from __future__ import print_function
import os, re, sys
-PY2 = sys.version_info[0] == 2
-
# We may need some extra options only supported by recent convert versions
re_version = re.compile(r'^Version:.*ImageMagick\s*(\d*)\.(\d*)\.(\d*).*$')
# imagemagick 7
command = 'magick'
fout = os.popen('magick -version 2>&1')
output = fout.readline()
-if fout.close() != None:
+if fout.close() is not None:
# older versions
# caution: windows has a convert.exe for converting file systems
command = 'convert'
fout = os.popen('convert -version 2>&1')
output = fout.readline()
fout.close()
-if not PY2:
- # Ensure we have a (unicode) string object in Python3
- # (not required for version >= 3.5).
- # FIXME: Check whether this is required with any supported 3.x version!
- output = str(output)
version = re_version.match(output)
im = False
gm = False
-if version != None:
+if version is not None:
major = int(version.group(1))
minor = int(version.group(2))
patch = int(version.group(3))
# Try GraphicsMagick
re_version = re.compile(r'^GraphicsMagick.*http:..www.GraphicsMagick.org.*$')
version = re_version.match(output)
- if version != None:
+ if version is not None:
gm = True
# we need version to be a valid integer 3-tuple
version = (1,0,0)
+ else:
+ version = (0,0,0)
# IM >= 5.5.8 separates options for source and target files
# See http://www.imagemagick.org/Usage/basics/#why
# print (command, sys.argv[2], sys.argv[4], file= sys.stdout)
if (im or gm) and os.system(r'%s %s "%s" %s "%s"' % (command, sopts, sys.argv[2], topts, sys.argv[3] + ':' + sys.argv[4])) != 0:
- print (sys.argv[0], 'ERROR', file= sys.stderr)
- print ('Execution of "%s" failed.' % command, file= sys.stderr)
+ print(sys.argv[0], 'ERROR', file= sys.stderr)
+ print('Execution of "%s" failed.' % command, file= sys.stderr)
sys.exit(1)
elif not im and not gm and sys.platform == 'darwin' and os.system(r'%s "%s" "%s"' % (command, sys.argv[2], sys.argv[4])) != 0:
- print (sys.argv[0], 'ERROR', file= sys.stderr)
- print ('Execution of "%s" failed.' % command, file= sys.stderr)
+ print(sys.argv[0], 'ERROR', file= sys.stderr)
+ print('Execution of "%s" failed.' % command, file=sys.stderr)
sys.exit(1)