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Simple Access Layer (SAL)

A data access and storage middleware.

Provides a hierarchical organisational structure into which various, administrator defined data sources can be stored. Users can locate, read and write data using a simple API.

The SAL server provides a REST API to access and modify data (where permitted). Client libraries for python are provided that automatically de-serialise and convert the SAL data classes into equivalent python objects.

The backend persistence storage is easily replaceable to enable data to be easily stored using a range of different technologies - object stores, filesystems, databases.

Background

This middleware was developed for the Joint European Torus to provide a unified method of access on top of a range of legacy storage technologies. The middleware was built to be a general access method where JET was one user. As such it should be generally useful to the wider community.

Installation

To install SAL for normal use, please use the release version on pypi.org. This can be installed using pip:

pip install sal

Contributing

Contributions to the SAL project are always welcome, but please note that we require the copyright for any contributions to be transferred to the project.

Licensing

SAL is licenced under EUPL-1.2. Please see the LICENSE.txt in the repository.

Dr Alex Meakins - 7th January 2019.

About

The core repository of the Simple Access Layer.

simple-access-layer.github.io/documentation/

Resources

Readme
EUPL-1.2 license
Activity
Custom properties

Stars

3 stars

Watchers

2 watching

Forks

8 forks
Report repository

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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Simple Access Layer (SAL)
A data access and storage middleware.
Provides a hierarchical organisational structure into which various, administrator defined data sources can be stored. Users can locate, read and write data using a simple API.
The SAL server provides a REST API to access and modify data (where permitted). Client libraries for python are provided that automatically de-serialise and convert the SAL data classes into equivalent python objects.
The backend persistence storage is easily replaceable to enable data to be easily stored using a range of different technologies - object stores, filesystems, databases.
Background
This middleware was developed for the Joint European Torus to provide a unified method of access on top of a range of legacy storage technologies. The middleware was built to be a general access method where JET was one user. As such it should be generally useful to the wider community.
Installation
To install SAL for normal use, please use the release version on pypi.org. This can be installed using pip:
pip install sal

Contributing
Contributions to the SAL project are always welcome, but please note that we require the copyright for any contributions to be transferred to the project.
Licensing
SAL is licenced under EUPL-1.2. Please see the LICENSE.txt in the repository.
Dr Alex Meakins - 7th January 2019.
About
The core repository of the Simple Access Layer.
simple-access-layer.github.io/documentation/
Resources
Readme
EUPL-1.2 license
Activity
Custom properties
Stars
3 stars
Watchers
2 watching
Forks
8 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Simple Access Layer (SAL)
A data access and storage middleware.
Provides a hierarchical organisational structure into which various, administrator defined data sources can be stored. Users can locate, read and write data using a simple API.
The SAL server provides a REST API to access and modify data (where permitted). Client libraries for python are provided that automatically de-serialise and convert the SAL data classes into equivalent python objects.
The backend persistence storage is easily replaceable to enable data to be easily stored using a range of different technologies - object stores, filesystems, databases.
Background
This middleware was developed for the Joint European Torus to provide a unified method of access on top of a range of legacy storage technologies. The middleware was built to be a general access method where JET was one user. As such it should be generally useful to the wider community.
Installation
To install SAL for normal use, please use the release version on pypi.org. This can be installed using pip:
pip install sal

Contributing
Contributions to the SAL project are always welcome, but please note that we require the copyright for any contributions to be transferred to the project.
Licensing
SAL is licenced under EUPL-1.2. Please see the LICENSE.txt in the repository.
Dr Alex Meakins - 7th January 2019.
About
The core repository of the Simple Access Layer.
simple-access-layer.github.io/documentation/
Resources
Readme
EUPL-1.2 license
Activity
Custom properties
Stars
3 stars
Watchers
2 watching
Forks
8 forks
Report repository
Releases
Packages
Contributors
Languages

, '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
BranchesTags
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Simple Access Layer (SAL)
A data access and storage middleware.
Provides a hierarchical organisational structure into which various, administrator defined data sources can be stored. Users can locate, read and write data using a simple API.
The SAL server provides a REST API to access and modify data (where permitted). Client libraries for python are provided that automatically de-serialise and convert the SAL data classes into equivalent python objects.
The backend persistence storage is easily replaceable to enable data to be easily stored using a range of different technologies - object stores, filesystems, databases.
Background
This middleware was developed for the Joint European Torus to provide a unified method of access on top of a range of legacy storage technologies. The middleware was built to be a general access method where JET was one user. As such it should be generally useful to the wider community.
Installation
To install SAL for normal use, please use the release version on pypi.org. This can be installed using pip:
pip install sal

Contributing
Contributions to the SAL project are always welcome, but please note that we require the copyright for any contributions to be transferred to the project.
Licensing
SAL is licenced under EUPL-1.2. Please see the LICENSE.txt in the repository.
Dr Alex Meakins - 7th January 2019.
About
The core repository of the Simple Access Layer.
simple-access-layer.github.io/documentation/
Resources
Readme
EUPL-1.2 license
Activity
Custom properties
Stars
3 stars
Watchers
2 watching
Forks
8 forks
Report repository
Releases
Packages
Contributors
Languages

, '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" + '

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BranchesTags
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Simple Access Layer (SAL)
A data access and storage middleware.
Provides a hierarchical organisational structure into which various, administrator defined data sources can be stored. Users can locate, read and write data using a simple API.
The SAL server provides a REST API to access and modify data (where permitted). Client libraries for python are provided that automatically de-serialise and convert the SAL data classes into equivalent python objects.
The backend persistence storage is easily replaceable to enable data to be easily stored using a range of different technologies - object stores, filesystems, databases.
Background
This middleware was developed for the Joint European Torus to provide a unified method of access on top of a range of legacy storage technologies. The middleware was built to be a general access method where JET was one user. As such it should be generally useful to the wider community.
Installation
To install SAL for normal use, please use the release version on pypi.org. This can be installed using pip:
pip install sal

Contributing
Contributions to the SAL project are always welcome, but please note that we require the copyright for any contributions to be transferred to the project.
Licensing
SAL is licenced under EUPL-1.2. Please see the LICENSE.txt in the repository.
Dr Alex Meakins - 7th January 2019.
About
The core repository of the Simple Access Layer.
simple-access-layer.github.io/documentation/
Resources
Readme
EUPL-1.2 license
Activity
Custom properties
Stars
3 stars
Watchers
2 watching
Forks
8 forks
Report repository
Releases
Packages
Contributors
Languages

, '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");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Simple Access Layer (SAL)
A data access and storage middleware.
Provides a hierarchical organisational structure into which various, administrator defined data sources can be stored. Users can locate, read and write data using a simple API.
The SAL server provides a REST API to access and modify data (where permitted). Client libraries for python are provided that automatically de-serialise and convert the SAL data classes into equivalent python objects.
The backend persistence storage is easily replaceable to enable data to be easily stored using a range of different technologies - object stores, filesystems, databases.
Background
This middleware was developed for the Joint European Torus to provide a unified method of access on top of a range of legacy storage technologies. The middleware was built to be a general access method where JET was one user. As such it should be generally useful to the wider community.
Installation
To install SAL for normal use, please use the release version on pypi.org. This can be installed using pip:
pip install sal

Contributing
Contributions to the SAL project are always welcome, but please note that we require the copyright for any contributions to be transferred to the project.
Licensing
SAL is licenced under EUPL-1.2. Please see the LICENSE.txt in the repository.
Dr Alex Meakins - 7th January 2019.
About
The core repository of the Simple Access Layer.
simple-access-layer.github.io/documentation/
Resources
Readme
EUPL-1.2 license
Activity
Custom properties
Stars
3 stars
Watchers
2 watching
Forks
8 forks
Report repository
Releases
Packages
Contributors
Languages

, '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('^' + ".*" + '

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BranchesTags
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Simple Access Layer (SAL)
A data access and storage middleware.
Provides a hierarchical organisational structure into which various, administrator defined data sources can be stored. Users can locate, read and write data using a simple API.
The SAL server provides a REST API to access and modify data (where permitted). Client libraries for python are provided that automatically de-serialise and convert the SAL data classes into equivalent python objects.
The backend persistence storage is easily replaceable to enable data to be easily stored using a range of different technologies - object stores, filesystems, databases.
Background
This middleware was developed for the Joint European Torus to provide a unified method of access on top of a range of legacy storage technologies. The middleware was built to be a general access method where JET was one user. As such it should be generally useful to the wider community.
Installation
To install SAL for normal use, please use the release version on pypi.org. This can be installed using pip:
pip install sal

Contributing
Contributions to the SAL project are always welcome, but please note that we require the copyright for any contributions to be transferred to the project.
Licensing
SAL is licenced under EUPL-1.2. Please see the LICENSE.txt in the repository.
Dr Alex Meakins - 7th January 2019.
About
The core repository of the Simple Access Layer.
simple-access-layer.github.io/documentation/
Resources
Readme
EUPL-1.2 license
Activity
Custom properties
Stars
3 stars
Watchers
2 watching
Forks
8 forks
Report repository
Releases
Packages
Contributors
Languages

, '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); }
})();
})();

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Simple Access Layer (SAL)
A data access and storage middleware.
Provides a hierarchical organisational structure into which various, administrator defined data sources can be stored. Users can locate, read and write data using a simple API.
The SAL server provides a REST API to access and modify data (where permitted). Client libraries for python are provided that automatically de-serialise and convert the SAL data classes into equivalent python objects.
The backend persistence storage is easily replaceable to enable data to be easily stored using a range of different technologies - object stores, filesystems, databases.
Background
This middleware was developed for the Joint European Torus to provide a unified method of access on top of a range of legacy storage technologies. The middleware was built to be a general access method where JET was one user. As such it should be generally useful to the wider community.
Installation
To install SAL for normal use, please use the release version on pypi.org. This can be installed using pip:
pip install sal

Contributing
Contributions to the SAL project are always welcome, but please note that we require the copyright for any contributions to be transferred to the project.
Licensing
SAL is licenced under EUPL-1.2. Please see the LICENSE.txt in the repository.
Dr Alex Meakins - 7th January 2019.
About
The core repository of the Simple Access Layer.
simple-access-layer.github.io/documentation/
Resources
Readme
EUPL-1.2 license
Activity
Custom properties
Stars
3 stars
Watchers
2 watching
Forks
8 forks
Report repository
Releases
Packages
Contributors
Languages