Article directory
file structure:
├── server.py
├── utils.py
├── pages
└── index.html
└── templates
└── info.html
utils.pydocument:
PAGE_ROOT = './pages'
TEMPLATE_ROOT = './templates'
def load_html(file_name, start_response, root=PAGE_ROOT):
"""
加载HTML文件时调用的方法
:param file_name: 需要加载的HTML文件
:param start_response: 函数，用来设置响应头。如果找到文件，请求头设置为200,否则设置为410
:param root: HTML文件所在的目录。默认PAGE_ROOT表示静态HTML文件，TEMPLATE_ROOT表示的是模板文件
:return: 读取HTML文件成功的话，返回HTML文件内容；读取失败提示资源被删除
"""
file_name = root + file_name
try:
file = open(file_name, 'rb')
except IOError:
start_response('410 GONE', [('Content-Type', "text/html;charset=utf-8")])
return ['资源被删除了'.encode('utf-8')]
else:
start_response('200 OK', [('Content-Type', "text/html;charset=utf-8")])
content = file.read()
return [content]
def load_template(file_name, start_respone, **kwargs):
"""
加载模板文件
:param file_name: 需要加载的模板文件名
:param start_respone: 函数，用来设置响应头。如果找到文件，请求头设置为200,否则设置为410
:param kwargs: 用来设置模板里的变量
:return: 读取HTML文件成功的话，返回HTML文件内容；读取失败提示资源被删除
"""
content = load_html(file_name, start_respone, root=TEMPLATE_ROOT)
html = content[0].decode('utf-8')
if html.startswith('<!DOCTYPE html>'):
return [html.format(**kwargs).encode('utf-8')]
else:
return content
service.pydocument:
from wsgiref.simple_server import make_server
from utils import load_html, load_template
def show_home(start_response):
return load_html('/index.html', start_response)
def show_test(start_response):
start_response('200 OK', [('Content-Type', "text/html;charset=utf-8")])
return ['我是一段普通的文字'.encode('utf-8')]
def show_info(start_response):
return load_template('/info.html', start_response, name='张三', age=18)
def application(environ, start_response):
path = environ.get('PATH_INFO')
# 处理首页请求(加载一个HTML文件)
if path == '/' or path == '/index.html':
result = show_home(start_response)
return result
# 处理test.html请求(返回一个普通的字符串)
elif path == '/test.html':
return show_test(start_response)
# 处理info.html请求(加载一个模板并且返回)
elif path == '/info.html':
return show_info(start_response)
# 其它请求暂时无法处理，返回404
else:
start_response('400 NOT FOUND', [('Content-Type', "text/html;charset=utf-8")])
return ['页面未找到'.encode('utf-8')]
httpd = make_server('', 8000, application)
print("Serving HTTP on port 8000...")
httpd.serve_forever()
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