windows下Python实现将pdf文件转化为png格式图片的方法

#!/usr/bin/env python
import os
import sys
from reportlab.lib.pagesizes import A4, landscape
from reportlab.pdfgen import canvas
f = sys.argv[1]
filename = ''.join(f.split('/')[-1:])[:-4]
f_jpg = filename+'.jpg'
print f_jpg
def conpdf(f_jpg):
 f_pdf = filename+'.pdf'
 (w, h) = landscape(A4)
 c = canvas.Canvas(f_pdf, pagesize = landscape(A4))
 c.drawImage(f, 0, 0, w, h)
 c.save()
 print "okkkkkkkk."
conpdf(f_jpg)

C:\Users\Administrator>pip install PyPDF2
Collecting PyPDF2
 Using cached PyPDF2-1.25.1.tar.gz
Installing collected packages: PyPDF2
 Running setup.py install for PyPDF2
Successfully installed PyPDF2-1.25.1
You are using pip version 7.1.2, however version 8.1.2 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.
C:\Users\Administrator>pip install C:\PythonMagick-0.9.10-cp27-none-win_amd64.whl
Processing c:\pythonmagick-0.9.10-cp27-none-win_amd64.whl
Installing collected packages: PythonMagick
Successfully installed PythonMagick-0.9.10
You are using pip version 7.1.2, however version 8.1.2 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.
C:\Users\Administrator>pip install ghostscript
Collecting ghostscript
 Downloading ghostscript-0.4.1.tar.bz2
Requirement already satisfied (use --upgrade to upgrade): setuptools in c:\python27\lib\site-packages (from ghostscript)
Installing collected packages: ghostscript
 Running setup.py install for ghostscript
Successfully installed ghostscript-0.4.1
You are using pip version 7.1.2, however version 8.1.2 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

import os
import ghostscript
from PyPDF2 import PdfFileReader, PdfFileWriter
from tempfile import NamedTemporaryFile
from PythonMagick import Image
reader = PdfFileReader(open("C:/deep.pdf", "rb"))
for page_num in xrange(reader.getNumPages()):
 writer = PdfFileWriter()
 writer.addPage(reader.getPage(page_num))
 temp = NamedTemporaryFile(prefix=str(page_num), suffix=".pdf", delete=False)
 writer.write(temp)
 print temp.name
 tempname = temp.name
 temp.close()
 im = Image(tempname)
 #im.density("3000") # DPI, for better quality
 #im.read(tempname)
 im.write("some_%d.png" % (page_num))
 os.remove(tempname)

import sys
import PyPDF2
import PythonMagick
import ghostscript
pdffilename = "C:\deep.pdf"
pdf_im = PyPDF2.PdfFileReader(file(pdffilename, "rb"))
print '1'
npage = pdf_im.getNumPages()
print('Converting %d pages.' % npage)
for p in range(npage):
 im = PythonMagick.Image()
 im.density('300')
 im.read(pdffilename + '[' + str(p) +']')
 im.write('file_out-' + str(p)+ '.png')
 #print pdffilename + '[' + str(p) +']','file_out-' + str(p)+ '.png'

Traceback (most recent call last):
 File "C:\c.py", line 15, in <module>
 im.read(pdffilename + '[' + str(p) +']')
RuntimeError: pythonw.exe: PostscriptDelegateFailed `C:\DEEP.pdf': No such file or directory @ error/pdf.c/ReadPDFImage/713

#代码2
import sys
import PyPDF2
import PythonMagick
import ghostscript
pdffilename = "C:\deep.pdf"
pdf_im = PyPDF2.PdfFileReader(file(pdffilename, "rb"))
print '1'
npage = pdf_im.getNumPages()
print('Converting %d pages.' % npage)
for p in range(npage):
 im = PythonMagick.Image(pdffilename + '[' + str(p) +']')
 im.density('300')
 #im.read(pdffilename + '[' + str(p) +']')
 im.write('file_out-' + str(p)+ '.png')
 #print pdffilename + '[' + str(p) +']','file_out-' + str(p)+ '.png'