webpy demo核心代码

   
   
   
   

    
    
    
    #
    
    
    
     -*-encoding:utf-8 -*-
    
    
    
    

    
    
    
    

    
    
    
    """
    
    
    
    Basic Blog using webpy 0.3 
    
    
    
    """
    
    
    
    


    
    
    
    import
    
    
    
     web

    
    
    
    import
    
    
    
     config

    
    
    
    import
    
    
    
     controllers

 

app
    
    
    
    =
    
    
    
     web.application(config.urls,globals())


    
    
    
    if
    
    
    
     
    
    
    
    __name__
    
    
    
     
    
    
    
    ==
    
    
    
    '
    
    
    
    __main__
    
    
    
    '
    
    
    
    :
 app.run()
 



    
    
    
    class
    
    
    
     Index:
 
 
    
    
    
    def
    
    
    
     GET(self): 
 web.header(
    
    
    
    '
    
    
    
    Content-Type
    
    
    
    '
    
    
    
    ,
    
    
    
    '
    
    
    
    text/html;charset=UTF-8
    
    
    
    '
    
    
    
    )
 web.setcookie(
    
    
    
    "
    
    
    
    age
    
    
    
    "
    
    
    
    ,
    
    
    
    30
    
    
    
    )
 
 posts
    
    
    
    =
    
    
    
    model.get_posts() 
 
    
    
    
    return
    
    
    
     render.index(posts,web.cookies())
 

    
    
    
    class
    
    
    
     View:
 
 
    
    
    
    def
    
    
    
     GET(self,id):
 
    
    
    
    """
    
    
    
     View sing post 
    
    
    
    """
    
    
    
    
 post
    
    
    
    =
    
    
    
     model.get_post(int(id))
 
    
    
    
    print
    
    
    
     datetime.datetime.strptime(
    
    
    
    '
    
    
    
    2009-9-9 16:56:58
    
    
    
    '
    
    
    
    ,
    
    
    
    '
    
    
    
    %Y-%m-%d %H:%M:%S
    
    
    
    '
    
    
    
    )
 
    
    
    
    print
    
    
    
     datetime.datetime.now().strftime(
    
    
    
    '
    
    
    
    %Y-%m-%d %H:%M:%S
    
    
    
    '
    
    
    
    )
 
    
    
    
    return
    
    
    
     render.view(post)
 

    
    
    
    class
    
    
    
     New:
 
    
    
    
    #
    
    
    
    vtitle = web.form.regex(r".{3,20}$", '标题长度3到20位字符') 
    
    
    
    

    
    
    
     form
    
    
    
    =
    
    
    
    web.form.Form(
 web.form.Textbox(
    
    
    
    '
    
    
    
    title
    
    
    
    '
    
    
    
    ,web.form.notnull,
 size
    
    
    
    =
    
    
    
    30
    
    
    
    , 
 description
    
    
    
    =
    
    
    
    u
    
    
    
    "
    
    
    
    标题
    
    
    
    "
    
    
    
    ),
 web.form.Textarea(
    
    
    
    '
    
    
    
    content
    
    
    
    '
    
    
    
    ,web.form.notnull,
 rows
    
    
    
    =
    
    
    
    30
    
    
    
    ,cols
    
    
    
    =
    
    
    
    80
    
    
    
    ,
 description
    
    
    
    =
    
    
    
    u
    
    
    
    "
    
    
    
    内容
    
    
    
    "
    
    
    
    ),
 web.form.Button(
    
    
    
    '
    
    
    
    submit
    
    
    
    '
    
    
    
    ,type
    
    
    
    =
    
    
    
    "
    
    
    
    submit
    
    
    
    "
    
    
    
    ,html
    
    
    
    =
    
    
    
    u
    
    
    
    '
    
    
    
    提交
    
    
    
    '
    
    
    
    ),
 
 
 )
 
 
 
    
    
    
    def
    
    
    
     GET(self):
 form
    
    
    
    =
    
    
    
     self.form()
 
 
    
    
    
    return
    
    
    
     render.new(form)
 
 
    
    
    
    def
    
    
    
     POST(self):
 form 
    
    
    
    =
    
    
    
     self.form()
 
    
    
    
    if
    
    
    
     
    
    
    
    not
    
    
    
     form.validates():
 
    
    
    
    return
    
    
    
     render.new(form)
 model.new_post(form.d.title,form.d.content)
 
    
    
    
    raise
    
    
    
     web.seeother(
    
    
    
    '
    
    
    
    /
    
    
    
    '
    
    
    
    )
 

    
    
    
    class
    
    
    
     Delete:
 
    
    
    
    def
    
    
    
     POST(self,id):
 model.del_post(int(id))
 
    
    
    
    raise
    
    
    
     web.seeother(
    
    
    
    '
    
    
    
    /
    
    
    
    '
    
    
    
    )
 

    
    
    
    class
    
    
    
     Edit:
 
 
    
    
    
    def
    
    
    
     GET(self,id):
 post 
    
    
    
    =
    
    
    
     model.get_post(int(id))
 form
    
    
    
    =
    
    
    
     New.form()
 form.fill(post)
 
    
    
    
    return
    
    
    
     render.edit(post,form)
 
 
    
    
    
    def
    
    
    
     POST(self,id):
 form
    
    
    
    =
    
    
    
    New.form()
 post 
    
    
    
    =
    
    
    
     model.get_post(int(id))
 
    
    
    
    if
    
    
    
     
    
    
    
    not
    
    
    
     form.validates():
 
    
    
    
    return
    
    
    
     render.edit(post,form)
 model.update_post(int(id),form.d.title,form.d.content)
 
    
    
    
    raise
    
    
    
     web.seeother(
    
    
    
    '
    
    
    
    /
    
    
    
    '
    
    
    
    )
 

    
    
    
    def
    
    
    
     notfound(): 
 
    
    
    
    return
    
    
    
     web.notfound(
    
    
    
    "
    
    
    
    Sorry, the page you were looking for was not found.
    
    
    
    "
    
    
    
    ) 

 


 
 
 

 
   
   
   
   

model.py

   
   
   
   

    
    
    
    import
    
    
    
     web,datetime
db
    
    
    
    =
    
    
    
     web.database(dbn
    
    
    
    =
    
    
    
    '
    
    
    
    sqlite
    
    
    
    '
    
    
    
    ,db
    
    
    
    =
    
    
    
    '
    
    
    
    blog.db
    
    
    
    '
    
    
    
    )


    
    
    
    def
    
    
    
     get_posts():
 
    
    
    
    return
    
    
    
     db.select(
    
    
    
    '
    
    
    
    entries
    
    
    
    '
    
    
    
    ,order
    
    
    
    =
    
    
    
    '
    
    
    
    id desc
    
    
    
    '
    
    
    
    )


    
    
    
    def
    
    
    
     get_post(id):
 
    
    
    
    try
    
    
    
    :
 
    
    
    
    return
    
    
    
     db.select(
    
    
    
    '
    
    
    
    entries
    
    
    
    '
    
    
    
    ,where
    
    
    
    =
    
    
    
    '
    
    
    
    id=$id
    
    
    
    '
    
    
    
    ,vars
    
    
    
    =
    
    
    
    locals())[0] 
 
    
    
    
    except
    
    
    
     IndexError:
 
    
    
    
    return
    
    
    
     None


    
    
    
    def
    
    
    
     new_post(title,text):
 
 db.insert(
    
    
    
    '
    
    
    
    entries
    
    
    
    '
    
    
    
    ,title
    
    
    
    =
    
    
    
    title,content
    
    
    
    =
    
    
    
    text,post_on
    
    
    
    =
    
    
    
    datetime.datetime.utcnow())
 

    
    
    
    def
    
    
    
     del_post(id):
 db.delete(
    
    
    
    '
    
    
    
    entries
    
    
    
    '
    
    
    
    ,where
    
    
    
    =
    
    
    
    "
    
    
    
    id=$id
    
    
    
    "
    
    
    
    ,vars
    
    
    
    =
    
    
    
    locals())
 

    
    
    
    def
    
    
    
     update_post(id,title,text):
 db.update(
    
    
    
    '
    
    
    
    entries
    
    
    
    '
    
    
    
    ,where
    
    
    
    =
    
    
    
    "
    
    
    
    id=$id
    
    
    
    "
    
    
    
    ,vars
    
    
    
    =
    
    
    
    locals(),
 title
    
    
    
    =
    
    
    
    title,content
    
    
    
    =
    
    
    
    text)