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from pyhanlp import * | ||
import zipfile | ||
import os | ||
from pyhanlp.static import download, remove_file, HANLP_DATA_PATH | ||
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def test_data_path(): | ||
""" | ||
获取测试数据路径,位于$root/data/test,根目录由配置文件指定。 | ||
:return: | ||
""" | ||
data_path = os.path.join(HANLP_DATA_PATH, 'test') | ||
if not os.path.isdir(data_path): | ||
os.mkdir(data_path) | ||
return data_path | ||
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## 验证是否存在语料库,如果没有自动下载 | ||
def ensure_data(data_name, data_url): | ||
root_path = test_data_path() | ||
dest_path = os.path.join(root_path, data_name) | ||
if os.path.exists(dest_path): | ||
return dest_path | ||
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if data_url.endswith('.zip'): | ||
dest_path += '.zip' | ||
download(data_url, dest_path) | ||
if data_url.endswith('.zip'): | ||
with zipfile.ZipFile(dest_path, "r") as archive: | ||
archive.extractall(root_path) | ||
remove_file(dest_path) | ||
dest_path = dest_path[:-len('.zip')] | ||
return dest_path | ||
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## =============================================== | ||
## 以下开始 依存句法分析 | ||
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KBeamArcEagerDependencyParser = JClass('com.hankcs.hanlp.dependency.perceptron.parser.KBeamArcEagerDependencyParser') | ||
CTB_ROOT = ensure_data("ctb8.0-dep", "http://file.hankcs.com/corpus/ctb8.0-dep.zip") | ||
CTB_TRAIN = CTB_ROOT + "/train.conll" | ||
CTB_DEV = CTB_ROOT + "/dev.conll" | ||
CTB_TEST = CTB_ROOT + "/test.conll" | ||
CTB_MODEL = CTB_ROOT + "/ctb.bin" | ||
BROWN_CLUSTER = ensure_data("wiki-cn-cluster.txt", "http://file.hankcs.com/corpus/wiki-cn-cluster.zip") | ||
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parser = KBeamArcEagerDependencyParser.train(CTB_TRAIN, CTB_DEV, BROWN_CLUSTER, CTB_MODEL) | ||
print(parser.parse("人吃鱼")) | ||
score = parser.evaluate(CTB_TEST) | ||
print("UAS=%.1f LAS=%.1f\n" % (score[0], score[1])) |