生成pdf报告

已经测试，来源：网络

from urllib.request 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 = 'ftp://ftp.swpc.noaa.gov/pub/weekly/Predict.txt'  
COMMENT_CHARS = '#:'  
  
  
drawing = Drawing(400, 200)  
data = []  
for line in urlopen(URL).readlines():  
    line = line.decode()  
    if not line.isspace() and line[0] not 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 = [list(zip(times, pred)),  
           list(zip(times, high)),  
           list(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, 'sunsnope',  
            fontSize=14, fillColor=colors.red))  
  
renderPDF.drawToFile(drawing, 'c:/report2.pdf', 'sunsnope')