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Unverified Commit 9ec9df57 authored by Rhett Ying's avatar Rhett Ying Committed by GitHub
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[Fix] check and load dependencies when needed (#3655) 

* [Fix] check and load dependencies when needed

* refine rdflib import
parent 77f4287a
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Showing with 381 additions and 370 deletions
python/dgl/data/__init__.py
View file @ 9ec9df57
......@@ -29,7 +29,7 @@ from .knowledge_graph import FB15k237Dataset, FB15kDataset, WN18Dataset
from .rdf import AIFBDataset, MUTAGDataset, BGSDataset, AMDataset
from .fraud import FraudDataset, FraudYelpDataset, FraudAmazonDataset
from .fakenews import FakeNewsDataset
from .csv_dataset import DGLCSVDataset
def register_data_args(parser):
parser.add_argument(
......
python/dgl/data/csv_dataset.py
View file @ 9ec9df57
import os
import yaml
from yaml.loader import SafeLoader
import pandas as pd
import numpy as np
from typing import List, Optional
import pydantic as dt
from .dgl_dataset import DGLDataset
from ..convert import heterograph as dgl_heterograph
from .. import backend as F
from .utils import save_graphs, load_graphs
from ..base import dgl_warning, DGLError
import abc
import ast
from typing import Callable
class MetaNode(dt.BaseModel):
""" Class of node_data in YAML. Internal use only. """
file_name: str
ntype: Optional[str] = '_V'
graph_id_field: Optional[str] = 'graph_id'
node_id_field: Optional[str] = 'node_id'
class MetaEdge(dt.BaseModel):
""" Class of edge_data in YAML. Internal use only. """
file_name: str
etype: Optional[List[str]] = ['_V', '_E', '_V']
graph_id_field: Optional[str] = 'graph_id'
src_id_field: Optional[str] = 'src_id'
dst_id_field: Optional[str] = 'dst_id'
class MetaGraph(dt.BaseModel):
""" Class of graph_data in YAML. Internal use only. """
file_name: str
graph_id_field: Optional[str] = 'graph_id'
class MetaYaml(dt.BaseModel):
""" Class of YAML. Internal use only. """
version: Optional[str] = '1.0.0'
dataset_name: str
separator: Optional[str] = ','
node_data: List[MetaNode]
edge_data: List[MetaEdge]
graph_data: Optional[MetaGraph] = None
def load_yaml_with_sanity_check(yaml_file):
""" Load yaml and do sanity check. Internal use only. """
with open(yaml_file) as f:
yaml_data = yaml.load(f, Loader=SafeLoader)
try:
meta_yaml = MetaYaml(**yaml_data)
except dt.ValidationError as e:
print(
"Details of pydantic.ValidationError:\n{}".format(e.json()))
raise DGLError(
"Validation Error for YAML fields. Details are shown above.")
if meta_yaml.version != '1.0.0':
raise DGLError("Invalid CSVDataset version {}. Supported versions: '1.0.0'".format(
meta_yaml.version))
ntypes = [meta.ntype for meta in meta_yaml.node_data]
if len(ntypes) > len(set(ntypes)):
raise DGLError(
"Each node CSV file must have a unique node type name, but found duplicate node type: {}.".format(ntypes))
etypes = [tuple(meta.etype) for meta in meta_yaml.edge_data]
if len(etypes) > len(set(etypes)):
raise DGLError(
"Each edge CSV file must have a unique edge type name, but found duplicate edge type: {}.".format(etypes))
return meta_yaml
def _validate_data_length(data_dict):
len_dict = {k: len(v) for k, v in data_dict.items()}
lst = list(len_dict.values())
res = lst.count(lst[0]) == len(lst)
if not res:
raise DGLError(
"All data are required to have same length while some of them does not. Length of data={}".format(str(len_dict)))
class BaseData:
""" Class of base data which is inherited by Node/Edge/GraphData. Internal use only. """
@staticmethod
def read_csv(file_name, base_dir, separator):
csv_path = file_name
if base_dir is not None:
csv_path = os.path.join(base_dir, csv_path)
return pd.read_csv(csv_path, sep=separator)
@staticmethod
def pop_from_dataframe(df: pd.DataFrame, item: str):
ret = None
try:
ret = df.pop(item).to_numpy().squeeze()
except KeyError:
pass
return ret
class NodeData(BaseData):
""" Class of node data which is used for DGLGraph construction. Internal use only. """
def __init__(self, node_id, data, type=None, graph_id=None):
self.id = np.array(node_id, dtype=np.int64)
self.data = data
self.type = type if type is not None else '_V'
self.graph_id = np.array(graph_id, dtype=np.int) if graph_id is not None else np.full(
len(node_id), 0)
_validate_data_length({**{'id': self.id, 'graph_id': self.graph_id}, **self.data})
@staticmethod
def load_from_csv(meta: MetaNode, data_parser: Callable, base_dir=None, separator=','):
df = BaseData.read_csv(meta.file_name, base_dir, separator)
node_ids = BaseData.pop_from_dataframe(df, meta.node_id_field)
graph_ids = BaseData.pop_from_dataframe(df, meta.graph_id_field)
if node_ids is None:
raise DGLError("Missing node id field [{}] in file [{}].".format(
meta.node_id_field, meta.file_name))
ntype = meta.ntype
ndata = data_parser(df)
return NodeData(node_ids, ndata, type=ntype, graph_id=graph_ids)
@staticmethod
def to_dict(node_data: List['NodeData']) -> dict:
# node_ids could be arbitrary numeric values, namely non-sorted, duplicated, not labeled from 0 to num_nodes-1
node_dict = {}
for n_data in node_data:
graph_ids = np.unique(n_data.graph_id)
for graph_id in graph_ids:
idx = n_data.graph_id == graph_id
ids = n_data.id[idx]
u_ids, u_indices = np.unique(ids, return_index=True)
if len(ids) > len(u_ids):
dgl_warning(
"There exist duplicated ids and only the first ones are kept.")
if graph_id not in node_dict:
node_dict[graph_id] = {}
node_dict[graph_id][n_data.type] = {'mapping': {index: i for i,
index in enumerate(ids[u_indices])},
'data': {k: F.tensor(v[idx][u_indices])
for k, v in n_data.data.items()}}
return node_dict
class EdgeData(BaseData):
""" Class of edge data which is used for DGLGraph construction. Internal use only. """
def __init__(self, src_id, dst_id, data, type=None, graph_id=None):
self.src = np.array(src_id, dtype=np.int64)
self.dst = np.array(dst_id, dtype=np.int64)
self.data = data
self.type = type if type is not None else ('_V', '_E', '_V')
self.graph_id = np.array(graph_id, dtype=np.int) if graph_id is not None else np.full(
len(src_id), 0)
_validate_data_length({**{'src': self.src, 'dst': self.dst, 'graph_id': self.graph_id}, **self.data})
@staticmethod
def load_from_csv(meta: MetaEdge, data_parser: Callable, base_dir=None, separator=','):
df = BaseData.read_csv(meta.file_name, base_dir, separator)
src_ids = BaseData.pop_from_dataframe(df, meta.src_id_field)
if src_ids is None:
raise DGLError("Missing src id field [{}] in file [{}].".format(
meta.src_id_field, meta.file_name))
dst_ids = BaseData.pop_from_dataframe(df, meta.dst_id_field)
if dst_ids is None:
raise DGLError("Missing dst id field [{}] in file [{}].".format(
meta.dst_id_field, meta.file_name))
graph_ids = BaseData.pop_from_dataframe(df, meta.graph_id_field)
etype = tuple(meta.etype)
edata = data_parser(df)
return EdgeData(src_ids, dst_ids, edata, type=etype, graph_id=graph_ids)
@staticmethod
def to_dict(edge_data: List['EdgeData'], node_dict: dict) -> dict:
edge_dict = {}
for e_data in edge_data:
(src_type, e_type, dst_type) = e_data.type
graph_ids = np.unique(e_data.graph_id)
for graph_id in graph_ids:
if graph_id in edge_dict and e_data.type in edge_dict[graph_id]:
raise DGLError(f"Duplicate edge type[{e_data.type}] for same graph[{graph_id}], please place the same edge_type for same graph into single EdgeData.")
idx = e_data.graph_id == graph_id
src_mapping = node_dict[graph_id][src_type]['mapping']
dst_mapping = node_dict[graph_id][dst_type]['mapping']
src_ids = [src_mapping[index] for index in e_data.src[idx]]
dst_ids = [dst_mapping[index] for index in e_data.dst[idx]]
if graph_id not in edge_dict:
edge_dict[graph_id] = {}
edge_dict[graph_id][e_data.type] = {'edges': (F.tensor(src_ids), F.tensor(dst_ids)),
'data': {k: F.tensor(v[idx])
for k, v in e_data.data.items()}}
return edge_dict
class GraphData(BaseData):
""" Class of graph data which is used for DGLGraph construction. Internal use only. """
def __init__(self, graph_id, data):
self.graph_id = np.array(graph_id, dtype=np.int64)
self.data = data
_validate_data_length({**{'graph_id': self.graph_id}, **self.data})
@staticmethod
def load_from_csv(meta: MetaGraph, data_parser: Callable, base_dir=None, separator=','):
df = BaseData.read_csv(meta.file_name, base_dir, separator)
graph_ids = BaseData.pop_from_dataframe(df, meta.graph_id_field)
if graph_ids is None:
raise DGLError("Missing graph id field [{}] in file [{}].".format(
meta.graph_id_field, meta.file_name))
gdata = data_parser(df)
return GraphData(graph_ids, gdata)
@staticmethod
def to_dict(graph_data: 'GraphData', graphs_dict: dict) -> dict:
missing_ids = np.setdiff1d(
np.array(list(graphs_dict.keys())), graph_data.graph_id)
if len(missing_ids) > 0:
raise DGLError(
"Found following graph ids in node/edge CSVs but not in graph CSV: {}.".format(missing_ids))
graph_ids = graph_data.graph_id
graphs = []
for graph_id in graph_ids:
if graph_id not in graphs_dict:
graphs_dict[graph_id] = dgl_heterograph(
{('_V', '_E', '_V'): ([], [])})
for graph_id in graph_ids:
graphs.append(graphs_dict[graph_id])
data = {k: F.tensor(v) for k, v in graph_data.data.items()}
return graphs, data
class DGLGraphConstructor:
""" Class for constructing DGLGraph from Node/Edge/Graph data. Internal use only. """
@staticmethod
def construct_graphs(node_data, edge_data, graph_data=None):
if not isinstance(node_data, list):
node_data = [node_data]
if not isinstance(edge_data, list):
edge_data = [edge_data]
node_dict = NodeData.to_dict(node_data)
edge_dict = EdgeData.to_dict(edge_data, node_dict)
graph_dict = DGLGraphConstructor._construct_graphs(
node_dict, edge_dict)
if graph_data is None:
graph_data = GraphData(np.full(1, 0), {})
graphs, data = GraphData.to_dict(
graph_data, graph_dict)
return graphs, data
@staticmethod
def _construct_graphs(node_dict, edge_dict):
graph_dict = {}
for graph_id in node_dict:
if graph_id not in edge_dict:
edge_dict[graph_id][('_V', '_E', '_V')] = {'edges': ([], [])}
graph = dgl_heterograph({etype: edata['edges']
for etype, edata in edge_dict[graph_id].items()},
num_nodes_dict={ntype: len(ndata['mapping'])
for ntype, ndata in node_dict[graph_id].items()})
def assign_data(type, src_data, dst_data):
for key, value in src_data.items():
dst_data[type].data[key] = value
for type, data in node_dict[graph_id].items():
assign_data(type, data['data'], graph.nodes)
for (type), data in edge_dict[graph_id].items():
assign_data(type, data['data'], graph.edges)
graph_dict[graph_id] = graph
return graph_dict
class DefaultDataParser:
""" Default data parser for DGLCSVDataset. It
1. ignores any columns which does not have a header.
2. tries to convert to list of numeric values(generated by
np.array().tolist()) if cell data is a str separated by ','.
3. read data and infer data type directly, otherwise.
"""
def __call__(self, df: pd.DataFrame):
data = {}
for header in df:
if 'Unnamed' in header:
dgl_warning("Unamed column is found. Ignored...")
continue
dt = df[header].to_numpy().squeeze()
if len(dt) > 0 and isinstance(dt[0], str):
#probably consists of list of numeric values
dt = np.array([ast.literal_eval(row) for row in dt])
data[header] = dt
return data
from ..base import DGLError
class DGLCSVDataset(DGLDataset):
......@@ -337,6 +47,7 @@ class DGLCSVDataset(DGLDataset):
META_YAML_NAME = 'meta.yaml'
def __init__(self, data_path, force_reload=False, verbose=True, node_data_parser=None, edge_data_parser=None, graph_data_parser=None):
from .csv_dataset_base import load_yaml_with_sanity_check, DefaultDataParser
self.graphs = None
self.data = None
self.node_data_parser = {} if node_data_parser is None else node_data_parser
......@@ -352,9 +63,11 @@ class DGLCSVDataset(DGLDataset):
super().__init__(ds_name, raw_dir=os.path.dirname(
meta_yaml_path), force_reload=force_reload, verbose=verbose)
def process(self):
"""Parse node/edge data from CSV files and construct DGL.Graphs
"""
from .csv_dataset_base import NodeData, EdgeData, GraphData, DGLGraphConstructor
meta_yaml = self.meta_yaml
base_dir = self.raw_dir
node_data = []
......
python/dgl/data/csv_dataset_base.py 0 → 100644
View file @ 9ec9df57
import os
import numpy as np
from typing import List, Optional, Callable
from .. import backend as F
from ..convert import heterograph as dgl_heterograph
from ..base import dgl_warning, DGLError
import ast
import pydantic as dt
import pandas as pd
import yaml
class MetaNode(dt.BaseModel):
""" Class of node_data in YAML. Internal use only. """
file_name: str
ntype: Optional[str] = '_V'
graph_id_field: Optional[str] = 'graph_id'
node_id_field: Optional[str] = 'node_id'
class MetaEdge(dt.BaseModel):
""" Class of edge_data in YAML. Internal use only. """
file_name: str
etype: Optional[List[str]] = ['_V', '_E', '_V']
graph_id_field: Optional[str] = 'graph_id'
src_id_field: Optional[str] = 'src_id'
dst_id_field: Optional[str] = 'dst_id'
class MetaGraph(dt.BaseModel):
""" Class of graph_data in YAML. Internal use only. """
file_name: str
graph_id_field: Optional[str] = 'graph_id'
class MetaYaml(dt.BaseModel):
""" Class of YAML. Internal use only. """
version: Optional[str] = '1.0.0'
dataset_name: str
separator: Optional[str] = ','
node_data: List[MetaNode]
edge_data: List[MetaEdge]
graph_data: Optional[MetaGraph] = None
def load_yaml_with_sanity_check(yaml_file):
""" Load yaml and do sanity check. Internal use only. """
with open(yaml_file) as f:
yaml_data = yaml.load(f, Loader=yaml.loader.SafeLoader)
try:
meta_yaml = MetaYaml(**yaml_data)
except dt.ValidationError as e:
print(
"Details of pydantic.ValidationError:\n{}".format(e.json()))
raise DGLError(
"Validation Error for YAML fields. Details are shown above.")
if meta_yaml.version != '1.0.0':
raise DGLError("Invalid CSVDataset version {}. Supported versions: '1.0.0'".format(
meta_yaml.version))
ntypes = [meta.ntype for meta in meta_yaml.node_data]
if len(ntypes) > len(set(ntypes)):
raise DGLError(
"Each node CSV file must have a unique node type name, but found duplicate node type: {}.".format(ntypes))
etypes = [tuple(meta.etype) for meta in meta_yaml.edge_data]
if len(etypes) > len(set(etypes)):
raise DGLError(
"Each edge CSV file must have a unique edge type name, but found duplicate edge type: {}.".format(etypes))
return meta_yaml
def _validate_data_length(data_dict):
len_dict = {k: len(v) for k, v in data_dict.items()}
lst = list(len_dict.values())
res = lst.count(lst[0]) == len(lst)
if not res:
raise DGLError(
"All data are required to have same length while some of them does not. Length of data={}".format(str(len_dict)))
class BaseData:
""" Class of base data which is inherited by Node/Edge/GraphData. Internal use only. """
@staticmethod
def read_csv(file_name, base_dir, separator):
csv_path = file_name
if base_dir is not None:
csv_path = os.path.join(base_dir, csv_path)
return pd.read_csv(csv_path, sep=separator)
@staticmethod
def pop_from_dataframe(df: pd.DataFrame, item: str):
ret = None
try:
ret = df.pop(item).to_numpy().squeeze()
except KeyError:
pass
return ret
class NodeData(BaseData):
""" Class of node data which is used for DGLGraph construction. Internal use only. """
def __init__(self, node_id, data, type=None, graph_id=None):
self.id = np.array(node_id, dtype=np.int64)
self.data = data
self.type = type if type is not None else '_V'
self.graph_id = np.array(graph_id, dtype=np.int) if graph_id is not None else np.full(
len(node_id), 0)
_validate_data_length({**{'id': self.id, 'graph_id': self.graph_id}, **self.data})
@staticmethod
def load_from_csv(meta: MetaNode, data_parser: Callable, base_dir=None, separator=','):
df = BaseData.read_csv(meta.file_name, base_dir, separator)
node_ids = BaseData.pop_from_dataframe(df, meta.node_id_field)
graph_ids = BaseData.pop_from_dataframe(df, meta.graph_id_field)
if node_ids is None:
raise DGLError("Missing node id field [{}] in file [{}].".format(
meta.node_id_field, meta.file_name))
ntype = meta.ntype
ndata = data_parser(df)
return NodeData(node_ids, ndata, type=ntype, graph_id=graph_ids)
@staticmethod
def to_dict(node_data: List['NodeData']) -> dict:
# node_ids could be arbitrary numeric values, namely non-sorted, duplicated, not labeled from 0 to num_nodes-1
node_dict = {}
for n_data in node_data:
graph_ids = np.unique(n_data.graph_id)
for graph_id in graph_ids:
idx = n_data.graph_id == graph_id
ids = n_data.id[idx]
u_ids, u_indices = np.unique(ids, return_index=True)
if len(ids) > len(u_ids):
dgl_warning(
"There exist duplicated ids and only the first ones are kept.")
if graph_id not in node_dict:
node_dict[graph_id] = {}
node_dict[graph_id][n_data.type] = {'mapping': {index: i for i,
index in enumerate(ids[u_indices])},
'data': {k: F.tensor(v[idx][u_indices])
for k, v in n_data.data.items()}}
return node_dict
class EdgeData(BaseData):
""" Class of edge data which is used for DGLGraph construction. Internal use only. """
def __init__(self, src_id, dst_id, data, type=None, graph_id=None):
self.src = np.array(src_id, dtype=np.int64)
self.dst = np.array(dst_id, dtype=np.int64)
self.data = data
self.type = type if type is not None else ('_V', '_E', '_V')
self.graph_id = np.array(graph_id, dtype=np.int) if graph_id is not None else np.full(
len(src_id), 0)
_validate_data_length({**{'src': self.src, 'dst': self.dst, 'graph_id': self.graph_id}, **self.data})
@staticmethod
def load_from_csv(meta: MetaEdge, data_parser: Callable, base_dir=None, separator=','):
df = BaseData.read_csv(meta.file_name, base_dir, separator)
src_ids = BaseData.pop_from_dataframe(df, meta.src_id_field)
if src_ids is None:
raise DGLError("Missing src id field [{}] in file [{}].".format(
meta.src_id_field, meta.file_name))
dst_ids = BaseData.pop_from_dataframe(df, meta.dst_id_field)
if dst_ids is None:
raise DGLError("Missing dst id field [{}] in file [{}].".format(
meta.dst_id_field, meta.file_name))
graph_ids = BaseData.pop_from_dataframe(df, meta.graph_id_field)
etype = tuple(meta.etype)
edata = data_parser(df)
return EdgeData(src_ids, dst_ids, edata, type=etype, graph_id=graph_ids)
@staticmethod
def to_dict(edge_data: List['EdgeData'], node_dict: dict) -> dict:
edge_dict = {}
for e_data in edge_data:
(src_type, e_type, dst_type) = e_data.type
graph_ids = np.unique(e_data.graph_id)
for graph_id in graph_ids:
if graph_id in edge_dict and e_data.type in edge_dict[graph_id]:
raise DGLError(f"Duplicate edge type[{e_data.type}] for same graph[{graph_id}], please place the same edge_type for same graph into single EdgeData.")
idx = e_data.graph_id == graph_id
src_mapping = node_dict[graph_id][src_type]['mapping']
dst_mapping = node_dict[graph_id][dst_type]['mapping']
src_ids = [src_mapping[index] for index in e_data.src[idx]]
dst_ids = [dst_mapping[index] for index in e_data.dst[idx]]
if graph_id not in edge_dict:
edge_dict[graph_id] = {}
edge_dict[graph_id][e_data.type] = {'edges': (F.tensor(src_ids), F.tensor(dst_ids)),
'data': {k: F.tensor(v[idx])
for k, v in e_data.data.items()}}
return edge_dict
class GraphData(BaseData):
""" Class of graph data which is used for DGLGraph construction. Internal use only. """
def __init__(self, graph_id, data):
self.graph_id = np.array(graph_id, dtype=np.int64)
self.data = data
_validate_data_length({**{'graph_id': self.graph_id}, **self.data})
@staticmethod
def load_from_csv(meta: MetaGraph, data_parser: Callable, base_dir=None, separator=','):
df = BaseData.read_csv(meta.file_name, base_dir, separator)
graph_ids = BaseData.pop_from_dataframe(df, meta.graph_id_field)
if graph_ids is None:
raise DGLError("Missing graph id field [{}] in file [{}].".format(
meta.graph_id_field, meta.file_name))
gdata = data_parser(df)
return GraphData(graph_ids, gdata)
@staticmethod
def to_dict(graph_data: 'GraphData', graphs_dict: dict) -> dict:
missing_ids = np.setdiff1d(
np.array(list(graphs_dict.keys())), graph_data.graph_id)
if len(missing_ids) > 0:
raise DGLError(
"Found following graph ids in node/edge CSVs but not in graph CSV: {}.".format(missing_ids))
graph_ids = graph_data.graph_id
graphs = []
for graph_id in graph_ids:
if graph_id not in graphs_dict:
graphs_dict[graph_id] = dgl_heterograph(
{('_V', '_E', '_V'): ([], [])})
for graph_id in graph_ids:
graphs.append(graphs_dict[graph_id])
data = {k: F.tensor(v) for k, v in graph_data.data.items()}
return graphs, data
class DGLGraphConstructor:
""" Class for constructing DGLGraph from Node/Edge/Graph data. Internal use only. """
@staticmethod
def construct_graphs(node_data, edge_data, graph_data=None):
if not isinstance(node_data, list):
node_data = [node_data]
if not isinstance(edge_data, list):
edge_data = [edge_data]
node_dict = NodeData.to_dict(node_data)
edge_dict = EdgeData.to_dict(edge_data, node_dict)
graph_dict = DGLGraphConstructor._construct_graphs(
node_dict, edge_dict)
if graph_data is None:
graph_data = GraphData(np.full(1, 0), {})
graphs, data = GraphData.to_dict(
graph_data, graph_dict)
return graphs, data
@staticmethod
def _construct_graphs(node_dict, edge_dict):
graph_dict = {}
for graph_id in node_dict:
if graph_id not in edge_dict:
edge_dict[graph_id][('_V', '_E', '_V')] = {'edges': ([], [])}
graph = dgl_heterograph({etype: edata['edges']
for etype, edata in edge_dict[graph_id].items()},
num_nodes_dict={ntype: len(ndata['mapping'])
for ntype, ndata in node_dict[graph_id].items()})
def assign_data(type, src_data, dst_data):
for key, value in src_data.items():
dst_data[type].data[key] = value
for type, data in node_dict[graph_id].items():
assign_data(type, data['data'], graph.nodes)
for (type), data in edge_dict[graph_id].items():
assign_data(type, data['data'], graph.edges)
graph_dict[graph_id] = graph
return graph_dict
class DefaultDataParser:
""" Default data parser for DGLCSVDataset. It
1. ignores any columns which does not have a header.
2. tries to convert to list of numeric values(generated by
np.array().tolist()) if cell data is a str separated by ','.
3. read data and infer data type directly, otherwise.
"""
def __call__(self, df: pd.DataFrame):
data = {}
for header in df:
if 'Unnamed' in header:
dgl_warning("Unamed column is found. Ignored...")
continue
dt = df[header].to_numpy().squeeze()
if len(dt) > 0 and isinstance(dt[0], str):
#probably consists of list of numeric values
dt = np.array([ast.literal_eval(row) for row in dt])
data[header] = dt
return data
python/dgl/data/rdf.py
View file @ 9ec9df57
......@@ -8,10 +8,6 @@ from collections import OrderedDict
import itertools
import abc
import re
try:
import rdflib as rdf
except ImportError:
pass
import networkx as nx
import numpy as np
......@@ -115,7 +111,6 @@ class RDFGraphDataset(DGLBuiltinDataset):
raw_dir=None,
force_reload=False,
verbose=True):
import rdflib as rdf
self._insert_reverse = insert_reverse
self._print_every = print_every
self._predict_category = predict_category
......@@ -141,6 +136,7 @@ class RDFGraphDataset(DGLBuiltinDataset):
-------
Loaded rdf data
"""
import rdflib as rdf
raw_rdf_graphs = []
for _, filename in enumerate(os.listdir(root_path)):
fmt = None
......@@ -674,6 +670,7 @@ class AIFBDataset(RDFGraphDataset):
return super(AIFBDataset, self).__len__()
def parse_entity(self, term):
import rdflib as rdf
if isinstance(term, rdf.Literal):
return Entity(e_id=str(term), cls="_Literal")
if isinstance(term, rdf.BNode):
......@@ -855,6 +852,7 @@ class MUTAGDataset(RDFGraphDataset):
return super(MUTAGDataset, self).__len__()
def parse_entity(self, term):
import rdflib as rdf
if isinstance(term, rdf.Literal):
return Entity(e_id=str(term), cls="_Literal")
elif isinstance(term, rdf.BNode):
......@@ -1052,6 +1050,7 @@ class BGSDataset(RDFGraphDataset):
return super(BGSDataset, self).__len__()
def parse_entity(self, term):
import rdflib as rdf
if isinstance(term, rdf.Literal):
return None
elif isinstance(term, rdf.BNode):
......@@ -1247,6 +1246,7 @@ class AMDataset(RDFGraphDataset):
return super(AMDataset, self).__len__()
def parse_entity(self, term):
import rdflib as rdf
if isinstance(term, rdf.Literal):
return None
elif isinstance(term, rdf.BNode):
......
tests/compute/test_data.py
View file @ 9ec9df57
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