def serve_layout():
return html.Div(children=[
# hidden signal value
html.Div(id='signal', style={'display': 'none'}),
dcc.Interval(id='interval-component',
interval=get_query_interval(),
n_intervals=0),
html.H1(children='Covid-19 Statistics (D, A, CH, UK, US)'),
html.Div(children=[
'Sources: ',
dcc.Link(
'Robert-Koch-Institut (DE)',
href=
'https://www.rki.de/DE/Content/InfAZ/N/Neuartiges_Coronavirus/Fallzahlen.html'
), ', ',
dcc.Link(
'Sozialministerium (AT)',
href=
'https://www.sozialministerium.at/Informationen-zum-Coronavirus/Neuartiges-Coronavirus-(2019-nCov).html'
), ', ',
dcc.Link(
'Bundesamt fuer Gesundheit (CH)',
href=
'https://www.bag.admin.ch/bag/de/home/krankheiten/ausbrueche-epidemien-pandemien/aktuelle-ausbrueche-epidemien/novel-cov/situation-schweiz-und-international.html'
), ', ',
dcc.Link(
'British Government (UK)',
href=
'https://www.gov.uk/guidance/coronavirus-covid-19-information-for-the-public'
), ', ',
dcc.Link(
'Centers for Disease Control and Prevention (US)',
href=
'https://www.cdc.gov/coronavirus/2019-ncov/cases-updates/cases-in-us.html?CDC_AA_refVal=https%3A%2F%2Fwww.cdc.gov%2Fcoronavirus%2F2019-ncov%2Fcases-in-us.html'
),
html.Br(),
html.Div(id='last-updated')
]),
dcc.Graph(id='covid-cases-graph'),
dcc.Graph(id='covid-deaths-graph'),
html.Br(),
dcc.Link('track-covid19',
href="https://github.com/ondrno/track-covid19"),
html.Span(', version: {}'.format(cov19.__version__)),
])
'x': ch["date"],
'y': ch["d"],
'name': "Switzerland"
},
{
'x': uk["date"],
'y': uk["d"],
'name': "United Kingdom"
},
{
'x': us["date"],
'y': us["d"],
'name': "United States"
},
],
'layout': {
'title': 'Confirmed deaths',
'yaxis': {
'type': 'log'
},
}
}
return fig
app.layout = serve_layout
if __name__ == '__main__':
logger.info("Update cycle={} minutes", get_query_interval() / 1000 / 60)
app.run_server(port=os.environ.get('PORT', 8050))
def test_query_interval_returns_set_env_values(mock_get, value, exp_ms):
mock_get.return_value = value
interval = get_query_interval()
assert exp_ms == interval
def test_query_interval_raises_exception_for_values_with_invalid_units(
mock_get, value):
mock_get.return_value = value
with pytest.raises(ValueError):
get_query_interval()
def test_query_interval_casts_valid_units_to_default(mock_get, value):
mock_get.return_value = value
four_hours_in_ms = 4 * 60 * 60 * 1000
interval = get_query_interval()
assert four_hours_in_ms == interval