PythonMagickWand on PyPi
Today I have created my first python egg! It’s a PythonMagickWand egg and can be found on PyPi. I have also created a first version of a Sphinx based documentation which can be found in our subversion repository.
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Hi, tried installing this on python 2.6 and got the following error
[C:\Documents and Settings\stuart.axon\Desktop\download]easy_install PythonMagickWand-0.2-py2.5.egg
Processing PythonMagickWand-0.2-py2.5.egg
Copying PythonMagickWand-0.2-py2.5.egg to c:\usr\python26\lib\site-packages
Adding PythonMagickWand 0.2 to easy-install.pth file
Installed c:\usr\python26\lib\site-packages\pythonmagickwand-0.2-py2.5.egg
Processing dependencies for PythonMagickWand==0.2
Searching for PythonMagickWand==0.2
Reading http://pypi.python.org/simple/PythonMagickWand/
Reading http://public.procoders.net/PythonMagickWand/docs/html/index.html
No local packages or download links found for PythonMagickWand==0.2
error: Could not find suitable distribution for Requirement.parse(’PythonMagickWand==0.2′)
Comment by Stu — November 10, 2008 @ 19:45
This works:
>>> from PythonMagickWand import *
>>> f=open(’badge-10.pdf’)
>>> wand = NewMagickWand()
>>> MagickReadImage(wand,f)
But my pdf and png are not disk files, they are in string io buffers. or just string vars. I want to replace this code:
def badge_png(ds):
“”"
make a badge image based on real data
“”"
# pdf = open(’pycon_sample_badge.pdf’,'rb’).read()
pdf = mkpdf(ds)
# convert pdf to some image format
gs_command = ['gs',
'-q',
'-sDEVICE=png16m',
'-dBATCH', '-dNOPAUSE',
'-sOutputFile=-',
'-' ]
gs_run = subprocess.Popen(gs_command, shell=False, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, close_fds=True,
bufsize=1<<12)
real_wait = gs_run.wait
def hack_wait():
try: return real_wait()
except OSError, e:
if e.errno != 10: raise
return 0
gs_run.wait = hack_wait
(stdout, stderr) = gs_run.communicate(pdf)
# crop the badge (pdf may be 8×11 page)
# and write to a string that can be reutnred
buffin = StringIO(stdout)
buffout = StringIO()
Image.open(buffin).crop([0,0,286,225]).save(buffout, ‘png’)
img = buffout.getvalue()
return img
For the purposed of this thread, mkpdf(ds) can be replaced with
pdf = open(’pycon_sample_badge.pdf’,'rb’).read()
Now that we know what pdf is, how do I pass it to MagickReadImage?
Comment by Carl Karsten — December 24, 2008 @ 9:19
Cool, a higher level API
But it’s better if you restore the original Pythonmagick webpage (http://www.procoders.net/pythonmagick) as there is not much documentation on PythonMagick API anywhere…
Thanks!
Comment by Eric Saint-Etienne — March 19, 2009 @ 12:59