forked from hjdhnx/dr_py
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathhtmlParseerOld.py
210 lines (194 loc) · 7.6 KB
/
htmlParseerOld.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# File : htmlParser.py
# Author: DaShenHan&道长-----先苦后甜，任凭晚风拂柳颜------
# Date : 2022/8/25
import json
from pyquery import PyQuery as pq
from lxml import etree
from urllib.parse import urljoin
import re
from jsonpath import jsonpath
PARSE_CACHE = True # 解析缓存
class jsoup:
def __init__(self,MY_URL=''):
self.MY_URL = MY_URL
self.pdfh_html = ''
self.pdfa_html = ''
self.pdfh_doc = None
self.pdfa_doc = None
def test(self, text:str, string:str):
searchObj = re.search(rf'{text}', string, re.M | re.I)
test_ret = True if searchObj else False
return test_ret
def pdfh(self,html,parse:str,add_url=False):
if not parse:
return ''
if PARSE_CACHE:
if self.pdfh_html != html:
self.pdfh_html = html
self.pdfh_doc = pq(html)
doc = self.pdfh_doc
else:
doc = pq(html)
if parse == 'body&&Text' or parse == 'Text':
text = doc.text()
return text
elif parse == 'body&&Html' or parse == 'Html':
return doc.html()
option = None
if parse.find('&&') > -1:
option = parse.split('&&')[-1]
parse = parse.split('&&')[:-1] # 如果只有一个&& 取的就直接是0
if len(parse) > 1: # 如果不大于1可能就是option操作,不需要拼eq
parse = ' '.join([i if self.test(':eq|:lt|:gt|#',i) else f'{i}:eq(0)' for i in parse])
else:
parse = parse[0] if self.test(':eq|:lt|:gt|#',parse[0]) else f'{parse[0]}:eq(0)'
# FIXME 暂时不支持jsonpath那样的|| 分割取或属性
if option:
# print(f'parse:{parse}=>(option:{option})')
if ':eq(-1)' in parse:
# 处理 eq(-1)的情况,兼容性差，暂时只支持一层eq
ret = doc(parse.replace(':eq(-1)','')).eq(-1)
else:
ret = doc(parse)
# print(html)
# FIXME 解析出来有多个的情况应该自动取第一个
if option == 'Text':
ret = ret.text()
elif option == 'Html':
ret = ret.html()
else:
ret = ret.attr(option) or ''
if option.lower().find('style')>-1 and ret.find('url(')>-1:
try:
ret = re.search('url\((.*?)\)',ret,re.M|re.S).groups()[0]
except:
pass
if ret and add_url:
# pd_list = 'url|src|href|data-original|data-src|data-play|data-url'.split('|')
# need_add = option in pd_list
need_add = re.search('(url|src|href|-original|-src|-play|-url)$', option, re.M | re.I)
# print(f'option:{option},need_add:{need_add}')
if need_add:
if 'http' in ret:
ret = ret[ret.find('http'):]
else:
ret = urljoin(self.MY_URL,ret)
# print(ret)
else:
# ret = doc(parse+':first')
ret = doc(parse) # 由于是生成器,直接转str就能拿到第一条数据,不需要next
# ret = ret.next() # 取第一条数据
# ret = doc(parse) # 下面注释的写法不对的
# ret = ret.find(':first')
# ret = ret.children(':first')
# print(parse)
# ret = str(ret)
ret = ret.outerHtml()
return ret
def pdfa(self,html,parse:str):
# 看官方文档才能解决这个问题!!!
# https://pyquery.readthedocs.io/en/latest/api.html
if not parse:
return []
if parse.find('&&') > -1:
parse = parse.split('&&') # 带&&的重新拼接
# print(f"{parse[0]},{self.test(':eq|:lt|:gt', parse[0])}")
parse = ' '.join([parse[i] if self.test(':eq|:lt|:gt', parse[i]) or i>=len(parse)-1 else f'{parse[i]}:eq(0)' for i in range(len(parse))])
print(f'pdfa:{parse}')
# print(html)
if PARSE_CACHE:
if self.pdfa_html != html:
self.pdfa_html = html
self.pdfa_doc = pq(html)
doc = self.pdfa_doc
else:
doc = pq(html)
result = doc(parse)
# 节点转字符串
# print(str(etree.tostring(result[0], pretty_print=True), 'utf-8'))
# res = [item for item in result.items()]
# print(res)
res = [item.outerHtml() for item in result.items()] # 这个才是对的！！str() item str(etree.tostring 统统错误
# res = [str(item) for item in result.items()]
# res = [str(etree.tostring(item, pretty_print=True), 'utf-8') for item in result]
# print(len(res),res)
# print('pdfa执行结果数:',len(res))
return res
def pd(self,html,parse:str):
return self.pdfh(html,parse,True)
def pq(self,html:str):
return pq(html)
def pjfh(self,html,parse:str,add_url=False):
if not parse:
return ''
if isinstance(html,str):
# print(html)
try:
html = json.loads(html)
# html = eval(html)
except:
print('字符串转json失败')
return ''
if not parse.startswith('$.'):
parse = f'$.{parse}'
ret = ''
for ps in parse.split('||'):
ret = jsonpath(html,ps)
if isinstance(ret,list):
ret = str(ret[0]) if ret[0] else ''
else:
ret = str(ret) if ret else ''
if add_url and ret:
ret = urljoin(self.MY_URL, ret)
if ret:
break
# print(ret)
return ret
def pj(self, html, parse:str):
return self.pjfh(html, parse, True)
def pjfa(self,html,parse:str):
if not parse:
return []
if isinstance(html,str):
try:
html = json.loads(html)
except:
return ''
if not parse.startswith('$.'):
parse = f'$.{parse}'
# print(html)
# print(parse)
ret = jsonpath(html,parse)
# print(ret)
# print(type(ret))
# print(type(ret[0]))
# print(len(ret))
if isinstance(ret,list) and isinstance(ret[0],list) and len(ret) == 1:
# print('自动解包')
ret = ret[0] # 自动解包
return ret or []
if __name__ == '__main__':
import requests
from parsel import Selector
url = 'http://360yy.cn'
jsp = jsoup(url)
def pdfa2(html,parse):
if not parse:
return []
if parse.find('&&') > -1:
parse = parse.split('&&') # 带&&的重新拼接
# print(f"{parse[0]},{self.test(':eq|:lt|:gt', parse[0])}")
# parse = ' '.join([parse[i] if self.test(':eq|:lt|:gt', parse[i]) or i>=len(parse)-1 else f'{parse[i]}:eq(0)' for i in range(len(parse))])
parse = ' '.join([parse[i] if jsoup().test(':eq|:lt|:gt', parse[i]) or i>=len(parse)-1 else f'{parse[i]}:nth-child(1)' for i in range(len(parse))])
# print(f'pdfa:{parse}')
selector = Selector(text=html)
print(parse)
items = selector.css(parse)
return [str(item) for item in items]
r = requests.get(url)
html = r.text
# parsel 不好用啊,很难实现封装pdfa之类的函数
items = pdfa2(html,'.fed-pops-navbar&&ul.fed-part-rows&&a')
print(items)