Pythonを使ってPDFを操作する方法

from urllib import urlopen from reportlab.graphics.shapes import * from reportlab.graphics.charts.lineplots import LinePlot from reportlab.graphics.charts.textlabels import Label from reportlab.graphics import renderPDF URL = 'http://www.swpc.noaa.gov/ftpdir/weekly/Predict.txt' COMMENT_CHARS = '#:' drawing = Drawing(400, 200) data = [] for line in urlopen(URL).readlines(): if not line.isspace() and not line[0] in COMMENT_CHARS: data.append([float(n) for n in line.split()]) pred = [row[2] for row in data] high = [row[3] for row in data] low = [row[4] for row in data] times = [row[0] + row[1]/12.0 for row in data] lp = LinePlot() lp.x = 50 lp.y = 50 lp.height = 125 lp.width = 300 lp.data = [zip(times, pred),zip(times,high),zip(times, low)] lp.lines[0].strokeColor = colors.blue lp.lines[1].strokeColor = colors.red lp.lines[2].strokeColor = colors.green drawing.add(lp) drawing.add(String(250,150, 'Sunspots',fontSize=14,fillColor=colors.red)) renderPDF.drawToFile(drawing, 'report3.pdf','Sunspots')