def test_eval2():
e = Eval()
assert e.eval("""\
def f(x):
return x**2
f(3)
"""\
) == "9"
assert e.eval("""\
def f(x):
return x**2
f(3)
a = 5
"""\
) == ""
assert e.eval("""\
def f(x):
return x**2
if f(3) == 9:
a = 1
else:
a = 0
a
"""\
) == "1"
assert e.eval("""\
def f(x):
return x**2 + 1
if f(3) == 9:
a = 1
else:
a = 0
a
"""\
) == "0"
def validation(val_dataLoader, criterion, args):
print("******* begin validation *******")
model.eval()
all_loss = 0.0
EVAL = Eval(args.n_classes)
EVAL.reset()
with torch.no_grad():
with tqdm(total=len(val_dataLoader), unit='batch') as pbar:
for batch_id, (data, target_mask) in enumerate(val_dataLoader):
data, target_mask = data.to(device), target_mask.to(device)
out = model(data)
loss = criterion(out, target_mask)
current_loss = loss.data.item()
all_loss += current_loss
out = out.data.cpu().numpy()
target_mask = target_mask.data.cpu().numpy()
EVAL.add_batch(target_mask, out.argmax(axis=1))
pbar.update(1)
print('[ validation ] [average loss:{}]'.format(all_loss/len(val_dataLoader)))
PA = EVAL.Pixel_Accuracy()
MPA = EVAL.Mean_Pixel_Accuracy()
MIoU = EVAL.Mean_Intersection_over_Union()
FWIoU = EVAL.Frequency_Weighted_Intersection_over_Union()
print('[ validation ] [PA1: {:.8f}], [MPA1: {:.8f}], [MIoU1: {:.8f}], [FWIoU1: {:.8f}]'.format(PA, MPA,MIoU, FWIoU))
log_message ='**validation** [average loss: {:.8f} ],[PA1: {:.8f}], [MPA1: {:.8f}], [MIoU1: {:.8f}], [FWIoU1: {:.8f}]'\
.format(all_loss/len(val_dataLoader),PA, MPA,MIoU, FWIoU)
write_log(args.log_file_name,log_message)
return FWIoU
def test_eval3():
e = Eval()
assert e.eval("xxxx").startswith("Traceback")
assert e.eval("""\
def f(x):
return x**2 + 1 + y
if f(3) == 9:
a = 1
else:
a = 0
a
"""\
).startswith("Traceback")
def test_eval3():
e = Eval()
assert e.eval("xxxx").startswith("Traceback")
assert e.eval("""\
def f(x):
return x**2 + 1 + y
if f(3) == 9:
a = 1
else:
a = 0
a
"""\
).startswith("Traceback")
def evaluate(model, train_mat, test_mat, config, logger, device):
logger.info("Start evaluation")
model.eval()
device = torch.device(config.device)
with torch.no_grad():
user_num, item_num = train_mat.shape
# users = torch.from_numpy(np.random.choice(user_num, min(user_num, 5000), False)).to(device)
users = np.random.choice(user_num, min(5000, user_num), False)
evals = Eval()
m = evals.evaluate_item(train_mat[users, :],
test_mat[users, :],
users,
model,
device,
topk=50)
return m
def test_zero(epoch, dataset, logdir, N=4):
recall_rates = np.load(os.path.join(data_root, 'recall.npy'))
aps = []
accs = []
topk = [1, 5, 10]
for i, item in enumerate(tqdm(dataset)):
probe, label, gallery_feat = item
probe = probe.squeeze()
gcn_data = gallery_gcn_det(probe, gallery_feat, num=N)
gcn_data = gcn_data[:, 0, :].squeeze()
sim = gcn_data.dot(probe[0, :].squeeze()).ravel()
pred = sim
ap, acc = Eval(label, pred, topk)
aps.append(ap * recall_rates[i])
accs.append(acc)
print(' mAP = {:.2%}'.format(np.mean(aps)))
accs = np.mean(accs, axis=0)
for i, k in enumerate(topk):
print(' top-{:2d} = {:.2%}'.format(k, accs[i]))
return 0
def test_eval1():
e = Eval()
assert e.eval("1+1") == "2"
assert e.eval("1+1\n") == "2"
assert e.eval("a=1+1") == ""
assert e.eval("a=1+1\n") == ""
assert e.eval("a=1+1\na") == "2"
assert e.eval("a=1+1\na\n") == "2"
assert e.eval("a=1+1\na=3") == ""
assert e.eval("a=1+1\na=3\n") == ""
def try_sympy(self, s):
namespace = {}
exec "from sympy.interactive import *" in {}, namespace
a = Eval(namespace)
# change to True to spare the user from exceptions:
r = a.eval(s, use_none_for_exceptions=False)
if r is not None:
result = [
{"title": "Input", "input": s},
{"title": "SymPy", "input": s, "output": r},
]
code = """\
s = %s
a = s.atoms(Symbol)
if len(a) == 1:
x = a.pop()
result = %s
else:
result = None
result
"""
line = "diff(%s, x)" % s
r = a.eval(code % (s, line), use_none_for_exceptions=True)
if r and r != "None":
result.append(
{"title": "Derivative", "input": line,
"output": r})
line = "integrate(%s, x)" % s
r = a.eval(code % (s, line), use_none_for_exceptions=True)
if r and r != "None":
result.append(
{"title": "Indefinite integral", "input": line,
"output": r})
line = "series(%s, x, 0, 10)" % s
r = a.eval(code % (s, line), use_none_for_exceptions=True)
if r and r != "None":
result.append(
{"title": "Series expansion around 0", "input": line,
"output": r})
return result
else:
return None
def test_one_epoch(epoch, dataset, model, logdir, best, N=4):
aps = []
accs = []
aps_p = []
accs_p = []
topk = [1, 5, 10]
recall_rates = np.load(os.path.join(data_root, 'recall.npy'))
for i, item in enumerate(tqdm(dataset)):
probe, label, gallery_feat = item
probe = probe.squeeze()
gcn_data = gallery_gcn_det(probe, gallery_feat, num=N)
gcn_data0 = gcn_data[:, 0, :].squeeze()
sim0 = gcn_data0.dot(probe[0, :].squeeze()).ravel()
gcn_data = torch.tensor(gcn_data).cuda()
probe = torch.tensor(probe).cuda()
prob, gal, sim = model(gcn_data, probe)
pred = sim.cpu().data.numpy()
pred_p = pred + sim0
ap_p, acc_p = Eval(label, pred_p, topk)
aps_p.append(ap_p * recall_rates[i])
accs_p.append(acc_p)
map = np.mean(aps_p)
print(' mAP = {:.2%}'.format(map))
accs = np.mean(accs_p, axis=0)
for i, k in enumerate(topk):
print(' top-{:2d} = {:.2%}'.format(k, accs[i]))
#print('epoch:{} acc:{:.4f} map:{:.4f}'.format(epoch, accs[0], map))
if accs[0] > best:
best = accs[0]
if not os.path.exists(logdir):
os.mkdir(logdir)
np.save(os.path.join(logdir, 'log_{}'.format(epoch)), accs)
logfile = os.path.join(logdir, 'log_gcnnet{}.txt'.format(epoch))
writer = open(logfile, 'w')
writer.write("company number: " + str(N))
writer.write('\n')
writer.write('map:{:.4f}\n'.format(map))
ids = topk
for i, topi in enumerate(ids):
writer.write('top_{} acc:{:.4f}\n'.format(topi, accs[i]))
writer.close()
return best
def test_eval1():
e = Eval()
assert e.eval("1+1") == "2"
assert e.eval("1+1\n") == "2"
assert e.eval("a=1+1") == ""
assert e.eval("a=1+1\n") == ""
assert e.eval("a=1+1\na") == "2"
assert e.eval("a=1+1\na\n") == "2"
assert e.eval("a=1+1\na=3") == ""
assert e.eval("a=1+1\na=3\n") == ""
def test_eval2():
e = Eval()
assert e.eval("""\
def f(x):
return x**2
f(3)
"""\
) == "9"
assert e.eval("""\
def f(x):
return x**2
f(3)
a = 5
"""\
) == ""
assert e.eval("""\
def f(x):
return x**2
if f(3) == 9:
a = 1
else:
a = 0
a
"""\
) == "1"
assert e.eval("""\
def f(x):
return x**2 + 1
if f(3) == 9:
a = 1
else:
a = 0
a
"""\
) == "0"
def eval_input(self, s):
namespace = {}
exec
PREEXEC in {}, namespace
def plot(f=None, **kwargs):
"""Plot functions. Not the same as SymPy's plot.
This plot function is specific to Gamma. It has the following syntax::
plot([x^2, x^3, ...])
or::
plot(y=x,y1=x^2,r=sin(theta),r1=cos(theta))
``plot`` accepts either a list of single-variable expressions to
plot or keyword arguments indicating expressions to plot. If
keyword arguments are used, the plot will be polar if the keyword
argument starts with ``r`` and will be an xy graph otherwise.
Note that Gamma will cut off plot values above and below a
certain value, and that it will **not** warn the user if so.
"""
pass
namespace.update({
'plot': plot, # prevent textplot from printing stuff
'help': lambda f: f
})
evaluator = Eval(namespace)
# change to True to spare the user from exceptions:
if not len(s):
return None
transformations = []
transformations.append(synonyms)
transformations.extend(standard_transformations)
transformations.extend((convert_xor, custom_implicit_transformation))
parsed = stringify_expr(s, {}, namespace, transformations)
try:
evaluated = eval_expr(parsed, {}, namespace)
except SyntaxError:
raise
except Exception as e:
raise ValueError(str(e))
input_repr = repr(evaluated)
namespace['input_evaluated'] = evaluated
return parsed, arguments(parsed, evaluator), evaluator, evaluated
def try_sympy(self, s):
namespace = {}
exec PREEXEC in {}, namespace
a = Eval(namespace)
# change to True to spare the user from exceptions:
if not len(s):
return
try:
evaluated = sympify(s,
convert_xor=True,
locals={
'integrate': sympy.Integral,
'plot': lambda func: func
})
input_repr = repr(evaluated)
namespace['input_evaluated'] = evaluated
except sympy_parser.TokenError:
return [{
"title": "Input",
"input": s
}, {
"title": "Error",
"input": s,
"error": "Invalid input"
}]
except Exception as e:
return self.handle_error(s, e)
if input_repr is not None:
result = [
{
"title": "Input",
"input": s
},
{
"title": "SymPy",
"input": s,
"output": input_repr
},
]
if isinstance(evaluated, sympy.Basic):
variables = evaluated.atoms(Symbol)
if len(variables) == 1:
var = variables.pop()
else:
var = None
else:
var = None
convert_input, cards = find_result_set(evaluated)
namespace['input_evaluated'], var = convert_input(evaluated, var)
# Come up with a solution to use all variables if more than 1
# is entered.
if var != None: # See a better way to do this.
input_repr = repr(namespace['input_evaluated'])
line = "simplify(input_evaluated)"
simplified = a.eval(line, use_none_for_exceptions=True)
r = sympify(a.eval(line, use_none_for_exceptions=True))
if simplified != "None" and simplified != input_repr:
result.append({
"title": "Simplification",
"input": simplified,
"output": mathjax_latex(r)
})
for card in cards:
try:
r = card.eval(a, var)
if r != "None":
formatted_input = card.format_input(
input_repr, var)
result.append(
dict(title=card.title,
input=formatted_input,
pre_output=latex(
card.pre_output_function(
input_repr, var)),
output=card.format_output(
r, mathjax_latex)))
except SyntaxError:
pass
return result
else:
return None
def evaluate(self, train, test):
m, n = train.shape
u, v = self.get_uv()
users = np.random.choice(m, min(m, 50000), False)
m = Eval.evaluate_item(train[users, :], test[users, :], u[users, :], v, topk=-1)
return m
def try_sympy(self, s):
namespace = {}
exec PREEXEC in {}, namespace
a = Eval(namespace)
# change to True to spare the user from exceptions:
if not len(s):
return
try:
evaluated = sympify(s, convert_xor=True, locals={
'integrate': sympy.Integral,
'plot': lambda func: func
})
input_repr = repr(evaluated)
namespace['input_evaluated'] = evaluated
except sympy_parser.TokenError:
return [
{"title": "Input", "input": s},
{"title": "Error", "input": s, "error": "Invalid input"}
]
except Exception as e:
return self.handle_error(s, e)
if input_repr is not None:
result = [
{"title": "Input", "input": s},
{"title": "SymPy", "input": s, "output": input_repr},
]
if isinstance(evaluated, sympy.Basic):
variables = evaluated.atoms(Symbol)
if len(variables) == 1:
var = variables.pop()
else:
var = None
else:
var = None
convert_input, cards = find_result_set(evaluated)
namespace['input_evaluated'], var = convert_input(evaluated, var)
# Come up with a solution to use all variables if more than 1
# is entered.
if var != None: # See a better way to do this.
input_repr = repr(namespace['input_evaluated'])
line = "simplify(input_evaluated)"
simplified = a.eval(line, use_none_for_exceptions=True)
r = sympify(a.eval(line, use_none_for_exceptions=True))
if simplified != "None" and simplified != input_repr:
result.append(
{"title": "Simplification", "input": simplified,
"output": mathjax_latex(r)})
for card in cards:
try:
r = card.eval(a, var)
if r != "None":
formatted_input = card.format_input(input_repr, var)
result.append(dict(
title=card.title,
input=formatted_input,
pre_output=latex(
card.pre_output_function(input_repr, var)),
output=card.format_output(r, mathjax_latex)
))
except SyntaxError:
pass
return result
else:
return None