reportlab

Links: notebook, html, python, slides, GitHub

reportlab is the best option if you want to draw graph directly in PDF. Otherwise, code is usually longer with this module compare to matpotlib for example.

documentation source installation tutorial

from jyquickhelper import add_notebook_menu
add_notebook_menu()

example

from reportlab.graphics.charts.legends import Legend
from reportlab.graphics.charts.lineplots import ScatterPlot
from reportlab.graphics.shapes import Drawing, _DrawingEditorMixin, String
from reportlab.graphics.charts.textlabels import Label
from reportlab.graphics.samples.excelcolors import *

class Scatter(_DrawingEditorMixin,Drawing):
    def __init__(self,width=200,height=150,*args,**kw):
        Drawing.__init__(self,width,height,*args,**kw)
        self._add(self,ScatterPlot(),name='chart',validate=None,desc="The main chart")
        self.chart.width      = 115
        self.chart.height     = 80
        self.chart.x          = 30
        self.chart.y          = 40
        self.chart.lines[0].strokeColor = color01
        self.chart.lines[1].strokeColor = color02
        self.chart.lines[2].strokeColor = color03
        self.chart.lines[3].strokeColor = color04
        self.chart.lines[4].strokeColor = color05
        self.chart.lines[5].strokeColor = color06
        self.chart.lines[6].strokeColor = color07
        self.chart.lines[7].strokeColor = color08
        self.chart.lines[8].strokeColor = color09
        self.chart.lines[9].strokeColor = color10
        self.chart.fillColor         = backgroundGrey
        self.chart.lineLabels.fontName              = 'Helvetica'
        self.chart.xValueAxis.labels.fontName       = 'Helvetica'
        self.chart.xValueAxis.labels.fontSize       = 7
        self.chart.xValueAxis.forceZero             = 0
        self.chart.data             = [((100,100), (200,200), (250,210), (300,300), (400,500)), ((100,200), (200,300), (250,200), (300,400), (400, 600))]
        self.chart.xValueAxis.avoidBoundFrac           = 1
        self.chart.xValueAxis.gridEnd                  = 115
        self.chart.xValueAxis.tickDown                 = 3
        self.chart.xValueAxis.visibleGrid              = 1
        self.chart.yValueAxis.tickLeft              = 3
        self.chart.yValueAxis.labels.fontName       = 'Helvetica'
        self.chart.yValueAxis.labels.fontSize       = 7
        self._add(self,Label(),name='Title',validate=None,desc="The title at the top of the chart")
        self.Title.fontName   = 'Helvetica-Bold'
        self.Title.fontSize   = 7
        self.Title.x          = 100
        self.Title.y          = 135
        self.Title._text      = 'Chart Title'
        self.Title.maxWidth   = 180
        self.Title.height     = 20
        self.Title.textAnchor ='middle'
        self._add(self,Legend(),name='Legend',validate=None,desc="The legend or key for the chart")
        self.Legend.colorNamePairs = [(color01, 'Widgets'), (color02, 'Sprockets')]
        self.Legend.fontName       = 'Helvetica'
        self.Legend.fontSize       = 7
        self.Legend.x              = 153
        self.Legend.y              = 85
        self.Legend.dxTextSpace    = 5
        self.Legend.dy             = 5
        self.Legend.dx             = 5
        self.Legend.deltay         = 5
        self.Legend.alignment      ='right'
        self.chart.lineLabelFormat  = None
        self.chart.xLabel           = 'X Axis'
        self.chart.y                = 30
        self.chart.yLabel           = 'Y Axis'
        self.chart.yValueAxis.labelTextFormat     = '%d'
        self.chart.yValueAxis.forceZero           = 1
        self.chart.xValueAxis.forceZero           = 1


        self._add(self,0,name='preview',validate=None,desc=None)

import os
filename = Scatter().save(formats=['pdf'], outDir=os.path.abspath("."), fnRoot='scatter')
print(os.path.split(filename)[-1])
scatter.pdf
filename = Scatter().save(formats=['svg'], outDir=os.path.abspath("."), fnRoot='scatter')
from IPython.display import SVG
SVG(filename)
../_images/im_reportlab_5_0.svg