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 len2, _sizeof, _xcopy, _xdup, _zip

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

19 _IndexError, _IsnotError, itemsorted, LenError, \

20 _NameError, _NotImplementedError, _TypeError, \

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

22 _xkwds_get, _xkwds_pop, _xkwds_popitem

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__ = '23.12.03'

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_popitem(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 _Dict(dict):

104 '''(INTERNAL) An C{dict} with both key I{and}

105 attribute access to 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} or sub-class thereof).

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} or sub-class thereof).

276

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

278 '''

279 n = self.name

280 m = _xkwds_pop(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, **props_kwds):

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

290 '''

291 def _props_kwds(props=(), **kwds):

292 return props, kwds

293

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

295 if attrs:

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

297 prec=prec, ints=True)

298 props, kwds =_props_kwds(**props_kwds)

299 if props:

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

301 prec=prec, ints=True)

302 if kwds:

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

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

305

306 @property_RO

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

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

309 if not available or not applicable.

310

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

312 several, nested functions.

313 '''

314 return self._iteration

315

316 def methodname(self, which):

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

318

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

320 '''

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

322

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

324 def name(self):

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

326 '''

327 return self._name

328

329 @name.setter # PYCHOK setter!

330 def name(self, name):

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

332

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

334 '''

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

336 if not m:

337 self._name = n

338 elif n != m:

339 n = repr(n)

340 c = self.classname

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

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

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

344 n = _SPACE_(n, m)

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

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

347 # self.name = name or

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

349 # _Named(self).name = name

350

351 @Property_RO

352 def named(self):

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

354 '''

355 return self.name or self.classname

356

357 @Property_RO

358 def named2(self):

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

360 '''

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

362

363 @Property_RO

364 def named3(self):

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

366 '''

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

368

369 @Property_RO

370 def named4(self):

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

372 '''

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

374

375 def rename(self, name):

376 '''Change the name.

377

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

379

380 @return: The old name (C{str}).

381 '''

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

383 if n != m:

384 self._name = n

385 _update_attrs(self, *_Named_Property_ROs)

386 return m

387

388 @property_RO

389 def sizeof(self):

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

391 '''

392 return _sizeof(self)

393

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

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

396 '''

397 return repr(self)

398

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

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

401 '''

402 return str(self)

403

404 @deprecated_method

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

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

407 return self.toRepr(**kwds)

408

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

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

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

412

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

414 '''

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

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

417

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

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

420

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

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

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

424

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

426 '''

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

428

429 def _xrenamed(self, inst):

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

431

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

433

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

435

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

437 '''

438 if not isinstance(inst, _Named):

439 raise _IsnotError(_valid_, inst=inst)

440

441 inst.rename(self.name)

442 return inst

443

444_Named_Property_ROs = _allPropertiesOf_n(5, _Named, Property_RO) # PYCHOK once

445

446

447 class _NamedBase(_Named):

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

449 '''

450 def __repr__(self):

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

452 '''

453 return self.toRepr()

454

455 def __str__(self):

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

457 '''

458 return self.toStr()

459

460# def notImplemented(self, attr):

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

462#

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

464#

465# @raise NotImplementedError: No such attribute.

466# '''

467# c = self.__class__.__name__

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

469

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

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

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

473

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

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

476 keyword arguments.

477

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

479 C{class} or C{type}.

480

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

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

483 '''

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

485 other0 = other[0]

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

487 isinstance(self, other0.__class__):

488 return other0

489

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

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

492 isinstance(other, self.__class__):

493 return _xnamed(other, name)

494

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

496

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

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

499

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

501

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

503 '''

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

505# if self.name:

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

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

508

509# def toRepr(self, **kwds)

510# if kwds:

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

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

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

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

515

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

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

518 notOverloaded(self, **kwds)

519

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

521# if kwds:

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

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

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

525# return s

526

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

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

529 '''

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

531 if setters:

532 d = self.__dict__

533 # double-check that setters are Property_RO's

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

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

536 d[n] = v

537 else:

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

539 u += len(setters)

540 return u

541

542

543 class _NamedDict(_Dict, _Named):

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

545 access to the items.

546 '''

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

548 if args: # args override kwds

549 if len(args) != 1:

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

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

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

553 if _name_ in kwds:

554 _Named.name.fset(self, kwds.pop(_name_)) # see _Named.name

555 _Dict.__init__(self, kwds)

556

557 def __delattr__(self, name):

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

559 '''

560 if name in _Dict.keys(self):

561 _Dict.pop(name)

562 elif name in (_name_, _name):

563 # _Dict.__setattr__(self, name, NN)

564 _Named.rename(self, NN)

565 else:

566 _Dict.__delattr__(self, name)

567

568 def __getattr__(self, name):

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

570 '''

571 try:

572 return self[name]

573 except KeyError:

574 if name == _name_:

575 return _Named.name.fget(self)

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

577

578 def __getitem__(self, key):

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

580 '''

581 if key == _name_:

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

583 return _Dict.__getitem__(self, key)

584

585 def __setattr__(self, name, value):

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

587 '''

588 if name in _Dict.keys(self):

589 _Dict.__setitem__(self, name, value) # self[name] = value

590 else:

591 _Dict.__setattr__(self, name, value)

592

593 def __setitem__(self, key, value):

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

595 '''

596 if key == _name_:

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

598 _Dict.__setitem__(self, key, value)

599

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

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

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

603 '''

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

605

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

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

608 function L{pygeodesy.fstr}.

609 '''

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

611

612

613 class _NamedEnum(_NamedDict):

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

615 restricted to valid keys.

616 '''

617 _item_Classes = ()

618

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

620 '''New C{_NamedEnum}.

621

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

623 values (C{type}).

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

625 '''

626 self._item_Classes = (Class,) + Classes

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

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

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

630

631 def __getattr__(self, name):

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

633 '''

634 try:

635 return self[name]

636 except KeyError:

637 if name == _name_:

638 return _NamedDict.name.fget(self)

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

640

641 def __repr__(self):

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

643 '''

644 return self.toRepr()

645

646 def __str__(self):

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

648 '''

649 return self.toStr()

650

651 def _assert(self, **kwds):

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

653 '''

654 pypy = _isPyPy()

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

656 if isinstance(v, _LazyNamedEnumItem): # property

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

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

659 setattr(self.__class__, n, v)

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

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

662 and self.find(v) == n

663 else:

664 raise _TypeError(v, name=n)

665

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

667 '''Find a registered item.

668

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

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

671

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

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

674 '''

675 for k, v in self.items(): # or _Dict.items(self)

676 if v is item:

677 return k

678 return dflt

679

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

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

682

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

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

685

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

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

688 '''

689 # getattr needed to instantiate L{_LazyNamedEnumItem}

690 return getattr(self, name, dflt)

691

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

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

694

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

696 for only the currently I{registered} ones.

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

698 I{alphabetical, case-insensitive} order.

699 '''

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

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

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

703 if isinstance(p, _LazyNamedEnumItem)):

704 _ = getattr(self, n)

705 return itemsorted(self) if asorted else _Dict.items(self)

706

707 def keys(self, **all_asorted):

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

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

710

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

712 '''

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

714 yield k

715

716 def popitem(self):

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

718

719 @return: The removed item.

720 '''

721 return self._zapitem(*_Dict.pop(self))

722

723 def register(self, item):

724 '''Registed a new item.

725

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

727

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

729

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

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

732 empty or an invalid name.

733

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

735 '''

736 try:

737 n = item.name

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

739 raise ValueError

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

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

742 if n in self:

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

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

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

746 self[n] = item

747

748 def unregister(self, name_or_item):

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

750

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

752

753 @return: The unregistered item.

754

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

756

757 @raise ValueError: No such item.

758 '''

759 if isstr(name_or_item):

760 name = name_or_item

761 else:

762 name = self.find(name_or_item)

763 try:

764 item = _Dict.pop(self, name)

765 except KeyError:

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

767 return self._zapitem(name, item)

768

769 pop = unregister

770

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

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

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

774 '''

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

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

777

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

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

780 '''

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

782

783 def values(self, **all_asorted):

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

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

786

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

788 '''

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

790 yield v

791

792 def _zapitem(self, name, item):

793 # remove _LazyNamedEnumItem property value if still present

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

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

796 item._enum = None

797 return item

798

799

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

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

802 '''

803 pass

804

805

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

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

808

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

810 19-24, 2016 p. 636 or Example 22-28, 2022 p. 869+

811 '''

812 def _fget(inst):

813 # assert isinstance(inst, _NamedEnum)

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

815 # item = inst.__dict__[name] # ... or _Dict

816 item = inst[name]

817 except KeyError:

818 # instantiate an _NamedEnumItem, it self-registers

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

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

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

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

823 inst.update({name: item}) # ... _Dict for Triaxials

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

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

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

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

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

829 if isinstance(p, _LazyNamedEnumItem):

830 delattr(inst.__class__, name)

831 # assert isinstance(item, _NamedEnumItem)

832 return item

833

834 p = _LazyNamedEnumItem(_fget)

835 p.name = name

836 return p

837

838

839 class _NamedEnumItem(_NamedBase):

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

841 '''

842 _enum = None

843

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

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

846#

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

848# '''

849# return not self.__eq__(other)

850

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

852 def name(self):

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

854 '''

855 return self._name

856

857 @name.setter # PYCHOK setter!

858 def name(self, name):

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

860 '''

861 if self._enum:

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

863 self._name = str(name)

864

865 def _register(self, enum, name):

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

867

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

869 start with a letter.

870 '''

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

872 self.name = name

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

874 enum.register(self)

875 self._enum = enum

876

877 def unregister(self):

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

879

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

881

882 @raise NameError: This item is unregistered.

883 '''

884 enum = self._enum

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

886 item = enum.unregister(self.name)

887 if item is not self:

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

889 raise _AssertionError(t)

890

891

892 class _NamedTuple(tuple, _Named):

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

894 attribute name access to the items.

895

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

897 but statically defined, lighter and limited.

898 '''

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

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

901

902 @note: Specify at least 2 item names.

903 '''

904 _Units_ = () # .units classes

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

906

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

908 '''

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

910

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

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

913

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

915 item of several more in other positional arguments.

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

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

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

919 I{silently} ignored.

920

921 @raise LenError: Unequal number of positional arguments and

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

923

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

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

926

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

928 or starts with C{underscore}.

929 '''

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

931 self = tuple.__new__(cls, args)

932 if not self._validated:

933 self._validate()

934

935 N = len(self._Names_)

936 if n != N:

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

938

939 if iteration_name:

940 self._kwdself(**iteration_name)

941 return self

942

943 def __delattr__(self, name):

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

945

946 @note: Items can not be deleted.

947 '''

948 if name in self._Names_:

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

950 elif name in (_name_, _name):

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

952 else:

953 tuple.__delattr__(self, name)

954

955 def __getattr__(self, name):

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

957 '''

958 try:

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

960 except IndexError:

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

962 except ValueError: # e.g. _iteration

963 return tuple.__getattribute__(self, name)

964

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

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

967# '''

968# return tuple.__getitem__(self, index)

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{str}).

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{str}).

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, _OK=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, _OK=_OK):

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 _notDecaps(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=_notDecaps(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=_notDecaps(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.