def main():
print "****************************"
print "* stabilitytest 2010-01-21 *"
print "****************************"
if len(sys.argv) == 1:
return
path = sys.argv[1]
if not os.path.exists(path):
print "File does not exist: \"%s\"" % path
else:
print "Processing context: \"%s\"" % path
root, ext = os.path.splitext(path)
print "File extension = \"%s\"" % ext
if ext == ".cxt":
readfunction = fca.read_cxt
elif ext == ".txt":
readfunction = fca.read_txt
else:
print "Unknown file extension"
return
try:
context = readfunction(path)
except:
print "Unexpected error:", sys.exc_info()[0]
raise
print "Context loaded. Objects: {0}. Attributes: {1}".format(len(context.objects),
len(context.attributes))
cs = fca.norris(context)[0]
print "{0} concepts".format(len(cs))
print "Compute extensional stability"
es = fca.compute_estability(cs)
out = file(".".join([path, "e-s.txt"]), "w")
l = es.items()
l.sort(cmp=lambda x,y: cmp(x[1], y[1]), reverse=True)
for concept in [c[0] for c in l]:
s ="({0} , {1}) {2}\n".format(" ".join(concept.extent), " ".join(concept.intent),
es[concept])
out.write(s)
out.close()
print "Compute intensional stability"
is_ = fca.compute_istability(cs)
out = file(".".join([path, "i-s.txt"]), "w")
l = is_.items()
l.sort(cmp=lambda x,y: cmp(x[1], y[1]), reverse=True)
for concept in [c[0] for c in l]:
s ="({0} , {1}) {2}\n".format(" ".join(concept.extent), " ".join(concept.intent),
is_[concept])
out.write(s)
out.close()
print "End"
except:
pass
output = open(os.path.join(path, "meud.project"), "wb")
project_.projectdirty = False
cPickle.dump(project_, output)
output.close()
def load_project(path):
"""Load project from directory in path
Return project instance.
"""
input = open(os.path.join(path, "meud.project"), "rb")
project_ = cPickle.load(input)
input.close()
os.chdir(path)
return project_
if __name__ == '__main__':
"""Test"""
test_path = "tests/project/default"
p = Project()
c = fca.read_cxt("tests/imports/context.cxt")
p.add_element(c)
cs = fca.norris(c)
p.add_element(cs)
p.add_element(fca.Scale(fca.read_cxt("tests/imports/context.cxt")))
save_project(p, test_path)
p1 = load_project("tests/project/default/")
