Created
January 18, 2011 18:17
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A simple script to generate thumbnail previews of PDFs. Requires ImageMagick and Ghostscript
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import subprocess | |
import shlex, os, glob | |
#ensure ImageMagick and Ghostscript are installed | |
#tested on Python 2.7 / Windows XP | |
#this folder contains the convert.exe | |
image_magick_path = "C:\\Program Files\\ImageMagick-6.6.7-Q16\\" | |
os.chdir(image_magick_path) | |
#the folder containing the PDFs | |
pdf_files_path = "D:\\Temp\\pdfs\\" | |
pdf_files = glob.glob('%s*.pdf' % pdf_files_path) | |
#the folder to store the generated images | |
output_path = "D:\\Temp\\thumbnails\\" | |
#use the startupinfo to hide the Windows Shell | |
startupinfo = subprocess.STARTUPINFO() | |
startupinfo.dwFlags |= subprocess._subprocess.STARTF_USESHOWWINDOW #subprocess.STARTF_USESHOWWINDOW | |
for pdf in pdf_files: | |
filename = os.path.basename(pdf) | |
#create a new output filename | |
output_file = output_path + os.path.splitext(filename)[0] + ".png" | |
#this is the windows shell command | |
command_line = """convert.exe -quality {quality} -border 3x3 | |
-bordercolor #000000 "{filename}"[0] -thumbnail 100x120 "{pngfile}" """.format(quality=100, | |
filename = pdf, pngfile = output_file) | |
args = shlex.split(command_line) | |
#run the command | |
proc = subprocess.Popen(args, stderr=subprocess.PIPE, | |
stdout=subprocess.PIPE, stdin=subprocess.PIPE, startupinfo=startupinfo) |
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