def OnImport(self, event):
"""Import scale, context or mvcontext to current project"""
choices = files_categories.values()
dialog = wx.SingleChoiceDialog(
self, "Choose a category of the file you trying to import", "Choose a category", choices
)
if dialog.ShowModal() == wx.ID_OK:
category = dialog.GetStringSelection()
wildcard = "*.cxt files (*.cxt)|*.cxt|" "Tab-separated files (*.txt)|*.txt|" "All files (*.*)|*.*"
dlg = wx.FileDialog(self, "Choose a file to import.", ".", "", wildcard, wx.OPEN)
if dlg.ShowModal() == wx.ID_OK:
path = dlg.GetPath()
ext = os.path.splitext(path)[1]
if category == "Scales" and ext == ".cxt":
new_element = fca.Scale(fca.read_cxt(path))
self.current_project.add_element(new_element)
self.tree.add_new_element("scales", new_element)
elif category == "Contexts":
if ext == ".cxt":
new_element = fca.read_cxt(path)
elif ext == ".txt":
new_element = fca.read_txt(path)
self.current_project.add_element(new_element)
self.tree.add_new_element("contexts", new_element)
elif category == "Many-valued contexts":
new_element = fca.read_mv_txt(path)
self.current_project.add_element(new_element)
self.tree.add_new_element("mvcontexts", new_element)
elif category == "Concept Systems":
new_element = fca.read_xml(path)
self.current_project.add_element(new_element)
self.tree.add_new_element("concept_systems", new_element)
else:
MsgDlg(self, "Not supported yet", "Error!", wx.OK)
self.project_save()
def GetFilteredConcepts(item):
dialog = FilteringDialog()
result = dialog.ShowModal()
if result == wx.ID_OK:
options = dialog.GetOptions()
cs = uread_xml(item.path)
precessor = item.precessor
while not precessor.type == "Context":
precessor = precessor.precessor
(root, ext) = os.path.splitext(precessor.name)
if ext == ".cxt":
cxt = fca.read_cxt(precessor.path)
elif ext == ".txt":
cxt = fca.read_txt(precessor.path)
cs.context = cxt
new_cs = fca.filter_concepts(cs, options["function"], options["mode"],
options["opt"])
default_path = item.path[:-4] + "-filtered.xml"
newpath = default_path
i = 1
while (os.path.exists(newpath)):
newpath = default_path[:-4] + "-{0}".format(i) + newpath[-4:]
i += 1
fca.write_xml(newpath, new_cs)
newpath = [newpath]
else:
newpath = []
dialog.Destroy()
return newpath
def GetFilteredConcepts(item):
dialog = FilteringDialog()
result = dialog.ShowModal()
if result == wx.ID_OK:
options = dialog.GetOptions()
cs = uread_xml(item.path)
precessor = item.precessor
while not precessor.type == "Context":
precessor = precessor.precessor
(root, ext) = os.path.splitext(precessor.name)
if ext == ".cxt":
cxt = fca.read_cxt(precessor.path)
elif ext == ".txt":
cxt = fca.read_txt(precessor.path)
cs.context = cxt
new_cs = fca.filter_concepts(cs, options["function"], options["mode"],
options["opt"])
default_path = item.path[:-4] + "-filtered.xml"
newpath = default_path
i = 1
while (os.path.exists(newpath)):
newpath = default_path[:-4] + "-{0}".format(i) + newpath[-4:]
i += 1
fca.write_xml(newpath, new_cs)
newpath = [newpath]
else:
newpath = []
dialog.Destroy()
return newpath
def OnLoadScaleButton(self, event):
dlg = LoadScaleDialog(self._workspace, self.GetParent())
dlg.CenterOnScreen()
# this does not return until the dialog is closed.
val = dlg.ShowModal()
if val == wx.ID_OK:
item = dlg.GetScale()
if item and not item.dir:
context = fca.read_cxt(item.path)
scale = fca.Scale(context)
scale.name = item.name
self._scales.append(scale)
self.scales_names.append(item.name)
self.ScalesLb.Set(self.scales_names)
self.ScalesLb.Select(0)
self.selected_scale = self.ScalesLb.GetString(0)
dlg.Destroy()
def ComputeIndex(self, item, workspace):
cs = uread_xml(item.path)
functions = filtering.get_compute_functions()
dlg = wx.SingleChoiceDialog(None, 'Choose index you want to compute',
'Choose index', functions.keys(),
wx.CHOICEDLG_STYLE)
if dlg.ShowModal() == wx.ID_OK:
name = dlg.GetStringSelection()
precessor = item.precessor
while not precessor.type == "Context":
precessor = precessor.precessor
cs.context = fca.read_cxt(precessor.path)
fca.compute_index(cs, functions[name], name)
fca.write_xml(item.path, cs)
dlg.Destroy()
def OnLoadScaleButton(self, event):
dlg = LoadScaleDialog(self._workspace, self.GetParent())
dlg.CenterOnScreen()
# this does not return until the dialog is closed.
val = dlg.ShowModal()
if val == wx.ID_OK:
item = dlg.GetScale()
if item and not item.dir:
context = fca.read_cxt(item.path)
scale = fca.Scale(context)
scale.name = item.name
self._scales.append(scale)
self.scales_names.append(item.name)
self.ScalesLb.Set(self.scales_names)
self.ScalesLb.Select(0)
self.selected_scale = self.ScalesLb.GetString(0)
dlg.Destroy()
def ComputeIndex(self, item, workspace):
cs = uread_xml(item.path)
functions = filtering.get_compute_functions()
dlg = wx.SingleChoiceDialog(
None, 'Choose index you want to compute', 'Choose index',
functions.keys(),
wx.CHOICEDLG_STYLE
)
if dlg.ShowModal() == wx.ID_OK:
name = dlg.GetStringSelection()
precessor = item.precessor
while not precessor.type == "Context":
precessor = precessor.precessor
cs.context = fca.read_cxt(precessor.path)
fca.compute_index(cs, functions[name], name)
fca.write_xml(item.path, cs)
dlg.Destroy()
if i.premise <= p[1]: # p[1] is no longer preclosed
break
else: # p[1] becomes psuedo-closed
impl = fca.Implication(p[1].copy(), p[1].copy())
impl.get_conclusion().add(m)
min_mod_impl.append(impl)
new_preclosed.append((p[0], impl.premise, impl))
p[1].add(m)
mod_concepts.append(p)
def is_concept(p):
return len(p) == 2
if __name__ == '__main__':
import time
import sys
def timeit(algo, cxt):
start = time.time()
basis = algo(cxt)
end = time.time()
print(len(basis), end - start)
return basis, end - start
cxt = fca.read_cxt(sys.argv[1])
print('Ganter:')
timeit(fca.compute_dg_basis, cxt)
print('Incremental:')
timeit(compute_canonical_basis, cxt)
def setUp(self):
abspath = os.path.dirname(__file__)
small_cxt_path = os.path.join(abspath, 'small_cxt.cxt')
self.small_cxt = fca.read_cxt(small_cxt_path)
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/")
break
else: # p[1] becomes psuedo-closed
impl = fca.Implication(p[1].copy(), p[1].copy())
impl.get_conclusion().add(m)
min_mod_impl.append(impl)
new_preclosed.append((p[0], impl.premise, impl))
p[1].add(m)
mod_concepts.append(p)
def is_concept(p):
return len(p) == 2
if __name__ == '__main__':
import time
import sys
def timeit(algo, cxt):
start = time.time()
basis = algo(cxt)
end = time.time()
print(len(basis), end - start)
return basis, end - start
cxt = fca.read_cxt(sys.argv[1])
print('Ganter:')
timeit(fca.compute_dg_basis, cxt)
print('Incremental:')
timeit(compute_canonical_basis, cxt)
def setUp(self):
abspath = os.path.dirname(__file__)
small_cxt_path = os.path.join(abspath, 'small_cxt.cxt')
self.small_cxt = fca.read_cxt(small_cxt_path)
def none_finder(*args):
return None
path_to_cxt = 'my_cxt.cxt'
dest = '../ae_2valdomain_nocs/'
f_2_1_1 = df.DiscreteFunction.read_from_str('f_2_1_1')
f_2_1_2 = df.DiscreteFunction.read_from_str('f_2_1_2')
f_2_2_14 = df.DiscreteFunction.read_from_str('f_2_2_14')
f_2_3_150 = df.DiscreteFunction.read_from_str('f_2_3_150')
f_2_3_232 = df.DiscreteFunction.read_from_str('f_2_3_232')
funcs = [f_2_1_2]#, f_2_1_2, f_2_3_232]#, f_2_3_150]#, f_2_3_232]#, f13]
#table = [map(lambda x: df.commute(f, x) == True, funcs) for f in funcs]
#cxt = fca.Context(table, map(str, funcs), map(str, funcs))
if __name__ == '__main__':
nonsc_cxt = fca.read_cxt('./not_self_commuting.cxt')
full_cxt = fca.read_cxt('./my_cxt.cxt')
full_funcs = map(df.DiscreteFunction.read_from_str, full_cxt.objects)
noncom_funcs = map(df.DiscreteFunction.read_from_str, nonsc_cxt.objects)
'''
for obj in reversed(nonsc_cxt.objects):
obj_intent = full_cxt.get_object_intent(obj)
print '\n\nNonsc function ', obj
print 'Commutes with: ', map(str, obj_intent)
print 'length ', len(obj_intent)
f_init = df.DiscreteFunction(range(3), {}, 3)
premise = map(df.DiscreteFunction.read_from_str, obj_intent)
conc = map(df.DiscreteFunction.read_from_str, set(full_cxt.objects) - set(obj_intent))
print set(premise) & set(conc)
print len(set(premise) | set(conc))
try: