première version du prototype

.vscode/settings.json

+{
+    "python.pythonPath": "/home/sylvain/.local/share/virtualenvs/grammacolor-70t329W_/bin/python"
+}
\ No newline at end of file

Pipfile

+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+
+[packages]
+django = "==2.1"
+
+[requires]
+python_version = "3.6"

Pipfile.lock

+{
+    "_meta": {
+        "hash": {
+            "sha256": "3980b4c398b49fce17254cae08aa5ae01e7c65f2f184ceb8fc28a13382e222e2"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "3.6"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "django": {
+            "hashes": [
+                "sha256:7f246078d5a546f63c28fc03ce71f4d7a23677ce42109219c24c9ffb28416137",
+                "sha256:ea50d85709708621d956187c6b61d9f9ce155007b496dd914fdb35db8d790aec"
+            ],
+            "index": "pypi",
+            "version": "==2.1"
+        },
+        "pytz": {
+            "hashes": [
+                "sha256:a494d53b6d39c3c6e44c3bec237336e14305e4f29bbf800b599253057fbb79ed",
+                "sha256:c35965d010ce31b23eeb663ed3cc8c906275d6be1a34393a1d73a41febf4a048"
+            ],
+            "version": "==2020.1"
+        }
+    },
+    "develop": {}
+}

assets/admin/css/autocomplete.css

+select.admin-autocomplete {
+    width: 20em;
+}
+
+.select2-container--admin-autocomplete.select2-container {
+    min-height: 30px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--single,
+.select2-container--admin-autocomplete .select2-selection--multiple {
+    min-height: 30px;
+    padding: 0;
+}
+
+.select2-container--admin-autocomplete.select2-container--focus .select2-selection,
+.select2-container--admin-autocomplete.select2-container--open .select2-selection {
+    border-color: #999;
+    min-height: 30px;
+}
+
+.select2-container--admin-autocomplete.select2-container--focus .select2-selection.select2-selection--single,
+.select2-container--admin-autocomplete.select2-container--open .select2-selection.select2-selection--single {
+    padding: 0;
+}
+
+.select2-container--admin-autocomplete.select2-container--focus .select2-selection.select2-selection--multiple,
+.select2-container--admin-autocomplete.select2-container--open .select2-selection.select2-selection--multiple {
+    padding: 0;
+}
+
+.select2-container--admin-autocomplete .select2-selection--single {
+    background-color: #fff;
+    border: 1px solid #ccc;
+    border-radius: 4px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--single .select2-selection__rendered {
+    color: #444;
+    line-height: 30px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--single .select2-selection__clear {
+    cursor: pointer;
+    float: right;
+    font-weight: bold;
+}
+
+.select2-container--admin-autocomplete .select2-selection--single .select2-selection__placeholder {
+    color: #999;
+}
+
+.select2-container--admin-autocomplete .select2-selection--single .select2-selection__arrow {
+    height: 26px;
+    position: absolute;
+    top: 1px;
+    right: 1px;
+    width: 20px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--single .select2-selection__arrow b {
+    border-color: #888 transparent transparent transparent;
+    border-style: solid;
+    border-width: 5px 4px 0 4px;
+    height: 0;
+    left: 50%;
+    margin-left: -4px;
+    margin-top: -2px;
+    position: absolute;
+    top: 50%;
+    width: 0;
+}
+
+.select2-container--admin-autocomplete[dir="rtl"] .select2-selection--single .select2-selection__clear {
+    float: left;
+}
+
+.select2-container--admin-autocomplete[dir="rtl"] .select2-selection--single .select2-selection__arrow {
+    left: 1px;
+    right: auto;
+}
+
+.select2-container--admin-autocomplete.select2-container--disabled .select2-selection--single {
+    background-color: #eee;
+    cursor: default;
+}
+
+.select2-container--admin-autocomplete.select2-container--disabled .select2-selection--single .select2-selection__clear {
+    display: none;
+}
+
+.select2-container--admin-autocomplete.select2-container--open .select2-selection--single .select2-selection__arrow b {
+    border-color: transparent transparent #888 transparent;
+    border-width: 0 4px 5px 4px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple {
+    background-color: white;
+    border: 1px solid #ccc;
+    border-radius: 4px;
+    cursor: text;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple .select2-selection__rendered {
+    box-sizing: border-box;
+    list-style: none;
+    margin: 0;
+    padding: 0 5px;
+    width: 100%;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple .select2-selection__rendered li {
+    list-style: none;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple .select2-selection__placeholder {
+    color: #999;
+    margin-top: 5px;
+    float: left;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple .select2-selection__clear {
+    cursor: pointer;
+    float: right;
+    font-weight: bold;
+    margin: 5px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple .select2-selection__choice {
+    background-color: #e4e4e4;
+    border: 1px solid #ccc;
+    border-radius: 4px;
+    cursor: default;
+    float: left;
+    margin-right: 5px;
+    margin-top: 5px;
+    padding: 0 5px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple .select2-selection__choice__remove {
+    color: #999;
+    cursor: pointer;
+    display: inline-block;
+    font-weight: bold;
+    margin-right: 2px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple .select2-selection__choice__remove:hover {
+    color: #333;
+}
+
+.select2-container--admin-autocomplete[dir="rtl"] .select2-selection--multiple .select2-selection__choice, .select2-container--admin-autocomplete[dir="rtl"] .select2-selection--multiple .select2-selection__placeholder, .select2-container--admin-autocomplete[dir="rtl"] .select2-selection--multiple .select2-search--inline {
+    float: right;
+}
+
+.select2-container--admin-autocomplete[dir="rtl"] .select2-selection--multiple .select2-selection__choice {
+    margin-left: 5px;
+    margin-right: auto;
+}
+
+.select2-container--admin-autocomplete[dir="rtl"] .select2-selection--multiple .select2-selection__choice__remove {
+    margin-left: 2px;
+    margin-right: auto;
+}
+
+.select2-container--admin-autocomplete.select2-container--focus .select2-selection--multiple {
+    border: solid #999 1px;
+    outline: 0;
+}
+
+.select2-container--admin-autocomplete.select2-container--disabled .select2-selection--multiple {
+    background-color: #eee;
+    cursor: default;
+}
+
+.select2-container--admin-autocomplete.select2-container--disabled .select2-selection__choice__remove {
+    display: none;
+}
+
+.select2-container--admin-autocomplete.select2-container--open.select2-container--above .select2-selection--single, .select2-container--admin-autocomplete.select2-container--open.select2-container--above .select2-selection--multiple {
+    border-top-left-radius: 0;
+    border-top-right-radius: 0;
+}
+
+.select2-container--admin-autocomplete.select2-container--open.select2-container--below .select2-selection--single, .select2-container--admin-autocomplete.select2-container--open.select2-container--below .select2-selection--multiple {
+    border-bottom-left-radius: 0;
+    border-bottom-right-radius: 0;
+}
+
+.select2-container--admin-autocomplete .select2-search--dropdown .select2-search__field {
+    border: 1px solid #ccc;
+}
+
+.select2-container--admin-autocomplete .select2-search--inline .select2-search__field {
+    background: transparent;
+    border: none;
+    outline: 0;
+    box-shadow: none;
+    -webkit-appearance: textfield;
+}
+
+.select2-container--admin-autocomplete .select2-results > .select2-results__options {
+    max-height: 200px;
+    overflow-y: auto;
+}
+
+.select2-container--admin-autocomplete .select2-results__option[role=group] {
+    padding: 0;
+}
+
+.select2-container--admin-autocomplete .select2-results__option[aria-disabled=true] {
+    color: #999;
+}
+
+.select2-container--admin-autocomplete .select2-results__option[aria-selected=true] {
+    background-color: #ddd;
+}
+
+.select2-container--admin-autocomplete .select2-results__option .select2-results__option {
+    padding-left: 1em;
+}
+
+.select2-container--admin-autocomplete .select2-results__option .select2-results__option .select2-results__group {
+    padding-left: 0;
+}
+
+.select2-container--admin-autocomplete .select2-results__option .select2-results__option .select2-results__option {
+    margin-left: -1em;
+    padding-left: 2em;
+}
+
+.select2-container--admin-autocomplete .select2-results__option .select2-results__option .select2-results__option .select2-results__option {
+    margin-left: -2em;
+    padding-left: 3em;
+}
+
+.select2-container--admin-autocomplete .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option {
+    margin-left: -3em;
+    padding-left: 4em;
+}
+
+.select2-container--admin-autocomplete .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option {
+    margin-left: -4em;
+    padding-left: 5em;
+}
+
+.select2-container--admin-autocomplete .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option {
+    margin-left: -5em;
+    padding-left: 6em;
+}
+
+.select2-container--admin-autocomplete .select2-results__option--highlighted[aria-selected] {
+    background-color: #79aec8;
+    color: white;
+}
+
+.select2-container--admin-autocomplete .select2-results__group {
+    cursor: default;
+    display: block;
+    padding: 6px;
+}

assets/admin/css/base.css

+/*
+    DJANGO Admin styles
+*/
+
+@import url(fonts.css);
+
+body {
+    margin: 0;
+    padding: 0;
+    font-size: 14px;
+    font-family: "Roboto","Lucida Grande","DejaVu Sans","Bitstream Vera Sans",Verdana,Arial,sans-serif;
+    color: #333;
+    background: #fff;
+}
+
+/* LINKS */
+
+a:link, a:visited {
+    color: #447e9b;
+    text-decoration: none;
+}
+
+a:focus, a:hover {
+    color: #036;
+}
+
+a:focus {
+    text-decoration: underline;
+}
+
+a img {
+    border: none;
+}
+
+a.section:link, a.section:visited {
+    color: #fff;
+    text-decoration: none;
+}
+
+a.section:focus, a.section:hover {
+    text-decoration: underline;
+}
+
+/* GLOBAL DEFAULTS */
+
+p, ol, ul, dl {
+    margin: .2em 0 .8em 0;
+}
+
+p {
+    padding: 0;
+    line-height: 140%;
+}
+
+h1,h2,h3,h4,h5 {
+    font-weight: bold;
+}
+
+h1 {
+    margin: 0 0 20px;
+    font-weight: 300;
+    font-size: 20px;
+    color: #666;
+}
+
+h2 {
+    font-size: 16px;
+    margin: 1em 0 .5em 0;
+}
+
+h2.subhead {
+    font-weight: normal;
+    margin-top: 0;
+}
+
+h3 {
+    font-size: 14px;
+    margin: .8em 0 .3em 0;
+    color: #666;
+    font-weight: bold;
+}
+
+h4 {
+    font-size: 12px;
+    margin: 1em 0 .8em 0;
+    padding-bottom: 3px;
+}
+
+h5 {
+    font-size: 10px;
+    margin: 1.5em 0 .5em 0;
+    color: #666;
+    text-transform: uppercase;
+    letter-spacing: 1px;
+}
+
+ul li {
+    list-style-type: square;
+    padding: 1px 0;
+}
+
+li ul {
+    margin-bottom: 0;
+}
+
+li, dt, dd {
+    font-size: 13px;
+    line-height: 20px;
+}
+
+dt {
+    font-weight: bold;
+    margin-top: 4px;
+}
+
+dd {
+    margin-left: 0;
+}
+
+form {
+    margin: 0;
+    padding: 0;
+}
+
+fieldset {
+    margin: 0;
+    padding: 0;
+    border: none;
+    border-top: 1px solid #eee;
+}
+
+blockquote {
+    font-size: 11px;
+    color: #777;
+    margin-left: 2px;
+    padding-left: 10px;
+    border-left: 5px solid #ddd;
+}
+
+code, pre {
+    font-family: "Bitstream Vera Sans Mono", Monaco, "Courier New", Courier, monospace;
+    color: #666;
+    font-size: 12px;
+}
+
+pre.literal-block {
+    margin: 10px;
+    background: #eee;
+    padding: 6px 8px;
+}
+
+code strong {
+    color: #930;
+}
+
+hr {
+    clear: both;
+    color: #eee;
+    background-color: #eee;
+    height: 1px;
+    border: none;
+    margin: 0;
+    padding: 0;
+    font-size: 1px;
+    line-height: 1px;
+}
+
+/* TEXT STYLES & MODIFIERS */
+
+.small {
+    font-size: 11px;
+}
+
+.tiny {
+    font-size: 10px;
+}
+
+p.tiny {
+    margin-top: -2px;
+}
+
+.mini {
+    font-size: 10px;
+}
+
+p.mini {
+    margin-top: -3px;
+}
+
+.help, p.help, form p.help, div.help, form div.help, div.help li {
+    font-size: 11px;
+    color: #999;
+}
+
+div.help ul {
+     margin-bottom: 0;
+}
+
+.help-tooltip {
+    cursor: help;
+}
+
+p img, h1 img, h2 img, h3 img, h4 img, td img {
+    vertical-align: middle;
+}
+
+.quiet, a.quiet:link, a.quiet:visited {
+    color: #999;
+    font-weight: normal;
+}
+
+.float-right {
+    float: right;
+}
+
+.float-left {
+    float: left;
+}
+
+.clear {
+    clear: both;
+}
+
+.align-left {
+    text-align: left;
+}
+
+.align-right {
+    text-align: right;
+}
+
+.example {
+    margin: 10px 0;
+    padding: 5px 10px;
+    background: #efefef;
+}
+
+.nowrap {
+    white-space: nowrap;
+}
+
+/* TABLES */
+
+table {
+    border-collapse: collapse;
+    border-color: #ccc;
+}
+
+td, th {