[v3] Support zero-dimensional arrays #1976

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Closed
[v3] Support zero-dimensional arrays#1976
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d-v-b
Labels
bugPotential issues with the zarr-python library
Milestone
3.0.0

Description

@tomwhite
tomwhite
opened on Jun 18, 2024

Zarr version

3.0.0a1

Numcodecs version

0.12.1

Python Version

3.11.9

Operating System

Mac

Installation

pip

Description

Zero-dimensional arrays are supported in v2, so they should be in v3 too.

Steps to reproduce

>>>importzarr.v2aszarr>>>z=zarr.open(store='example-v2.zarr', mode='w', shape=())
>>>z[...] =2>>>z[...]
array(2.)
>>>importzarr>>>z=zarr.open(store='example-v3.zarr', mode='w', shape=())
Traceback (mostrecentcalllast):
File"<stdin>", line1, in<module>File"/Users/tom/workspace/zarr-python/src/zarr/api/synchronous.py", line45, inopenobj=sync(
^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line92, insyncraisereturn_resultFile"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line51, in_runnerreturnawaitcoro^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line198, inopenreturnawaitopen_array(store=store_path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line868, inopen_arrayreturnawaitcreate(store=store, path=path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line686, increatereturnawaitAsyncArray.create(
^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line153, increatereturnawaitcls._create_v3(
^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line237, in_create_v3chunk_grid=RegularChunkGrid(chunk_shape=chunk_shape),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/chunk_grids.py", line51, in__init__chunk_shape_parsed=parse_shapelike(chunk_shape)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/common.py", line145, inparse_shapelikeraiseValueError("Expected at least one element. Got 0.")
ValueError: Expectedatleastoneelement. Got0.

Additional output

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    , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
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})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

    Skip to content
    [v3] Support zero-dimensional arrays #1976
    Closed
    Closed
    [v3] Support zero-dimensional arrays#1976
    Assignees
    d-v-b
    Labels
    bugPotential issues with the zarr-python library
    Milestone
    3.0.0
    Description
    @tomwhite
    tomwhite
    opened on Jun 18, 2024
    Zarr version
    3.0.0a1
    Numcodecs version
    0.12.1
    Python Version
    3.11.9
    Operating System
    Mac
    Installation
    pip
    Description
    Zero-dimensional arrays are supported in v2, so they should be in v3 too.
    Steps to reproduce
    >>>importzarr.v2aszarr>>>z=zarr.open(store='example-v2.zarr', mode='w', shape=())
>>>z[...] =2>>>z[...]
array(2.)
>>>importzarr>>>z=zarr.open(store='example-v3.zarr', mode='w', shape=())
Traceback (mostrecentcalllast):
File"<stdin>", line1, in<module>File"/Users/tom/workspace/zarr-python/src/zarr/api/synchronous.py", line45, inopenobj=sync(
^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line92, insyncraisereturn_resultFile"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line51, in_runnerreturnawaitcoro^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line198, inopenreturnawaitopen_array(store=store_path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line868, inopen_arrayreturnawaitcreate(store=store, path=path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line686, increatereturnawaitAsyncArray.create(
^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line153, increatereturnawaitcls._create_v3(
^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line237, in_create_v3chunk_grid=RegularChunkGrid(chunk_shape=chunk_shape),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/chunk_grids.py", line51, in__init__chunk_shape_parsed=parse_shapelike(chunk_shape)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/common.py", line145, inparse_shapelikeraiseValueError("Expected at least one element. Got 0.")
ValueError: Expectedatleastoneelement. Got0.
    Additional output
    No response
    Activity
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, 'i');
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(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

      Skip to content
      [v3] Support zero-dimensional arrays #1976
      Closed
      Closed
      [v3] Support zero-dimensional arrays#1976
      Assignees
      d-v-b
      Labels
      bugPotential issues with the zarr-python library
      Milestone
      3.0.0
      Description
      @tomwhite
      tomwhite
      opened on Jun 18, 2024
      Zarr version
      3.0.0a1
      Numcodecs version
      0.12.1
      Python Version
      3.11.9
      Operating System
      Mac
      Installation
      pip
      Description
      Zero-dimensional arrays are supported in v2, so they should be in v3 too.
      Steps to reproduce
      >>>importzarr.v2aszarr>>>z=zarr.open(store='example-v2.zarr', mode='w', shape=())
>>>z[...] =2>>>z[...]
array(2.)
>>>importzarr>>>z=zarr.open(store='example-v3.zarr', mode='w', shape=())
Traceback (mostrecentcalllast):
File"<stdin>", line1, in<module>File"/Users/tom/workspace/zarr-python/src/zarr/api/synchronous.py", line45, inopenobj=sync(
^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line92, insyncraisereturn_resultFile"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line51, in_runnerreturnawaitcoro^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line198, inopenreturnawaitopen_array(store=store_path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line868, inopen_arrayreturnawaitcreate(store=store, path=path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line686, increatereturnawaitAsyncArray.create(
^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line153, increatereturnawaitcls._create_v3(
^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line237, in_create_v3chunk_grid=RegularChunkGrid(chunk_shape=chunk_shape),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/chunk_grids.py", line51, in__init__chunk_shape_parsed=parse_shapelike(chunk_shape)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/common.py", line145, inparse_shapelikeraiseValueError("Expected at least one element. Got 0.")
ValueError: Expectedatleastoneelement. Got0.
      Additional output
      No response
      Activity
      Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
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      Labels
      bugPotential issues with the zarr-python library
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

        Skip to content
        [v3] Support zero-dimensional arrays #1976
        Closed
        Closed
        [v3] Support zero-dimensional arrays#1976
        Assignees
        d-v-b
        Labels
        bugPotential issues with the zarr-python library
        Milestone
        3.0.0
        Description
        @tomwhite
        tomwhite
        opened on Jun 18, 2024
        Zarr version
        3.0.0a1
        Numcodecs version
        0.12.1
        Python Version
        3.11.9
        Operating System
        Mac
        Installation
        pip
        Description
        Zero-dimensional arrays are supported in v2, so they should be in v3 too.
        Steps to reproduce
        >>>importzarr.v2aszarr>>>z=zarr.open(store='example-v2.zarr', mode='w', shape=())
>>>z[...] =2>>>z[...]
array(2.)
>>>importzarr>>>z=zarr.open(store='example-v3.zarr', mode='w', shape=())
Traceback (mostrecentcalllast):
File"<stdin>", line1, in<module>File"/Users/tom/workspace/zarr-python/src/zarr/api/synchronous.py", line45, inopenobj=sync(
^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line92, insyncraisereturn_resultFile"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line51, in_runnerreturnawaitcoro^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line198, inopenreturnawaitopen_array(store=store_path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line868, inopen_arrayreturnawaitcreate(store=store, path=path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line686, increatereturnawaitAsyncArray.create(
^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line153, increatereturnawaitcls._create_v3(
^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line237, in_create_v3chunk_grid=RegularChunkGrid(chunk_shape=chunk_shape),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/chunk_grids.py", line51, in__init__chunk_shape_parsed=parse_shapelike(chunk_shape)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/common.py", line145, inparse_shapelikeraiseValueError("Expected at least one element. Got 0.")
ValueError: Expectedatleastoneelement. Got0.
        Additional output
        No response
        Activity
        Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
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        bugPotential issues with the zarr-python library
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

          Skip to content
          [v3] Support zero-dimensional arrays #1976
          Closed
          Closed
          [v3] Support zero-dimensional arrays#1976
          Assignees
          d-v-b
          Labels
          bugPotential issues with the zarr-python library
          Milestone
          3.0.0
          Description
          @tomwhite
          tomwhite
          opened on Jun 18, 2024
          Zarr version
          3.0.0a1
          Numcodecs version
          0.12.1
          Python Version
          3.11.9
          Operating System
          Mac
          Installation
          pip
          Description
          Zero-dimensional arrays are supported in v2, so they should be in v3 too.
          Steps to reproduce
          >>>importzarr.v2aszarr>>>z=zarr.open(store='example-v2.zarr', mode='w', shape=())
>>>z[...] =2>>>z[...]
array(2.)
>>>importzarr>>>z=zarr.open(store='example-v3.zarr', mode='w', shape=())
Traceback (mostrecentcalllast):
File"<stdin>", line1, in<module>File"/Users/tom/workspace/zarr-python/src/zarr/api/synchronous.py", line45, inopenobj=sync(
^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line92, insyncraisereturn_resultFile"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line51, in_runnerreturnawaitcoro^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line198, inopenreturnawaitopen_array(store=store_path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line868, inopen_arrayreturnawaitcreate(store=store, path=path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line686, increatereturnawaitAsyncArray.create(
^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line153, increatereturnawaitcls._create_v3(
^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line237, in_create_v3chunk_grid=RegularChunkGrid(chunk_shape=chunk_shape),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/chunk_grids.py", line51, in__init__chunk_shape_parsed=parse_shapelike(chunk_shape)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/common.py", line145, inparse_shapelikeraiseValueError("Expected at least one element. Got 0.")
ValueError: Expectedatleastoneelement. Got0.
          Additional output
          No response
          Activity
          Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
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          bugPotential issues with the zarr-python library
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
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})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

            Skip to content
            [v3] Support zero-dimensional arrays #1976
            Closed
            Closed
            [v3] Support zero-dimensional arrays#1976
            Assignees
            d-v-b
            Labels
            bugPotential issues with the zarr-python library
            Milestone
            3.0.0
            Description
            @tomwhite
            tomwhite
            opened on Jun 18, 2024
            Zarr version
            3.0.0a1
            Numcodecs version
            0.12.1
            Python Version
            3.11.9
            Operating System
            Mac
            Installation
            pip
            Description
            Zero-dimensional arrays are supported in v2, so they should be in v3 too.
            Steps to reproduce
            >>>importzarr.v2aszarr>>>z=zarr.open(store='example-v2.zarr', mode='w', shape=())
>>>z[...] =2>>>z[...]
array(2.)
>>>importzarr>>>z=zarr.open(store='example-v3.zarr', mode='w', shape=())
Traceback (mostrecentcalllast):
File"<stdin>", line1, in<module>File"/Users/tom/workspace/zarr-python/src/zarr/api/synchronous.py", line45, inopenobj=sync(
^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line92, insyncraisereturn_resultFile"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line51, in_runnerreturnawaitcoro^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line198, inopenreturnawaitopen_array(store=store_path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line868, inopen_arrayreturnawaitcreate(store=store, path=path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line686, increatereturnawaitAsyncArray.create(
^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line153, increatereturnawaitcls._create_v3(
^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line237, in_create_v3chunk_grid=RegularChunkGrid(chunk_shape=chunk_shape),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/chunk_grids.py", line51, in__init__chunk_shape_parsed=parse_shapelike(chunk_shape)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/common.py", line145, inparse_shapelikeraiseValueError("Expected at least one element. Got 0.")
ValueError: Expectedatleastoneelement. Got0.
            Additional output
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

              Skip to content
              [v3] Support zero-dimensional arrays #1976
              Closed
              Closed
              [v3] Support zero-dimensional arrays#1976
              Assignees
              d-v-b
              Labels
              bugPotential issues with the zarr-python library
              Milestone
              3.0.0
              Description
              @tomwhite
              tomwhite
              opened on Jun 18, 2024
              Zarr version
              3.0.0a1
              Numcodecs version
              0.12.1
              Python Version
              3.11.9
              Operating System
              Mac
              Installation
              pip
              Description
              Zero-dimensional arrays are supported in v2, so they should be in v3 too.
              Steps to reproduce
              >>>importzarr.v2aszarr>>>z=zarr.open(store='example-v2.zarr', mode='w', shape=())
>>>z[...] =2>>>z[...]
array(2.)
>>>importzarr>>>z=zarr.open(store='example-v3.zarr', mode='w', shape=())
Traceback (mostrecentcalllast):
File"<stdin>", line1, in<module>File"/Users/tom/workspace/zarr-python/src/zarr/api/synchronous.py", line45, inopenobj=sync(
^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line92, insyncraisereturn_resultFile"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line51, in_runnerreturnawaitcoro^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line198, inopenreturnawaitopen_array(store=store_path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line868, inopen_arrayreturnawaitcreate(store=store, path=path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line686, increatereturnawaitAsyncArray.create(
^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line153, increatereturnawaitcls._create_v3(
^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line237, in_create_v3chunk_grid=RegularChunkGrid(chunk_shape=chunk_shape),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/chunk_grids.py", line51, in__init__chunk_shape_parsed=parse_shapelike(chunk_shape)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/common.py", line145, inparse_shapelikeraiseValueError("Expected at least one element. Got 0.")
ValueError: Expectedatleastoneelement. Got0.
              Additional output
              No response
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              bugPotential issues with the zarr-python library
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

                Skip to content
                [v3] Support zero-dimensional arrays #1976
                Closed
                Closed
                [v3] Support zero-dimensional arrays#1976
                Assignees
                d-v-b
                Labels
                bugPotential issues with the zarr-python library
                Milestone
                3.0.0
                Description
                @tomwhite
                tomwhite
                opened on Jun 18, 2024
                Zarr version
                3.0.0a1
                Numcodecs version
                0.12.1
                Python Version
                3.11.9
                Operating System
                Mac
                Installation
                pip
                Description
                Zero-dimensional arrays are supported in v2, so they should be in v3 too.
                Steps to reproduce
                >>>importzarr.v2aszarr>>>z=zarr.open(store='example-v2.zarr', mode='w', shape=())
>>>z[...] =2>>>z[...]
array(2.)
>>>importzarr>>>z=zarr.open(store='example-v3.zarr', mode='w', shape=())
Traceback (mostrecentcalllast):
File"<stdin>", line1, in<module>File"/Users/tom/workspace/zarr-python/src/zarr/api/synchronous.py", line45, inopenobj=sync(
^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line92, insyncraisereturn_resultFile"/Users/tom/workspace/zarr-python/src/zarr/sync.py", line51, in_runnerreturnawaitcoro^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line198, inopenreturnawaitopen_array(store=store_path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line868, inopen_arrayreturnawaitcreate(store=store, path=path, zarr_format=zarr_format, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/api/asynchronous.py", line686, increatereturnawaitAsyncArray.create(
^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line153, increatereturnawaitcls._create_v3(
^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/array.py", line237, in_create_v3chunk_grid=RegularChunkGrid(chunk_shape=chunk_shape),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/chunk_grids.py", line51, in__init__chunk_shape_parsed=parse_shapelike(chunk_shape)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^File"/Users/tom/workspace/zarr-python/src/zarr/common.py", line145, inparse_shapelikeraiseValueError("Expected at least one element. Got 0.")
ValueError: Expectedatleastoneelement. Got0.
                Additional output
                No response
                Activity
                Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
                Metadata
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                Labels
                bugPotential issues with the zarr-python library
                Type
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