osc/research/nuofang-db/nfm/mstruct/webpage_parser.py

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2025-05-28 19:16:17 +08:00
import os
from lxml import etree
import json
import re
target_file_path = r"E:\yuxin\nuofang-data\structure\0420\webpage"
xpath_parse_dict = {
'title': "//div[@class='good-info-box']/div[@class='top cls']/span/text()",
'base_info': "//div[@class='tab '][1]/div[@id='tab1_info']/div[@class='cItem active']/div[@class='layui-row txt']/div[1]/p",
'leader_info': "//div[@class='good-info-box']/div[@class='tab '][1]/div[@id='tab1_info']/div[@class='cItem active']/div[@id='leader_list']//tbody/tr",
'website_info': "//div[@class='good-info-box']/div[@class='tab '][2]/div[@class='tabInfo sourcetabInfo']/div",
}
def trim_space(input_str):
result = re.sub(' {2,}', ' ', input_str)
return result
def parse_base_info(current_selector):
base_info_line = current_selector.xpath(xpath_parse_dict['base_info'])
base_info = {}
for line in base_info_line:
line_text = ''.join(line.xpath(".//text()"))
label = line_text.split('')[0].strip()
value = ''.join(line_text.split('')[1:]).strip()
base_info[label] = trim_space(value)
# if current_title != '' and len(base_info) > 0:
# print("[No. {}] {}: {}".format(count, current_title, json.dumps(base_info, ensure_ascii=False)))
# pass
# else:
# print("[No. {}] {} 解析不成功".format(count, _path))
return base_info
def parse_leader_info(current_selector):
leader_info_line = current_selector.xpath(xpath_parse_dict['leader_info'])
leader_info_list = []
ths = []
for i in range(len(leader_info_line)):
leader_info = {}
line = leader_info_line[i]
if i == 0:
ths = line.xpath("./th/text()")
else:
for th in ths:
leader_info[th] = ''
tds = line.xpath("./td")
for tdi in range(len(tds)):
td_txt = ''.join(tds[tdi].xpath(".//text()"))
leader_info[ths[tdi]] = trim_space(td_txt.strip())
leader_info_list.append(leader_info)
# if current_title != '' and len(leader_info_list) > 0:
# print("[No. {}] {}: {}".format(count, current_title, json.dumps(leader_info_list, ensure_ascii=False)))
# pass
return leader_info_list
def parse_website_info(current_selector):
tab_name_xpath = "//div[@class='good-info-box']/div[@class='tab ']/div[@id='tabNav']/p/text()"
tab_names = current_selector.xpath(tab_name_xpath)
if len(tab_names) <= 0:
return []
website_info_tab = current_selector.xpath("//div[@class='good-info-box']/div[@class='tab ']/div[@id='tabInfo']/div")
website_info = {}
for i in range(len(website_info_tab)):
tab_dict = {}
tab_name = tab_names[i]
tab_content = website_info_tab[i]
overview_box = tab_content.xpath("./dl[@class='overview box']")
if overview_box is not None and len(overview_box) > 0:
overview_info = overview_box[0].xpath(".//p/text()")
tab_dict["概述"] = trim_space(''.join(overview_info).strip())
other_box = tab_content.xpath("./div")
if other_box is not None and len(other_box) > 0:
for box in other_box:
subtitle_info = box.xpath(".//h2/text()")
if len(subtitle_info) > 0:
subtitle = ''.join(subtitle_info).replace("", "").strip()
if subtitle not in ['入驻单位', '主要设施']:
content_info = box.xpath(".//text()")
content = ''.join([_.strip() for _ in content_info])
tab_dict[subtitle] = trim_space(content)
website_info[tab_name] = tab_dict
# if current_title != '' and len(website_info) > 0:
# print("[No. {}] {}: {}".format(count, current_title, json.dumps(website_info, ensure_ascii=False)))
# pass
return website_info
def parse_contact_info(current_selector):
tab_name_xpath = "//div[@class='good-info-box']/div[@id='tabContact']/div[@class='tabNav nav2 cls']/p/text()"
tab_names = current_selector.xpath(tab_name_xpath)
if len(tab_names) <= 0:
return []
contact_info_line = current_selector.xpath(
"//div[@class='good-info-box']/div[@id='tabContact']/div[@id='tabContactText']/div//p")
contact_info = {}
for i in range(len(contact_info_line)):
contact_item = contact_info_line[i]
contact_item_text = "".join(contact_item.xpath(".//text()"))
contact_item_name = contact_item_text.split("")[0]
contact_item_value = "".join(contact_item_text.split("")[1:])
contact_info[contact_item_name] = contact_item_value
# if current_title != '' and len(website_info) > 0:
# print("[No. {}] {}: {}".format(count, current_title, json.dumps(website_info, ensure_ascii=False)))
# pass
return contact_info
if __name__ == '__main__':
count = 0
for _path in os.listdir(target_file_path):
if _path.endswith('.html'):
# if _path.endswith('美国联邦调查局FBI_组织结构_全球军事态势情报数据库.html'):
count += 1
webpage_info = {}
target_file = open(target_file_path + '\\' + _path, mode='r', encoding='utf-8')
html_content = target_file.read().replace('\n', '')
target_file.close()
selector = etree.HTML(html_content)
title_info = selector.xpath(xpath_parse_dict['title'])
title = ''.join(title_info).strip()
url_info = selector.xpath('//ul[@class="osc-dropMenu"]/li[last()]/a/@href')[0]
webpage_info["url_info"] = url_info.replace("#", "")
# demo_info = parse_contact_info(selector)
# if demo_info is not None and len(demo_info) > 0:
# print("[No. {}] {} 读取完成,{}".format(count, title, json.dumps(demo_info, ensure_ascii=False)))
# pass
# else:
# print("[No. {}] {} 内容为空".format(count, title))
base_info = parse_base_info(selector)
if len(base_info) > 0:
webpage_info["base_info"] = base_info
leader_info = parse_leader_info(selector)
if len(leader_info) > 0:
webpage_info["leader_info"] = leader_info
website_info = parse_website_info(selector)
if len(website_info) > 0:
webpage_info["website_info"] = website_info
contact_info = parse_contact_info(selector)
if len(contact_info) > 0:
webpage_info["contact_info"] = contact_info
result_file_name = '%s-' % count + title.replace("/", "-") + '.json'
result_file_path = 'E:/yuxin/nuofang-data/structure/result0512/' + result_file_name
result_file = open(result_file_path, 'w', encoding='utf-8')
result_file.write(json.dumps(webpage_info, ensure_ascii=False))
result_file.close()
print("[No. {}] {} 写入完成原始url是{}".format(count, title, webpage_info["url_info"]))