New - Italian translation

.gitignore

@@ -15,3 +15,4 @@ venv
 *.sublime*
 .vscode/
 .tox
+.DS_Store

examples/dash/README.rst

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+Dash embedded in FAB
+-----------------------
+
+Example of Dash embedded under flask-appbuilder
+
+thanks to @jimmybow (https://github.com/jimmybow/Flask_template_auth_with_Dash) for the inspiration
+
+
+Run it::
+
+    $ export FLASK_APP=app/__init__.py
+    $ flask fab create-admin
+    $ flask run

examples/dash/app/Dashboard/Dash_App1.py

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+# -*- coding: utf-8 -*-
+"""
+Created on Sun Jul  8 10:39:33 2018
+
+@author: jimmybow
+"""
+from dash import Dash
+from dash.dependencies import Input, State, Output
+from .Dash_fun import apply_layout_with_auth, load_object, save_object
+import dash_core_components as dcc
+import dash_html_components as html
+
+url_base = "/dash/app1/"
+
+layout = html.Div(
+    [html.Div("This is dash app1"), html.Br(), dcc.Input(id="input_text"), html.Br(), html.Br(), html.Div(id="target")]
+)
+
+
+def Add_Dash(server, appbuilder):
+    app = Dash(server=server, url_base_pathname=url_base)
+    apply_layout_with_auth(app, layout, appbuilder)
+
+    @app.callback(Output("target", "children"), [Input("input_text", "value")])
+    def callback_fun(value):
+        return "your input is {}".format(value)
+
+    return app.server

examples/dash/app/Dashboard/Dash_App2.py

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+from datetime import datetime as dt
+
+from dash import Dash
+
+import dash_core_components as dcc
+import dash_html_components as html
+import pandas_datareader as pdr
+from dash.dependencies import Input
+from dash.dependencies import Output
+from .Dash_fun import apply_layout_with_auth, load_object, save_object
+
+url_base = "/dash/app2/"
+
+layout = html.Div(
+    [
+        html.H1("Stock Tickers"),
+        dcc.Dropdown(
+            id="my-dropdown",
+            options=[
+                {"label": "Coke", "value": "COKE"},
+                {"label": "Tesla", "value": "TSLA"},
+                {"label": "Apple", "value": "AAPL"},
+            ],
+            value="COKE",
+        ),
+        dcc.Graph(id="my-graph"),
+    ],
+    style={"width": "500"},
+)
+
+
+def Add_Dash(server, appbuilder):
+    app = Dash(server=server, url_base_pathname=url_base)
+    apply_layout_with_auth(app, layout, appbuilder)
+
+    @app.callback(Output("my-graph", "figure"), [Input("my-dropdown", "value")])
+    def update_graph(selected_dropdown_value):
+        df = pdr.get_data_yahoo(selected_dropdown_value, start=dt(2017, 1, 1), end=dt.now())
+        return {"data": [{"x": df.index, "y": df.Close}], "layout": {"margin": {"l": 40, "r": 0, "t": 20, "b": 30}}}
+
+    return app.server

examples/dash/app/Dashboard/Dash_fun.py

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+# -*- coding: utf-8 -*-
+"""
+Created on Fri Jan 25 22:34:51 2019
+
+@author: jimmybow
+"""
+
+from datetime import datetime, timedelta
+from flask_login import current_user
+from flask import redirect, has_app_context
+import dash_html_components as html
+import dash_core_components as dcc
+import pandas as pd
+import uuid
+import os
+import pickle
+
+
+def save_object(obj, session_id, name):
+    os.makedirs("Dir_Store", exist_ok=True)
+    file = "Dir_Store/{}_{}".format(session_id, name)
+    pickle.dump(obj, open(file, "wb"))
+
+
+def load_object(session_id, name):
+    file = "Dir_Store/{}_{}".format(session_id, name)
+    obj = pickle.load(open(file, "rb"))
+    os.remove(file)
+    return obj
+
+
+def clean_Dir_Store():
+    if os.path.isdir("Dir_Store"):
+        file_list = pd.Series("Dir_Store/" + i for i in os.listdir("Dir_Store"))
+        mt = file_list.apply(lambda x: datetime.fromtimestamp(os.path.getmtime(x))).astype(str)
+        for i in file_list[mt < str(datetime.now() - timedelta(hours=3))]:
+            os.remove(i)
+
+
+def apply_layout_with_auth(app, layout, appbuilder):
+    def serve_layout():
+        if current_user and current_user.is_authenticated:
+            session_id = str(uuid.uuid4())
+            clean_Dir_Store()
+            return html.Div([html.Div(session_id, id="session_id", style={"display": "none"}), layout])
+        loginurl = None
+        if has_app_context():
+            return dcc.Location(pathname=appbuilder.get_url_for_login, id="")
+        return None
+
+    app.config.suppress_callback_exceptions = True
+    app.layout = serve_layout

examples/dash/app/__init__.py

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+import logging
+
+from flask import Flask
+from flask_appbuilder import AppBuilder, SQLA
+from .Dashboard import Dash_App1, Dash_App2
+
+"""
+ Logging configuration
+"""
+logging.basicConfig(format="%(asctime)s:%(levelname)s:%(name)s:%(message)s")
+logging.getLogger().setLevel(logging.DEBUG)
+
+
+app = Flask(__name__)
+app.config.from_object("config")
+db = SQLA(app)
+appbuilder = AppBuilder(app, db.session)
+app = Dash_App1.Add_Dash(app, appbuilder)
+app = Dash_App2.Add_Dash(app, appbuilder)
+
+from . import views  # noqa

examples/dash/app/templates/dash.html

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+{% extends "appbuilder/baselayout.html" %}
+{% block head_css %}
+{{ super() }}
+
+{% endblock %}
+{% block content %}
+<div class="right_col" role="main">
+    <div class="row">
+        <div class="col-md-12 col-sm-12 col-xs-12">
+            <div class="dashboard_graph">
+                <div style="width: 100%; min-height:800px;">
+                    <iframe noresize='noresize'
+                        style='position: absolute; background: transparent; width: 95%; height:100%;' src={{ dash_url }}
+                        frameborder="0">
+                    </iframe>
+                </div>
+                <div class="clearfix"></div>
+            </div>
+        </div>
+    </div>
+</div>
+{% endblock %}

examples/dash/app/views.py

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+from flask_appbuilder.baseviews import BaseView
+from flask_appbuilder import expose, has_access
+from .Dashboard import Dash_App1, Dash_App2
+
+from . import appbuilder
+
+
+class MyDashAppCallBack(BaseView):
+    route_base = "/"
+
+    @has_access
+    @expose("/dashboard_callback/")
+    def methoddash(self):
+        print("dash")
+        return self.render_template("dash.html", dash_url=Dash_App1.url_base, appbuilder=appbuilder)
+
+
+appbuilder.add_view_no_menu(MyDashAppCallBack())
+appbuilder.add_link(
+    "Dashboard Callback", href="/dashboard_callback/", icon="fa-list", category="Dash Demo", category_icon="fa-list"
+)
+
+
+class MyDashAppGraph(BaseView):
+    route_base = "/"
+
+    @has_access
+    @expose("/dashboard_graph/")
+    def methoddash(self):
+        return self.render_template("dash.html", dash_url=Dash_App2.url_base, appbuilder=appbuilder)
+
+
+appbuilder.add_view_no_menu(MyDashAppGraph())
+appbuilder.add_link(
+    "Dashboard Graph", href="/dashboard_graph/", icon="fa-list", category="Dash Demo", category_icon="fa-list"
+)

examples/dash/babel/babel.cfg

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+[python: **.py]
+[jinja2: **/templates/**.html]
+encoding = utf-8

examples/dash/babel/messages.pot

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+

examples/dash/config.py

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+import os
+
+basedir = os.path.abspath(os.path.dirname(__file__))
+
+CSRF_ENABLED = True
+SECRET_KEY = "\2\1thisismyscretkey\1\2\e\y\y\h"
+
+OPENID_PROVIDERS = [
+    {"name": "Google", "url": "https://www.google.com/accounts/o8/id"},
+    {"name": "Yahoo", "url": "https://me.yahoo.com"},
+    {"name": "AOL", "url": "http://openid.aol.com/<username>"},
+    {"name": "Flickr", "url": "http://www.flickr.com/<username>"},
+    {"name": "MyOpenID", "url": "https://www.myopenid.com"},
+]
+
+SQLALCHEMY_DATABASE_URI = "sqlite:///" + os.path.join(basedir, "app.db")
+# SQLALCHEMY_DATABASE_URI = 'mysql://myapp@localhost/myapp'
+# SQLALCHEMY_DATABASE_URI = 'postgresql://root:password@localhost/myapp'
+BABEL_DEFAULT_LOCALE = "en"
+
+
+# ------------------------------
+# GLOBALS FOR APP Builder
+# ------------------------------
+BABEL_DEFAULT_LOCALE = "en"
+BABEL_DEFAULT_FOLDER = "translations"
+LANGUAGES = {
+    "en": {"flag": "gb", "name": "English"},
+    "pt": {"flag": "pt", "name": "Portuguese"},
+    "es": {"flag": "es", "name": "Spanish"},
+    "de": {"flag": "de", "name": "German"},
+    "zh": {"flag": "cn", "name": "Chinese"},
+    "ru": {"flag": "ru", "name": "Russian"},
+}
+
+
+UPLOAD_FOLDER = basedir + "/app/static/uploads/"
+IMG_UPLOAD_FOLDER = basedir + "/app/static/uploads/"
+IMG_UPLOAD_URL = "/static/uploads/"
+AUTH_TYPE = 1
+AUTH_ROLE_ADMIN = "Admin"
+AUTH_ROLE_PUBLIC = "Public"
+# APP_NAME = "My App Name"
+# APP_ICON = "static/img/logo.jpg"
+APP_THEME = ""  # default
+# APP_THEME = "cerulean.css"
+# APP_THEME = "amelia.css"
+# APP_THEME = "cosmo.css"
+# APP_THEME = "cyborg.css"
+# APP_THEME = "flatly.css"
+# APP_THEME = "journal.css"
+# APP_THEME = "readable.css"
+# APP_THEME = "simplex.css"
+# APP_THEME = "slate.css"
+# APP_THEME = "spacelab.css"
+# APP_THEME = "united.css"
+# APP_THEME = "yeti.css"

examples/dash/run.py

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+from app import app
+
+app.run(host="0.0.0.0", port=8080, debug=True)