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"""
Copyright (c) Abel Deuring 2006 <adeuring@gmx.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""
import os, procinfo
procinfo.infos = []
def keep(name):
if name.rfind(".py") != len(name) - 3:
return False
for test in ["__init__.py", "procinfo.py"]:
if name.find(test) == 0:
return False
return True
files = os.listdir(os.path.join(os.path.dirname(__file__)))
files = [x for x in files if keep(x)]
for name in files:
name = name[:-3]
exec("import %s" % name)
try:
exec("classes = %s.register()" % name)
procinfo.infos += classes
except AttributeError, v:
if str(v)=="'module' object has no attribute 'register'":
print "warning: file %s.py has no function register" % name
else:
raise
# the order of the filters is of course important; we must
# sort them to achieve a reasonable order. Each filter provides
# a class attribute sortpos, a 3-tuple of number. The first two
# numbers represent the input image format, and the output
# format. the last number represents the sort order for filters
# with the same input and output formats.
# The sort order is RGB first, then gray scale, last bi-level.
#
# FIXME this leads easily to conflicts, if a 3rd-level number is used
# twice! Think about a better way to "arrange" the filters
procinfo.infos.sort(lambda x,y: cmp(x.sortpos, y.sortpos))
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