Improve documentation, cleanup duplicated code

httplib/parser.py

@@ -3,8 +3,11 @@ import os
 import pathlib
 import re
 import urllib
+from datetime import datetime
+from time import mktime
 from typing import Dict
 from urllib.parse import urlparse, urlsplit
+from wsgiref.handlers import format_date_time
 
 from httplib.exceptions import InvalidStatusLine, InvalidResponse, BadRequest, InvalidRequestLine
 from httplib.httpsocket import FORMAT
@@ -58,7 +61,7 @@ def parse_status_line(line: str):
 
 def parse_request_line(line: str):
     """
-    Parses the specified line as and HTTP request-line.
+    Parses the specified line as an HTTP request-line.
     Returns the method, target as ParseResult and HTTP version from the request-line.
 
     @param line: the request-line to be parsed
@@ -89,6 +92,7 @@ def parse_request_line(line: str):
 def parse_headers(lines):
     """
     Parses the lines from the `lines` iterator as headers.
+
     @param lines: iterator to retrieve the lines from.
     @return: A dictionary with header as key and value as value.
     """
@@ -218,3 +222,12 @@ def get_relative_save_path(path: str):
     root = pathlib.PurePath(os.getcwd())
     rel = path_obj.relative_to(root)
     return str(rel)
+
+
+def get_date():
+    """
+    Returns a string representation of the current date according to RFC 1123.
+    """
+    now = datetime.now()
+    stamp = mktime(now.timetuple())
+    return format_date_time(stamp)