notebook.community

Edit and run



In [1]:

    
import zarr



In [2]:

    
root = zarr.group()
root









    Out[2]:





<zarr.hierarchy.Group '/'>



In [3]:

    
root.info









    Out[3]:




Name /
Type zarr.hierarchy.Group
Read-only False
Store type zarr.storage.DictStore
No. members 0
No. arrays 0
No. groups 0



In [4]:

    
z = root.zeros('foo/bar/baz', shape=1000000)



In [5]:

    
z









    Out[5]:





<zarr.core.Array '/foo/bar/baz' (1000000,) float64>



In [6]:

    
z.info









    Out[6]:




Name /foo/bar/baz
Type zarr.core.Array
Data type float64
Shape (1000000,)
Chunk shape (15625,)
Order C
Read-only False
Compressor Blosc(cname='lz4', clevel=5, shuffle=SHUFFLE, blocksize=0)
Store type zarr.storage.DictStore
No. bytes 8000000 (7.6M)
No. bytes stored 321
Storage ratio 24922.1
Chunks initialized 0/64



In [7]:

    
z[:] = 42



In [8]:

    
z.info









    Out[8]:




Name /foo/bar/baz
Type zarr.core.Array
Data type float64
Shape (1000000,)
Chunk shape (15625,)
Order C
Read-only False
Compressor Blosc(cname='lz4', clevel=5, shuffle=SHUFFLE, blocksize=0)
Store type zarr.storage.DictStore
No. bytes 8000000 (7.6M)
No. bytes stored 39553 (38.6K)
Storage ratio 202.3
Chunks initialized 64/64



In [9]:

    
for i in range(1000):
    root.create_group(i)



In [10]:

    
root









    Out[10]:





<zarr.hierarchy.Group '/'>



In [11]:

    
root.info









    Out[11]:




Name /
Type zarr.hierarchy.Group
Read-only False
Store type zarr.storage.DictStore
No. members 1001
No. arrays 0
No. groups 1001
Groups 0, 1, 10, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 11, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 12, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 13, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 14, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 15, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 16, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 17, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 18, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 19, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 2, 20, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 21, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 22, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 23, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 24, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 25, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 26, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 27, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 28, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 29, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 3, 30, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 31, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 32, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 33, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 34, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 35, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 36, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 37, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 38, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 39, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 4, 40, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 41, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 42, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 43, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 44, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 45, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 46, 460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 47, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 48, 480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 49, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 5, 50, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 51, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 52, 520, 521, 522, 523, 524, 525, 526, 527, 528, 529, 53, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 54, 540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 55, 550, 551, 552, 553, 554, 555, 556, 557, 558, 559, 56, 560, 561, 562, 563, 564, 565, 566, 567, 568, 569, 57, 570, 571, 572, 573, 574, 575, 576, 577, 578, 579, 58, 580, 581, 582, 583, 584, 585, 586, 587, 588, 589, 59, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599, 6, 60, 600, 601, 602, 603, 604, 605, 606, 607, 608, 609, 61, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619, 62, 620, 621, 622, 623, 624, 625, 626, 627, 628, 629, 63, 630, 631, 632, 633, 634, 635, 636, 637, 638, 639, 64, 640, 641, 642, 643, 644, 645, 646, 647, 648, 649, 65, 650, 651, 652, 653, 654, 655, 656, 657, 658, 659, 66, 660, 661, 662, 663, 664, 665, 666, 667, 668, 669, 67, 670, 671, 672, 673, 674, 675, 676, 677, 678, 679, 68, 680, 681, 682, 683, 684, 685, 686, 687, 688, 689, 69, 690, 691, 692, 693, 694, 695, 696, 697, 698, 699, 7, 70, 700, 701, 702, 703, 704, 705, 706, 707, 708, 709, 71, 710, 711, 712, 713, 714, 715, 716, 717, 718, 719, 72, 720, 721, 722, 723, 724, 725, 726, 727, 728, 729, 73, 730, 731, 732, 733, 734, 735, 736, 737, 738, 739, 74, 740, 741, 742, 743, 744, 745, 746, 747, 748, 749, 75, 750, 751, 752, 753, 754, 755, 756, 757, 758, 759, 76, 760, 761, 762, 763, 764, 765, 766, 767, 768, 769, 77, 770, 771, 772, 773, 774, 775, 776, 777, 778, 779, 78, 780, 781, 782, 783, 784, 785, 786, 787, 788, 789, 79, 790, 791, 792, 793, 794, 795, 796, 797, 798, 799, 8, 80, 800, 801, 802, 803, 804, 805, 806, 807, 808, 809, 81, 810, 811, 812, 813, 814, 815, 816, 817, 818, 819, 82, 820, 821, 822, 823, 824, 825, 826, 827, 828, 829, 83, 830, 831, 832, 833, 834, 835, 836, 837, 838, 839, 84, 840, 841, 842, 843, 844, 845, 846, 847, 848, 849, 85, 850, 851, 852, 853, 854, 855, 856, 857, 858, 859, 86, 860, 861, 862, 863, 864, 865, 866, 867, 868, 869, 87, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 88, 880, 881, 882, 883, 884, 885, 886, 887, 888, 889, 89, 890, 891, 892, 893, 894, 895, 896, 897, 898, 899, 9, 90, 900, 901, 902, 903, 904, 905, 906, 907, 908, 909, 91, 910, 911, 912, 913, 914, 915, 916, 917, 918, 919, 92, 920, 921, 922, 923, 924, 925, 926, 927, 928, 929, 93, 930, 931, 932, 933, 934, 935, 936, 937, 938, 939, 94, 940, 941, 942, 943, 944, 945, 946, 947, 948, 949, 95, 950, 951, 952, 953, 954, 955, 956, 957, 958, 959, 96, 960, 961, 962, 963, 964, 965, 966, 967, 968, 969, 97, 970, 971, 972, 973, 974, 975, 976, 977, 978, 979, 98, 980, 981, 982, 983, 984, 985, 986, 987, 988, 989, 99, 990, 991, 992, 993, 994, 995, 996, 997, 998, 999, foo



In [15]:

    
root['foo/bar'].info









    Out[15]:




Name /foo/bar
Type zarr.hierarchy.Group
Read-only False
Store type zarr.storage.DictStore
No. members 1
No. arrays 1
No. groups 0
Arrays baz



In [ ]:

Name	/
Type	zarr.hierarchy.Group
Read-only	False
Store type	zarr.storage.DictStore
No. members	0
No. arrays	0
No. groups	0

Name	/foo/bar/baz
Type	zarr.core.Array
Data type	float64
Shape	(1000000,)
Chunk shape	(15625,)
Order	C
Read-only	False
Compressor	Blosc(cname='lz4', clevel=5, shuffle=SHUFFLE, blocksize=0)
Store type	zarr.storage.DictStore
No. bytes	8000000 (7.6M)
No. bytes stored	321
Storage ratio	24922.1
Chunks initialized	0/64

Name	/foo/bar
Type	zarr.hierarchy.Group
Read-only	False
Store type	zarr.storage.DictStore
No. members	1
No. arrays	1
No. groups	0
Arrays	baz