Interface to the Ghostscript C-API, both high- and low-level, based on ctypes
- GNU Public License v3 (GPLv3)
Ghostscript, is a well known interpreter for the PostScript language and for PDF. This package implements a interface to the Ghostscript C-API using ctypes. Both a low-level and a pythonic, high-level interface are provided.
This package is currently tested only under GNU/Linux. Please report whether it works in your environment, too. Thanks.
Here is an example for how to use the high-level interface of python-ghostscript. This implements a very basic ps2pdf-tool:
import sys import ghostscript args = [ "ps2pdf", # actual value doesn't matter "-dNOPAUSE", "-dBATCH", "-dSAFER", "-sDEVICE=pdfwrite", "-sOutputFile=" + sys.argv, "-c", ".setpdfwrite", "-f", sys.argv ] ghostscript.Ghostscript(*args)
Here an example for passing a string document to Ghostscript:
doc = """%! /Helvetica findfont 20 scalefont setfont 50 50 moveto (Hello World) show showpage """ import ghostscript args = """test.py -dNOPAUSE -dBATCH -dSAFER -sDEVICE=pdfwrite -sOutputFile=/tmp/out.pdf -c .setpdfwrite""".split() GS = ghostscript.Ghostscript(*args) try: GS.run_string(doc) finally: GS.exit()
More examples can be found in the examples subdirectory of the distribution archive.
Requirements and Installation
- Please note:
This package is meant for developers. Even if there are some usable examples included, installations instructions are meant for developers.
Python 2.3 or higher (tested with Python 2.6)
ctypes when using Python 2.3 or 2.4 (ctypes is already included in Python 2.5 and higher)
setuptools or distribute for installation (see below).
Ghostscript Version 8.x
Since this package is meant for developers, we assume you have experience in installing Python packages.
python-ghostscript is listed on PyPI (Python Package Index), so you can install it using easy_install or pip as usual. Please refer to the manuals of easy_install resp. pip for further information.
Alternatively you my download and unpack the source package of python-ghostscript from http://pypi.python.org/pypi/ghostscript and run:
python ./setup.py install
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