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, LenError, _NameError, \

20 _NotImplementedError, _TypeError, _TypesError, \

21 _ValueError, UnitError, _xattr, _xkwds, _xkwds_get, \

22 _xkwds_item2, _xkwds_pop2

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

24 _COMMASPACE_, _doesn_t_exist_, _DOT_, _DUNDER_, \

25 _EQUAL_, _EQUALSPACED_, _exists_, _immutable_, _name_, \

26 _NL_, _NN_, _not_, _other_, _s_, _SPACE_, _std_, \

27 _UNDER_, _valid_, _vs_, _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__ = '24.02.22'

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 not other and len(name_other) == 1

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, _OK=False):

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

95 '''

96 return True if (name and isstr(name)

97 and name != _name_

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

99 and (not iskeyword(name))

100 and isidentifier(name)) else False

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 an attribute or item by B{C{name}}.

111 '''

112 try:

113 return self[name]

114 except KeyError:

115 pass

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

117 raise _AttributeError(item=name, txt=_doesn_t_exist_)

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 @property_RO

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

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

132 C{None} if not available/applicable.

133 '''

134 return self._iteration

135

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

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

138

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

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

141 '''

142 if iteration is not None:

143 self._iteration = iteration

144 dict.update(self, items)

145 return self # in .rhumbBase.RhumbLineBase

146

147 def toRepr(self, **prec_fmt): # PYCHOK signature

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

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

150 '''

151 n = _xkwds_get(self, name=classname(self))

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

153

154 def toStr(self, **prec_fmt): # PYCHOK signature

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

156 function L{pygeodesy.fstr}.

157 '''

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

159

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

161 '''(INTERNAL) Helper for C{.toRepr} and C{.toStr}, also

162 in C{_NamedDict} below.

163 '''

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

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

166

167

168 class _Named(object):

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

170 '''

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

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

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

174# _updates = 0 # OBSOLETE Property/property updates

175

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

177 '''Not implemented.'''

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

179

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

181 '''Not implemented.'''

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

183

184 def __repr__(self):

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

186 '''

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

188

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

190 '''Not implemented.'''

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

192

193 def __str__(self):

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

195 '''

196 return self.named2

197

198 def attrs(self, *names, **sep_COMMASPACE__Nones_True__pairs_kwds):

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

200 function L{pygeodesy.fstr}.

201

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

203 @kwarg sep_COMMASPACE__Nones_True__pairs_kwds: Keyword argument for function

204 L{pygeodesy.pairs}, except C{B{sep}=", "} and C{B{Nones}=True} to

205 in- or exclude missing or C{None}-valued attributes.

206

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

208

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

210 '''

211 def _sep_kwds(sep=_COMMASPACE_, **kwds):

212 return sep, kwds

213

214 sep, kwds = _sep_kwds(**sep_COMMASPACE__Nones_True__pairs_kwds)

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

216

217 @Property_RO

218 def classname(self):

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

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

221 '''

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

223

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

225 def classnaming(self):

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

227 '''

228 return self._classnaming

229

230 @classnaming.setter # PYCHOK setter!

231 def classnaming(self, prefixed):

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

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

234 '''

235 b = bool(prefixed)

236 if self._classnaming != b:

237 self._classnaming = b

238 _update_attrs(self, *_Named_Property_ROs)

239

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

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

242

243 @arg args: Optional, positional arguments.

244 @kwarg kwds: Optional, keyword arguments.

245

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

247 '''

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

249

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

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

252

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

254 a shallow copy (C{bool}).

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

256

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

258 '''

259 c = _xcopy(self, deep=deep)

260 if name:

261 c.rename(name)

262 return c

263

264 def _DOT_(self, *names):

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

266 '''

267 return _DOT_(self.name, *names)

268

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

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

271

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

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

274

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

276

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

278 '''

279 n = self.name

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

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

282 if m != n:

283 d.rename(m)

284# if items:

285# _update_all(d)

286 return d

287

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

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

290 '''

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

292 return fmt, props, kwds

293

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

295

296 t = Fmt.EQUAL(_name_, repr(name or self.name)),

297 if attrs:

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

299 prec=prec, fmt=fmt, ints=True)

300 if props:

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

302 prec=prec, ints=True)

303 if kwds:

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

305 return _COMMASPACE_.join(t[1:] if name is None else t)

306

307 @property_RO

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

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

310 if not available or not applicable.

311

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

313 several, nested functions.

314 '''

315 return self._iteration

316

317 def methodname(self, which):

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

319

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

321 '''

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

323

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

325 def name(self):

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

327 '''

328 return self._name

329

330 @name.setter # PYCHOK setter!

331 def name(self, name):

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

333

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

335 '''

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

337 if not m:

338 self._name = n

339 elif n != m:

340 n = repr(n)

341 c = self.classname

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

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

344 n = _DOT_(c, _EQUALSPACED_(_name_, n))

345 n = _SPACE_(n, m)

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

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

348 # self.name = name or

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

350 # _Named(self).name = name

351

352 @Property_RO

353 def named(self):

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

355 '''

356 return self.name or self.classname

357

358 @Property_RO

359 def named2(self):

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

361 '''

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

363

364 @Property_RO

365 def named3(self):

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

367 '''

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

369

370 @Property_RO

371 def named4(self):

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

373 '''

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

375

376 def rename(self, name):

377 '''Change the name.

378

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

380

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

382 '''

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

384 if n != m:

385 self._name = n

386 _update_attrs(self, *_Named_Property_ROs)

387 return m

388

389 @property_RO

390 def sizeof(self):

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

392 '''

393 return _sizeof(self)

394

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

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

397 '''

398 return repr(self)

399

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

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

402 '''

403 return str(self)

404

405 @deprecated_method

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

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

408 return self.toRepr(**kwds)

409

410 def _unstr(self, which, *args, **kwds):

411 '''(INTERNAL) Return the string representation of a method

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

413

414 @see: Function L{pygeodesy.unstr}.

415 '''

416 n = _DOT_(self, which.__name__ if callable(which) else _NN_)

417 return unstr(n, *args, **kwds)

418

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

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

421

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

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

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

425

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

427 '''

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

429

430 def _xrenamed(self, inst):

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

432

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

434

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

436

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

438 '''

439 if not isinstance(inst, _Named):

440 raise _IsnotError(_valid_, inst=inst)

441

442 inst.rename(self.name)

443 return inst

444

445_Named_Property_ROs = _allPropertiesOf_n(5, _Named, Property_RO) # PYCHOK once

446

447

448 class _NamedBase(_Named):

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

450 '''

451 def __repr__(self):

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

453 '''

454 return self.toRepr()

455

456 def __str__(self):

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

458 '''

459 return self.toStr()

460

461# def notImplemented(self, attr):

462# '''Raise error for a missing method, function or attribute.

463#

464# @arg attr: Attribute name (C{str}).

465#

466# @raise NotImplementedError: No such attribute.

467# '''

468# c = self.__class__.__name__

469# return NotImplementedError(_DOT_(c, attr))

470

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

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

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

474

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

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

477 keyword arguments.

478

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

480 C{class} or C{type}.

481

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

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

484 '''

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

486 other0 = other[0]

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

488 isinstance(self, other0.__class__):

489 return other0

490

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

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

493 isinstance(other, self.__class__):

494 return _xnamed(other, name)

495

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

497

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

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

500

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

502

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

504 '''

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

506# if self.name:

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

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

509

510# def toRepr(self, **kwds)

511# if kwds:

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

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

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

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

516

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

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

519 notOverloaded(self, **kwds)

520

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

522# if kwds:

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

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

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

526# return s

527

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

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

530 '''

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

532 if setters:

533 d = self.__dict__

534 # double-check that setters are Property_RO's

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

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

537 d[n] = v

538 else:

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

540 u += len(setters)

541 return u

542

543

544 class _NamedDict(ADict, _Named):

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

546 access to the items.

547 '''

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

549 if args: # args override kwds

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

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

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

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

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

555 if n:

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

557 ADict.__init__(self, kwds)

558

559 def __delattr__(self, name):

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

561 '''

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

563 ADict.pop(name)

564 elif name in (_name_, _name):

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

566 _Named.rename(self, NN)

567 else:

568 ADict.__delattr__(self, name)

569

570 def __getattr__(self, name):

571 '''Get an attribute or item by B{C{name}}.

572 '''

573 try:

574 return self[name]

575 except KeyError:

576 if name == _name_:

577 return _Named.name.fget(self)

578 raise _AttributeError(item=self._DOT_(name), txt=_doesn_t_exist_)

579

580 def __getitem__(self, key):

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

582 '''

583 if key == _name_:

584 raise KeyError(Fmt.SQUARE(self.classname, key))

585 return ADict.__getitem__(self, key)

586

587 def __setattr__(self, name, value):

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

589 '''

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

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

592 else:

593 ADict.__setattr__(self, name, value)

594

595 def __setitem__(self, key, value):

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

597 '''

598 if key == _name_:

599 raise KeyError(_EQUAL_(Fmt.SQUARE(self.classname, key), repr(value)))

600 ADict.__setitem__(self, key, value)

601

602 def toRepr(self, **prec_fmt): # PYCHOK signature

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

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

605 '''

606 return Fmt.PAREN(self.name, self._toT(_EQUAL_, **prec_fmt))

607

608 def toStr(self, **prec_fmt): # PYCHOK signature

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

610 function L{pygeodesy.fstr}.

611 '''

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

613

614

615 class _NamedEnum(_NamedDict):

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

617 restricted to valid keys.

618 '''

619 _item_Classes = ()

620

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

622 '''New C{_NamedEnum}.

623

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

625 values (C{type}).

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

627 '''

628 self._item_Classes = (Class,) + Classes

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

630 if n and _xvalid(n, _OK=True):

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

632

633 def __getattr__(self, name):

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

635 '''

636 try:

637 return self[name]

638 except KeyError:

639 if name == _name_:

640 return _NamedDict.name.fget(self)

641 raise _AttributeError(item=self._DOT_(name), txt=_doesn_t_exist_)

642

643 def __repr__(self):

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

645 '''

646 return self.toRepr()

647

648 def __str__(self):

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

650 '''

651 return self.toStr()

652

653 def _assert(self, **kwds):

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

655 '''

656 pypy = _isPyPy()

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

658 if isinstance(v, _LazyNamedEnumItem): # property

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

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

661 setattr(self.__class__, n, v)

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

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

664 and self.find(v) == n

665 else:

666 raise _TypeError(v, name=n)

667

668 def find(self, item, dflt=None):

669 '''Find a registered item.

670

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

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

673

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

675 there is no such I{registered} B{C{item}}.

676 '''

677 for k, v in self.items(): # or ADict.items(self)

678 if v is item:

679 return k

680 return dflt

681

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

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

684

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

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

687

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

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

690 '''

691 # getattr needed to instantiate L{_LazyNamedEnumItem}

692 return getattr(self, name, dflt)

693

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

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

696

697 @kwarg all: Use C{True} to yield {all} items or C{False}

698 for only the currently I{registered} ones.

699 @kwarg asorted: If C{True}, yield the items sorted in

700 I{alphabetical, case-insensitive} order.

701 '''

702 if all: # instantiate any remaining L{_LazyNamedEnumItem} ...

703 # ... and remove the L{_LazyNamedEnumItem} from the class

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

705 if isinstance(p, _LazyNamedEnumItem)):

706 _ = getattr(self, n)

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

708

709 def keys(self, **all_asorted):

710 '''Yield the keys (C{str}) of all or only the I{registered} items,

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

712

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

714 '''

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

716 yield k

717

718 def popitem(self):

719 '''Remove I{an, any} curretly I{registed} item.

720

721 @return: The removed item.

722 '''

723 return self._zapitem(*ADict.pop(self))

724

725 def register(self, item):

726 '''Registed a new item.

727

728 @arg item: The item (any C{type}).

729

730 @return: The item name (C{str}).

731

732 @raise NameError: An B{C{item}} already registered with

733 that name or the B{C{item}} has no, an

734 empty or an invalid name.

735

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

737 '''

738 try:

739 n = item.name

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

741 raise ValueError

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

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

744 if n in self:

745 raise _NameError(self._DOT_(n), item, txt=_exists_)

746 if not (self._item_Classes and isinstance(item, self._item_Classes)):

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

748 self[n] = item

749

750 def unregister(self, name_or_item):

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

752

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

754

755 @return: The unregistered item.

756

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

758

759 @raise ValueError: No such item.

760 '''

761 if isstr(name_or_item):

762 name = name_or_item

763 else:

764 name = self.find(name_or_item)

765 try:

766 item = ADict.pop(self, name)

767 except KeyError:

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

769 return self._zapitem(name, item)

770

771 pop = unregister

772

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

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

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

776 '''

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

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

779

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

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

782 '''

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

784

785 def values(self, **all_asorted):

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

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

788

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

790 '''

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

792 yield v

793

794 def _zapitem(self, name, item):

795 # remove _LazyNamedEnumItem property value if still present

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

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

798 item._enum = None

799 return item

800

801

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

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

804 '''

805 pass

806

807

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

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

810

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

812 19-24, 2016 p. 636 or Example 22-28, 2022 p. 869+

813 '''

814 def _fget(inst):

815 # assert isinstance(inst, _NamedEnum)

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

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

818 item = inst[name]

819 except KeyError:

820 # instantiate an _NamedEnumItem, it self-registers

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

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

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

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

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

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

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

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

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

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

831 if isinstance(p, _LazyNamedEnumItem):

832 delattr(inst.__class__, name)

833 # assert isinstance(item, _NamedEnumItem)

834 return item

835

836 p = _LazyNamedEnumItem(_fget)

837 p.name = name

838 return p

839

840

841 class _NamedEnumItem(_NamedBase):

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

843 '''

844 _enum = None

845

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

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

848#

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

850# '''

851# return not self.__eq__(other)

852

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

854 def name(self):

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

856 '''

857 return self._name

858

859 @name.setter # PYCHOK setter!

860 def name(self, name):

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

862 '''

863 if self._enum:

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

865 self._name = str(name)

866

867 def _register(self, enum, name):

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

869

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

871 start with a letter.

872 '''

873 if name and _xvalid(name, _OK=True):

874 self.name = name

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

876 enum.register(self)

877 self._enum = enum

878

879 def unregister(self):

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

881

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

883

884 @raise NameError: This item is unregistered.

885 '''

886 enum = self._enum

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

888 item = enum.unregister(self.name)

889 if item is not self:

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

891 raise _AssertionError(t)

892

893

894 class _NamedTuple(tuple, _Named):

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

896 attribute name access to the items.

897

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

899 but statically defined, lighter and limited.

900 '''

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

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

903

904 @note: Specify at least 2 item names.

905 '''

906 _Units_ = () # .units classes

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

908

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

910 '''

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

912

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

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

915

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

917 item of several more in other positional arguments.

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

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

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

921 I{silently} ignored.

922

923 @raise LenError: Unequal number of positional arguments and

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

925

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

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

928

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

930 or starts with C{underscore}.

931 '''

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

933 self = tuple.__new__(cls, args)

934 if not self._validated:

935 self._validate()

936

937 N = len(self._Names_)

938 if n != N:

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

940

941 if iteration_name:

942 self._kwdself(**iteration_name)

943 return self

944

945 def __delattr__(self, name):

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

947

948 @note: Items can not be deleted.

949 '''

950 if name in self._Names_:

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

952 elif name in (_name_, _name):

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

954 else:

955 tuple.__delattr__(self, name)

956

957 def __getattr__(self, name):

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

959 '''

960 try:

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

962 except IndexError:

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

964 except ValueError: # e.g. _iteration

965 return tuple.__getattribute__(self, name)

966

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

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

969# '''

970# return tuple.__getitem__(self, index)

971

972 def __repr__(self):

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

974 '''

975 return self.toRepr()

976

977 def __setattr__(self, name, value):

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

979 '''

980 if name in self._Names_:

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

982 elif name in (_name_, _name):

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

984 else: # e.g. _iteration

985 tuple.__setattr__(self, name, value)

986

987 def __str__(self):

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

989 '''

990 return self.toStr()

991

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

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

994

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

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

997

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

999

1000 @raise NameError: Some B{C{items}} invalid.

1001 '''

1002 tl = list(self)

1003 if items:

1004 _ix = self._Names_.index

1005 try:

1006 for n, v in items.items():

1007 tl[_ix(n)] = v

1008 except ValueError: # bad item name

1009 raise _NameError(_DOT_(self.classname, n), v, this=self)

1010 return self.classof(*tl, name=name or self.name)

1011

1012 def items(self):

1013 '''Yield the items, each as a C{(name, value)} pair (C{2-tuple}).

1014

1015 @see: Method C{.units}.

1016 '''

1017 for n, v in _zip(self._Names_, self): # strict=True

1018 yield n, v

1019

1020 iteritems = items

1021

1022 def _kwdself(self, iteration=None, name=NN, **unused):

1023 '''(INTERNAL) Set C{__new__} keyword arguments.

1024 '''

1025 if iteration is not None:

1026 self._iteration = iteration

1027 if name:

1028 self.name = name

1029

1030 def toRepr(self, prec=6, sep=_COMMASPACE_, fmt=Fmt.F, **unused): # PYCHOK signature

1031 '''Return this C{Named-Tuple} items as C{name=value} string(s).

1032

1033 @kwarg prec: The C{float} precision, number of decimal digits (0..9).

1034 Trailing zero decimals are stripped for B{C{prec}} values

1035 of 1 and above, but kept for negative B{C{prec}} values.

1036 @kwarg sep: Separator to join (C{str}).

1037 @kwarg fmt: Optional C{float} format (C{letter}).

1038

1039 @return: Tuple items (C{str}).

1040 '''

1041 t = pairs(self.items(), prec=prec, fmt=fmt)

1042# if self.name:

1043# t = (Fmt.EQUAL(name=repr(self.name)),) + t

1044 return Fmt.PAREN(self.named, sep.join(t)) # XXX (self.classname, sep.join(t))

1045

1046 def toStr(self, prec=6, sep=_COMMASPACE_, fmt=Fmt.F, **unused): # PYCHOK signature

1047 '''Return this C{Named-Tuple} items as string(s).

1048

1049 @kwarg prec: The C{float} precision, number of decimal digits (0..9).

1050 Trailing zero decimals are stripped for B{C{prec}} values

1051 of 1 and above, but kept for negative B{C{prec}} values.

1052 @kwarg sep: Separator to join (C{str}).

1053 @kwarg fmt: Optional C{float} format (C{letter}).

1054

1055 @return: Tuple items (C{str}).

1056 '''

1057 return Fmt.PAREN(sep.join(reprs(self, prec=prec, fmt=fmt)))

1058

1059 def toUnits(self, Error=UnitError): # overloaded in .frechet, .hausdorff

1060 '''Return a copy of this C{Named-Tuple} with each item value wrapped

1061 as an instance of its L{units} class.

1062

1063 @kwarg Error: Error to raise for L{units} issues (C{UnitError}).

1064

1065 @return: A duplicate of this C{Named-Tuple} (C{C{Named-Tuple}}).

1066

1067 @raise Error: Invalid C{Named-Tuple} item or L{units} class.

1068 '''

1069 t = (v for _, v in self.units(Error=Error))

1070 return self.classof(*tuple(t))

1071

1072 def units(self, Error=UnitError):

1073 '''Yield the items, each as a C{(name, value}) pair (C{2-tuple}) with

1074 the value wrapped as an instance of its L{units} class.

1075

1076 @kwarg Error: Error to raise for L{units} issues (C{UnitError}).

1077

1078 @raise Error: Invalid C{Named-Tuple} item or L{units} class.

1079

1080 @see: Method C{.items}.

1081 '''

1082 for n, v, U in _zip(self._Names_, self, self._Units_): # strict=True

1083 if not (v is None or U is None

1084 or (isclass(U) and

1085 isinstance(v, U) and

1086 hasattr(v, _name_) and

1087 v.name == n)): # PYCHOK indent

1088 v = U(v, name=n, Error=Error)

1089 yield n, v

1090

1091 iterunits = units

1092

1093 def _validate(self, _OK=False): # see .EcefMatrix

1094 '''(INTERNAL) One-time check of C{_Names_} and C{_Units_}

1095 for each C{_NamedUnit} I{sub-class separately}.

1096 '''

1097 ns = self._Names_

1098 if not (isinstance(ns, tuple) and len(ns) > 1): # XXX > 0

1099 raise _TypeError(_DOT_(self.classname, _Names_), ns)

1100 for i, n in enumerate(ns):

1101 if not _xvalid(n, _OK=_OK):

1102 t = Fmt.SQUARE(_Names_=i) # PYCHOK no cover

1103 raise _ValueError(_DOT_(self.classname, t), n)

1104

1105 us = self._Units_

1106 if not isinstance(us, tuple):

1107 raise _TypeError(_DOT_(self.classname, _Units_), us)

1108 if len(us) != len(ns):

1109 raise LenError(self.__class__, _Units_=len(us), _Names_=len(ns))

1110 for i, u in enumerate(us):

1111 if not (u is None or callable(u)):

1112 t = Fmt.SQUARE(_Units_=i) # PYCHOK no cover

1113 raise _TypeError(_DOT_(self.classname, t), u)

1114

1115 self.__class__._validated = True

1116

1117 def _xtend(self, xTuple, *items, **name):

1118 '''(INTERNAL) Extend this C{Named-Tuple} with C{items} to an other B{C{xTuple}}.

1119 '''

1120 if (issubclassof(xTuple, _NamedTuple) and

1121 (len(self._Names_) + len(items)) == len(xTuple._Names_) and

1122 self._Names_ == xTuple._Names_[:len(self)]):

1123 return xTuple(self + items, **_xkwds(name, name=self.name)) # *(self + items)

1124 c = NN(self.classname, repr(self._Names_)) # PYCHOK no cover

1125 x = NN(xTuple.__name__, repr(xTuple._Names_)) # PYCHOK no cover

1126 raise TypeError(_SPACE_(c, _vs_, x))

1127

1128

1129 def callername(up=1, dflt=NN, source=False, underOK=False):

1130 '''Get the name of the invoking callable.

1131

1132 @kwarg up: Number of call stack frames up (C{int}).

1133 @kwarg dflt: Default return value (C{any}).

1134 @kwarg source: Include source file name and line number (C{bool}).

1135 @kwarg underOK: If C{True}, private, internal callables are OK,

1136 otherwise private callables are skipped (C{bool}).

1137

1138 @return: The callable name (C{str}) or B{C{dflt}} if none found.

1139 '''

1140 try: # see .lazily._caller3

1141 for u in range(up, up + 32):

1142 n, f, s = _caller3(u)

1143 if n and (underOK or n.startswith(_DUNDER_) or

1144 not n.startswith(_UNDER_)):

1145 if source:

1146 n = NN(n, _AT_, f, _COLON_, str(s))

1147 return n

1148 except (AttributeError, ValueError):

1149 pass

1150 return dflt

1151

1152

1153 def _callername2(args, callername=NN, source=False, underOK=False, up=2, **kwds):

1154 '''(INTERNAL) Extract C{callername}, C{source}, C{underOK} and C{up} from C{kwds}.

1155 '''

1156 n = callername or _MODS.named.callername(up=up + 1, source=source,

1157 underOK=underOK or bool(args or kwds))

1158 return n, kwds

1159

1160

1161 def _callname(name, class_name, self_name, up=1):

1162 '''(INTERNAL) Assemble the name for an invokation.

1163 '''

1164 n, c = class_name, callername(up=up + 1)

1165 if c:

1166 n = _DOT_(n, Fmt.PAREN(c, name))

1167 if self_name:

1168 n = _SPACE_(n, repr(self_name))

1169 return n

1170

1171

1172 def classname(inst, prefixed=None):

1173 '''Return the instance' class name optionally prefixed with the

1174 module name.

1175

1176 @arg inst: The object (any C{type}).

1177 @kwarg prefixed: Include the module name (C{bool}), see

1178 function C{classnaming}.

1179

1180 @return: The B{C{inst}}'s C{[module.]class} name (C{str}).

1181 '''

1182 if prefixed is None:

1183 prefixed = getattr(inst, classnaming.__name__, prefixed)

1184 return modulename(inst.__class__, prefixed=prefixed)

1185

1186

1187 def classnaming(prefixed=None):

1188 '''Get/set the default class naming for C{[module.]class} names.

1189

1190 @kwarg prefixed: Include the module name (C{bool}).

1191

1192 @return: Previous class naming setting (C{bool}).

1193 '''

1194 t = _Named._classnaming

1195 if prefixed in (True, False):

1196 _Named._classnaming = prefixed

1197 return t

1198

1199

1200 def modulename(clas, prefixed=None): # in .basics._xversion

1201 '''Return the class name optionally prefixed with the

1202 module name.

1203

1204 @arg clas: The class (any C{class}).

1205 @kwarg prefixed: Include the module name (C{bool}), see

1206 function C{classnaming}.

1207

1208 @return: The B{C{class}}'s C{[module.]class} name (C{str}).

1209 '''

1210 try:

1211 n = clas.__name__

1212 except AttributeError:

1213 n = '__name__' # _DUNDER_(NN, _name_, NN)

1214 if prefixed or (classnaming() if prefixed is None else False):

1215 try:

1216 m = clas.__module__.rsplit(_DOT_, 1)

1217 n = _DOT_.join(m[1:] + [n])

1218 except AttributeError:

1219 pass

1220 return n

1221

1222

1223 def nameof(inst):

1224 '''Get the name of an instance.

1225

1226 @arg inst: The object (any C{type}).

1227

1228 @return: The instance' name (C{str}) or C{""}.

1229 '''

1230 n = _xattr(inst, name=NN)

1231 if not n: # and isinstance(inst, property):

1232 try:

1233 n = inst.fget.__name__

1234 except AttributeError:

1235 n = NN

1236 return n

1237

1238

1239 def _notDecaps(where):

1240 '''De-Capitalize C{where.__name__}.

1241 '''

1242 n = where.__name__

1243 c = n[3].lower() # len(_not_)

1244 return NN(n[:3], _SPACE_, c, n[4:])

1245

1246

1247 def _notError(inst, name, args, kwds): # PYCHOK no cover

1248 '''(INTERNAL) Format an error message.

1249 '''

1250 n = _DOT_(classname(inst, prefixed=True), _dunder_nameof(name, name))

1251 m = _COMMASPACE_.join(modulename(c, prefixed=True) for c in inst.__class__.__mro__[1:-1])

1252 return _COMMASPACE_(unstr(n, *args, **kwds), Fmt.PAREN(_MRO_, m))

1253

1254

1255 def _NotImplemented(inst, *other, **kwds):

1256 '''(INTERNAL) Raise a C{__special__} error or return C{NotImplemented},

1257 but only if env variable C{PYGEODESY_NOTIMPLEMENTED=std}.

1258 '''

1259 if _std_NotImplemented:

1260 return NotImplemented

1261 n, kwds = _callername2(other, **kwds) # source=True

1262 t = unstr(_DOT_(classname(inst), n), *other, **kwds)

1263 raise _NotImplementedError(t, txt=repr(inst))

1264

1265

1266 def notImplemented(inst, *args, **kwds): # PYCHOK no cover

1267 '''Raise a C{NotImplementedError} for a missing instance method or

1268 property or for a missing caller feature.

1269

1270 @arg inst: Instance (C{any}) or C{None} for caller.

1271 @arg args: Method or property positional arguments (any C{type}s).

1272 @arg kwds: Method or property keyword arguments (any C{type}s),

1273 except C{B{callername}=NN}, C{B{underOK}=False} and

1274 C{B{up}=2}.

1275 '''

1276 n, kwds = _callername2(args, **kwds)

1277 t = _notError(inst, n, args, kwds) if inst else unstr(n, *args, **kwds)

1278 raise _NotImplementedError(t, txt=_notDecaps(notImplemented))

1279

1280

1281 def notOverloaded(inst, *args, **kwds): # PYCHOK no cover

1282 '''Raise an C{AssertionError} for a method or property not overloaded.

1283

1284 @arg inst: Instance (C{any}).

1285 @arg args: Method or property positional arguments (any C{type}s).

1286 @arg kwds: Method or property keyword arguments (any C{type}s),

1287 except C{B{callername}=NN}, C{B{underOK}=False} and

1288 C{B{up}=2}.

1289 '''

1290 n, kwds = _callername2(args, **kwds)

1291 t = _notError(inst, n, args, kwds)

1292 raise _AssertionError(t, txt=_notDecaps(notOverloaded))

1293

1294

1295 def _Pass(arg, **unused): # PYCHOK no cover

1296 '''(INTERNAL) I{Pass-thru} class for C{_NamedTuple._Units_}.

1297 '''

1298 return arg

1299

1300

1301__all__ += _ALL_DOCS(_Named,

1302 _NamedBase, # _NamedDict,

1303 _NamedEnum, _NamedEnumItem,

1304 _NamedTuple)

1305

1306# **) MIT License

1307#

1308# Copyright (C) 2016-2024 -- mrJean1 at Gmail -- All Rights Reserved.

1309#

1310# Permission is hereby granted, free of charge, to any person obtaining a

1311# copy of this software and associated documentation files (the "Software"),

1312# to deal in the Software without restriction, including without limitation

1313# the rights to use, copy, modify, merge, publish, distribute, sublicense,

1314# and/or sell copies of the Software, and to permit persons to whom the

1315# Software is furnished to do so, subject to the following conditions:

1316#

1317# The above copyright notice and this permission notice shall be included

1318# in all copies or substantial portions of the Software.

1319#

1320# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

1321# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

1322# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

1323# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR

1324# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

1325# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

1326# OTHER DEALINGS IN THE SOFTWARE.