def get_quick_chart(json_data, output_file):
qc = QuickChart()
qc.width = 500
qc.width = 500
labels = [] #Declare to hold the x-axis tick labels
weather_readings = [] #get the data labels
for index in range(1, 8):
local_time = datetime.datetime.fromtimestamp(
json_data['daily'][index]['dt'],
tz=pytz.timezone('Asia/Singapore'))
labels.append(local_time.strftime('%a %d/%m '))
weather_readings.append(
round(json_data['daily'][index]['temp']['day'], 1))
qc.config = """{
type: 'line',
data: {
labels: """ + str(labels) + """,
datasets: [
{
backgroundColor: 'rgb(255, 99, 132)',
data: """ + str(weather_readings) + """,
lineTension: 0.4,
fill: false,
}
],
},
options: {
title: { display: true, text: '7-Day Weather Forecast' },
legend: { display: false},
scales: { yAxes: [ { scaleLabel:
{ display: true, labelString: 'Temperature Degrees Celcius' } } ]},
plugins: {
datalabels: {
display: true,
align: 'bottom',
backgroundColor: '#ccc',
borderRadius: 3
},
}
},
}"""
print(qc.get_short_url()) #Print out the chart URL
qc.to_file(output_file) #Save to a file
from quickchart import QuickChart
qc = QuickChart()
qc.width = 600
qc.height = 300
qc.device_pixel_ratio = 2.0
qc.config = {
"type": "bar",
"data": {
"labels": ["Hello world", "Test"],
"datasets": [{
"label": "Foo",
"data": [1, 2]
}]
}
}
qc.to_file('/tmp/mychart.png')
print('Done.')