How to use fractions method in hypothesis
Best Python code snippet using hypothesis
test_framerate.py
Source:test_framerate.py 
1import collections2import dataclasses3import fractions4import unittest5import vtc6from typing import Optional, Type, Union, Tuple, List, NamedTuple7# We'll use this to set up our test cases.8@dataclasses.dataclass9class FramerateParseCase:10 source: Union[vtc.FramerateSource, bytes, Tuple[int, int, int]]11 ntsc_arg: Optional[bool] = None12 expected_playback: Optional[fractions.Fraction] = None13 expected_timebase: Optional[fractions.Fraction] = None14 expected_drop_frame: bool = False15 expected_ntsc: bool = False16 expected_error: Optional[Type[BaseException]] = None17 expected_error_text: str = ""18 def __str__(self) -> str:19 return f"{repr(self.source)} -> {self.expected_playback}"20class TestTimebaseBasics(unittest.TestCase):21 def test_timebase_parse(self) -> None:22 cases = [23 # 23.976 ---------24 # ----------------25 FramerateParseCase(26 source="23.976",27 expected_playback=fractions.Fraction(24000, 1001),28 expected_timebase=fractions.Fraction(24, 1),29 expected_ntsc=True,30 ),31 FramerateParseCase(32 source=23.976,33 expected_playback=fractions.Fraction(24000, 1001),34 expected_timebase=fractions.Fraction(24, 1),35 expected_ntsc=True,36 ),37 FramerateParseCase(38 source="23.98",39 expected_playback=fractions.Fraction(24000, 1001),40 expected_timebase=fractions.Fraction(24, 1),41 expected_ntsc=True,42 ),43 FramerateParseCase(44 source=23.98,45 expected_playback=fractions.Fraction(24000, 1001),46 expected_timebase=fractions.Fraction(24, 1),47 expected_ntsc=True,48 ),49 FramerateParseCase(50 source=fractions.Fraction(24000, 1001),51 expected_playback=fractions.Fraction(24000, 1001),52 expected_timebase=fractions.Fraction(24, 1),53 expected_ntsc=True,54 ),55 FramerateParseCase(56 source=fractions.Fraction(1001, 24000),57 expected_playback=fractions.Fraction(24000, 1001),58 expected_timebase=fractions.Fraction(24, 1),59 expected_ntsc=True,60 ),61 FramerateParseCase(62 source=(24000, 1001),63 expected_playback=fractions.Fraction(24000, 1001),64 expected_timebase=fractions.Fraction(24, 1),65 expected_ntsc=True,66 ),67 FramerateParseCase(68 source=(1001, 24000),69 expected_playback=fractions.Fraction(24000, 1001),70 expected_timebase=fractions.Fraction(24, 1),71 expected_ntsc=True,72 ),73 FramerateParseCase(74 source="24000/1001",75 expected_playback=fractions.Fraction(24000, 1001),76 expected_timebase=fractions.Fraction(24, 1),77 expected_ntsc=True,78 ),79 FramerateParseCase(80 source="1001/24000",81 expected_playback=fractions.Fraction(24000, 1001),82 expected_timebase=fractions.Fraction(24, 1),83 expected_ntsc=True,84 ),85 FramerateParseCase(86 source=vtc.Framerate("24000/1001"),87 expected_playback=fractions.Fraction(24000, 1001),88 expected_timebase=fractions.Fraction(24, 1),89 expected_ntsc=True,90 ),91 # NTSC = False should explicitly set the timebase to the same value.92 FramerateParseCase(93 source=fractions.Fraction(24000, 1001),94 ntsc_arg=False,95 expected_playback=fractions.Fraction(24000, 1001),96 expected_timebase=fractions.Fraction(24000, 1001),97 expected_ntsc=False,98 ),99 # 24.0 -----------100 # ----------------101 FramerateParseCase(102 source="24.0",103 expected_playback=fractions.Fraction(24, 1),104 expected_timebase=fractions.Fraction(24, 1),105 ),106 FramerateParseCase(107 source=24.0,108 expected_playback=fractions.Fraction(24, 1),109 expected_timebase=fractions.Fraction(24, 1),110 ),111 FramerateParseCase(112 source="24",113 expected_playback=fractions.Fraction(24, 1),114 expected_timebase=fractions.Fraction(24, 1),115 ),116 FramerateParseCase(117 source=24,118 expected_playback=fractions.Fraction(24, 1),119 expected_timebase=fractions.Fraction(24, 1),120 ),121 FramerateParseCase(122 source=fractions.Fraction(24, 1),123 expected_playback=fractions.Fraction(24, 1),124 expected_timebase=fractions.Fraction(24, 1),125 ),126 FramerateParseCase(127 source=fractions.Fraction(1, 24),128 expected_playback=fractions.Fraction(24, 1),129 expected_timebase=fractions.Fraction(24, 1),130 ),131 FramerateParseCase(132 source=(24, 1),133 expected_playback=fractions.Fraction(24, 1),134 expected_timebase=fractions.Fraction(24, 1),135 ),136 FramerateParseCase(137 source=(1, 24),138 expected_playback=fractions.Fraction(24, 1),139 expected_timebase=fractions.Fraction(24, 1),140 ),141 FramerateParseCase(142 source="24/1",143 expected_playback=fractions.Fraction(24, 1),144 expected_timebase=fractions.Fraction(24, 1),145 ),146 FramerateParseCase(147 source="1/24",148 expected_playback=fractions.Fraction(24, 1),149 expected_timebase=fractions.Fraction(24, 1),150 ),151 FramerateParseCase(152 source=vtc.Framerate("24/1"),153 expected_playback=fractions.Fraction(24, 1),154 expected_timebase=fractions.Fraction(24, 1),155 ),156 # 29.97 ----------157 # ----------------158 FramerateParseCase(159 source="29.97",160 expected_playback=fractions.Fraction(30000, 1001),161 expected_timebase=fractions.Fraction(30, 1),162 expected_ntsc=True,163 ),164 FramerateParseCase(165 source=29.97,166 expected_playback=fractions.Fraction(30000, 1001),167 expected_timebase=fractions.Fraction(30, 1),168 expected_ntsc=True,169 ),170 FramerateParseCase(171 source="29.97",172 expected_playback=fractions.Fraction(30000, 1001),173 expected_timebase=fractions.Fraction(30, 1),174 expected_ntsc=True,175 ),176 FramerateParseCase(177 source="29.97",178 expected_playback=fractions.Fraction(30000, 1001),179 expected_timebase=fractions.Fraction(30, 1),180 expected_ntsc=True,181 ),182 FramerateParseCase(183 source="29.97",184 expected_playback=fractions.Fraction(30000, 1001),185 expected_timebase=fractions.Fraction(30, 1),186 expected_drop_frame=True,187 expected_ntsc=True,188 ),189 FramerateParseCase(190 source="29.97",191 expected_playback=fractions.Fraction(30000, 1001),192 expected_timebase=fractions.Fraction(30, 1),193 expected_drop_frame=True,194 expected_ntsc=True,195 ),196 FramerateParseCase(197 source=fractions.Fraction(30000, 1001),198 expected_playback=fractions.Fraction(30000, 1001),199 expected_timebase=fractions.Fraction(30, 1),200 expected_ntsc=True,201 ),202 FramerateParseCase(203 source=fractions.Fraction(1001, 30000),204 expected_playback=fractions.Fraction(30000, 1001),205 expected_timebase=fractions.Fraction(30, 1),206 expected_ntsc=True,207 ),208 FramerateParseCase(209 source=(30000, 1001),210 expected_playback=fractions.Fraction(30000, 1001),211 expected_timebase=fractions.Fraction(30, 1),212 expected_ntsc=True,213 ),214 FramerateParseCase(215 source=(1001, 30000),216 expected_playback=fractions.Fraction(30000, 1001),217 expected_timebase=fractions.Fraction(30, 1),218 expected_ntsc=True,219 ),220 FramerateParseCase(221 source="30000/1001",222 expected_playback=fractions.Fraction(30000, 1001),223 expected_timebase=fractions.Fraction(30, 1),224 expected_ntsc=True,225 ),226 FramerateParseCase(227 source="1001/30000",228 expected_playback=fractions.Fraction(30000, 1001),229 expected_timebase=fractions.Fraction(30, 1),230 expected_ntsc=True,231 ),232 FramerateParseCase(233 source=vtc.Framerate("30000/1001"),234 expected_playback=fractions.Fraction(30000, 1001),235 expected_timebase=fractions.Fraction(30, 1),236 expected_ntsc=True,237 ),238 # Passing an explicit false to ntsc should lead to a false result.239 FramerateParseCase(240 source="30000/1001",241 ntsc_arg=False,242 expected_playback=fractions.Fraction(30000, 1001),243 expected_timebase=fractions.Fraction(30000, 1001),244 expected_ntsc=False,245 ),246 # 30.0 -----------247 # ----------------248 FramerateParseCase(249 source="30",250 expected_playback=fractions.Fraction(30, 1),251 expected_timebase=fractions.Fraction(30, 1),252 ),253 FramerateParseCase(254 source=30,255 expected_playback=fractions.Fraction(30, 1),256 expected_timebase=fractions.Fraction(30, 1),257 ),258 FramerateParseCase(259 source="30.0",260 expected_playback=fractions.Fraction(30, 1),261 expected_timebase=fractions.Fraction(30, 1),262 ),263 FramerateParseCase(264 source=30.0,265 expected_playback=fractions.Fraction(30, 1),266 expected_timebase=fractions.Fraction(30, 1),267 ),268 FramerateParseCase(269 source=fractions.Fraction(30, 1),270 expected_playback=fractions.Fraction(30, 1),271 expected_timebase=fractions.Fraction(30, 1),272 ),273 FramerateParseCase(274 source=fractions.Fraction(1, 30),275 expected_playback=fractions.Fraction(30, 1),276 expected_timebase=fractions.Fraction(30, 1),277 ),278 FramerateParseCase(279 source=(30, 1),280 expected_playback=fractions.Fraction(30, 1),281 expected_timebase=fractions.Fraction(30, 1),282 ),283 FramerateParseCase(284 source=(1, 30),285 expected_playback=fractions.Fraction(30, 1),286 expected_timebase=fractions.Fraction(30, 1),287 ),288 FramerateParseCase(289 source="30/1",290 expected_playback=fractions.Fraction(30, 1),291 expected_timebase=fractions.Fraction(30, 1),292 ),293 FramerateParseCase(294 source="1/30",295 expected_playback=fractions.Fraction(30, 1),296 expected_timebase=fractions.Fraction(30, 1),297 ),298 FramerateParseCase(299 source=vtc.Framerate("30/1"),300 expected_playback=fractions.Fraction(30, 1),301 expected_timebase=fractions.Fraction(30, 1),302 ),303 # 47.95 ----------304 # ----------------305 FramerateParseCase(306 source="47.95",307 expected_playback=fractions.Fraction(48000, 1001),308 expected_timebase=fractions.Fraction(48, 1),309 expected_ntsc=True,310 ),311 FramerateParseCase(312 source=47.95,313 expected_playback=fractions.Fraction(48000, 1001),314 expected_timebase=fractions.Fraction(48, 1),315 expected_ntsc=True,316 ),317 FramerateParseCase(318 source=fractions.Fraction(48000, 1001),319 expected_playback=fractions.Fraction(48000, 1001),320 expected_timebase=fractions.Fraction(48, 1),321 expected_ntsc=True,322 ),323 FramerateParseCase(324 source=fractions.Fraction(1001, 48000),325 expected_playback=fractions.Fraction(48000, 1001),326 expected_timebase=fractions.Fraction(48, 1),327 expected_ntsc=True,328 ),329 FramerateParseCase(330 source=(48000, 1001),331 expected_playback=fractions.Fraction(48000, 1001),332 expected_timebase=fractions.Fraction(48, 1),333 expected_ntsc=True,334 ),335 FramerateParseCase(336 source=(1001, 48000),337 expected_playback=fractions.Fraction(48000, 1001),338 expected_timebase=fractions.Fraction(48, 1),339 expected_ntsc=True,340 ),341 FramerateParseCase(342 source="48000/1001",343 expected_playback=fractions.Fraction(48000, 1001),344 expected_timebase=fractions.Fraction(48, 1),345 expected_ntsc=True,346 ),347 FramerateParseCase(348 source="1001/48000",349 expected_playback=fractions.Fraction(48000, 1001),350 expected_timebase=fractions.Fraction(48, 1),351 expected_ntsc=True,352 ),353 FramerateParseCase(354 source=vtc.Framerate("48000/1001"),355 expected_playback=fractions.Fraction(48000, 1001),356 expected_timebase=fractions.Fraction(48, 1),357 expected_ntsc=True,358 ),359 # 48.0 -----------360 # ----------------361 FramerateParseCase(362 source="48",363 expected_playback=fractions.Fraction(48, 1),364 expected_timebase=fractions.Fraction(48, 1),365 ),366 FramerateParseCase(367 source=48,368 expected_playback=fractions.Fraction(48, 1),369 expected_timebase=fractions.Fraction(48, 1),370 ),371 FramerateParseCase(372 source=48.0,373 expected_playback=fractions.Fraction(48, 1),374 expected_timebase=fractions.Fraction(48, 1),375 ),376 FramerateParseCase(377 source=fractions.Fraction(48, 1),378 expected_playback=fractions.Fraction(48, 1),379 expected_timebase=fractions.Fraction(48, 1),380 ),381 FramerateParseCase(382 source=fractions.Fraction(1, 48),383 expected_playback=fractions.Fraction(48, 1),384 expected_timebase=fractions.Fraction(48, 1),385 ),386 FramerateParseCase(387 source=(48, 1),388 expected_playback=fractions.Fraction(48, 1),389 expected_timebase=fractions.Fraction(48, 1),390 ),391 FramerateParseCase(392 source=(1, 48),393 expected_playback=fractions.Fraction(48, 1),394 expected_timebase=fractions.Fraction(48, 1),395 ),396 FramerateParseCase(397 source="48/1",398 expected_playback=fractions.Fraction(48, 1),399 expected_timebase=fractions.Fraction(48, 1),400 ),401 FramerateParseCase(402 source="1/48",403 expected_playback=fractions.Fraction(48, 1),404 expected_timebase=fractions.Fraction(48, 1),405 ),406 FramerateParseCase(407 source=vtc.Framerate("48/1"),408 expected_playback=fractions.Fraction(48, 1),409 expected_timebase=fractions.Fraction(48, 1),410 ),411 # 59.94 ----------412 # ----------------413 FramerateParseCase(414 source="59.94",415 expected_playback=fractions.Fraction(60000, 1001),416 expected_timebase=fractions.Fraction(60, 1),417 expected_ntsc=True,418 ),419 FramerateParseCase(420 source=59.94,421 expected_playback=fractions.Fraction(60000, 1001),422 expected_timebase=fractions.Fraction(60, 1),423 expected_ntsc=True,424 ),425 FramerateParseCase(426 source=fractions.Fraction(60000, 1001),427 expected_playback=fractions.Fraction(60000, 1001),428 expected_timebase=fractions.Fraction(60, 1),429 expected_ntsc=True,430 ),431 FramerateParseCase(432 source=fractions.Fraction(1001, 60000),433 expected_playback=fractions.Fraction(60000, 1001),434 expected_timebase=fractions.Fraction(60, 1),435 expected_ntsc=True,436 ),437 FramerateParseCase(438 source=(60000, 1001),439 expected_playback=fractions.Fraction(60000, 1001),440 expected_timebase=fractions.Fraction(60, 1),441 expected_ntsc=True,442 ),443 FramerateParseCase(444 source=(1001, 60000),445 expected_playback=fractions.Fraction(60000, 1001),446 expected_timebase=fractions.Fraction(60, 1),447 expected_ntsc=True,448 ),449 FramerateParseCase(450 source="60000/1001",451 expected_playback=fractions.Fraction(60000, 1001),452 expected_timebase=fractions.Fraction(60, 1),453 expected_ntsc=True,454 ),455 FramerateParseCase(456 source="1001/60000",457 expected_playback=fractions.Fraction(60000, 1001),458 expected_timebase=fractions.Fraction(60, 1),459 expected_ntsc=True,460 ),461 FramerateParseCase(462 source=vtc.Framerate("60000/1001"),463 expected_playback=fractions.Fraction(60000, 1001),464 expected_timebase=fractions.Fraction(60, 1),465 expected_ntsc=True,466 ),467 # 60.0 -----------468 # ----------------469 FramerateParseCase(470 source="60",471 expected_playback=fractions.Fraction(60, 1),472 expected_timebase=fractions.Fraction(60, 1),473 ),474 FramerateParseCase(475 source=60,476 expected_playback=fractions.Fraction(60, 1),477 expected_timebase=fractions.Fraction(60, 1),478 ),479 FramerateParseCase(480 source="60.0",481 expected_playback=fractions.Fraction(60, 1),482 expected_timebase=fractions.Fraction(60, 1),483 ),484 FramerateParseCase(485 source=60.0,486 expected_playback=fractions.Fraction(60, 1),487 expected_timebase=fractions.Fraction(60, 1),488 ),489 FramerateParseCase(490 source=fractions.Fraction(60, 1),491 expected_playback=fractions.Fraction(60, 1),492 expected_timebase=fractions.Fraction(60, 1),493 ),494 FramerateParseCase(495 source=fractions.Fraction(1, 60),496 expected_playback=fractions.Fraction(60, 1),497 expected_timebase=fractions.Fraction(60, 1),498 ),499 FramerateParseCase(500 source=(60, 1),501 expected_playback=fractions.Fraction(60, 1),502 expected_timebase=fractions.Fraction(60, 1),503 ),504 FramerateParseCase(505 source=(1, 60),506 expected_playback=fractions.Fraction(60, 1),507 expected_timebase=fractions.Fraction(60, 1),508 ),509 FramerateParseCase(510 source="60/1",511 expected_playback=fractions.Fraction(60, 1),512 expected_timebase=fractions.Fraction(60, 1),513 ),514 FramerateParseCase(515 source="1/60",516 expected_playback=fractions.Fraction(60, 1),517 expected_timebase=fractions.Fraction(60, 1),518 ),519 FramerateParseCase(520 source=vtc.Framerate("60/1"),521 expected_playback=fractions.Fraction(60, 1),522 expected_timebase=fractions.Fraction(60, 1),523 ),524 # 199.88 ---------525 # ----------------526 FramerateParseCase(527 source="119.88",528 expected_playback=fractions.Fraction(120000, 1001),529 expected_timebase=fractions.Fraction(120, 1),530 expected_ntsc=True,531 ),532 FramerateParseCase(533 source=119.88,534 expected_playback=fractions.Fraction(120000, 1001),535 expected_timebase=fractions.Fraction(120, 1),536 expected_ntsc=True,537 ),538 FramerateParseCase(539 source=fractions.Fraction(120000, 1001),540 expected_playback=fractions.Fraction(120000, 1001),541 expected_timebase=fractions.Fraction(120, 1),542 expected_ntsc=True,543 ),544 FramerateParseCase(545 source=fractions.Fraction(1001, 120000),546 expected_playback=fractions.Fraction(120000, 1001),547 expected_timebase=fractions.Fraction(120, 1),548 expected_ntsc=True,549 ),550 FramerateParseCase(551 source=(120000, 1001),552 expected_playback=fractions.Fraction(120000, 1001),553 expected_timebase=fractions.Fraction(120, 1),554 expected_ntsc=True,555 ),556 FramerateParseCase(557 source=(1001, 120000),558 expected_playback=fractions.Fraction(120000, 1001),559 expected_timebase=fractions.Fraction(120, 1),560 expected_ntsc=True,561 ),562 FramerateParseCase(563 source="120000/1001",564 expected_playback=fractions.Fraction(120000, 1001),565 expected_timebase=fractions.Fraction(120, 1),566 expected_ntsc=True,567 ),568 FramerateParseCase(569 source="1001/120000",570 expected_playback=fractions.Fraction(120000, 1001),571 expected_timebase=fractions.Fraction(120, 1),572 expected_ntsc=True,573 ),574 FramerateParseCase(575 source=vtc.Framerate("120000/1001"),576 expected_playback=fractions.Fraction(120000, 1001),577 expected_timebase=fractions.Fraction(120, 1),578 expected_ntsc=True,579 ),580 # 120.0 -----------581 # ----------------582 FramerateParseCase(583 source="120",584 expected_playback=fractions.Fraction(120, 1),585 expected_timebase=fractions.Fraction(120, 1),586 ),587 FramerateParseCase(588 source=120,589 expected_playback=fractions.Fraction(120, 1),590 expected_timebase=fractions.Fraction(120, 1),591 ),592 FramerateParseCase(593 source="120.0",594 expected_playback=fractions.Fraction(120, 1),595 expected_timebase=fractions.Fraction(120, 1),596 ),597 FramerateParseCase(598 source=120.0,599 expected_playback=fractions.Fraction(120, 1),600 expected_timebase=fractions.Fraction(120, 1),601 ),602 FramerateParseCase(603 source=fractions.Fraction(120, 1),604 expected_playback=fractions.Fraction(120, 1),605 expected_timebase=fractions.Fraction(120, 1),606 ),607 FramerateParseCase(608 source=fractions.Fraction(1, 120),609 expected_playback=fractions.Fraction(120, 1),610 expected_timebase=fractions.Fraction(120, 1),611 ),612 FramerateParseCase(613 source=(120, 1),614 expected_playback=fractions.Fraction(120, 1),615 expected_timebase=fractions.Fraction(120, 1),616 ),617 FramerateParseCase(618 source=(1, 120),619 expected_playback=fractions.Fraction(120, 1),620 expected_timebase=fractions.Fraction(120, 1),621 ),622 FramerateParseCase(623 source="120/1",624 expected_playback=fractions.Fraction(120, 1),625 expected_timebase=fractions.Fraction(120, 1),626 ),627 FramerateParseCase(628 source="1/120",629 expected_playback=fractions.Fraction(120, 1),630 expected_timebase=fractions.Fraction(120, 1),631 ),632 FramerateParseCase(633 source=vtc.Framerate("120/1"),634 expected_playback=fractions.Fraction(120, 1),635 expected_timebase=fractions.Fraction(120, 1),636 ),637 # ERRORS ----------638 # -----------------639 FramerateParseCase(640 source="Not A FrameRate",641 expected_error=ValueError,642 expected_error_text=(643 "could not parse Framerate value of 'Not A FrameRate'"644 ),645 ),646 FramerateParseCase(647 source=(24, 1, 0),648 expected_error=ValueError,649 expected_error_text=(650 "Framerate tuple value must contain exactly 2 values, got 3"651 ),652 ),653 FramerateParseCase(654 source=b"not a string",655 expected_error=TypeError,656 expected_error_text=(657 "unsupported type for Framerate conversion: <class 'bytes'>"658 ),659 ),660 FramerateParseCase(661 source="not.afloat",662 expected_error=ValueError,663 expected_error_text="could not parse Framerate value of 'not.afloat'",664 ),665 FramerateParseCase(666 source=29.97,667 ntsc_arg=False,668 expected_drop_frame=True,669 expected_error=ValueError,670 expected_error_text=(671 "ntsc must be [True] or [None] if drop_frame is [True]"672 ),673 ),674 FramerateParseCase(675 source=29.97,676 ntsc_arg=False,677 expected_error=ValueError,678 expected_error_text=(679 "non-whole-number floats values cannot be parsed when ntsc=False. "680 "use precise fraction.Fraction value instead"681 ),682 ),683 ]684 for case in cases:685 with self.subTest(str(case)):686 if case.expected_error is not None:687 with self.assertRaises(case.expected_error) as err:688 vtc.Framerate(689 case.source, # type: ignore690 ntsc=case.ntsc_arg,691 dropframe=case.expected_drop_frame,692 )693 self.assertEqual(694 str(err.exception),695 case.expected_error_text,696 "error message text expected",697 )698 continue699 tb = vtc.Framerate(700 case.source, # type: ignore701 ntsc=case.ntsc_arg,702 dropframe=case.expected_drop_frame,703 )704 print("\nPARSED:", tb)705 self.assertEqual(706 tb.playback, case.expected_playback, "playback expected"707 )708 self.assertEqual(709 tb.timebase, case.expected_timebase, "timebase expected"710 )711 self.assertEqual(712 tb.dropframe,713 case.expected_drop_frame,714 "drop frame is expected",715 )716 self.assertEqual(tb.ntsc, case.expected_ntsc, "ntsc value is expected")717 def test_parse_drop_frame(self) -> None:718 fr = vtc.Framerate(29.97, dropframe=True)719 self.assertEqual(720 fr.playback, fractions.Fraction(30000, 1001), "tb frac expected"721 )722 self.assertTrue(fr.dropframe, "tb is drop frame")723 def test_parse_error_drop_frame_bad_value(self) -> None:724 with self.assertRaises(ValueError) as error:725 vtc.Framerate(23.98, dropframe=True)726 self.assertEqual(727 str(error.exception),728 "drop_frame may only be true if framerate is divisible by "729 "30000/1001 (29.97)",730 "error message expected",731 )732 def test_repr(self) -> None:733 class Case(NamedTuple):734 value: vtc.Framerate735 expected: str736 cases: List[Case] = [737 Case(vtc.Framerate(24), "[24]"),738 Case(vtc.Framerate(29.97, ntsc=True), "[29.97 NTSC]"),739 Case(vtc.Framerate(29.97, dropframe=True), "[29.97 NTSC DF]"),740 ]741 for case in cases:742 with self.subTest(str(case.value)):743 self.assertEqual(repr(case.value), case.expected)744 def test_equality(self) -> None:745 class Case(NamedTuple):746 fr1: vtc.Framerate747 fr2: vtc.Framerate748 equal: bool749 cases: List[Case] = [750 Case(vtc.Framerate(23.98), vtc.Framerate(23.98), True),751 Case(vtc.Framerate(23.98), vtc.Framerate("24000/1001"), True),752 Case(vtc.Framerate(23.98), vtc.Framerate("24000/1001", ntsc=False), False),753 Case(vtc.Framerate(23.98), vtc.Framerate(29.97), False),754 Case(vtc.Framerate(29.97, dropframe=True), vtc.Framerate(29.97), False),755 ]756 for case in cases:757 with self.subTest(f"{repr(case.fr1)} == {repr(case.fr2)} | {case.equal}"):758 self.assertEqual(case.equal, case.fr1 == case.fr2, "check equality")759 def test_equality_usupported_type(self) -> None:...
flow.py
Source:flow.py
...28 self.mole_flow = mole_flow29 # flow composition30 if len(mass_fractions) == const.COMP_COUNT:31 self.mass_fractions = rf.norm(mass_fractions)32 self.mole_fractions = rf.convert_mass_to_mole_fractions(33 self.mass_fractions, const.MR)34 self.volume_fractions = rf.convert_mass_to_volume_fractions(35 self.mass_fractions, const.DENSITY)36 elif len(mole_fractions) == const.COMP_COUNT:37 self.mole_fractions = rf.norm(mole_fractions)38 self.mass_fractions = rf.convert_mole_to_mass_fractions(39 self.mole_fractions, const.MR)40 self.volume_fractions = rf.convert_mole_to_volume_fractions(41 self.mole_fractions, const.MR, const.DENSITY)42 elif len(volume_fractions) == const.COMP_COUNT:43 self.volume_fractions = rf.norm(volume_fractions)44 self.mass_fractions = rf.convert_volume_to_mass_fractions(45 self.volume_fractions, const.DENSITY)46 self.mole_fractions = rf.convert_volume_to_mole_fractions(47 self.volume_fractions, const.MR, const.DENSITY)48 elif len(mass_flows) == const.COMP_COUNT:49 self.mass_flows = mass_flows50 self.mass_fractions = rf.convert_flows_to_fractions(mass_flows)51 self.mass_flow = sum(self.mass_flows)52 self.mole_fractions = rf.convert_mass_to_mole_fractions(53 self.mass_fractions, const.MR)54 self.volume_fractions = rf.convert_mass_to_volume_fractions(55 self.mass_fractions, const.DENSITY)56 elif len(volume_flows) == const.COMP_COUNT:57 self.volume_flows = volume_flows58 self.volume_fractions = rf.convert_flows_to_fractions(volume_flows)59 self.std_liquid_volume_flow = sum(self.volume_flows)60 self.mass_fractions = rf.convert_volume_to_mass_fractions(61 self.volume_fractions, const.DENSITY)62 self.mole_fractions = rf.convert_volume_to_mole_fractions(63 self.volume_fractions, const.MR, const.DENSITY)64 elif len(mole_flows) == const.COMP_COUNT:65 self.mole_flows = mole_flows66 self.mole_fractions = rf.convert_flows_to_fractions(self.mole_flows)67 self.mole_flow = sum(self.mole_flows)68 self.mass_fractions = rf.convert_mole_to_mass_fractions(69 self.mole_fractions, const.MR)70 self.volume_fractions = rf.convert_mole_to_volume_fractions(71 self.mole_fractions, const.MR, const.DENSITY)72 # flow rates73 if self.mass_flow:74 self.volume_flows = rf.convert_mass_to_volume_flows(75 self.mass_flows, const.DENSITY)76 self.mole_flows = rf.convert_mass_to_mole_flows(77 self.mass_flows, const.MR)78 self.std_liquid_volume_flow = rf.get_volume_flow_rate(79 self.volume_flows)80 self.mole_flow = rf.get_mole_flow_rate(self.mole_flows)81 elif self.std_liquid_volume_flow:82 self.mass_flows = rf.convert_volume_to_mass_flows(83 self.volume_flows, const.DENSITY)84 self.mole_flows = rf.convert_volume_to_mole_flows(...
pb213.py
Source:pb213.py
1# -------------------------------------------------------------------------------2# Name: pb2133# Purpose: project euler4# Created: 07/02/20155# -------------------------------------------------------------------------------6import numpy7import fractions8import time9import sys10class Problem():11 def __init__(self):12 self.n = 3013 self.size = self.n**214 self.number_iter = 5015 self.transition = numpy.zeros((self.size, self.size))16 def init_transition(self):17 for k in range(self.size):18 i = k // self.n19 j = k % self.n20 if i in range(1, self.n-1):21 if j in range(1, self.n-1):22 self.transition[k][(i+1)*self.n+j] = fractions.Fraction(1, 4)23 self.transition[k][(i-1)*self.n+j] = fractions.Fraction(1, 4)24 self.transition[k][i*self.n+(j+1)] = fractions.Fraction(1, 4)25 self.transition[k][i*self.n+(j-1)] = fractions.Fraction(1, 4)26 elif j == 0:27 self.transition[k][(i+1)*self.n+j] = fractions.Fraction(1, 3)28 self.transition[k][(i-1)*self.n+j] = fractions.Fraction(1, 3)29 self.transition[k][i*self.n+(j+1)] = fractions.Fraction(1, 3)30 else:31 self.transition[k][(i+1)*self.n+j] = fractions.Fraction(1, 3)32 self.transition[k][(i-1)*self.n+j] = fractions.Fraction(1, 3)33 self.transition[k][i*self.n+(j-1)] = fractions.Fraction(1, 3)34 elif i == 0:35 if j in range(1, self.n-1):36 self.transition[k][(i+1)*self.n+j] = fractions.Fraction(1, 3)37 self.transition[k][i*self.n+(j+1)] = fractions.Fraction(1, 3)38 self.transition[k][i*self.n+(j-1)] = fractions.Fraction(1, 3)39 elif j == 0:40 self.transition[k][(i+1)*self.n+j] = fractions.Fraction(1, 2)41 self.transition[k][i*self.n+(j+1)] = fractions.Fraction(1, 2)42 else:43 self.transition[k][(i+1)*self.n+j] = fractions.Fraction(1, 2)44 self.transition[k][i*self.n+(j-1)] = fractions.Fraction(1, 2)45 else:46 if j in range(1, self.n-1):47 self.transition[k][(i-1)*self.n+j] = fractions.Fraction(1, 3)48 self.transition[k][i*self.n+(j+1)] = fractions.Fraction(1, 3)49 self.transition[k][i*self.n+(j-1)] = fractions.Fraction(1, 3)50 elif j == 0:51 self.transition[k][(i-1)*self.n+j] = fractions.Fraction(1, 2)52 self.transition[k][i*self.n+(j+1)] = fractions.Fraction(1, 2)53 else:54 self.transition[k][(i-1)*self.n+j] = fractions.Fraction(1, 2)55 self.transition[k][i*self.n+(j-1)] = fractions.Fraction(1, 2)56 def solve(self):57 self.init_transition()58 mat = numpy.matrix(self.transition)**self.number_iter59 print(round(numpy.sum(numpy.prod(1-mat[:, p]) for p in range(self.size)), 6))60def main():61 start = time.perf_counter()62 u = Problem()63 u.solve()64 print('temps d execution', time.perf_counter() - start, 'sec')65if __name__ == '__main__':...
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