diff options
Diffstat (limited to 'lib.py')
| -rw-r--r-- | lib.py | 42 |
1 files changed, 29 insertions, 13 deletions
@@ -1,22 +1,31 @@ import os import io import re +import sys from http.server import HTTPServer, BaseHTTPRequestHandler posts = {} gets = {} def find_get(path): + """ [Internal] - Used by the Handler class to try and + find the correct handler for a GET request. + """ try: return gets[path]() - except KeyError: + except Exception as e: + print(type(e), e) return "404" def find_post(path, request): + """ [Internal] - Used by the Handler class to try and + find the correct handler for a POST request. + """ try: return posts[path](request) - except KeyError: + except Exception as e: + print(type(e), e) return "404" def get_relative_path(): @@ -39,7 +48,7 @@ def read_html(relative_file_path): return html_content def inject_external_files(html_content): - """ Replaces {{ 'file_path' }} with the file content of that file + """ [Internal] - Replaces {{ 'file_path' }} with the file content of that file path. Useful for seperation of javascript and css files. Uses regex to capture the pattern. Here is a link to see how it works: https://regex101.com/r/v917NK/2 @@ -67,8 +76,8 @@ def inject_external_files(html_content): def post(route = '/'): """ A decorator that takes in the route path as argument, and then puts the post handler in the dictionary, with the route as a key. - The handler will receive one argument called 'body', where the body - of the post request will exist. """ + The handler will receive one `str` argument called 'body', + where the body of the post request will exist. """ def decorator(handler_function): posts[route] = handler_function @@ -89,19 +98,25 @@ def get(route = '/'): # Explanation: https://blog.anvileight.com/posts/simple-python-http-server/ + class Handler(BaseHTTPRequestHandler): - """ The class responsible for handling all the - different requests made to our server + """ [Internal] - The class responsible for handling all the + different requests made to our server. """ def _set_headers(self): - """ Standard header stuff that has to be done """ + """ Sets the headers for a response. This is to tell the browser + the status of the request that was sent. '200' means that everything + went fine. + """ self.send_response(200) self.send_header("Content-type", "text/html") self.end_headers() def do_GET(self): - """ Just serve up our one and only html page """ + """ Tries to find the handler for this GET request. The handler can + return either `bytes` or `str`. + """ self._set_headers() res = find_get(self.path) if hasattr(res, 'encode'): @@ -111,20 +126,21 @@ class Handler(BaseHTTPRequestHandler): def do_POST(self): - """ An async ajax request. Find the function from 'posts.py' to handle this - particular request. + """ Tries to find the handler for this POST request. The handler + will get the 'body' of the request as the argument. The body + is a `str`, formatted in JSON. """ self.send_response(200) self.end_headers() content_length = int(self.headers['Content-Length']) body = self.rfile.read(content_length) - res = find_post(self.path, body) + res = find_post(self.path, body.decode('utf-8')) self.wfile.write(res.encode()) def run_server (port = 8314): server_adress = ('', port) # Should make the port a command line argument server = HTTPServer(server_adress, Handler) - print(f'Starting server on port: {port}.') + print('Starting server on port: {}.'.format(port)) server.serve_forever()
\ No newline at end of file |