Python生成pdf文件的方法

#!/usr/bin/pythonfrom reportlab.pdfgen import canvasdef hello():    c = canvas.Canvas("helloworld.pdf")    c.drawString(100,100,"Hello,World")    c.showPage()    c.save()hello()

#!/usr/bin/env pythonimport subprocessimport datetimefrom reportlab.pdfgen import canvasfrom reportlab.lib.units import inchdef disk_report():    p = subprocess.Popen("df -h", shell=True, stdout=subprocess.PIPE)#   print p.stdout.readlines()    return p.stdout.readlines()def create_pdf(input, output="disk_report.pdf"):    now = datetime.datetime.today()    date = now.strftime("%h %d %Y %H:%M:%S")    c = canvas.Canvas(output)    textobject = c.beginText()    textobject.setTextOrigin(inch, 11*inch)    textobject.textLines('''Disk Capcity Report: %s''' %date)    for line in input:        textobject.textLine(line.strip())    c.drawText(textobject)    c.showPage()    c.save()report = disk_report()create_pdf(report)