python - img = Image.open(fp) 属性错误 : class Image has no attribute 'open'

Question

我想把图片放到一个PDF文件中。我的代码如下...

import sys
import xlrd
from PIL import Image
import ImageEnhance
from reportlab.platypus import *
from reportlab.lib.styles import getSampleStyleSheet
from reportlab.rl_config import defaultPageSize
PAGE_HEIGHT=defaultPageSize[1]

styles = getSampleStyleSheet()

Title = "Integrating Diverse Data Sources with Gadfly 2"

Author = "Aaron Watters"

URL = "http://www.chordate.com/"

email = "arw@ifu.net"

from reportlab.lib.units import inch

pageinfo = "%s / %s / %s" % (Author, email, Title)

def myFirstPage(canvas, doc):
    canvas.saveState()
    #canvas.setStrokeColorRGB(1,0,0)
    #canvas.setLineWidth(5)
    #canvas.line(66,72,66,PAGE_HEIGHT-72)
    canvas.setFont('Times-Bold',16)
    canvas.drawString(108, PAGE_HEIGHT-108, Title)
    canvas.setFont('Times-Roman',9)
    canvas.drawString(inch, 0.75 * inch, "First Page / %s" % pageinfo)
    canvas.restoreState()

def myLaterPages(canvas, doc):
    #canvas.drawImage("snkanim.gif", 36, 36)
    canvas.saveState()
    #canvas.setStrokeColorRGB(1,0,0)
    #canvas.setLineWidth(5)
    #canvas.line(66,72,66,PAGE_HEIGHT-72)
    canvas.setFont('Times-Roman',9)
    canvas.drawString(inch, 0.75 * inch, "Page %d %s" % (doc.page, pageinfo))
    canvas.restoreState()

def go():
    Elements.insert(0,Spacer(0,inch))
    doc = SimpleDocTemplate('ss.pdf')
    doc.build(Elements,onFirstPage=myFirstPage, onLaterPages=myLaterPages)

Elements = []

HeaderStyle = styles["Heading1"] # XXXX

def header(txt, style=HeaderStyle, klass=Paragraph, sep=0.3):
    s = Spacer(0.2*inch, sep*inch)
    Elements.append(s)
    para = klass(txt, style)
    Elements.append(para)

ParaStyle = styles["Normal"]

def p(txt):
    return header(txt, style=ParaStyle, sep=0.1)

def open_excel(file= 'exc.xls'):
    try:
        data = xlrd.open_workbook(file)
        return data
    except Exception,e:
        print str(e)

#pre = p # XXX

PreStyle = styles["Code"]

def pre(txt):
    s = Spacer(0.1*inch, 0.1*inch)
    Elements.append(s)
    p = Preformatted(txt, PreStyle)
    Elements.append(p)
p("""\
Relational databases manipulate and store persistent
table structures called relations, such as the following
three tables""")

fp = open("/pdf-ex/downloadwin7.png","rb")
img = Image.open(fp)
img.show()
# HACK
Elements.append(PageBreak())


go()

Answer 1

您有命名空间冲突。您的导入语句之一是用某个名为 Image 的类屏蔽 PIL.Image(这是一个模块，而不是一个类)。

而不是......

from PIL import Image

尝试...

import PIL.Image

然后在您的代码中...

fp = open("/pdf-ex/downloadwin7.png","rb")
img = PIL.Image.open(fp)
img.show()

处理大量导入时，请注意命名空间冲突。我通常对 from some_module import * 语句非常谨慎。

祝你的项目好运，编码愉快。