2024-10-31 20:18:37 +01:00
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* Simple-Jekyll-Search
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*/
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compile: compile,
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return str.indexOf(word) >= 0
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clear: clear,
search: search,
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/* removed: const _$LiteralSearchStrategy_6 = require('./SearchStrategies/LiteralSearchStrategy') */;
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return mergedOptions
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return false
} catch (err) {
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(function (window) {
'use strict'
let options = {
searchInput: null,
resultsContainer: null,
json: [],
success: Function.prototype,
searchResultTemplate: '< li > < a href = "{url}" title = "{desc}" > {title}< / a > < / li > ',
templateMiddleware: Function.prototype,
sortMiddleware: function () {
return 0
},
noResultsText: 'No results found',
limit: 10,
fuzzy: false,
debounceTime: null,
exclude: []
}
let debounceTimerHandle
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}
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/* removed: const _$Repository_4 = require('./Repository') */;
/* removed: const _$JSONLoader_2 = require('./JSONLoader') */;
const optionsValidator = _$OptionsValidator_3({
required: requiredOptions
})
/* removed: const _$utils_9 = require('./utils') */;
window.SimpleJekyllSearch = function (_options) {
const errors = optionsValidator.validate(_options)
if (errors.length > 0) {
throwError('You must specify the following required options: ' + requiredOptions)
}
options = _$utils_9.merge(options, _options)
_$Templater_7.setOptions({
template: options.searchResultTemplate,
middleware: options.templateMiddleware
})
_$Repository_4.setOptions({
fuzzy: options.fuzzy,
limit: options.limit,
sort: options.sortMiddleware,
exclude: options.exclude
})
if (_$utils_9.isJSON(options.json)) {
initWithJSON(options.json)
} else {
initWithURL(options.json)
}
const rv = {
search: search
}
typeof options.success === 'function' & & options.success.call(rv)
return rv
}
function initWithJSON (json) {
_$Repository_4.put(json)
registerInput()
}
function initWithURL (url) {
_$JSONLoader_2.load(url, function (err, json) {
if (err) {
throwError('failed to get JSON (' + url + ')')
}
initWithJSON(json)
})
}
function emptyResultsContainer () {
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function appendToResultsContainer (text) {
options.resultsContainer.innerHTML += text
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function registerInput () {
options.searchInput.addEventListener('input', function (e) {
if (isWhitelistedKey(e.which)) {
emptyResultsContainer()
debounce(function () { search(e.target.value) }, options.debounceTime)
}
})
}
function search (query) {
if (isValidQuery(query)) {
emptyResultsContainer()
render(_$Repository_4.search(query), query)
}
}
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< ul > < li class = "navigation__item" > < a href = "/archive.html" > Etiquettes< / a > < / li > < li class = "navigation__item" > < a href = "/htmldoc.html" > Documents< / a > < / li > < li class = "navigation__item" > < a href = "/liens_ttrss.html" > Liens< / a > < / li > < li class = "navigation__item" > < a href = "/aide-jekyll-text-theme.html" > Aide< / a > < / li > < / ul >
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2024-11-08 14:10:33 +01:00
< a class = "button button--secondary button--pill button--sm" style = "color:#00FFFF" href = "/archive.html?tag=divers" > divers< / a >
2024-10-31 20:18:37 +01:00
< / li > < / ul > < ul class = "right-col menu" > < li >
< i class = "far fa-calendar-alt" > < / i > < span title = "Création" style = "color:#FF00FF" > 25 déc. 2019< / span >
< span title = "Modification" style = "color:#00FF7F" > 5 oct. 2019< / span > < / li > < / ul > < / div > < meta itemprop = "datePublished" content = "2019-10-05T00:00:00+02:00" >
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< div class = "article__content" itemprop = "articleBody" > < details >
< summary > < b > Afficher/cacher Sommaire< / b > < / summary >
<!-- affichage sommaire -->
< div class = "toc-aside js-toc-root" > < / div >
< / details > < p > URL: https://linuxfr.org/news/creer-une-application-web-avec-jupyter-ipywidgets-et-voila-7b03d5dd-ab10-47cb-a2bd-bd99fa9e2457
Title: Créer une application web avec Jupyter, ipywidgets et voilà
Authors: aboulle
ZeroHeure, Ysabeau et Arkem
Date: 2019-10-04T11:23:14+02:00
License: CC by-sa
Tags: jupyter et ipywidgets
Score: 16< / p >
< p > Vous connaissez sans doute < a href = "https://jupyter.org/" > Jupyter< / a > , cet outil de développement tournant dans un navigateur qui est particulièrement en vogue chez les scientifiques et plus généralement dans les domaines liés au traitement des données. Aujourdʼ ’ ’ ʼ < / p >
< hr / >
< p > < a href = "https://linuxfr.org/users/aboulle/journaux/creer-une-application-web-avec-jupyter-ipywidgets-et-voila" > Journal à l’ < / a >
< a href = "https://jupyter.org/" > Site de Jupyter< / a >
< a href = "https://github.com/aboulle/Divers" > Code des exemples de l’ < / a > < / p >
< hr / >
< h1 id = "à-propos-de-jupyter" > À propos de Jupyter< / h1 >
< p > À titre personnel, et peut-être comme beaucoup des plus anciens (disons 40 ans et plus), j’ ’ < / p >
< ul >
< li > lancer < code class = "language-plaintext highlighter-rouge" > jupyter-notebook< / code > dans une console, basculer sur le navigateur, parcourir l’ < a href = "https://nteract.io/desktop" > nteract< / a > est une application de bureau basée sur electron qui permet de se passer du navigateur < / li >
< li > le fait que les cellules de code puissent être exécutées dans n’ < / li >
< li > le format ipynb (qui est en fait du json contenant plus d’ ’ < a href = "https://nextjournal.com/schmudde/how-to-version-control-jupyter" > il y a des solutions pour contourner ça< / a > , mais tout de même < / li >
< li > tout cela a été < a href = "https://www.youtube.com/watch?v=7jiPeIFXb6U" > mieux présenté par d’ < / a > (< a href = "https://docs.google.com/presentation/d/1n2RlMdmv1p25Xy5thJUhkKGvjtV-dkAIsUXP-AL4ffI/edit#slide=id.g362da58057_0_1" > diapos< / a > de la présentation filmée).< / li >
< / ul >
< p > Eh bien, j’ < / p >
< p > En effet, Jupyter ne vise pas à remplacer notre bonne vieille console, et encore moins notre éditeur de texte favori, mais se place entre les deux. Je paraphraserai < a href = "https://linuxfr.org/news/python-pour-les-sciences-une-presentation" > la dépêche Python pour les sciences< / a > en disant que Jupyter est < em > une console sous stéroïdes< / em > . En effet, Jupyter permet d’ ’ < a href = "https://ipython.org/" > iPython< / a > dont < a href = "https://linuxfr.org/news/sortie-de-ipython-jupyter-notebook-4-1" > Jupyter dérive directement< / a > , tous les objets sont sauvegardés dans un noyau pour pouvoir être réutilisés ailleurs dans le programme sans avoir à tout ré-exécuter. Ceci en fait un excellent outil d’ < / p >
< p > Par ailleurs, le fait que les notebooks Jupyter contiennent non seulement le code, mais aussi les graphiques et figures produits, et qu’ ’ ’ < a href = "https://linuxfr.org/nodes/115554/comments/1763182" > comme le font remarquer certains à juste titre< / a > , le code est fortement obscurci par le format ipynb).< / p >
< p > Il est intéressant de noter que Jupyter est régulièrement évoqué au sein du mouvement < em > open science< / em > , mouvement qui vise à faciliter la diffusion au sein de la communauté scientifique et auprès du grand public, non seulement des résultats et connaissances scientifiques, mais aussi des données brutes et des protocoles d’ < a href = "https://reproducible-analysis-workshop.readthedocs.io/en/latest/index.html" > [1]< / a > < a href = "https://arxiv.org/ftp/arxiv/papers/1804/1804.05492.pdf" > [2]< / a > < a href = "https://www.linuxjournal.com/content/jupyter-future-open-science" > [3]< / a > .< / p >
< p > Bien évidemment ces notebooks Jupyter sont exportables dans différents types de formats (HTML, PDF, etc.) et peuvent également être aisément mis en ligne. < a href = "https://nbviewer.jupyter.org/" > Nbviewer< / a > permet, par exemple, de partager des notebooks simplement en passant une URL ou l’ ’ < / p >
< p > Pour modérer cet enthousiasme débordant il est, premièrement, bon de rappeler que toutes ces visualisations (y compris sur nbviewer) sont strictement statiques. Il n’ ’ ’ ’ < / p >
< p > < em > PS1 : toutes les bibliothèques présentées ci-dessous sont installables via< / em > < code class = "language-plaintext highlighter-rouge" > pip< / code > < em > ou< / em > < code class = "language-plaintext highlighter-rouge" > conda-forge< / code > .
< em > PS2 : Les petits extraits de code donnés ci-dessous sont disponibles sur < a href = "https://github.com/aboulle/Divers" > mon github< / a > .< / em > < / p >
< h1 id = "ajouter-des-composants-graphiques-avec-ipywidgets" > Ajouter des composants graphiques avec ipywidgets< / h1 >
< p > < a href = "https://github.com/jupyter-widgets/ipywidgets" > Ipywidgets< / a > désigne un ensemble de composants graphiques pour le langage python (slider, combo box, boutons, etc.) destinés à rendre les notebooks plus interactifs. En gros il s’ ’ ’ ’ ’ ’ < / p >
< div class = "language-python highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kn" > from< / span > < span class = "n" > ipywidgets< / span > < span class = "kn" > import< / span > < span class = "n" > interact< / span >
< span class = "kn" > import< / span > < span class = "n" > ipywidgets< / span > < span class = "k" > as< / span > < span class = "n" > widgets< / span >
< span class = "k" > def< / span > < span class = "nf" > f< / span > < span class = "p" > (< / span > < span class = "n" > x< / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "n" > x< / span > < span class = "o" > **< / span > < span class = "mi" > 2< / span >
< span class = "nf" > interact< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "p" > ,< / span > < span class = "n" > x< / span > < span class = "o" > =< / span > < span class = "mf" > 10.< / span > < span class = "p" > );< / span >
< / code > < / pre > < / div > < / div >
< p > La fonction < code class = "language-plaintext highlighter-rouge" > interact< / code > est, en fait, un raccourci vers un ensemble de widgets graphiques avec des choix faits par défaut selon le type d’ ’ < / p >
< div class = "language-python highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "c1" > # définit l’
< / span > < span class = "n" > mon_slider< / span > < span class = "o" > =< / span > < span class = "n" > widgets< / span > < span class = "p" > .< / span > < span class = "nc" > FloatSlider< / span > < span class = "p" > (< / span >
< span class = "n" > value< / span > < span class = "o" > =< / span > < span class = "mi" > 10< / span > < span class = "p" > ,< / span >
< span class = "nb" > min< / span > < span class = "o" > =-< / span > < span class = "mi" > 10< / span > < span class = "p" > ,< / span >
< span class = "nb" > max< / span > < span class = "o" > =< / span > < span class = "mi" > 30< / span > < span class = "p" > ,< / span >
< span class = "n" > step< / span > < span class = "o" > =< / span > < span class = "mf" > 0.1< / span > < span class = "p" > ,< / span >
< span class = "n" > description< / span > < span class = "o" > =< / span > < span class = "sh" > '< / span > < span class = "s" > x< / span > < span class = "sh" > '< / span > < span class = "p" > ,< / span >
< span class = "n" > disabled< / span > < span class = "o" > =< / span > < span class = "bp" > False< / span > < span class = "p" > ,< / span >
< span class = "n" > continuous_update< / span > < span class = "o" > =< / span > < span class = "bp" > True< / span > < span class = "p" > ,< / span >
< span class = "n" > orientation< / span > < span class = "o" > =< / span > < span class = "sh" > '< / span > < span class = "s" > horizontal< / span > < span class = "sh" > '< / span > < span class = "p" > ,< / span >
< span class = "n" > readout< / span > < span class = "o" > =< / span > < span class = "bp" > True< / span >
< span class = "p" > )< / span >
< span class = "c1" > # créé une zone de texte pour l’
< / span > < span class = "n" > resultat< / span > < span class = "o" > =< / span > < span class = "n" > widgets< / span > < span class = "p" > .< / span > < span class = "nc" > Output< / span > < span class = "p" > ()< / span >
< span class = "c1" > # définit l’
< / span > < span class = "k" > def< / span > < span class = "nf" > maj_resultat< / span > < span class = "p" > (< / span > < span class = "n" > change< / span > < span class = "p" > ):< / span >
< span class = "k" > with< / span > < span class = "n" > resultat< / span > < span class = "p" > :< / span >
< span class = "n" > resultat< / span > < span class = "p" > .< / span > < span class = "nf" > clear_output< / span > < span class = "p" > ()< / span >
< span class = "nf" > print< / span > < span class = "p" > (< / span > < span class = "nf" > f< / span > < span class = "p" > (< / span > < span class = "n" > change< / span > < span class = "p" > [< / span > < span class = "sh" > '< / span > < span class = "s" > new< / span > < span class = "sh" > '< / span > < span class = "p" > ]))< / span >
< span class = "c1" > # observe le slider
< / span > < span class = "n" > mon_slider< / span > < span class = "p" > .< / span > < span class = "nf" > observe< / span > < span class = "p" > (< / span > < span class = "n" > maj_resultat< / span > < span class = "p" > ,< / span > < span class = "n" > names< / span > < span class = "o" > =< / span > < span class = "sh" > '< / span > < span class = "s" > value< / span > < span class = "sh" > '< / span > < span class = "p" > )< / span >
< span class = "c1" > # affiche les widgets
< / span > < span class = "nf" > display< / span > < span class = "p" > (< / span > < span class = "n" > mon_slider< / span > < span class = "p" > ,< / span > < span class = "n" > resultat< / span > < span class = "p" > )< / span >
< / code > < / pre > < / div > < / div >
< p > C’ < a href = "https://ipywidgets.readthedocs.io/en/latest/index.html" > La documentation de ipywidgets< / a > est tout simplement excellente, et il est possible de maîtriser cette bibliothèque assez rapidement.< / p >
< p > Ipywidgets n’ ’ ’ ’ ’ < / p >
< ul >
< li > < a href = "https://github.com/mariobuikhuizen/ipyvuetify" > ipyvuetify< / a > , pour celles et ceux qui trouveraient les widgets de base d’ < a href = "https://vuetifyjs.com" > vuetify< / a > qui implémentent des composants graphiques obéissants aux spécifications de < em > material design< / em > < / li >
< li > < a href = "https://github.com/bloomberg/bqplot" > bqplot< / a > , un « ’ ’ ’ ’ < / li >
< li > < a href = "https://github.com/maartenbreddels/ipyvolume" > ipyvolume< / a > , même chose mais pour la visualisation de données en 3D, en s’ < / li >
< li > < a href = "https://github.com/jupyter-widgets/ipyleaflet" > ipyleaflet< / a > , affichage et manipulation de cartes et données géographiques < / li >
< li > < a href = "https://github.com/maartenbreddels/ipywebrtc" > ipywebrtc< / a > , permet de diffuser et manipuler du contenu audio ou vidéo depuis à peu près n’ < / li >
< / ul >
< p > Afin d’ ’ ’ < / p >
< ol >
< li > sélectionner une fonction à tracer via un menu déroulant < / li >
< li > la figure est mise à jour en fonction du choix (ipywidgets -> bqplot) < / li >
< li > il est possible de déplacer des points dans la figure < / li >
< li > les coordonnées des points sont affichées dans un champ texte (bqplot -> ipywidgets).< / li >
< / ol >
< div class = "language-python highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "kn" > from< / span > < span class = "n" > ipywidgets< / span > < span class = "kn" > import< / span > < span class = "n" > interact< / span > < span class = "p" > ,< / span > < span class = "n" > fixed< / span >
< span class = "kn" > import< / span > < span class = "n" > ipywidgets< / span > < span class = "k" > as< / span > < span class = "n" > widgets< / span >
< span class = "kn" > from< / span > < span class = "n" > bqplot< / span > < span class = "kn" > import< / span > < span class = "n" > pyplot< / span > < span class = "k" > as< / span > < span class = "n" > plt< / span >
< span class = "kn" > import< / span > < span class = "n" > numpy< / span > < span class = "k" > as< / span > < span class = "n" > np< / span >
< span class = "kn" > from< / span > < span class = "n" > numpy.random< / span > < span class = "kn" > import< / span > < span class = "n" > rand< / span >
< span class = "c1" > # génère des abscisses
< / span > < span class = "n" > x< / span > < span class = "o" > =< / span > < span class = "n" > np< / span > < span class = "p" > .< / span > < span class = "nf" > arange< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 10< / span > < span class = "p" > ,< / span > < span class = "mf" > 0.1< / span > < span class = "p" > )< / span >
< span class = "c1" > # créé une figure y = f(x)
< / span > < span class = "n" > ma_figure< / span > < span class = "o" > =< / span > < span class = "n" > plt< / span > < span class = "p" > .< / span > < span class = "nf" > figure< / span > < span class = "p" > (< / span > < span class = "n" > animation_duration< / span > < span class = "o" > =< / span > < span class = "mi" > 300< / span > < span class = "p" > )< / span >
< span class = "n" > mon_tracé< / span > < span class = "o" > =< / span > < span class = "n" > plt< / span > < span class = "p" > .< / span > < span class = "nf" > scatter< / span > < span class = "p" > (< / span > < span class = "n" > x< / span > < span class = "p" > ,< / span > < span class = "n" > x< / span > < span class = "o" > **< / span > < span class = "mi" > 2< / span > < span class = "p" > ,< / span > < span class = "n" > enable_move< / span > < span class = "o" > =< / span > < span class = "bp" > True< / span > < span class = "p" > )< / span >
< span class = "n" > plt< / span > < span class = "p" > .< / span > < span class = "nf" > xlabel< / span > < span class = "p" > (< / span > < span class = "sh" > '< / span > < span class = "s" > Axe des x< / span > < span class = "sh" > '< / span > < span class = "p" > )< / span >
< span class = "c1" > # initialise une zone d’
< / span > < span class = "n" > resultat2< / span > < span class = "o" > =< / span > < span class = "n" > widgets< / span > < span class = "p" > .< / span > < span class = "nc" > Output< / span > < span class = "p" > ()< / span >
< span class = "c1" > # choix de la fonction à tracer -> créé automatiquement un menu déroulant
# modifie le tracé en fonction de la valeur du widget
# il est possible d’
# il est possible de fixer les variables ne devant pas faire l’ ’
< / span > < span class = "nd" > @interact< / span > < span class = "p" > (< / span > < span class = "n" > fonction< / span > < span class = "o" > =< / span > < span class = "p" > [< / span > < span class = "sh" > '< / span > < span class = "s" > parabole< / span > < span class = "sh" > '< / span > < span class = "p" > ,< / span > < span class = "sh" > '< / span > < span class = "s" > sinus< / span > < span class = "sh" > '< / span > < span class = "p" > ,< / span > < span class = "sh" > '< / span > < span class = "s" > hasard< / span > < span class = "sh" > '< / span > < span class = "p" > ],< / span > < span class = "n" > x< / span > < span class = "o" > =< / span > < span class = "nf" > fixed< / span > < span class = "p" > (< / span > < span class = "n" > x< / span > < span class = "p" > ))< / span >
< span class = "k" > def< / span > < span class = "nf" > choix_fonction< / span > < span class = "p" > (< / span > < span class = "n" > fonction< / span > < span class = "p" > ,< / span > < span class = "n" > x< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "n" > fonction< / span > < span class = "o" > ==< / span > < span class = "sh" > '< / span > < span class = "s" > parabole< / span > < span class = "sh" > '< / span > < span class = "p" > :< / span >
< span class = "k" > with< / span > < span class = "n" > mon_tracé< / span > < span class = "p" > .< / span > < span class = "nf" > hold_sync< / span > < span class = "p" > ():< / span >
< span class = "n" > mon_tracé< / span > < span class = "p" > .< / span > < span class = "n" > x< / span > < span class = "o" > =< / span > < span class = "n" > x< / span >
< span class = "n" > mon_tracé< / span > < span class = "p" > .< / span > < span class = "n" > y< / span > < span class = "o" > =< / span > < span class = "n" > x< / span > < span class = "o" > **< / span > < span class = "mi" > 2< / span >
< span class = "n" > plt< / span > < span class = "p" > .< / span > < span class = "nf" > ylabel< / span > < span class = "p" > (< / span > < span class = "sh" > '< / span > < span class = "s" > x au carré< / span > < span class = "sh" > '< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > fonction< / span > < span class = "o" > ==< / span > < span class = "sh" > '< / span > < span class = "s" > sinus< / span > < span class = "sh" > '< / span > < span class = "p" > :< / span >
< span class = "k" > with< / span > < span class = "n" > mon_tracé< / span > < span class = "p" > .< / span > < span class = "nf" > hold_sync< / span > < span class = "p" > ():< / span >
< span class = "n" > mon_tracé< / span > < span class = "p" > .< / span > < span class = "n" > x< / span > < span class = "o" > =< / span > < span class = "n" > x< / span >
< span class = "n" > mon_tracé< / span > < span class = "p" > .< / span > < span class = "n" > y< / span > < span class = "o" > =< / span > < span class = "n" > np< / span > < span class = "p" > .< / span > < span class = "nf" > sin< / span > < span class = "p" > (< / span > < span class = "n" > x< / span > < span class = "p" > )< / span >
< span class = "n" > plt< / span > < span class = "p" > .< / span > < span class = "nf" > ylabel< / span > < span class = "p" > (< / span > < span class = "sh" > '< / span > < span class = "s" > sin(x)< / span > < span class = "sh" > '< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > fonction< / span > < span class = "o" > ==< / span > < span class = "sh" > '< / span > < span class = "s" > hasard< / span > < span class = "sh" > '< / span > < span class = "p" > :< / span >
< span class = "k" > with< / span > < span class = "n" > mon_tracé< / span > < span class = "p" > .< / span > < span class = "nf" > hold_sync< / span > < span class = "p" > ():< / span >
< span class = "n" > mon_tracé< / span > < span class = "p" > .< / span > < span class = "n" > x< / span > < span class = "o" > =< / span > < span class = "n" > x< / span >
< span class = "n" > mon_tracé< / span > < span class = "p" > .< / span > < span class = "n" > y< / span > < span class = "o" > =< / span > < span class = "nf" > rand< / span > < span class = "p" > (< / span > < span class = "nf" > len< / span > < span class = "p" > (< / span > < span class = "n" > x< / span > < span class = "p" > ))< / span >
< span class = "n" > plt< / span > < span class = "p" > .< / span > < span class = "nf" > ylabel< / span > < span class = "p" > (< / span > < span class = "sh" > '< / span > < span class = "s" > Nombres aléatoires< / span > < span class = "sh" > '< / span > < span class = "p" > )< / span >
< span class = "c1" > # fonction qui lit et affiche les coordonnées d’
< / span > < span class = "k" > def< / span > < span class = "nf" > affiche< / span > < span class = "p" > (< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "p" > ):< / span >
< span class = "k" > with< / span > < span class = "n" > resultat2< / span > < span class = "p" > :< / span >
< span class = "n" > resultat2< / span > < span class = "p" > .< / span > < span class = "nf" > clear_output< / span > < span class = "p" > ()< / span >
< span class = "nf" > print< / span > < span class = "p" > (< / span > < span class = "sh" > '< / span > < span class = "s" > Le point n° %i a été déplacé en x = %f y = %f< / span > < span class = "sh" > '< / span >
< span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > [< / span > < span class = "sh" > '< / span > < span class = "s" > index< / span > < span class = "sh" > '< / span > < span class = "p" > ],< / span > < span class = "n" > value< / span > < span class = "p" > [< / span > < span class = "sh" > '< / span > < span class = "s" > point< / span > < span class = "sh" > '< / span > < span class = "p" > ][< / span > < span class = "sh" > '< / span > < span class = "s" > x< / span > < span class = "sh" > '< / span > < span class = "p" > ],< / span > < span class = "n" > value< / span > < span class = "p" > [< / span > < span class = "sh" > '< / span > < span class = "s" > point< / span > < span class = "sh" > '< / span > < span class = "p" > ][< / span > < span class = "sh" > '< / span > < span class = "s" > y< / span > < span class = "sh" > '< / span > < span class = "p" > ]))< / span >
< span class = "c1" > # détecte le déplacement d’
< / span > < span class = "n" > mon_tracé< / span > < span class = "p" > .< / span > < span class = "nf" > on_drag_end< / span > < span class = "p" > (< / span > < span class = "n" > affiche< / span > < span class = "p" > )< / span >
< span class = "c1" > # créé la gui
# il est possible de mixer des widgets créés via interact avec d’
< / span > < span class = "n" > widgets< / span > < span class = "p" > .< / span > < span class = "nc" > VBox< / span > < span class = "p" > ([< / span > < span class = "n" > ma_figure< / span > < span class = "p" > ,< / span > < span class = "n" > resultat2< / span > < span class = "p" > ])< / span >
< / code > < / pre > < / div > < / div >
< p > Toutes ces bibliothèques sont relativement jeunes et il peut arriver que la documentation ne soit pas exhaustive (c’ ’ < em > examples< / em > . Dans le cas de bqplot, c’ ’ < / p >
< h1 id = "masquer-le-code-avec-appmode-ou-voilà" > Masquer le code avec Appmode ou Voilà< / h1 >
< p > Maintenant que nous savons comment créer une petite interface graphique, pourquoi ne pas cacher tout ce code afin de ne pas effrayer les débutants < a href = "https://github.com/oschuett/appmode" > Appmode< / a > est une extension pour Jupyter qui permet très exactement de faire cela : l’ < code class = "language-plaintext highlighter-rouge" > Appmode< / code > à l’ < / p >
< p > Si elle est très efficace, cette extension peut être problématique si le notebook est destiné à être hébergé sur un serveur Jupyter ouvert fournit pas votre entreprise / université / école… En effet le notebook reste entièrement accessible et rien n’ ’ ’ < a href = "https://github.com/voila-dashboards/voila" > voilà< / a > . Ce projet est très jeune puisqu’ ’ < a href = "https://blog.jupyter.org/and-voil%C3%A0-f6a2c08a4a93" > ce très instructif billet de blog< / a > mais il s’ ’ ’ ’ < a href = "https://www.tornadoweb.org/" > tornado< / a > .< / p >
< p > La < a href = "https://voila-gallery.org/services/gallery/" > galerie< / a > de < em > voilà< / em > regorge d’ < a href = "https://voila-gallery.org/user/voila-gallery-gaussian-density-nzh9rp3d/voila/render/index.ipynb?token=zu-axkwTRI2Fr-QOaNHPGw" > celui-ci où on peut jouer avec une fonction gaussienne< / a > . En voyant cet exemple il est utile de rappeler que tout ceci n’ ’ ’ < / p >
< h1 id = "héberger-lapplication-web" > Héberger l’ < / h1 >
< p > Dernière étape pour finaliser notre application web ’ < em > nbviewer< / em > est exclu puisque celui-ci ne permet pas d’ ’ ’ ’ ’ ’ < em > voilà< / em > < code class = "language-plaintext highlighter-rouge" > jupyter serverextension enable voila --sys-prefix< / code > puis de préfixer l’
< code class = "language-plaintext highlighter-rouge" > http://URL_DU_SERVEUR/NOM_DU_NOTEBOOK.ipynb< / code >
devient
< code class = "language-plaintext highlighter-rouge" > http://URL_DU_SERVEUR/voila/NOM_DU_NOTEBOOK.ipynb< / code > < / p >
< p > Notez qu’ < code class = "language-plaintext highlighter-rouge" > voila notebook.ipynb< / code > dans votre terminal et le rendu sera visible sur < code class = "language-plaintext highlighter-rouge" > localhost:8866< / code > .< / p >
< p > Si vous n’ ’ < a href = "https://mybinder.org/" > Mybinder< / a > permet de venir se brancher sur un dépôt git, puis, à l’ ’ < code class = "language-plaintext highlighter-rouge" > requirements.txt< / code > ou < code class = "language-plaintext highlighter-rouge" > environment.yml< / code > listant les dépendances requises, Mybinder va construire une image Docker du dépôt et votre notebook sera servi via un < a href = "https://jupyterhub.readthedocs.io/en/latest/" > JupyterHub< / a > . Le contenu du fichier < code class = "language-plaintext highlighter-rouge" > environment.yml< / code > pour les exemples précédents est :< / p >
< div class = "language-yaml highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "na" > channels< / span > < span class = "pi" > :< / span >
< span class = "pi" > -< / span > < span class = "s" > conda-forge< / span >
< span class = "na" > dependencies< / span > < span class = "pi" > :< / span >
< span class = "pi" > -< / span > < span class = "s" > numpy< / span >
< span class = "pi" > -< / span > < span class = "s" > ipywidgets< / span >
< span class = "pi" > -< / span > < span class = "s" > bqplot< / span >
< span class = "pi" > -< / span > < span class = "s" > voila< / span >
< / code > < / pre > < / div > < / div >
< p > Finalement le notebook est accessible par un lien de la forme : < a href = "https://mybinder.org/v2/gh/aboulle/Divers/master?filepath=%2Fipywidgets_linuxfr.ipynb" > < img src = "https://mybinder.org/badge_logo.svg" alt = "Binder" / > < / a >
Deux remarques utiles à ce stade < / p >
< ol >
< li > la création de l’ < / li >
< li > concernant < em > voilà< / em > , il existe apparemment un moyen d’ < code class = "language-plaintext highlighter-rouge" > /voila/render/< / code > , mais pour moi cela ne semble pas fonctionner avant la première création de l’ ‘ ’ < / li >
< / ol >
< p > < a href = "https://www.heroku.com/" > Heroku< / a > est une solution alternative à mybinder. La procédure de déploiement est cependant moins aisée (mais les tutoriels sont très bons), et < a href = "https://devcenter.heroku.com/articles/python-pip#scientific-python-users" > les dépendances considérées comme « < / a > ne sont pas gérées ’ < / p >
< h1 id = "mot-de-la-fin" > Mot de la fin< / h1 >
< p > Pour conclure, et pour illustrer le fait qu’ ’ ’ < a href = "https://radmax.unilim.fr" > mettre en ligne< / a > (un grand merci à lui !).< / p >
< p > En bref il s’ < a href = "https://fr.wikipedia.org/wiki/Cristallographie_aux_rayons_X" > diffraction des rayons X< / a > expérimentales. Les graphes de gauche sont manipulables et le rendu des calculs est donné en temps réel dans le graphe de droite. Pour le contexte, l’ ’ ’ ’ ’ < / p >
< p > Si ça vous intéresse, < a href = "https://github.com/aboulle/RaDMaX-webapp" > voici les sources< / a > .< / p >
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< script > / * !
* Simple-Jekyll-Search
* Copyright 2015-2020, Christian Fei
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compile: compile,
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return false
}
return typeof params.required !== 'undefined' & & params.required instanceof Array
}
}
'use strict'
var _$utils_9 = {
merge: merge,
isJSON: isJSON
}
function merge (defaultParams, mergeParams) {
const mergedOptions = {}
for (const option in defaultParams) {
mergedOptions[option] = defaultParams[option]
if (typeof mergeParams[option] !== 'undefined') {
mergedOptions[option] = mergeParams[option]
}
}
return mergedOptions
}
function isJSON (json) {
try {
if (json instanceof Object & & JSON.parse(JSON.stringify(json))) {
return true
}
return false
} catch (err) {
return false
}
}
var _$src_8 = {};
(function (window) {
'use strict'
let options = {
searchInput: null,
resultsContainer: null,
json: [],
success: Function.prototype,
searchResultTemplate: '< li > < a href = "{url}" title = "{desc}" > {title}< / a > < / li > ',
templateMiddleware: Function.prototype,
sortMiddleware: function () {
return 0
},
noResultsText: 'No results found',
limit: 10,
fuzzy: false,
debounceTime: null,
exclude: []
}
let debounceTimerHandle
const debounce = function (func, delayMillis) {
if (delayMillis) {
clearTimeout(debounceTimerHandle)
debounceTimerHandle = setTimeout(func, delayMillis)
} else {
func.call()
}
}
const requiredOptions = ['searchInput', 'resultsContainer', 'json']
/* removed: const _$Templater_7 = require('./Templater') */;
/* removed: const _$Repository_4 = require('./Repository') */;
/* removed: const _$JSONLoader_2 = require('./JSONLoader') */;
const optionsValidator = _$OptionsValidator_3({
required: requiredOptions
})
/* removed: const _$utils_9 = require('./utils') */;
window.SimpleJekyllSearch = function (_options) {
const errors = optionsValidator.validate(_options)
if (errors.length > 0) {
throwError('You must specify the following required options: ' + requiredOptions)
}
options = _$utils_9.merge(options, _options)
_$Templater_7.setOptions({
template: options.searchResultTemplate,
middleware: options.templateMiddleware
})
_$Repository_4.setOptions({
fuzzy: options.fuzzy,
limit: options.limit,
sort: options.sortMiddleware,
exclude: options.exclude
})
if (_$utils_9.isJSON(options.json)) {
initWithJSON(options.json)
} else {
initWithURL(options.json)
}
const rv = {
search: search
}
typeof options.success === 'function' & & options.success.call(rv)
return rv
}
function initWithJSON (json) {
_$Repository_4.put(json)
registerInput()
}
function initWithURL (url) {
_$JSONLoader_2.load(url, function (err, json) {
if (err) {
throwError('failed to get JSON (' + url + ')')
}
initWithJSON(json)
})
}
function emptyResultsContainer () {
options.resultsContainer.innerHTML = ''
}
function appendToResultsContainer (text) {
options.resultsContainer.innerHTML += text
}
function registerInput () {
options.searchInput.addEventListener('input', function (e) {
if (isWhitelistedKey(e.which)) {
emptyResultsContainer()
debounce(function () { search(e.target.value) }, options.debounceTime)
}
})
}
function search (query) {
if (isValidQuery(query)) {
emptyResultsContainer()
render(_$Repository_4.search(query), query)
}
}
function render (results, query) {
const len = results.length
if (len === 0) {
return appendToResultsContainer(options.noResultsText)
}
for (let i = 0; i < len ; i + + ) {
results[i].query = query
appendToResultsContainer(_$Templater_7.compile(results[i]))
}
}
function isValidQuery (query) {
return query & & query.length > 0
}
function isWhitelistedKey (key) {
return [13, 16, 20, 37, 38, 39, 40, 91].indexOf(key) === -1
}
function throwError (message) {
throw new Error('SimpleJekyllSearch --- ' + message)
}
})(window)
}());
< / script >
<!-- Configuration -->
< script >
SimpleJekyllSearch({
searchInput: document.getElementById('search-input'),
resultsContainer: document.getElementById('results-container'),
noResultsText: '< p > Aucun résultat!< / p > ',
json: '/search.json',
searchResultTemplate: '< li > < a href = "{url}" > {date} {title}< / a > (Création {create})< / li > '
})
< / script >
< / div > < / div >
< script > ( f u n c t i o n ( ) {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function scrollToAnchor(anchor, duration, callback) {
var $root = this;
$root.animate({ scrollTop: $(anchor).position().top }, duration, function() {
window.history.replaceState(null, '', window.location.href.split('#')[0] + anchor);
callback & & callback();
});
}
$.fn.scrollToAnchor = scrollToAnchor;
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function affix(options) {
var $root = this, $window = $(window), $scrollTarget, $scroll,
offsetBottom = 0, scrollTarget = window, scroll = window.document, disabled = false, isOverallScroller = true,
rootTop, rootLeft, rootHeight, scrollBottom, rootBottomTop,
hasInit = false, curState;
function setOptions(options) {
var _options = options || {};
_options.offsetBottom & & (offsetBottom = _options.offsetBottom);
_options.scrollTarget & & (scrollTarget = _options.scrollTarget);
_options.scroll & & (scroll = _options.scroll);
_options.disabled !== undefined & & (disabled = _options.disabled);
$scrollTarget = $(scrollTarget);
isOverallScroller = window.isOverallScroller($scrollTarget[0]);
$scroll = $(scroll);
}
function preCalc() {
top();
rootHeight = $root.outerHeight();
rootTop = $root.offset().top + (isOverallScroller ? 0 : $scrollTarget.scrollTop());
rootLeft = $root.offset().left;
}
function calc(needPreCalc) {
needPreCalc & & preCalc();
scrollBottom = $scroll.outerHeight() - offsetBottom - rootHeight;
rootBottomTop = scrollBottom - rootTop;
}
function top() {
if (curState !== 'top') {
$root.removeClass('fixed').css({
left: 0,
top: 0
});
curState = 'top';
}
}
function fixed() {
if (curState !== 'fixed') {
$root.addClass('fixed').css({
left: rootLeft + 'px',
top: 0
});
curState = 'fixed';
}
}
function bottom() {
if (curState !== 'bottom') {
$root.removeClass('fixed').css({
left: 0,
top: rootBottomTop + 'px'
});
curState = 'bottom';
}
}
function setState() {
var scrollTop = $scrollTarget.scrollTop();
if (scrollTop >= rootTop & & scrollTop < = scrollBottom) {
fixed();
} else if (scrollTop < rootTop ) {
top();
} else {
bottom();
}
}
function init() {
if(!hasInit) {
var interval, timeout;
calc(true); setState();
// run calc every 100 millisecond
interval = setInterval(function() {
calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
}, 45000);
window.pageLoad.then(function() {
setTimeout(function() {
clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState();
});
$window.on('resize', function() {
disabled || (calc(true), setState());
});
hasInit = true;
}
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions,
refresh: function() {
calc(true, { animation: false }); setState();
}
};
}
$.fn.affix = affix;
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function toc(options) {
var $root = this, $window = $(window), $scrollTarget, $scroller, $tocUl = $('< ul class = "toc toc--ellipsis" > < / ul > '), $tocLi, $headings, $activeLast, $activeCur,
selectors = 'h1,h2,h3', container = 'body', scrollTarget = window, scroller = 'html, body', disabled = false,
headingsPos, scrolling = false, hasRendered = false, hasInit = false;
function setOptions(options) {
var _options = options || {};
_options.selectors & & (selectors = _options.selectors);
_options.container & & (container = _options.container);
_options.scrollTarget & & (scrollTarget = _options.scrollTarget);
_options.scroller & & (scroller = _options.scroller);
_options.disabled !== undefined & & (disabled = _options.disabled);
$headings = $(container).find(selectors).filter('[id]');
$scrollTarget = $(scrollTarget);
$scroller = $(scroller);
}
function calc() {
headingsPos = [];
$headings.each(function() {
headingsPos.push(Math.floor($(this).position().top));
});
}
function setState(element, disabled) {
var scrollTop = $scrollTarget.scrollTop(), i;
if (disabled || !headingsPos || headingsPos.length < 1 ) { return ; }
if (element) {
$activeCur = element;
} else {
for (i = 0; i < headingsPos.length ; i + + ) {
if (scrollTop >= headingsPos[i]) {
$activeCur = $tocLi.eq(i);
} else {
$activeCur || ($activeCur = $tocLi.eq(i));
break;
}
}
}
$activeLast & & $activeLast.removeClass('active');
($activeLast = $activeCur).addClass('active');
}
function render() {
if(!hasRendered) {
$root.append($tocUl);
$headings.each(function() {
var $this = $(this);
$tocUl.append($('< li > < / li > ').addClass('toc-' + $this.prop('tagName').toLowerCase())
.append($('< a > < / a > ').text($this.text()).attr('href', '#' + $this.prop('id'))));
});
$tocLi = $tocUl.children('li');
$tocUl.on('click', 'a', function(e) {
e.preventDefault();
var $this = $(this);
scrolling = true;
setState($this.parent());
$scroller.scrollToAnchor($this.attr('href'), 400, function() {
scrolling = false;
});
});
}
hasRendered = true;
}
function init() {
var interval, timeout;
if(!hasInit) {
render(); calc(); setState(null, scrolling);
// run calc every 100 millisecond
interval = setInterval(function() {
calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
}, 45000);
window.pageLoad.then(function() {
setTimeout(function() {
clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState(null, scrolling);
});
$window.on('resize', window.throttle(function() {
if (!disabled) {
render(); calc(); setState(null, scrolling);
}
}, 100));
}
hasInit = true;
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions
};
}
$.fn.toc = toc;
});
})();
/*(function () {
})();*/
< / script > < script >
/* toc must before affix, since affix need to konw toc' height. */(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
var TOC_SELECTOR = window.TEXT_VARIABLES.site.toc.selectors;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window);
var $articleContent = $('.js-article-content');
var $tocRoot = $('.js-toc-root'), $col2 = $('.js-col-aside');
var toc;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
var hasToc = $articleContent.find(TOC_SELECTOR).length > 0;
function disabled() {
return $col2.css('display') === 'none' || !hasToc;
}
tocDisabled = disabled();
toc = $tocRoot.toc({
selectors: TOC_SELECTOR,
container: $articleContent,
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
tocDisabled = disabled();
toc & & toc.setOptions({
disabled: tocDisabled
});
}, 100));
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window), $pageFooter = $('.js-page-footer');
var $pageAside = $('.js-page-aside');
var affix;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
affix = $pageAside.affix({
offsetBottom: $pageFooter.outerHeight(),
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
scroll: hasSidebar ? $('.js-page-main').children() : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
affix & & affix.setOptions({
disabled: tocDisabled
});
}, 100));
window.pageAsideAffix = affix;
});
})();
< / script > <!-- -->
< / div >
< script > ( f u n c t i o n ( ) {
var $root = document.getElementsByClassName('root')[0];
if (window.hasEvent('touchstart')) {
$root.dataset.isTouch = true;
document.addEventListener('touchstart', function(){}, false);
}
})();
< / script >
< / body >
< / html >
