pygal文檔——XY圖（二）

日期

datetime格式

import pygal
from IPython.display import SVG
from datetime import datetime
datetimeline = pygal.DateTimeLine(
    x_label_rotation=35, truncate_label=-1,
    x_value_formatter=lambda dt: dt.strftime('%d, %b %Y at %I:%M:%S %p'))
datetimeline.add("Serie", [
    (datetime(2013, 1, 2, 12, 0), 300),
    (datetime(2013, 1, 12, 14, 30, 45), 412),
    (datetime(2013, 2, 2, 6), 823),
    (datetime(2013, 2, 22, 9, 45), 672)
])
display(SVG(datetimeline.render()))

date格式

import pygal
from IPython.display import SVG
from datetime import date
dateline = pygal.DateLine(x_label_rotation=25)
dateline.x_labels = [
    date(2013, 1, 1),
    date(2013, 7, 1),
    date(2014, 1, 1),
    date(2014, 7, 1),
    date(2015, 1, 1),
    date(2015, 7, 1)
]
dateline.add("Serie", [
    (date(2013, 1, 2), 213),
    (date(2013, 8, 2), 281),
    (date(2014, 12, 7), 198),
    (date(2015, 3, 21), 120)
])
display(SVG(dateline.render()))

time格式

import pygal
from IPython.display import SVG
from datetime import time
dateline = pygal.TimeLine(x_label_rotation=25)
dateline.add("Serie", [
  (time(), 0),
  (time(6), 5),
  (time(8, 30), 12),
  (time(11, 59, 59), 4),
  (time(18), 10),
  (time(23, 30), -1),
])
display(SVG(dateline.render()))

timedelta格式

import pygal
from IPython.display import SVG
from datetime import timedelta
dateline = pygal.TimeDeltaLine(x_label_rotation=25)
dateline.add("Serie", [
  (timedelta(), 0),
  (timedelta(seconds=6), 5),
  (timedelta(minutes=11, seconds=59), 4),
  (timedelta(days=3, microseconds=30), 12),
  (timedelta(weeks=1), 10),
])
display(SVG(dateline.render()))