other, **kwds)

1261 raise _NotImplementedError(t, txt=repr(inst))

1262

1263

1264 def notImplemented(inst, *args, **kwds): # PYCHOK no cover

1265 '''Raise a C{NotImplementedError} for a missing instance method or

1266 property or for a missing caller feature.

1267

1268 @arg inst: Instance (C{any}) or C{None} for caller.

1269 @arg args: Method or property positional arguments (any C{type}s).

1270 @arg kwds: Method or property keyword arguments (any C{type}s),

1271 except C{B{callername}=NN}, C{B{underOK}=False} and

1272 C{B{up}=2}.

1273 '''

1274 n, kwds = _callername2(args, **kwds)

1275 t = _notError(inst, n, args, kwds) if inst else unstr(n, *args, **kwds)

1276 raise _NotImplementedError(t, txt=_notDecap(notImplemented))

1277

1278

1279 def notOverloaded(inst, *args, **kwds): # PYCHOK no cover

1280 '''Raise an C{AssertionError} for a method or property not overloaded.

1281

1282 @arg inst: Instance (C{any}).

1283 @arg args: Method or property positional arguments (any C{type}s).

1284 @arg kwds: Method or property keyword arguments (any C{type}s),

1285 except C{B{callername}=NN}, C{B{underOK}=False} and

1286 C{B{up}=2}.

1287 '''

1288 n, kwds = _callername2(args, **kwds)

1289 t = _notError(inst, n, args, kwds)

1290 raise _AssertionError(t, txt=_notDecap(notOverloaded))

1291

1292

1293 def _Pass(arg, **unused): # PYCHOK no cover

1294 '''(INTERNAL) I{Pass-thru} class for C{_NamedTuple._Units_}.

1295 '''

1296 return arg

1297

1298

1299__all__ += _ALL_DOCS(_Named,

1300 _NamedBase, # _NamedDict,

1301 _NamedEnum, _NamedEnumItem,

1302 _NamedTuple)

1303

1304# **) MIT License

1305#

1306# Copyright (C) 2016-2024 -- mrJean1 at Gmail -- All Rights Reserved.

1307#

1308# Permission is hereby granted, free of charge, to any person obtaining a

1309# copy of this software and associated documentation files (the "Software"),

1310# to deal in the Software without restriction, including without limitation

1311# the rights to use, copy, modify, merge, publish, distribute, sublicense,

1312# and/or sell copies of the Software, and to permit persons to whom the

1313# Software is furnished to do so, subject to the following conditions:

1314#

1315# The above copyright notice and this permission notice shall be included

1316# in all copies or substantial portions of the Software.

1317#

1318# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

1319# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

1320# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

1321# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR

1322# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

1323# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

1324# OTHER DEALINGS IN THE SOFTWARE.