def load_tissue(params=None):
random_seed = params.random_seed
dense_dim = params.dense_dim
set_seed(random_seed)
# 400 0.7895
# 200 0.5117
# 100 0.3203
# 50 0.2083
"""
root = '../data/mammary_gland'
num = 2915
data_path = f'{root}/mouse_Mammary_gland{num}_data.csv'
type_path = f'{root}/mouse_Mammary_gland{num}_celltype.csv'
"""
data_path = '../data/mouse_data/mouse_brain_2915_data.csv'
type_path = '../data/mouse_data/mouse_brain_2915_celltype.csv'
# load celltype file then update labels accordingly
cell2type = pd.read_csv(type_path, index_col=0)
cell2type.columns = ['cell', 'type']
id2label = cell2type['type'].drop_duplicates(keep='first').tolist()
label2id = {label: idx for idx, label in enumerate(id2label)}
print(f'{len(id2label)} classes in total')
cell2type['id'] = cell2type['type'].map(label2id)
assert not cell2type['id'].isnull().any(), 'something wrong about celltype file.'
# load data file
data = pd.read_csv(data_path, index_col=0)
data = data.transpose(copy=True)
assert cell2type['cell'].tolist() == data.index.tolist()
print(f'{data.shape[0]} cells, {data.shape[1]} genes.')
# genes
id2gene = data.columns.tolist()
gene2id = {gene: idx for idx, gene in enumerate(id2gene)}
# construct graph and add nodes and edges
graph = dgl.DGLGraph()
start = time()
# 1. add all genes as nodes
num_genes = len(id2gene)
graph.add_nodes(num_genes)
# maintain a kind of sparse idx for Graph
row_idx, col_idx = data.to_numpy().nonzero()
row_idx = row_idx + num_genes
# 2. add cell nodes and edges
num_cells = data.shape[0]
graph.add_nodes(num_cells)
graph.add_edges(row_idx, col_idx)
graph.add_edges(col_idx, row_idx)
print(f'Added {num_cells} nodes and {len(row_idx)} edges.')
print(f'#Nodes: {graph.number_of_nodes()}, #Edges: {graph.number_of_edges()}.')
print(data.head())
# reduce sparse features to dense features
cell_pca = PCA(n_components=dense_dim, random_state=random_seed)
cell_pca.fit(data.values)
cell_feat = cell_pca.transform(data.values)
cell_feat = torch.FloatTensor(cell_feat)
gene_pca = PCA(n_components=dense_dim, random_state=random_seed)
gene_pca.fit(data.T.values)
gene_feat = gene_pca.transform(data.T.values)
gene_feat = torch.FloatTensor(gene_feat)
feat = torch.cat([gene_feat, cell_feat], dim=0)
# feat = torch.zeros(graph.number_of_nodes(), dense_dim).normal_()
cell_evr = sum(cell_pca.explained_variance_ratio_) * 100
gene_evr = sum(gene_pca.explained_variance_ratio_) * 100
print(f'[PCA] Cell EVR: {cell_evr:.2f}%. Gene EVR: {gene_evr:.2f} %.')
# generate labels for training and testing
labels = torch.LongTensor(cell2type['id'].tolist())
train_mask = torch.zeros(num_cells, dtype=torch.bool)
train_randidx = torch.randperm(num_cells)[:int(num_cells * 0.8)]
# generate mask
train_mask[train_randidx] = True
test_mask = ~train_mask
return num_cells, num_genes, graph, feat, labels, train_mask, test_mask
In this tutorial, you learn how to create a graph and how to read and write node and edge representations. """ ############################################################################### # Creating a graph # ---------------- # The design of :class:`DGLGraph` was influenced by other graph libraries. You # can create a graph from networkx and convert it into a :class:`DGLGraph` and # vice versa. import networkx as nx import dgl g_nx = nx.petersen_graph() g_dgl = dgl.DGLGraph(g_nx) import matplotlib.pyplot as plt plt.subplot(121) nx.draw(g_nx, with_labels=True) plt.subplot(122) nx.draw(g_dgl.to_networkx(), with_labels=True) plt.show() ############################################################################### # There are many ways to construct a :class:`DGLGraph`. Below are the allowed # data types ordered by our recommendataion. # # * A pair of arrays ``(u, v)`` storing the source and destination nodes respectively. # They can be numpy arrays or tensor objects from the backend framework.
def generate_rand_graph(n):
arr = (sp.sparse.random(n, n, density=0.1, format='coo') != 0).astype(
np.int64)
return dgl.DGLGraph(arr, readonly=True)
else:
return batch_graph.edges[tuple(zip(*batch_readout_edge_list))].data['pred'], \
batch_graph.nodes[batch_h_node_list].data['alpha'], \
batch_graph.nodes[batch_h_node_list].data['alpha_lang']
if __name__ == "__main__":
model = AGRNN()
node_num = 3
edge_list = []
for src in range(node_num):
for dst in range(node_num):
edge_list.append((src, dst))
src, dst = tuple(zip(*edge_list))
g = dgl.DGLGraph()
g.add_nodes(node_num)
g.add_edges(src, dst)
import ipdb
ipdb.set_trace()
e_data = torch.eye(9)
n_data = torch.arange(9)
g.edata['feat'] = e_data
g.ndata['x'] = n_data
# @staticmethod
# def _build_graph(node_num, roi_label, node_space):
# graph = dgl.DGLGraph()
# graph.add_nodes(node_num)
def test_rgcn_sorted(O):
ctx = F.ctx()
etype = []
g = dgl.DGLGraph(sp.sparse.random(100, 100, density=0.1), readonly=True)
g = g.to(F.ctx())
# 5 etypes
R = 5
etype = [200, 200, 200, 200, 200]
B = 2
I = 10
rgc_basis = nn.RelGraphConv(I, O, R, "basis", B).to(ctx)
rgc_basis_low = nn.RelGraphConv(I, O, R, "basis", B, low_mem=True).to(ctx)
rgc_basis_low.weight = rgc_basis.weight
rgc_basis_low.w_comp = rgc_basis.w_comp
rgc_basis_low.loop_weight = rgc_basis.loop_weight
h = th.randn((100, I)).to(ctx)
r = etype
h_new = rgc_basis(g, h, r)
h_new_low = rgc_basis_low(g, h, r)
assert list(h_new.shape) == [100, O]
assert list(h_new_low.shape) == [100, O]
assert F.allclose(h_new, h_new_low)
if O % B == 0:
rgc_bdd = nn.RelGraphConv(I, O, R, "bdd", B).to(ctx)
rgc_bdd_low = nn.RelGraphConv(I, O, R, "bdd", B, low_mem=True).to(ctx)
rgc_bdd_low.weight = rgc_bdd.weight
rgc_bdd_low.loop_weight = rgc_bdd.loop_weight
h = th.randn((100, I)).to(ctx)
r = etype
h_new = rgc_bdd(g, h, r)
h_new_low = rgc_bdd_low(g, h, r)
assert list(h_new.shape) == [100, O]
assert list(h_new_low.shape) == [100, O]
assert F.allclose(h_new, h_new_low)
# with norm
norm = th.rand((g.number_of_edges(), 1)).to(ctx)
rgc_basis = nn.RelGraphConv(I, O, R, "basis", B).to(ctx)
rgc_basis_low = nn.RelGraphConv(I, O, R, "basis", B, low_mem=True).to(ctx)
rgc_basis_low.weight = rgc_basis.weight
rgc_basis_low.w_comp = rgc_basis.w_comp
rgc_basis_low.loop_weight = rgc_basis.loop_weight
h = th.randn((100, I)).to(ctx)
r = etype
h_new = rgc_basis(g, h, r, norm)
h_new_low = rgc_basis_low(g, h, r, norm)
assert list(h_new.shape) == [100, O]
assert list(h_new_low.shape) == [100, O]
assert F.allclose(h_new, h_new_low)
if O % B == 0:
rgc_bdd = nn.RelGraphConv(I, O, R, "bdd", B).to(ctx)
rgc_bdd_low = nn.RelGraphConv(I, O, R, "bdd", B, low_mem=True).to(ctx)
rgc_bdd_low.weight = rgc_bdd.weight
rgc_bdd_low.loop_weight = rgc_bdd.loop_weight
h = th.randn((100, I)).to(ctx)
r = etype
h_new = rgc_bdd(g, h, r, norm)
h_new_low = rgc_bdd_low(g, h, r, norm)
assert list(h_new.shape) == [100, O]
assert list(h_new_low.shape) == [100, O]
assert F.allclose(h_new, h_new_low)
# id input
rgc_basis = nn.RelGraphConv(I, O, R, "basis", B).to(ctx)
rgc_basis_low = nn.RelGraphConv(I, O, R, "basis", B, low_mem=True).to(ctx)
rgc_basis_low.weight = rgc_basis.weight
rgc_basis_low.w_comp = rgc_basis.w_comp
rgc_basis_low.loop_weight = rgc_basis.loop_weight
h = th.randint(0, I, (100, )).to(ctx)
r = etype
h_new = rgc_basis(g, h, r)
h_new_low = rgc_basis_low(g, h, r)
assert list(h_new.shape) == [100, O]
assert list(h_new_low.shape) == [100, O]
assert F.allclose(h_new, h_new_low)
def __getitem__(self, idx):
# Returns tuple
# Smiles has to be in first column of the csv !!
row = self.df.iloc[idx, :]
smiles = row.smiles # needed anyway to build graph
m = Chem.MolFromSmiles(smiles)
if self.compute_selfies:
Chem.Kekulize(m)
k = Chem.MolToSmiles(m, isomericSmiles=False,
kekuleSmiles=True) # kekuleSmiles
selfie = encoder(k)
"""
if selfie != row.selfies:
print('new selfie:', selfie)
print('prev : ', row.selfies)
"""
else:
selfie = row.selfies
# 1 - Graph building
if m != None:
graph = smiles_to_nx(smiles)
else:
return None, 0, 0, 0
one_hot = {
edge: torch.tensor(self.edge_map[label])
for edge, label in (
nx.get_edge_attributes(graph, 'bond_type')).items()
}
nx.set_edge_attributes(graph, name='one_hot', values=one_hot)
try:
at_type = {
a: oh_tensor(self.at_map[label], self.num_atom_types)
for a, label in (
nx.get_node_attributes(graph, 'atomic_num')).items()
}
nx.set_node_attributes(graph, name='atomic_num', values=at_type)
except KeyError:
print('!!!! Atom type to one-hot error for input ', smiles,
' ignored')
return None, 0, 0, 0
at_charge = {
a: oh_tensor(self.charges_map[label], self.num_charges)
for a, label in (
nx.get_node_attributes(graph, 'formal_charge')).items()
}
nx.set_node_attributes(graph, name='formal_charge', values=at_charge)
try:
hydrogens = {
a: torch.tensor(self.chi_map[label], dtype=torch.float)
for a, label in (
nx.get_node_attributes(graph, 'num_explicit_hs')).items()
}
nx.set_node_attributes(graph,
name='num_explicit_hs',
values=hydrogens)
except KeyError:
print(
'!!!! Number of explicit hydrogens to one-hot error for input ',
smiles, ' ignored')
return None, 0, 0, 0
aromatic = {
a: torch.tensor(self.chi_map[label], dtype=torch.float)
for a, label in (
nx.get_node_attributes(graph, 'is_aromatic')).items()
}
nx.set_node_attributes(graph, name='is_aromatic', values=aromatic)
at_chir = {
a: torch.tensor(self.chi_map[label], dtype=torch.float)
for a, label in (
nx.get_node_attributes(graph, 'chiral_tag')).items()
}
nx.set_node_attributes(graph, name='chiral_tag', values=at_chir)
# to dgl
g_dgl = dgl.DGLGraph()
node_features = [
'atomic_num', 'formal_charge', 'num_explicit_hs', 'is_aromatic',
'chiral_tag'
]
g_dgl.from_networkx(nx_graph=graph,
node_attrs=node_features,
edge_attrs=['one_hot'])
N = g_dgl.number_of_nodes()
g_dgl.ndata['h'] = torch.cat(
[g_dgl.ndata[f].view(N, -1) for f in node_features], dim=1)
if self.graph_only: # give only the graph (to encode in latent space)
return g_dgl, 0, 0, 0
# 2 - Smiles / selfies to integer indices array
if self.language == 'selfies':
a, valid_flag = self.selfies_to_hot(selfie)
if valid_flag == 0: # no one hot encoding for this selfie, ignore
print('!!! Selfie to one-hot failed with current alphabet')
return None, 0, 0, 0
else:
a = np.zeros(self.max_len)
idces = [self.char_to_index[c] for c in smiles]
a[:len(idces)] = idces
# 3 - Optional props and affinities
props, targets = 0, 0
if len(self.props) > 0:
props = np.array(row[self.props], dtype=np.float32)
if len(self.targets) > 0 and self.binned_scores:
targets = np.array(row[self.targets],
dtype=np.int64) # for torch.long class labels
elif len(self.targets) > 0:
targets = np.array(row[self.targets],
dtype=np.float32) # for torch.float values
targets = np.nan_to_num(targets) # if nan somewhere, change to 0.
return g_dgl, a, props, targets
def main(args):
column_headers = [
"dataset", "setting", "model", "pretraining", "epoch", "accuracy"
]
use_cuda = args.use_cuda and torch.cuda.is_available()
print("Using CUDA:", use_cuda)
results_df = pd.DataFrame(columns=column_headers)
data = load_data(args)
features = torch.FloatTensor(data.features)
labels = torch.LongTensor(data.labels)
train_mask = torch.ByteTensor(data.train_mask)
val_mask = torch.ByteTensor(data.val_mask)
test_mask = torch.ByteTensor(data.test_mask)
in_feats = features.shape[1]
n_classes = data.num_labels
# We dont use a validation set
train_mask = train_mask | val_mask
if args.invert:
# This is different from swapping train and test mask
# because train | test not cover the whole dataset
train_mask, test_mask = ~train_mask, train_mask
setting = 'B'
else:
setting = 'A'
g = dgl.DGLGraph(data.graph)
# Suppress warning
g.set_n_initializer(dgl.init.zero_initializer)
# add self loop
g.add_edges(g.nodes(), g.nodes())
# g_train, g = split_graph(g, train_mask)
# # Select train nodes..
train_nodes = torch.arange(g.number_of_nodes())[train_mask]
if use_cuda:
features, labels = features.cuda(), labels.cuda()
train_mask, test_mask = train_mask.cuda(), test_mask.cuda()
train_nodes = train_nodes.cuda()
# .. to induce subgraph
g_train = g.subgraph(train_nodes)
g_train.set_n_initializer(dgl.init.zero_initializer)
features_train = features[train_mask]
labels_train = labels[train_mask]
# Verify sizes of train set
assert int(train_mask.sum().item()) == features_train.size(0)\
== labels_train.size(0) == g_train.number_of_nodes()
# Random Restarts
for __ in range(args.runs):
# Init net
net = build_model(args.model, args.dataset, g_train, in_feats,
n_classes)
if use_cuda:
net = net.cuda()
print(net)
# Init optimizers
# optimizer = torch.optim.Adam(net.parameters(),
# **training_optimizer_params)
optimizer = build_optimizer(net.parameters(),
args.model,
args.dataset,
inference=False)
print("Optimizer", optimizer)
# Pre-training
for epoch in range(args.epochs):
train_epoch(
epoch + 1,
net,
optimizer,
features_train,
labels_train,
train_mask=None # Use all labels of the *train* subgraph
)
print("=== INFERENCE ===")
net.set_graph(g)
# Eval without inference epochs
accuracy_score = eval_inference(0, net, features, labels, test_mask)
results_df = results_df.append(pd.DataFrame([[
args.dataset, setting, args.model, args.epochs, 0, accuracy_score
]],
columns=column_headers),
ignore_index=True)
# Fresh optimizer for up-training at inference time
# optimizer = torch.optim.Adam(net.parameters(),
# **inference_optimizer_params)
del optimizer
optimizer = build_optimizer(net.parameters(),
args.model,
args.dataset,
inference=True)
print("Fresh inference optimizer", optimizer)
for i in range(args.inference):
train_epoch(i + 1,
net,
optimizer,
features,
labels,
train_mask=train_mask)
accuracy_score = eval_inference(i + 1, net, features, labels,
test_mask)
results_df = results_df.append(pd.DataFrame(
[[
args.dataset, setting, args.model, args.epochs, i + 1,
accuracy_score
]],
columns=column_headers),
ignore_index=True)
del net
del optimizer
torch.cuda.empty_cache() # don't leak here
print(args)
for i in range(args.inference + 1):
# Print results to command line
rbi = results_df[results_df['epoch'] == i]['accuracy']
print(
"Avg accuracy over {} runs after {} inference epochs: {:.4f} ({:.4f})"
.format(args.runs, i, rbi.mean(), rbi.std()))
if args.outfile is not None:
# And store them to csv file
appendDFToCSV_void(results_df, args.outfile, sep=",")
def __init__(self, dataset, args):
src = [dataset.train[0]]
etype_id = [dataset.train[1]]
dst = [dataset.train[2]]
self.num_train = len(dataset.train[0])
if args.dataset == "wikikg90M":
self.valid_dict = dataset.valid
self.num_valid = len(self.valid_dict['h,r->t']['hr'])
elif dataset.valid is not None:
src.append(dataset.valid[0])
etype_id.append(dataset.valid[1])
dst.append(dataset.valid[2])
self.num_valid = len(dataset.valid[0])
else:
self.num_valid = 0
if args.dataset == "wikikg90M":
self.test_dict = dataset.test
self.num_test = len(self.test_dict['h,r->t']['hr'])
elif dataset.test is not None:
src.append(dataset.test[0])
etype_id.append(dataset.test[1])
dst.append(dataset.test[2])
self.num_test = len(dataset.test[0])
else:
self.num_test = 0
if args.dataset == "wikikg90M":
print('|valid|:', self.num_valid)
print('|test|:', self.num_test)
return
assert len(
src) > 1, "we need to have at least validation set or test set."
src = np.concatenate(src)
etype_id = np.concatenate(etype_id)
dst = np.concatenate(dst)
coo = sp.sparse.coo_matrix(
(np.ones(len(src)), (src, dst)),
shape=[dataset.n_entities, dataset.n_entities])
g = dgl.DGLGraph(coo, readonly=True, multigraph=True, sort_csr=True)
g.edata['tid'] = F.tensor(etype_id, F.int64)
self.g = g
if args.eval_percent < 1:
self.valid = np.random.randint(
0,
self.num_valid,
size=(int(
self.num_valid * args.eval_percent), )) + self.num_train
else:
self.valid = np.arange(self.num_train,
self.num_train + self.num_valid)
print('|valid|:', len(self.valid))
if args.eval_percent < 1:
self.test = np.random.randint(
0,
self.num_test,
size=(int(self.num_test * args.eval_percent, )))
self.test += self.num_train + self.num_valid
else:
self.test = np.arange(self.num_train + self.num_valid,
self.g.number_of_edges())
print('|test|:', len(self.test))
def generate_batch_G(self, target_bg=None, x=None, batch_size=1, style=None):
# init graph
k = self.k
m = self.m
n = self.n
ajr = self.ajr
if style is not None:
style = style
else:
style = self.style
if target_bg is not None:
bg = dgl.batch(np.random.choice(target_bg, batch_size, replace=True))
else:
if style.startswith('er'):
p = float(style.split('-')[1])
G = [nx.erdos_renyi_graph(n, p) for _ in range(batch_size)]
adj_matrices = torch.cat([torch.tensor(nx.adjacency_matrix(g).todense()).float() for g in G])
elif style.startswith('ba'):
_m = int(style.split('-')[1])
G = [nx.barabasi_albert_graph(n, _m) for _ in range(batch_size)]
adj_matrices = torch.cat([torch.tensor(nx.adjacency_matrix(g).todense()).float() for g in G])
# init batch graphs
gs = [dgl.DGLGraph() for _ in range(batch_size)]
_ = [(g.add_nodes(n), g.add_edges(self.src, self.dst)) for g in gs]
bg = dgl.batch(gs)
# 2-d coordinates 'x'
if x is None:
if style == 'plain':
bg.ndata['x'] = torch.rand((batch_size * n, 2))
elif style == 'shift':
bg.ndata['x'] = torch.rand((batch_size * n, 2)) * 10 + 5
elif style.startswith('cluster'):
_h = 2
cluster_style = int(style.split('-')[1])
if cluster_style == 0:
center = torch.rand((batch_size * k, 1, _h)).repeat(1, m, 1) * 6
elif cluster_style == 1: # k=4
mask = torch.tensor([[[0, 0]], [[0, 5]], [[5, 0]], [[5, 5]]]).repeat(batch_size, 1, 1)
center = torch.rand((batch_size * k, 1, _h)) * 3 + mask
center = center.repeat(1, m, 1)
elif cluster_style == 2: # k=4
mask = torch.tensor([[[0, 0]], [[0, 0]], [[5, 5]], [[5, 5]]]).repeat(batch_size, 1, 1)
center = torch.rand((batch_size * k, 1, _h)) * 3 + mask
center = center.repeat(1, m, 1)
bg.ndata['x'] = (center + torch.rand((batch_size * k, m, _h))).view(batch_size * n, _h)
else:
bg.ndata['x'] = x
# label
if self.cut == 'equal':
label = torch.tensor(range(k)).unsqueeze(1).repeat(batch_size, m).view(-1)
else:
label = torch.tensor(self.init_label).repeat(batch_size)
batch_mask = torch.tensor(range(0, n * batch_size, n)).unsqueeze(1).expand(batch_size, n).flatten()
perm_idx = torch.cat([torch.randperm(n) for _ in range(batch_size)]) + batch_mask
label = label[perm_idx].view(batch_size, n)
bg.ndata['label'] = torch.nn.functional.one_hot(label, k).float().view(batch_size * n, k)
# calculate edges
if target_bg is not None:
# permute the dist matrix
# TODO: add ndata['adj']
bg.edata['d'] *= F.relu(torch.ones(bg.edata['d'].shape).cuda() + 0.1 * torch.randn(bg.edata['d'].shape).cuda())
else:
if style.startswith('er') or style.startswith('ba'):
# TODO: add ndata['adj']
bg.edata['d'] = adj_matrices.view(batch_size, -1, 1)[:, self.nonzero_idx, :].view(-1, 1)
else:
_, neighbor_idx, square_dist_matrix = dgl.transform.knn_graph(bg.ndata['x'].view(batch_size, n, -1), ajr + 1, extend_info=True)
square_dist_matrix = F.relu(square_dist_matrix, inplace=True) # numerical error could result in NaN in sqrt. value
bg.ndata['adj'] = torch.sqrt(square_dist_matrix).view(bg.number_of_nodes(), -1)
# scale d (maintain avg=0.5):
if style != 'plain':
bg.ndata['adj'] /= (bg.ndata['adj'].sum() / (bg.ndata['adj'].shape[0]**2) / 0.5)
bg.edata['d'] = bg.ndata['adj'].view(batch_size, -1, 1)[:, self.nonzero_idx, :].view(-1, 1)
group_matrix = torch.bmm(bg.ndata['label'].view(batch_size, n, -1), bg.ndata['label'].view(batch_size, n, -1).transpose(1, 2)).view(batch_size, -1)[:, self.nonzero_idx].view(-1, 1)
if target_bg is not None:
bg.edata['e_type'][:, 1:] = group_matrix
else:
if style.startswith('er') or style.startswith('ba'):
bg.edata['e_type'] = torch.cat([bg.edata['d'], group_matrix], dim=1)
else:
neighbor_idx -= torch.tensor(range(0, batch_size * n, n)).view(batch_size, 1, 1).repeat(1, n, ajr + 1) \
- torch.tensor(range(0, batch_size * n * n, n * n)).view(batch_size, 1, 1).repeat(1, n,
ajr + 1)
adjacent_matrix = torch.zeros((batch_size * n * n, 1))
adjacent_matrix[neighbor_idx + self.adj_mask.repeat(batch_size, 1, 1)] = 1
adjacent_matrix = adjacent_matrix.view(batch_size, n * n, 1)[:, self.nonzero_idx, :].view(-1, 1)
bg.edata['e_type'] = torch.cat([adjacent_matrix, group_matrix], dim=1)
return bg
def test_pickling_graph():
# graph structures and frames are pickled
g = dgl.DGLGraph()
g.add_nodes(3)
src = F.tensor([0, 0])
dst = F.tensor([1, 2])
g.add_edges(src, dst)
x = F.randn((3, 7))
y = F.randn((3, 5))
a = F.randn((2, 6))
b = F.randn((2, 4))
g.ndata['x'] = x
g.ndata['y'] = y
g.edata['a'] = a
g.edata['b'] = b
# registered functions are pickled
g.register_message_func(_global_message_func)
reduce_func = fn.sum('x', 'x')
g.register_reduce_func(reduce_func)
# custom attributes should be pickled
g.foo = 2
new_g = _reconstruct_pickle(g)
_assert_is_identical(g, new_g)
assert new_g.foo == 2
assert new_g._message_func == _global_message_func
assert isinstance(new_g._reduce_func, type(reduce_func))
assert new_g._reduce_func._name == 'sum'
assert new_g._reduce_func.reduce_op == F.sum
assert new_g._reduce_func.msg_field == 'x'
assert new_g._reduce_func.out_field == 'x'
# test batched graph with partial set case
g2 = dgl.DGLGraph()
g2.add_nodes(4)
src2 = F.tensor([0, 1])
dst2 = F.tensor([2, 3])
g2.add_edges(src2, dst2)
x2 = F.randn((4, 7))
y2 = F.randn((3, 5))
a2 = F.randn((2, 6))
b2 = F.randn((2, 4))
g2.ndata['x'] = x2
g2.nodes[[0, 1, 3]].data['y'] = y2
g2.edata['a'] = a2
g2.edata['b'] = b2
bg = dgl.batch([g, g2])
bg2 = _reconstruct_pickle(bg)
_assert_is_identical(bg, bg2)
new_g, new_g2 = dgl.unbatch(bg2)
_assert_is_identical(g, new_g)
_assert_is_identical(g2, new_g2)
# readonly graph
g = dgl.DGLGraph([(0, 1), (1, 2)], readonly=True)
new_g = _reconstruct_pickle(g)
_assert_is_identical(g, new_g)
# multigraph
g = dgl.DGLGraph([(0, 1), (0, 1), (1, 2)], multigraph=True)
new_g = _reconstruct_pickle(g)
_assert_is_identical(g, new_g)
# readonly multigraph
g = dgl.DGLGraph([(0, 1), (0, 1), (1, 2)], multigraph=True, readonly=True)
new_g = _reconstruct_pickle(g)
_assert_is_identical(g, new_g)
def ProcessImage(batch_itr):
X, y = batch_itr
ybar = np.ones([64, 64]) * -2.
Y = np.stack([y[0], y[1], y[2], y[3], y[4], y[5], ybar], axis=0)
test1, test2, test3, test4, test5, test6, testT =\
MakeLayer(X[0], Y[0], 0), MakeLayer(X[1], Y[1], 1), \
MakeLayer(X[2], Y[2], 2), MakeLayer(X[3], Y[3], 3), \
MakeLayer(X[4], Y[4], 4), MakeLayer(X[5], Y[5], 5), \
MakeLayer(X[6], Y[6], 6)
energy_val = np.concatenate(
[testT[0], test1[0], test2[0], test3[0], test4[0], test5[0], test6[0]])
x_val = np.concatenate(
[testT[1], test1[1], test2[1], test3[1], test4[1], test5[1], test6[1]])
y_val = np.concatenate(
[testT[2], test1[2], test2[2], test3[2], test4[2], test5[2], test6[2]])
z_val = np.concatenate(
[testT[3], test1[3], test2[3], test3[3], test4[3], test5[3], test6[3]])
x_idx = np.concatenate(
[testT[4], test1[4], test2[4], test3[4], test4[4], test5[4], test6[4]])
y_idx = np.concatenate(
[testT[5], test1[5], test2[5], test3[5], test4[5], test5[5], test6[5]])
z_idx = np.concatenate(
[testT[6], test1[6], test2[6], test3[6], test4[6], test5[6], test6[6]])
target_val = np.concatenate(
[testT[7], test1[7], test2[7], test3[7], test4[7], test5[7], test6[7]])
point_indx = np.array([z_idx, x_idx, y_idx], dtype=int)
point_indx = np.transpose(point_indx)
point = np.array([x_val, y_val, z_val])
point = np.transpose(point)
point = np.reshape(point, (1, point.shape[0], point.shape[1]))
point = torch.FloatTensor(point)
# x_red = x[loc]
# y_red = y[loc]
graph = KNNGraph(graph_size)
npoints = energy_val.shape[0]
if (npoints < graph_size):
g = dgl.DGLGraph()
g.add_nodes(2)
else:
g = graph(point)
g = dgl.transform.remove_self_loop(g)
sample = {
'Input': X,
'seq_length': len(energy_val),
'point_xyz': point,
'target': torch.FloatTensor(y),
'point_idx_zxy': point_indx,
'energy': torch.FloatTensor(energy_val),
'gr': g
}
return sample
def main():
g_nx = nx.petersen_graph()
g_dgl = dgl.DGLGraph(g_nx)
plt.figure()
def gen_from_data(data, readonly, sort):
return dgl.DGLGraph(data, readonly=readonly, sort_csr=True)
def gen_by_mutation():
g = dgl.DGLGraph()
src, dst = edge_pair_input()
g.add_nodes(10)
g.add_edges(src, dst)
return g
def plot_tree_graph(jet_graph, ax):
ax.set_axis_off()
vtxlist, vtxdict, hadron_list, additional_vtx_dict = compute_jet_vtx(
jet_graph)
pt = jet_graph.jet_pt
eta = jet_graph.jet_eta
flav = jet_graph.jet_DoubleHadLabel
ax.set_title('Flavour : ' + str(flav) + ' pt: ' +
'{0:.2f}'.format(pt / 1000.0) + ' eta: ' +
'{0:.2f}'.format(eta),
fontsize=20)
g = dgl.DGLGraph()
n_nodes = len(jet_graph['trk_node_index']) + len(
jet_graph['jf_node_index']) + len(jet_graph['particle_node_index'])
g.add_nodes(n_nodes)
edge_list = np.dstack([jet_graph.edge_start, jet_graph.edge_end])[0]
labels = {}
for edge in edge_list:
s, e = edge
g.add_edge(int(s), int(e))
pv_x, pv_y, pv_z = jet_graph.truth_PVx, jet_graph.truth_PVy, jet_graph.truth_PVz
g.add_nodes(1)
particles_in_primary = []
for idx, pdgid, x0, y0, z0, x, y, z, stat, injet in zip(
jet_graph['particle_node_index'], jet_graph['particle_node_pdgid'],
jet_graph.particle_node_prod_x, jet_graph.particle_node_prod_y,
jet_graph.particle_node_prod_z, jet_graph.particle_node_decay_x,
jet_graph.particle_node_decay_y, jet_graph.particle_node_decay_z,
jet_graph.particle_node_status, jet_graph.particle_node_inJet):
if np.linalg.norm([x0 - pv_x, y0 - pv_y, z0 - pv_z]) < 0.01:
particles_in_primary.append(idx)
for p_in_primary in particles_in_primary:
has_parent = False
#loop over the other children of the vtx, see if one of them is the parent
for p_in_primary_j in particles_in_primary:
for edge in edge_list:
s, e = edge
if p_in_primary_j == s and p_in_primary == e:
has_parent = True
if not has_parent:
g.add_edge(n_nodes, int(p_in_primary))
G = g.to_networkx()
node_colors = []
for idx, pdgid, charge, in zip(jet_graph['particle_node_index'],
jet_graph['particle_node_pdgid'],
jet_graph.particle_node_charge):
if abs(pdgid) in [6, 24]:
node_colors.append('lightgreen')
elif charge == 0:
node_colors.append('khaki')
else:
node_colors.append('lightsalmon')
pos = nx.nx_agraph.graphviz_layout(G, prog='dot')
min_max_x = list(pos[0])
y_min = -10
for key_i, key in enumerate(jet_graph['particle_node_index']):
if key_i == 0:
min_max_x = list(pos[key])
x, y = pos[key]
if x < min_max_x[0]:
min_max_x[0] = x
if x > min_max_x[1]:
min_max_x[1] = x
if y < y_min:
y_min = y - 10
x_range = min_max_x[1] - min_max_x[0]
n_tracks = len(jet_graph['trk_node_index'])
track_x_positions = []
for track_i, idx in enumerate(jet_graph['trk_node_index']):
x_orig, y_orig = pos[idx]
if idx not in jet_graph.edge_end:
track_x_positions.append(
(min_max_x[0] + track_i * x_range / n_tracks, idx))
else:
track_x_positions.append((x_orig, idx))
track_x_positions = sorted(track_x_positions, key=lambda x: x[0])
spacing = 50
for track_i in range(1, len(track_x_positions)):
previous_pos = track_x_positions[track_i - 1][0]
current_pos = track_x_positions[track_i][0]
if current_pos < previous_pos + spacing:
track_x_positions[track_i] = (previous_pos + spacing,
track_x_positions[track_i][1])
for track_x, idx in track_x_positions:
pos[idx] = (track_x, y_min)
n_jf_vtx = len(jet_graph['jf_node_index'])
for idx, vtx_i in zip(jet_graph['jf_node_index'],
range(len(jet_graph['jf_node_index']))):
pos[idx] = (min_max_x[0] + x_range / 2 +
(vtx_i) * x_range / n_jf_vtx / 2., y_min - 80)
labels[idx] = 'JF' + str(vtx_i)
nx.draw_networkx_nodes(G,
pos,
node_color='orchid',
node_size=1200,
ax=ax,
nodelist=jet_graph['jf_node_index'])
nx.draw_networkx_nodes(G,
pos,
node_color='lightskyblue',
node_size=300,
ax=ax,
nodelist=jet_graph['trk_node_index'])
nx.draw_networkx_nodes(G,
pos,
node_color=node_colors,
node_size=800,
ax=ax,
nodelist=jet_graph['particle_node_index'])
nx.draw_networkx_edges(G, pos, ax=ax)
for idx, pdgid, x0, y0, z0, x, y, z, stat, injet in zip(
jet_graph['particle_node_index'], jet_graph['particle_node_pdgid'],
jet_graph.particle_node_prod_x, jet_graph.particle_node_prod_y,
jet_graph.particle_node_prod_z, jet_graph.particle_node_decay_x,
jet_graph.particle_node_decay_y, jet_graph.particle_node_decay_z,
jet_graph.particle_node_status, jet_graph.particle_node_inJet):
#labels[idx] = str(idx)
#labels[idx] = str(stat)+' '+str(injet)
#labels[idx] = '{0:.2f}'.format(x0)+'\n'+ '{0:.2f}'.format(y0)+'\n'+ '{0:.2f}'.format(z0)
#labels[idx] = '{0:.4f}'.format(np.linalg.norm(np.array([pv_x,pv_y,pv_z])-np.array([x0,y0,z0])))
if pdgid in pdg_id_dict:
labels[idx] = pdg_id_dict[pdgid]
else:
labels[idx] = str(pdgid)
nx.draw_networkx_labels(G, pos, labels, ax=ax)
from scipy.special import softmax
from tensorboardX import SummaryWriter
macrostep = 10
DEVICE = "cuda:0"
with open("stoppedEdges.pkl", 'rb') as f:
stoppedEdges = pickle.load(f)
with open("amatrix_edges.pkl", 'rb') as f:
A = pickle.load(f)
indices = {c: i for i, c in enumerate(list(A.columns))}
invertedIndices = {i: c for i, c in enumerate(list(A.columns))}
g = dgl.DGLGraph(np.eye(A.values.shape[0]) + A.values)
#g = dgl.DGLGraph(A.values)
N = g.number_of_nodes()
embedding_n = 32
g.ndata['entered'] = torch.zeros((g.number_of_nodes(), 1)).cuda().to(DEVICE)
class PredictParkingModule(nn.Module):
def __init__(self, in_feats, embedding_n):
super(PredictParkingModule, self).__init__()
self.embed = nn.Embedding(in_feats, embedding_n)
self.L2 = nn.Linear(embedding_n + 1, 1)
self.A3 = F.relu
def forward(self, node):
def test_edge_softmax():
# Basic
g = dgl.DGLGraph(nx.path_graph(3))
edata = F.ones((g.number_of_edges(), 1))
a = nn.edge_softmax(g, edata)
assert len(g.ndata) == 0
assert len(g.edata) == 0
assert F.allclose(a, uniform_attention(g, a.shape))
# Test higher dimension case
edata = F.ones((g.number_of_edges(), 3, 1))
a = nn.edge_softmax(g, edata)
assert len(g.ndata) == 0
assert len(g.edata) == 0
assert F.allclose(a, uniform_attention(g, a.shape))
# Test both forward and backward with PyTorch built-in softmax.
g = dgl.DGLGraph()
g.add_nodes(30)
# build a complete graph
for i in range(30):
for j in range(30):
g.add_edge(i, j)
score = F.randn((900, 1))
score.requires_grad_()
grad = F.randn((900, 1))
y = F.softmax(score.view(30, 30), dim=0).view(-1, 1)
y.backward(grad)
grad_score = score.grad
score.grad.zero_()
y_dgl = nn.edge_softmax(g, score)
assert len(g.ndata) == 0
assert len(g.edata) == 0
# check forward
assert F.allclose(y_dgl, y)
y_dgl.backward(grad)
# checkout gradient
assert F.allclose(score.grad, grad_score)
print(score.grad[:10], grad_score[:10])
# Test 2
def generate_rand_graph(n, m=None, ctor=dgl.DGLGraph):
if m is None:
m = n
arr = (sp.sparse.random(m, n, density=0.1, format='coo') != 0).astype(np.int64)
return ctor(arr, readonly=True)
for g in [generate_rand_graph(50),
generate_rand_graph(50, ctor=dgl.graph),
generate_rand_graph(100, 50, ctor=dgl.bipartite)]:
a1 = F.randn((g.number_of_edges(), 1)).requires_grad_()
a2 = a1.clone().detach().requires_grad_()
g.edata['s'] = a1
g.group_apply_edges('dst', lambda edges: {'ss':F.softmax(edges.data['s'], 1)})
g.edata['ss'].sum().backward()
builtin_sm = nn.edge_softmax(g, a2)
builtin_sm.sum().backward()
print(a1.grad - a2.grad)
assert len(g.srcdata) == 0
assert len(g.dstdata) == 0
assert len(g.edata) == 2
assert F.allclose(a1.grad, a2.grad, rtol=1e-4, atol=1e-4) # Follow tolerance in unittest backend
def test_nx_conversion():
# check conversion between networkx and DGLGraph
def _check_nx_feature(nxg, nf, ef):
# check node and edge feature of nxg
# this is used to check to_networkx
num_nodes = len(nxg)
num_edges = nxg.size()
if num_nodes > 0:
node_feat = ddict(list)
for nid, attr in nxg.nodes(data=True):
assert len(attr) == len(nf)
for k in nxg.nodes[nid]:
node_feat[k].append(F.unsqueeze(attr[k], 0))
for k in node_feat:
feat = F.cat(node_feat[k], 0)
assert F.allclose(feat, nf[k])
else:
assert len(nf) == 0
if num_edges > 0:
edge_feat = ddict(lambda: [0] * num_edges)
for u, v, attr in nxg.edges(data=True):
assert len(attr) == len(ef) + 1 # extra id
eid = attr['id']
for k in ef:
edge_feat[k][eid] = F.unsqueeze(attr[k], 0)
for k in edge_feat:
feat = F.cat(edge_feat[k], 0)
assert F.allclose(feat, ef[k])
else:
assert len(ef) == 0
n1 = F.randn((5, 3))
n2 = F.randn((5, 10))
n3 = F.randn((5, 4))
e1 = F.randn((4, 5))
e2 = F.randn((4, 7))
g = DGLGraph(multigraph=True)
g.add_nodes(5)
g.add_edges([0, 1, 3, 4], [2, 4, 0, 3])
g.ndata.update({'n1': n1, 'n2': n2, 'n3': n3})
g.edata.update({'e1': e1, 'e2': e2})
# convert to networkx
nxg = g.to_networkx(node_attrs=['n1', 'n3'], edge_attrs=['e1', 'e2'])
assert len(nxg) == 5
assert nxg.size() == 4
_check_nx_feature(nxg, {'n1': n1, 'n3': n3}, {'e1': e1, 'e2': e2})
# convert to DGLGraph, nx graph has id in edge feature
# use id feature to test non-tensor copy
g.from_networkx(nxg, node_attrs=['n1'], edge_attrs=['e1', 'id'])
# check graph size
assert g.number_of_nodes() == 5
assert g.number_of_edges() == 4
# check number of features
# test with existing dglgraph (so existing features should be cleared)
assert len(g.ndata) == 1
assert len(g.edata) == 2
# check feature values
assert F.allclose(g.ndata['n1'], n1)
# with id in nx edge feature, e1 should follow original order
assert F.allclose(g.edata['e1'], e1)
assert F.array_equal(g.get_e_repr()['id'],
F.copy_to(F.arange(0, 4), F.cpu()))
# test conversion after modifying DGLGraph
g.pop_e_repr(
'id') # pop id so we don't need to provide id when adding edges
new_n = F.randn((2, 3))
new_e = F.randn((3, 5))
g.add_nodes(2, data={'n1': new_n})
# add three edges, one is a multi-edge
g.add_edges([3, 6, 0], [4, 5, 2], data={'e1': new_e})
n1 = F.cat((n1, new_n), 0)
e1 = F.cat((e1, new_e), 0)
# convert to networkx again
nxg = g.to_networkx(node_attrs=['n1'], edge_attrs=['e1'])
assert len(nxg) == 7
assert nxg.size() == 7
_check_nx_feature(nxg, {'n1': n1}, {'e1': e1})
# now test convert from networkx without id in edge feature
# first pop id in edge feature
for _, _, attr in nxg.edges(data=True):
attr.pop('id')
# test with a new graph
g = DGLGraph(multigraph=True)
g.from_networkx(nxg, node_attrs=['n1'], edge_attrs=['e1'])
# check graph size
assert g.number_of_nodes() == 7
assert g.number_of_edges() == 7
# check number of features
assert len(g.ndata) == 1
assert len(g.edata) == 1
# check feature values
assert F.allclose(g.ndata['n1'], n1)
# edge feature order follows nxg.edges()
edge_feat = []
for _, _, attr in nxg.edges(data=True):
edge_feat.append(F.unsqueeze(attr['e1'], 0))
edge_feat = F.cat(edge_feat, 0)
assert F.allclose(g.edata['e1'], edge_feat)
# Test converting from a networkx graph whose nodes are
# not labeled with consecutive-integers.
nxg = nx.cycle_graph(5)
nxg.remove_nodes_from([0, 4])
for u in nxg.nodes():
nxg.node[u]['h'] = F.tensor([u])
for u, v, d in nxg.edges(data=True):
d['h'] = F.tensor([u, v])
g = dgl.DGLGraph()
g.from_networkx(nxg, node_attrs=['h'], edge_attrs=['h'])
assert g.number_of_nodes() == 3
assert g.number_of_edges() == 4
assert g.has_edge_between(0, 1)
assert g.has_edge_between(1, 2)
assert F.allclose(g.ndata['h'], F.tensor([[1.], [2.], [3.]]))
assert F.allclose(g.edata['h'],
F.tensor([[1., 2.], [1., 2.], [2., 3.], [2., 3.]]))
read_out = dgl.mean_nodes(g, 'features')
# output = F.softmax(self.fc(read_out))
output = self.fc(read_out)
return output
# graph中src和dst节点(人体关键点指向关系)
src = np.array([
17, 15, 18, 16, 0, 2, 3, 4, 5, 6, 7, 8, 9, 12, 10, 13, 11, 14, 23, 22, 24,
20, 19, 21
])
dst = np.array([
15, 0, 16, 0, 1, 1, 2, 3, 1, 5, 6, 1, 8, 8, 9, 12, 10, 13, 22, 11, 11, 19,
14, 14
])
graph = dgl.DGLGraph((src, dst)) # 建立graph
graph = dgl.add_self_loop(graph)
model = GCN(3, 20, 2)
# 只训练一张图，检查模型能否正常运行
inputs = [body_graph_sit[0][0], body_graph_stand[1][0]]
label = [body_graph_sit[0][1], body_graph_stand[1][1]]
optimizer = torch.optim.Adam(model.parameters(), lr=0.0005)
for epoch in range(50):
for i in range(2):
output = model(graph, inputs[i].ndata['coordinate'].float())
pred = torch.argmax(output, axis=1)
loss = nn.BCEWithLogitsLoss()
loss = loss(output, label[i])
import networkx as nx
import matplotlib.pyplot as plt
import torch
import dgl
N = 100 # number of nodes
DAMP = 0.85 # damping factor阻尼因子
K = 10 # number of iterations
g = nx.nx.erdos_renyi_graph(N, 0.1) # 图随机生成器，生成nx图
g = dgl.DGLGraph(g) # 转换成DGL图
# nx.draw(g.to_networkx(), node_size=50, node_color=[[.5, .5, .5, ]]) # 使用nx绘制，设置节点大小及灰度值
# plt.show()
g.ndata['pv'] = torch.ones(N) / N #初始化PageRank值 batch processing
g.ndata['deg'] = g.out_degrees(g.nodes()).float() #初始化节点特征
print(g.ndata)
#定义message函数，它将每个节点的PageRank值除以其out-degree，并将结果作为消息传递给它的邻居：
def pagerank_message_func(edges):
pv = edges.src['pv']
deg = edges.src['deg']
return {'pv': pv / deg}
#定义reduce函数，它从mailbox中删除并聚合message，并计算其新的PageRank值：
def pagerank_reduce_func(nodes):
mail_box = nodes.mailbox['pv']
msgs = torch.sum(mail_box, dim=1)
pv = (1 - DAMP) / N + DAMP * msgs
return {'pv': pv}
def load(self):
print('loading data')
# Edge features
# adjs = []
edge_attr_name = []
g = nx.readwrite.edgelist.read_edgelist(
self.edges_dir,
delimiter=',',
data=[
# (x
('GO_ID', float),
('Gene_Family_Name', float),
('chebi', float),
('chemogenomics', float),
('cid', float),
('drug', float),
('expression', float),
('gene', float),
('hprd', float),
('protein', float),
('substructure', float),
('tissue', float)
],
comments='#',
create_using=nx.DiGraph)
v_map = pd.read_csv(self.vertex_map_path,
delimiter=',',
header=None,
dtype={
'node': str,
'id': int
})
v_map[1] = v_map[1].astype(int)
mapping = pd.Series(v_map[1].values, index=v_map[0]).to_dict()
g = nx.relabel.relabel_nodes(g, mapping)
print('number of connected components: ',
nx.algorithms.components.number_weakly_connected_components(g))
# Node Features
if self.node_features_path is None:
print('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!')
print('!!! No node features is given, use dummy featuers!!!')
print('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!')
features = np.ones((g.number_of_nodes(), 10))
else:
features = pd.read_csv(self.node_features_path,
delimiter=',').values
# Ground Truth label
labels = pd.read_csv(self.label_path, delimiter=',')
# convert label to one-hot format
one_hot_labels = pd.get_dummies(
data=labels, dummy_na=True,
columns=['label']).set_index('id') # N X (#edge attr) # one hot
# print(labels.columns)
one_hot_labels = one_hot_labels.drop(['label_nan'], axis=1)
size = features.shape[0]
train_id = set()
test_id = set()
train_mask = np.zeros((size, )).astype(bool)
val_mask = np.zeros((size, )).astype(bool)
test_mask = np.zeros((size, )).astype(bool)
train_ratio = 0.8
np.random.seed(1)
for column in one_hot_labels.columns:
set_of_key = set(
one_hot_labels[(one_hot_labels[column] == 1)].index)
train_key_set = set(
np.random.choice(list(set_of_key),
size=int(len(set_of_key) * train_ratio),
replace=False))
test_key_set = set_of_key - train_key_set
train_id = train_id.union(train_key_set)
test_id = test_id.union(test_key_set)
train_mask[list(train_id)] = 1
val_mask[list(test_id)] = 1
test_mask[list(test_id)] = 1
# one_hot_labels = one_hot_labels.values[:,:-1] # convert to numpy format and remove the nan column
y = np.zeros(size)
y[one_hot_labels.index] = np.argmax(one_hot_labels.values, 1)
y_train = np.zeros((size, one_hot_labels.shape[1])) # one hot format
y_val = np.zeros((size, one_hot_labels.shape[1]))
y_test = np.zeros((size, one_hot_labels.shape[1]))
y_train[train_mask, :] = one_hot_labels.loc[sorted(train_id)]
y_val[val_mask, :] = one_hot_labels.loc[sorted(test_id)]
y_test[test_mask, :] = one_hot_labels.loc[sorted(test_id)]
# print('adjs length: ', len(adjs))
print('features shape: ', features.shape)
print('y_train shape: ', y_train.shape)
print('y_val shape: ', y_val.shape)
print('y_test shape: ', y_test.shape)
print('train_mask shape: ', train_mask.shape)
print('val_mask shape: ', val_mask.shape)
print('test_mask shape: ', test_mask.shape)
# self.adj = adjs[0]
self.graph = dgl.DGLGraph()
self.graph.from_networkx(nx_graph=g,
edge_attrs=[
'GO_ID', 'Gene_Family_Name', 'chebi',
'chemogenomics', 'cid', 'drug',
'expression', 'gene', 'hprd', 'protein',
'substructure', 'tissue'
])
self.num_edge_feats = len(self.graph.edge_attr_schemes())
# standardize edge attrs
for attr in self.graph.edge_attr_schemes().keys():
self.graph.edata[attr] = (self.graph.edata[attr] - torch.mean(
self.graph.edata[attr])) / torch.var(self.graph.edata[attr])
# concatenate edge attrs
self.graph.edata['e'] = torch.cat([
self.graph.edata[attr][:, None]
for attr in self.graph.edge_attr_schemes().keys()
],
dim=1)
print(self.graph.edge_attr_schemes())
# self.graph.from_scipy_sparse_matrix(spmat=self.adj)
self.labels = y
self.num_labels = one_hot_labels.shape[1]
# self.edge_attr_adjs = adjs[1:]
self.features = features
self.y_train = y_train
self.y_val = y_val
self.y_test = y_test
self.train_mask = train_mask.astype(int)
self.val_mask = val_mask.astype(int)
self.test_mask = test_mask.astype(int)
self.edge_attr_name = edge_attr_name
def process_game_state_to_dgl(game_state: GameState,
use_absolute_pos=False,
edge_ally_to_enemy=False):
# TODO 1 : Find a better way for managing input features and related constants!
units = game_state.units
ally_units = units.owned
enemy_units = units.enemy
num_allies = len(ally_units)
num_enemies = len(enemy_units)
exist_allies = False
node_types = []
g = dgl.DGLGraph(multigraph=True)
g.set_e_initializer(dgl.init.zero_initializer)
# using curie_initializer for node features matters a lot !
# working as a mask for computing action probs later.
g.set_n_initializer(curie_initializer)
node_features = []
allies_health = 0
allies_health_percentage = 0
allies_mineral_cost = 0
allies_vespene_cost = 0
allies_food_cost = 0
ally_indices = []
tags = [unit.tag for unit in ally_units + enemy_units]
tags_tensor = torch.LongTensor(tags)
tag2unit_dict = dict()
if num_allies >= 1:
exist_allies = True
allies_center_pos = ally_units.center
allies_unit_dict = dict()
allies_index_dict = dict()
for i, allies_unit in enumerate(ally_units):
tag2unit_dict[allies_unit.tag] = allies_unit
ally_indices.append(i)
node_feature = list()
one_hot_type_id = get_one_hot_unit_type(allies_unit.type_id.value)
node_feature.extend(one_hot_type_id)
node_feature.extend(list(allies_center_pos - allies_unit.position))
if use_absolute_pos:
node_feature.extend(list(allies_unit.position))
node_feature.append(allies_unit.health_max)
node_feature.append(allies_unit.health_percentage)
node_feature.append(allies_unit.weapon_cooldown)
node_feature.append(allies_unit.ground_dps)
one_hot_node_type = get_one_hot_node_type(NODE_ALLY)
node_feature.extend(one_hot_node_type)
node_features.append(node_feature)
allies_unit_dict[allies_unit] = i
allies_index_dict[i] = allies_unit
node_types.append(NODE_ALLY)
allies_health += allies_unit.health
allies_health_percentage += allies_unit.health_percentage
allies_mineral_cost += type2cost[allies_unit.name][0]
allies_vespene_cost += type2cost[allies_unit.name][1]
allies_food_cost += type2cost[allies_unit.name][2]
enemies_health = 0
enemies_health_percentage = 0
enemies_mineral_cost = 0
enemies_vespene_cost = 0
enemies_food_cost = 0
enemies_indices = []
if num_enemies >= 1:
enemy_center_pos = enemy_units.center
enemy_unit_dict = dict()
enemy_index_dict = dict()
for j, enemy_unit in enumerate(enemy_units):
tag2unit_dict[enemy_unit.tag] = enemy_unit
enemies_indices.append(num_allies + j)
node_feature = list()
one_hot_type_id = get_one_hot_unit_type(enemy_unit.type_id.value)
node_feature.extend(one_hot_type_id)
node_feature.extend(list(enemy_center_pos - enemy_unit.position))
if use_absolute_pos:
node_feature.extend(list(enemy_unit.position))
node_feature.append(enemy_unit.health_max)
node_feature.append(enemy_unit.health_percentage)
node_feature.append(enemy_unit.weapon_cooldown)
node_feature.append(enemy_unit.ground_dps)
one_hot_node_type = get_one_hot_node_type(NODE_ENEMY)
node_feature.extend(one_hot_node_type)
node_features.append(node_feature)
enemy_unit_dict[enemy_unit] = j + num_allies
enemy_index_dict[j + num_allies] = enemy_unit
node_types.append(NODE_ENEMY)
enemies_health += enemy_unit.health
enemies_health_percentage += enemy_unit.health_percentage
enemies_mineral_cost += type2cost[enemy_unit.name][0]
enemies_vespene_cost += type2cost[enemy_unit.name][1]
enemies_food_cost += type2cost[enemy_unit.name][2]
if num_allies + num_enemies >= 1:
node_features = np.stack(
node_features) # [Num total units x Num features]
node_features = torch.Tensor(node_features)
node_types = torch.Tensor(node_types).reshape(-1)
unit_indices = torch.Tensor(ally_indices +
enemies_indices).reshape(-1).int()
num_nodes = node_features.size(0)
if exist_allies:
# Add Node features: allies + enemies
g.add_nodes(
num_nodes, {
'node_feature': node_features,
'node_type': node_types,
'tag': tags_tensor,
'node_index': unit_indices,
'init_node_feature': node_features
})
if num_allies >= 2:
# Add allies edges
allies_edge_indices = cartesian_product(ally_indices,
ally_indices,
return_1d=True)
# To support hyper network encoder, we keep two edge_types
allies_edge_type = torch.Tensor(data=(EDGE_ALLY, ))
allies_edge_type_one_hot = torch.Tensor(
data=get_one_hot_edge_type(EDGE_ALLY))
num_allies_edges = len(allies_edge_indices[0])
g.add_edges(
allies_edge_indices[0], allies_edge_indices[1], {
'edge_type_one_hot':
allies_edge_type_one_hot.repeat(num_allies_edges, 1),
'edge_type':
allies_edge_type.repeat(num_allies_edges)
})
if num_allies >= 1 and num_enemies >= 1:
# Constructing bipartite graph for computing primitive attack on attack
bipartite_edges = cartesian_product(enemies_indices,
ally_indices,
return_1d=True)
# the edges from enemies to the allies
# To support hyper network encoder, we keep two edge_types
inter_army_edge_type = torch.Tensor(data=(EDGE_ENEMY, ))
inter_army_edge_type_one_hot = torch.Tensor(
data=get_one_hot_edge_type(EDGE_ENEMY))
num_inter_army_edges = len(bipartite_edges[0])
g.add_edges(
bipartite_edges[0], bipartite_edges[1], {
'edge_type_one_hot':
inter_army_edge_type_one_hot.repeat(
num_inter_army_edges, 1),
'edge_type':
inter_army_edge_type.repeat(num_inter_army_edges)
})
if edge_ally_to_enemy:
# the edges from allies to the enemies
inter_army_edge_type = torch.Tensor(
data=(EDGE_ALLY_TO_ENEMY, ))
inter_army_edge_type_one_hot = torch.Tensor(
data=get_one_hot_edge_type(EDGE_ALLY_TO_ENEMY))
num_inter_army_edges = len(bipartite_edges[0])
g.add_edges(
bipartite_edges[1], bipartite_edges[0], {
'edge_type_one_hot':
inter_army_edge_type_one_hot.repeat(
num_inter_army_edges, 1),
'edge_type':
inter_army_edge_type.repeat(num_inter_army_edges)
})
for ally_unit in ally_units:
# get all in-attack-range units. include allies units
in_range_units = enemy_units.in_attack_range_of(ally_unit)
if in_range_units: # when in-attack-range units exist
allies_index = allies_unit_dict[ally_unit]
for in_range_unit in in_range_units:
enemy_index = enemy_unit_dict[in_range_unit]
# Expected bottleneck (2) -> Doubled assignment of edges
edge_in_attack_range = torch.Tensor(
data=(EDGE_IN_ATTACK_RANGE, ))
edge_in_attack_range_one_hot = torch.Tensor(
data=get_one_hot_edge_type(EDGE_IN_ATTACK_RANGE))
edge_in_attack_range = edge_in_attack_range.reshape(-1)
# dist = np.linalg.norm(ally_unit.position - in_range_unit.position)
# dist = torch.Tensor(data=(dist,))
# dist = dist.reshape(1, -1)
# damage = edge_total_damage(ally_unit, in_range_unit)
# damage = torch.Tensor(data=(damage,)).reshape(1, -1)
g.add_edge(enemy_index, allies_index,
{'edge_type': edge_in_attack_range})
else:
pass
ret_dict = dict()
ret_dict['g'] = g
# For interfacing nn action args with sc2 action commends.
ret_dict['tag2unit_dict'] = tag2unit_dict
ret_dict['units'] = units
_gf = [
allies_mineral_cost, allies_vespene_cost, allies_food_cost,
enemies_mineral_cost, enemies_vespene_cost, enemies_food_cost
]
global_feature = torch.Tensor(data=_gf).view(1, -1)
ret_dict['global_feature'] = global_feature
return ret_dict
def test_simple_pool():
ctx = F.ctx()
g = dgl.DGLGraph(nx.path_graph(15))
g = g.to(F.ctx())
sum_pool = nn.SumPooling()
avg_pool = nn.AvgPooling()
max_pool = nn.MaxPooling()
sort_pool = nn.SortPooling(10) # k = 10
print(sum_pool, avg_pool, max_pool, sort_pool)
# test#1: basic
h0 = F.randn((g.number_of_nodes(), 5))
sum_pool = sum_pool.to(ctx)
avg_pool = avg_pool.to(ctx)
max_pool = max_pool.to(ctx)
sort_pool = sort_pool.to(ctx)
h1 = sum_pool(g, h0)
assert F.allclose(F.squeeze(h1, 0), F.sum(h0, 0))
h1 = avg_pool(g, h0)
assert F.allclose(F.squeeze(h1, 0), F.mean(h0, 0))
h1 = max_pool(g, h0)
assert F.allclose(F.squeeze(h1, 0), F.max(h0, 0))
h1 = sort_pool(g, h0)
assert h1.shape[0] == 1 and h1.shape[1] == 10 * 5 and h1.dim() == 2
# test#2: batched graph
g_ = dgl.DGLGraph(nx.path_graph(5)).to(F.ctx())
bg = dgl.batch([g, g_, g, g_, g])
h0 = F.randn((bg.number_of_nodes(), 5))
h1 = sum_pool(bg, h0)
truth = th.stack([
F.sum(h0[:15], 0),
F.sum(h0[15:20], 0),
F.sum(h0[20:35], 0),
F.sum(h0[35:40], 0),
F.sum(h0[40:55], 0)
], 0)
assert F.allclose(h1, truth)
h1 = avg_pool(bg, h0)
truth = th.stack([
F.mean(h0[:15], 0),
F.mean(h0[15:20], 0),
F.mean(h0[20:35], 0),
F.mean(h0[35:40], 0),
F.mean(h0[40:55], 0)
], 0)
assert F.allclose(h1, truth)
h1 = max_pool(bg, h0)
truth = th.stack([
F.max(h0[:15], 0),
F.max(h0[15:20], 0),
F.max(h0[20:35], 0),
F.max(h0[35:40], 0),
F.max(h0[40:55], 0)
], 0)
assert F.allclose(h1, truth)
h1 = sort_pool(bg, h0)
assert h1.shape[0] == 5 and h1.shape[1] == 10 * 5 and h1.dim() == 2
def to_graph(self, threshold=None, format='edge_list', split=True,
frac=[0.7, 0.1, 0.2], seed=42, order='descending'):
"""Add a method description here.
Parameters
----------
threshold :
Add a variable description here.
format :
Add a variable description here.
split :
Add a variable description here.
frac : list, optional (default=frac=[0.7, 0.1, 0.2])
Train/val/test split fractions.
seed : int
Add a variable description here.
order :
Add a variable description here.
Returns
-------
"""
'''
Arguments:
format: edge_list / dgl / pyg df object
'''
df = self.get_data(format='df')
if len(np.unique(self.raw_y)) > 2:
print("The dataset label consists of affinity scores. "
"Binarization using threshold " +
str(threshold) +
" is conducted to construct the positive edges in the network. "
"Adjust the threshold by to_graph(threshold = X)",
flush=True, file=sys.stderr)
if threshold is None:
raise AttributeError(
"Please specify the threshold to binarize the data by "
"'to_graph(threshold = N)'!")
df['label_binary'] = label_transform(self.raw_y, True, threshold,
False, verbose=False,
order=order)
else:
# already binary
df['label_binary'] = df['Y']
df[self.entity1_name + '_ID'] = df[self.entity1_name + '_ID'].astype(str)
df[self.entity2_name + '_ID'] = df[self.entity2_name + '_ID'].astype(str)
df_pos = df[df.label_binary == 1]
df_neg = df[df.label_binary == 0]
return_dict = {}
pos_edges = df_pos[
[self.entity1_name + '_ID', self.entity2_name + '_ID']].values
neg_edges = df_neg[
[self.entity1_name + '_ID', self.entity2_name + '_ID']].values
edges = df[
[self.entity1_name + '_ID', self.entity2_name + '_ID']].values
if format == 'edge_list':
return_dict['edge_list'] = pos_edges
return_dict['neg_edges'] = neg_edges
elif format == 'dgl':
try:
import dgl
except:
install("dgl")
import dgl
unique_entities = np.unique(pos_edges.T.flatten()).tolist()
index = list(range(len(unique_entities)))
dict_ = dict(zip(unique_entities, index))
edge_list1 = np.array([dict_[i] for i in pos_edges.T[0]])
edge_list2 = np.array([dict_[i] for i in pos_edges.T[1]])
return_dict['dgl_graph'] = dgl.DGLGraph((edge_list1, edge_list2))
return_dict['index_to_entities'] = dict_
elif format == 'pyg':
try:
import torch
from torch_geometric.data import Data
except:
raise ImportError(
"Please see https://pytorch-geometric.readthedocs.io/en/latest/notes/installation.html to install pytorch geometric!")
unique_entities = np.unique(pos_edges.T.flatten()).tolist()
index = list(range(len(unique_entities)))
dict_ = dict(zip(unique_entities, index))
edge_list1 = np.array([dict_[i] for i in pos_edges.T[0]])
edge_list2 = np.array([dict_[i] for i in pos_edges.T[1]])
edge_index = torch.tensor([edge_list1, edge_list2],
dtype=torch.long)
x = torch.tensor(np.array(index), dtype=torch.float)
data = Data(x=x, edge_index=edge_index)
return_dict['pyg_graph'] = data
return_dict['index_to_entities'] = dict_
elif format == 'df':
return_dict['df'] = df
if split:
return_dict['split'] = create_fold(df, seed, frac)
return return_dict
def prep(self, obs, hiddens, hiddens_u, with_acts=False, add_acts=None):
graph_list = []
num_agents = [num_agent[0] for num_agent in obs["num_player"]]
prev_num_agents = [(a != -1).sum() for a in obs["player_filter"]]
unc_complete_filter = [
ob[:n_p_agent]
for ob, n_p_agent in zip(obs["player_filter"], prev_num_agents)
]
complete_filter = np.concatenate(unc_complete_filter, axis=-1)
# Create graphs inputted to GNN.
for num_agent in num_agents:
num_agent = int(num_agent)
graph_ob = dgl.DGLGraph()
graph_ob.add_nodes(num_agent)
edge_pairs = [(a, b) for a in range(num_agent)
for b in range(num_agent) if a != b]
if not len(edge_pairs) == 0:
src, dst = zip(*edge_pairs)
graph_ob.add_edges(src, dst)
graph_list.append(graph_ob)
graph_batch = dgl.batch(graph_list)
# Parse inputs into node inputs.
num_nodes = graph_batch.batch_num_nodes
n_ob = torch.cat([
torch.Tensor([obs['player_info'][id][3 * idx:3 * idx + 3]
]).float() for id, num_node in enumerate(num_nodes)
for idx in range(num_node)
],
dim=0)
u_ob = torch.Tensor(obs["food_info"])
# Create filters to decide which hidden vectors to maintain.
# For newly added agents, hiddens set to zeros.
# For remaining agents, hiddens continues from prev timestep.
node_filter_np = np.where(complete_filter == 1)[0]
node_filter = torch.Tensor(node_filter_np).long()
current_node_offsets, offset = [0], 0
for cur_num_node in num_nodes[:-1]:
offset += cur_num_node
current_node_offsets.append(offset)
new_indices = []
filter_idxes = [
np.arange((filter == 1).sum()) for filter in unc_complete_filter
]
for offset, filter in zip(current_node_offsets, filter_idxes):
new_indices.append(torch.Tensor(offset + filter).long())
complete_new_filter = torch.cat(new_indices, dim=-1)
# Create action vectors for opponent modelling.
if with_acts:
acts = []
for first_act, last_act, prev_node in zip(add_acts,
obs["prev_actions"],
prev_num_agents):
acts.append(first_act)
acts.extend(last_act[:prev_node - 1])
# Filter hidden vectors for remaining agents.
# Add zero vectors for newly added agents.
n_hid = (torch.zeros([
1, graph_batch.number_of_nodes(), self.dim_lstm_out
]), torch.zeros([1,
graph_batch.number_of_nodes(), self.dim_lstm_out]))
#checks to not make it empty.
if not (hiddens is None):
collected_hiddens = (hiddens[0][:, node_filter, :],
hiddens[1][:, node_filter, :])
n_hid[0][:, complete_new_filter, :] = collected_hiddens[0]
n_hid[1][:, complete_new_filter, :] = collected_hiddens[1]
n_hid_u = (torch.zeros([
1, graph_batch.number_of_nodes(), self.dim_lstm_out
]), torch.zeros([1,
graph_batch.number_of_nodes(), self.dim_lstm_out]))
if not (hiddens_u is None):
collected_hiddens = (hiddens_u[0][:, node_filter, :],
hiddens_u[1][:, node_filter, :])
n_hid_u[0][:, complete_new_filter, :] = collected_hiddens[0]
n_hid_u[1][:, complete_new_filter, :] = collected_hiddens[1]
if with_acts:
return graph_batch, n_ob, u_ob, n_hid, n_hid_u, acts
return graph_batch, n_ob, u_ob, n_hid, n_hid_u
def graphClassification(datasets_folder, EdgeLists_folder,
NodesEmbedding_folder, number_of_epochs,
embedding_size, num_classes, clustering_measure,
labels_file):
files_name = [
file for file in sorted(os.listdir(datasets_folder),
key=lambda s: s.lower())
]
print(len(files_name))
dict_nodes_embedding = get_node_embedding(NodesEmbedding_folder)
graphs = retrive_graphs(dict_nodes_embedding, EdgeLists_folder,
datasets_folder, labels_file)
loo = LeaveOneOut()
splits = loo.split(graphs)
embedding_dir = "Embeddings_" + clustering_measure
for train_index, test_index in splits:
# train_index = np.insert(train_index, 0,test_index[0])
train_set = itemgetter(*train_index)(graphs)
test_set = [itemgetter(*test_index)(graphs)]
data_loader = DataLoader(train_set,
batch_size=batch_size,
shuffle=False,
collate_fn=collate)
# Create model
for i in range(0, batch_size - 1):
c = dgl.DGLGraph()
c.add_nodes(1)
test_set.append((c, 0, torch.FloatTensor(torch.zeros(1, 64))))
model = Classifier(node_embedding_dim, embedding_size, num_classes)
loss_func = nn.CrossEntropyLoss()
optimizer = optim.Adam(model.parameters(), lr=0.006)
model.train()
epoch_losses = []
for epoch in range(number_of_epochs):
epoch_loss = 0
counter = 0
for iter, (bg, label, embedding) in enumerate(data_loader):
embedding_array = []
embedding_array = initiate_feat(embedding)
prediction, hg = model(bg, embedding_array)
if epoch == number_of_epochs - 1:
if not os.path.exists("Embeddings_" + clustering_measure):
os.mkdir(embedding_dir)
for hidden in hg.detach().numpy():
dataset_hidden_name = files_name[
train_index[counter]].split(".")[0]
hidden.tofile(embedding_dir + "/" +
dataset_hidden_name + ".csv",
sep=',')
counter = counter + 1
loss = loss_func(prediction, label)
optimizer.zero_grad()
loss.backward()
optimizer.step()
epoch_loss += loss.detach().item()
epoch_loss /= (iter + 1)
print('Epoch {}, loss {:.4f}'.format(epoch, epoch_loss))
epoch_losses.append(epoch_loss)
model.eval()
# Convert a list of tuples to two lists
test_X, test_Y, embedding_test = map(list, zip(*test_set))
test_bg = dgl.batch(test_X)
true_label = test_Y[0]
dataset_test_name = files_name[test_index[0]].split(".")[0]
print(dataset_test_name)
test_Y = torch.tensor(test_Y).float().view(-1, 1)
probs_Y, hidden_layer = model(test_bg, initiate_feat(embedding_test))
probs_Y = torch.softmax(probs_Y, 1)
sampled_Y = torch.multinomial(probs_Y, 1)
argmax_Y = torch.max(probs_Y, 1)[1].view(-1, 1)
print(
'Accuracy of sampled predictions on the test set: {:.4f}%'.format(
(test_Y == sampled_Y.float()).sum().item() / len(test_Y) *
100))
print('Accuracy of argmax predictions on the test set: {:4f}%'.format(
(test_Y == argmax_Y.float()).sum().item() / len(test_Y) * 100))
break
return embedding_dir + "/"
def test_edge_softmax():
# Basic
g = dgl.DGLGraph(nx.path_graph(3)).to(F.ctx())
edata = F.ones((g.number_of_edges(), 1))
a = nn.edge_softmax(g, edata)
assert len(g.ndata) == 0
assert len(g.edata) == 0
assert F.allclose(a, uniform_attention(g, a.shape))
# Test higher dimension case
edata = F.ones((g.number_of_edges(), 3, 1))
a = nn.edge_softmax(g, edata)
assert len(g.ndata) == 0
assert len(g.edata) == 0
assert F.allclose(a, uniform_attention(g, a.shape))
# Test both forward and backward with Tensorflow built-in softmax.
g = dgl.DGLGraph().to(F.ctx())
g.add_nodes(30)
# build a complete graph
for i in range(30):
for j in range(30):
g.add_edge(i, j)
score = F.randn((900, 1))
with tf.GradientTape() as tape:
tape.watch(score)
grad = F.randn((900, 1))
y = tf.reshape(F.softmax(tf.reshape(score, (30, 30)), dim=0), (-1, 1))
grads = tape.gradient(y, [score])
grad_score = grads[0]
with tf.GradientTape() as tape:
tape.watch(score)
y_dgl = nn.edge_softmax(g, score)
assert len(g.ndata) == 0
assert len(g.edata) == 0
# check forward
assert F.allclose(y_dgl, y)
grads = tape.gradient(y_dgl, [score])
# checkout gradient
assert F.allclose(grads[0], grad_score)
print(grads[0][:10], grad_score[:10])
# Test 2
def generate_rand_graph(n):
arr = (sp.sparse.random(n, n, density=0.1, format='coo') != 0).astype(
np.int64)
return dgl.DGLGraph(arr, readonly=True)
g = generate_rand_graph(50).to(F.ctx())
a1 = F.randn((g.number_of_edges(), 1))
a2 = tf.identity(a1)
with tf.GradientTape() as tape:
tape.watch(a1)
g.edata['s'] = a1
g.group_apply_edges(
'dst', lambda edges: {'ss': F.softmax(edges.data['s'], 1)})
loss = tf.reduce_sum(g.edata['ss'])
a1_grad = tape.gradient(loss, [a1])[0]
with tf.GradientTape() as tape:
tape.watch(a2)
builtin_sm = nn.edge_softmax(g, a2)
loss = tf.reduce_sum(builtin_sm)
a2_grad = tape.gradient(loss, [a2])[0]
print(a1_grad - a2_grad)
assert len(g.ndata) == 0
assert len(g.edata) == 2
assert F.allclose(a1_grad, a2_grad, rtol=1e-4,
atol=1e-4) # Follow tolerance in unittest backend
def plot_locations(graph, ax):
had_list = graph.hadron_list
node_list = graph.nodes
vertices = list(set([node.vertex_idx for node in node_list]))
if 0 not in vertices:
vertices.append(0)
if 1 not in vertices:
vertices.append(1)
n_vertices = len(vertices)
locations_g = dgl.DGLGraph()
locations_g.add_nodes(n_vertices)
loc_labels = {}
loc_spacing = 500
x_range = n_vertices * loc_spacing
loc_labels[0] = 'pileup/\nfakes'
loc_labels[1] = 'primary'
G = locations_g.to_networkx()
pos = {}
for pos_i in range(n_vertices):
pos[pos_i] = (loc_spacing * pos_i, 0)
if pos_i < 2:
continue
for node in node_list:
if node.vertex_idx == pos_i:
loc_labels[pos_i] = '{0:.2f}'.format(
np.linalg.norm(node.origin))
break
nx.draw_networkx_nodes(G,
pos,
node_color='mediumaquamarine',
node_size=1800,
ax=ax)
nx.draw_networkx_edges(G, pos, ax=ax)
nx.draw_networkx_labels(G, pos, loc_labels, ax=ax)
#fake/pileup vertex
center_point = pos[0]
sub_g = dgl.DGLGraph()
sub_g.add_nodes(1)
sub_g_pos = {0: center_point}
n_children = 0
r_x = loc_spacing / 3.5
r_y = 30
for node in node_list:
if node.vertex_idx == 0:
n_children += 1
sub_g.add_nodes(1)
sub_g.add_edge(0, n_children)
child_idx = 0
n_tracks = 0
for node in node_list:
if node.vertex_idx == 0:
child_idx += 1
sub_g_pos[child_idx] = (
center_point[0] + r_x * np.cos(
((child_idx - 1) / float(n_children)) * 2 * np.pi),
center_point[1] + r_y * np.sin(
((child_idx - 1) / float(n_children)) * 2 * np.pi))
G = sub_g.to_networkx()
nx.draw_networkx_nodes(G,
sub_g_pos,
node_color='skyblue',
node_size=800,
ax=ax,
nodelist=range(1, n_children + 1))
nx.draw_networkx_edges(G, sub_g_pos, ax=ax)
for vtx_i in range(1, n_vertices):
center_point = pos[vtx_i]
sub_g = dgl.DGLGraph()
sub_g.add_nodes(1)
sub_g_labels = {}
sub_g_pos = {0: center_point}
n_children = 0
for node in node_list:
if node.vertex_idx == vtx_i:
n_children += 1
sub_g.add_nodes(1)
sub_g.add_edge(0, n_children)
if node.pdgid in pdg_id_dict:
sub_g_labels[n_children] = pdg_id_dict[node.pdgid]
else:
sub_g_labels[n_children] = str(node.pdgid)
r_x = loc_spacing / 3.5
r_y = 30
child_idx = 0
n_tracks = 0
for node in node_list:
if node.vertex_idx == vtx_i:
child_idx += 1
sub_g_pos[child_idx] = (
center_point[0] + r_x * np.cos(
((child_idx - 1) / float(n_children)) * 2 * np.pi),
center_point[1] + r_y * np.sin(
((child_idx - 1) / float(n_children)) * 2 * np.pi))
if node.reconstructed:
sub_g.add_nodes(1)
n_tracks += 1
sub_g.add_edge(child_idx, n_children + n_tracks)
sub_g_pos[n_children + n_tracks] = (
center_point[0] + 1.5 * r_x * np.cos(
((child_idx - 1) / float(n_children)) * 2 * np.pi),
center_point[1] + 1.5 * r_y * np.sin(
((child_idx - 1) / float(n_children)) * 2 * np.pi))
G = sub_g.to_networkx()
nx.draw_networkx_nodes(G,
sub_g_pos,
node_color='darksalmon',
node_size=800,
ax=ax,
nodelist=range(1, n_children + 1))
nx.draw_networkx_nodes(G,
sub_g_pos,
node_color='skyblue',
node_size=300,
ax=ax,
nodelist=range(n_children + 1,
n_children + n_tracks + 1))
nx.draw_networkx_edges(G, sub_g_pos, ax=ax)
nx.draw_networkx_labels(G,
sub_g_pos,
sub_g_labels,
ax=ax,
nodelist=range(1, n_children + 1))
def test_rgcn():
etype = []
g = dgl.DGLGraph(sp.sparse.random(100, 100, density=0.1),
readonly=True).to(F.ctx())
# 5 etypes
R = 5
for i in range(g.number_of_edges()):
etype.append(i % 5)
B = 2
I = 10
O = 8
rgc_basis = nn.RelGraphConv(I, O, R, "basis", B)
rgc_basis_low = nn.RelGraphConv(I, O, R, "basis", B, low_mem=True)
rgc_basis_low.weight = rgc_basis.weight
rgc_basis_low.w_comp = rgc_basis.w_comp
h = tf.random.normal((100, I))
r = tf.constant(etype)
h_new = rgc_basis(g, h, r)
h_new_low = rgc_basis_low(g, h, r)
assert list(h_new.shape) == [100, O]
assert list(h_new_low.shape) == [100, O]
assert F.allclose(h_new, h_new_low)
rgc_bdd = nn.RelGraphConv(I, O, R, "bdd", B)
rgc_bdd_low = nn.RelGraphConv(I, O, R, "bdd", B, low_mem=True)
rgc_bdd_low.weight = rgc_bdd.weight
h = tf.random.normal((100, I))
r = tf.constant(etype)
h_new = rgc_bdd(g, h, r)
h_new_low = rgc_bdd_low(g, h, r)
assert list(h_new.shape) == [100, O]
assert list(h_new_low.shape) == [100, O]
assert F.allclose(h_new, h_new_low)
# with norm
norm = tf.zeros((g.number_of_edges(), 1))
rgc_basis = nn.RelGraphConv(I, O, R, "basis", B)
rgc_basis_low = nn.RelGraphConv(I, O, R, "basis", B, low_mem=True)
rgc_basis_low.weight = rgc_basis.weight
rgc_basis_low.w_comp = rgc_basis.w_comp
h = tf.random.normal((100, I))
r = tf.constant(etype)
h_new = rgc_basis(g, h, r, norm)
h_new_low = rgc_basis_low(g, h, r, norm)
assert list(h_new.shape) == [100, O]
assert list(h_new_low.shape) == [100, O]
assert F.allclose(h_new, h_new_low)
rgc_bdd = nn.RelGraphConv(I, O, R, "bdd", B)
rgc_bdd_low = nn.RelGraphConv(I, O, R, "bdd", B, low_mem=True)
rgc_bdd_low.weight = rgc_bdd.weight
h = tf.random.normal((100, I))
r = tf.constant(etype)
h_new = rgc_bdd(g, h, r, norm)
h_new_low = rgc_bdd_low(g, h, r, norm)
assert list(h_new.shape) == [100, O]
assert list(h_new_low.shape) == [100, O]
assert F.allclose(h_new, h_new_low)
# id input
rgc_basis = nn.RelGraphConv(I, O, R, "basis", B)
rgc_basis_low = nn.RelGraphConv(I, O, R, "basis", B, low_mem=True)
rgc_basis_low.weight = rgc_basis.weight
rgc_basis_low.w_comp = rgc_basis.w_comp
h = tf.constant(np.random.randint(0, I, (100, ))) * 1
r = tf.constant(etype) * 1
h_new = rgc_basis(g, h, r)
h_new_low = rgc_basis_low(g, h, r)
assert list(h_new.shape) == [100, O]
assert list(h_new_low.shape) == [100, O]
assert F.allclose(h_new, h_new_low)
def processing_amr(amr_dir, tokens_list):
amr_list = torch.load(amr_dir)
node_idx_list, edge_type_list, node_idx_offset_list, node_idx_offset_whole = [], [], [], []
list_of_align_dict = []
list_of_exist_dict = []
total_edge_num = 0
covered_edge_num = 0
order_list = []
for i, amr in enumerate(amr_list):
amr_split_list = amr.split('\n')
# print(amr_split_list)
node_to_idx, node_to_offset, node_to_offset_whole = {}, {}, {}
node_num = 0
# first to fill in the node list
for line in amr_split_list:
if line.startswith('# ::node'):
node_split = line.split('\t')
# print(node_split)
if len(node_split) != 4:
# check if the alignment text spans exist
continue
else:
align_span = node_split[3].split('-')
if not align_span[0].isdigit():
continue
head_word_idx = int(align_span[1]) - 1
try:
start = int(align_span[0])
except:
# print(amr_list[i])
raise ValueError
end = int(align_span[1])
if (start, end) not in list(node_to_offset_whole.values()):
node_to_offset.update({node_split[1]: head_word_idx})
node_to_offset_whole.update(
{node_split[1]: (start, end)})
node_to_idx.update({node_split[1]: node_num})
node_num += 1
else:
continue
node_idx_list.append(node_to_idx)
# change str2offset to idx2offset
node_idx_to_offset = {}
for key in node_to_idx.keys():
node_idx_to_offset.update({node_to_idx[key]: node_to_offset[key]})
node_idx_to_offset_whole = {}
for key in node_to_idx.keys():
node_idx_to_offset_whole.update(
{node_to_idx[key]: node_to_offset_whole[key]})
node_idx_offset_list.append(node_idx_to_offset)
node_idx_offset_whole.append(node_idx_to_offset_whole)
edge_type_dict = {}
for line in amr_split_list:
if line.startswith('# ::root'):
root_split = line.split('\t')
root = root_split[1]
prior_dict = {root: []}
start_list = []
end_list = []
for line in amr_split_list:
if line.startswith('# ::edge'):
edge_split = line.split('\t')
amr_edge_type = edge_split[2]
edge_start = edge_split[4]
edge_end = edge_split[5]
# check if the start and end nodes exist
if (edge_start in node_to_idx) and (edge_end in node_to_idx):
# check if the edge type is "ARGx-of", if so, reverse the direction of the edge
if amr_edge_type.startswith(
"ARG") and amr_edge_type.endswith("-of"):
edge_start, edge_end = edge_end, edge_start
amr_edge_type = amr_edge_type[0:4]
# deal with this edge here
edge_idx = get_amr_edge_idx(amr_edge_type)
total_edge_num += 1
if edge_idx == 11:
covered_edge_num += 1
start_idx = node_to_idx[edge_start]
end_idx = node_to_idx[edge_end]
edge_type_dict.update({(start_idx, end_idx): edge_idx})
else:
continue
# print(edge_start, edge_end)
if edge_end != root and (not ((edge_start in end_list) and
(edge_end in start_list))):
start_list.append(edge_start)
end_list.append(edge_end)
if edge_start not in prior_dict:
prior_dict.update({edge_start: [edge_end]})
else:
prior_dict[edge_start].append(edge_end)
else:
continue
edge_type_list.append(edge_type_dict)
# generating priority list for decoding
final_order_list = []
# output orders
candidate_nodes = node_to_idx.copy()
while len(candidate_nodes) != 0:
current_level_nodes = []
for key in candidate_nodes:
if key not in end_list:
final_order_list.append(candidate_nodes[key])
current_level_nodes.append(key)
# Remove current level nodes from the dictionary
for node in current_level_nodes:
candidate_nodes.pop(node)
# deleting from start lists the current level nodes
for node in current_level_nodes:
indices_list = [
i for i, x in enumerate(start_list) if x == node
]
start_list = [x for x in start_list if x != node]
new_end_list = []
for i in range(len(end_list)):
if i not in indices_list:
new_end_list.append(end_list[i])
end_list = new_end_list
order_list.append(final_order_list.copy())
# feed into dgl graphs
graphs_list = []
for i in range(len(node_idx_list)):
graph_i = dgl.DGLGraph()
edge2type = edge_type_list[i]
node2offset = node_idx_offset_list[i]
node2offset_whole = node_idx_offset_whole[i]
nodes_num = len(node2offset)
graph_i.add_nodes(nodes_num)
graph_i.ndata['token_pos'] = torch.zeros(nodes_num,
1,
dtype=torch.long)
graph_i.ndata['token_span'] = torch.zeros(nodes_num,
2,
dtype=torch.long)
# fill in token positions
for key in node2offset:
graph_i.ndata['token_pos'][key][0] = node2offset[key]
for key in node2offset:
graph_i.ndata['token_span'][key][0] = node2offset_whole[key][0]
graph_i.ndata['token_span'][key][1] = node2offset_whole[key][1]
# add nodes priorities
node_prior_tensor = torch.zeros(nodes_num, 1, dtype=torch.long)
for j in range(nodes_num):
node_prior_tensor[j][0] = order_list[i].index(j)
graph_i.ndata['priority'] = node_prior_tensor
# add edges
edge_num = len(edge2type)
edge_iter = 0
''' bi-directional edges '''
edge_type_tensor = torch.zeros(2 * edge_num, 1, dtype=torch.long)
for key in edge2type:
graph_i.add_edges(key[0], key[1])
edge_type_tensor[edge_iter][0] = edge2type[key]
edge_iter += 1
for key in edge2type:
graph_i.add_edges(key[1], key[0])
edge_type_tensor[edge_iter][0] = edge2type[key]
edge_iter += 1
graph_i.edata['type'] = edge_type_tensor
graphs_list.append(graph_i)
align_dict = {}
exist_dict = {}
span_list = graph_i.ndata["token_span"].tolist()
for p in range(len(tokens_list[i])):
min_dis = 2 * len(tokens_list[i])
min_dis_idx = -1
if_found = 0
for q in range(len(span_list)):
if p >= span_list[q][0] and p < span_list[q][1]:
if_found = 1
align_dict.update({p: q})
exist_dict.update({p: 1})
break
else:
new_dis_1 = abs(p - span_list[q][0])
new_dis_2 = abs(p - (span_list[q][1] - 1))
new_dis = min(new_dis_1, new_dis_2)
if new_dis < min_dis:
min_dis = new_dis
min_dis_idx = q
if not if_found:
align_dict.update({p: min_dis_idx})
exist_dict.update({p: 0})
list_of_align_dict.append(align_dict)
list_of_exist_dict.append(exist_dict)
return graphs_list, list_of_align_dict, list_of_exist_dict