python reportlab调用操作分页报表

#coding=utf-8
def init_config():
    import reportlab.rl_config
    reportlab.rl_config.warnOnMissingFontGlyphs = 0
    from reportlab.pdfbase import pdfmetrics
    from reportlab.pdfbase.ttfonts import TTFont
    import copy
    pdfmetrics.registerFont(TTFont('zhenhei', 'D:/python_workspace/python_pdf_demo/wqy-zenhei.ttc'))
    stylesheet= getSampleStyleSheet()
    styles= copy.deepcopy(stylesheet['Normal'])
    styles.fontName ='zhenhei'
    styles.fontSize = 20
    return styles
from reportlab.platypus import *
from reportlab.lib.styles import getSampleStyleSheet  
from reportlab.rl_config import defaultPageSize  
from reportlab.lib.units import inch
from reportlab.lib.pagesizes import *
#from reportlab.lib.utils import *
from reportlab.lib