PyQuery 노트

1. 초기화
1.1 문자열 초기화

from pyquery import PyQuery as py

html = '''

    

         
first item

         
second item

         
third item

         
fourth item

         
fifth item

     
 

'''

doc = py(html)
print(doc('li'))

1.2 URL 초기화

from pyquery import PyQuery as py

#   URL   
doc = py(url='http://www.baidu.com')
# 
print(type(doc('title')))
#      head  
print(doc('head'))

1.3 파일의 초기화

from pyquery import PyQuery as py

#        
doc = py(filename='demo1.html')
# 
print(type(doc('li')))
#      li  
print(doc('li'))

2. 기본 CSS 선택기

from pyquery import PyQuery as py

html = '''

    

         
first item

         
second item

         
third item

         
fourth item

         
fifth item

     
 

'''

doc = py(html)
#   id container  class list  li  
print(doc('#container .list li'))

3. 요소 찾기
3.1 서브 요소

from pyquery import PyQuery as py

html = '''

    

         
first item

         
second item

         
third item

         
fourth item

         
fifth item

     
 

'''
doc = py(html)
#   class list   
items = doc('.list')
# 
print(type(items))
print(items)
#            li  
lis = items.find('li')
# 
print(type(lis))
print(lis)
#                 
lis2 = items.children()
print(type(lis2))
print(lis2)
#            class active   
li3 = items.children('.active')
print(li3)

3.2 부모 요소

from pyquery import PyQuery as py

html = '''

    

         
first item

         
second item

         
third item

         
fourth item

         
fifth item

     
 

'''
doc = py(html)
#   class list   
items = doc('.list')
#           
container = items.parent()
print(type(container))
print(container)
print("==========================")
#             
parents = items.parents()
print(type(parents))
print(parents)
print("==========================")
#              class container   
parent = items.parents('.container')
print(parent)

3.3 형제 요소

from pyquery import PyQuery as py

html = '''

    

         
first item

         
second item

         
third item

         
fourth item

         
fifth item

     
 

'''
doc = py(html)
#   class list   
items = doc('.list')
li = doc('.list .item-0.active')
#              (     )
print(li.siblings())
#               class active   (     )
print(li.siblings('.active'))

4、두루
4.1 개별 요소

from pyquery import PyQuery as py

html = '''

    

         
first item

         
second item

         
third item

         
fourth item

         
fifth item

     
 

'''
doc = py(html)

#         
li = doc('.item-0.active')
print(li)

4.2 여러 요소

from pyquery import PyQuery as py

html = '''

    

         
first item

         
second item

         
third item

         
fourth item

         
fifth item

     
 

'''
doc = py(html)

#     li  
lis = doc('li').items()
# 
print(type(lis))
forli inlis:
    print(li)

5. 정보 얻기
5.1 속성 획득

from pyquery import PyQuery as py

html = '''

    

         
first item

         
second item

         
third item

         
fourth item

         
fifth item

     
 

'''
doc = py(html)
a = doc('.item-0.active a')
# third item
print(a)
# link3.html           href  
print(a.attr('href'))
# link3.html
print(a.attr.href)

5.2 텍스트 가져오기

from pyquery import PyQuery as py

html = '''

    

         
first item

         
second item

         
third item

         
fourth item

         
fifth item

     
 

'''
doc = py(html)
a = doc('.item-0.active a')
# third item
print(a)
#   a     
print(a.text())

5.3 HTML 가져오기

from pyquery import PyQuery as py

html = '''

    

         
first item

         
second item

         
third item

         
fourth item

         
fifth item

     
 

'''
doc = py(html)
li = doc('.item-1.active')
# 
fourth item

print(li)
#   li   HTML
print(li.html())

6. DOM 작업
6.1、addClass、removeClass

from pyquery import PyQuery as py

html = '''

    

         
first item

         
second item

         
third item

         
fourth item

         
fifth item

     
 

'''
doc = py(html)
li = doc('.item-0.active')
print(li)
#   class
li.removeClass('active')
print(li)
#   class
li.addClass('active')
print(li)

6.2、attr、css

from pyquery import PyQuery as py

html = '''

    

         
first item

         
second item

         
third item

         
fourth item

         
fifth item

     
 

'''
doc = py(html)
li = doc('.item-0.active')
print(li)
#   name  
li.attr('name', 'link')
print(li)
#   css  
li.css('font-size', '14px')
print(li)

6.3、remove

from pyquery import PyQuery as py

html = '''

    Hello, World
    
This is a paragraph.

 

'''
doc = py(html)
wrap = doc('.wrap')
print(wrap.text())
#          p     
wrap.find('p').remove()
print(wrap.text())

6.4 기타 DOM 방법
http://pyquery.readthedocs.io/en/latest/api.html
7. 위조 선택기

from pyquery import PyQuery as py

html = '''

    

        

             
first item

             
second item

             
third item

             
fourth item

             
fifth item

         
     

 

'''

doc = py(html)
#      li
li = doc('li:first-child')
print(li)
#       li
li = doc('li:last-child')
print(li)
#      li
li = doc('li:nth-child(2)')
print(li)
#          li
li = doc('li:gt(2)')
print(li)
#       li
li = doc('li:nth-child(2n)')
print(li)
#       second li
li = doc('li:contains(second)')
print(li)

더 많은 선택기
http://www.w3school.com.cn/css/index.asp
8. 공식 문서
http://pyquery.readthedocs.io/