All tests pass.

http_server.py

@@ -1,6 +1,8 @@
 import socket
 import sys
 import traceback
+import mimetypes
+import os.path
 
 def response_ok(body=b"This is a minimal response", mimetype=b"text/plain"):
     """
@@ -19,21 +21,38 @@ def response_ok(body=b"This is a minimal response", mimetype=b"text/plain"):
         '''
     """
 
-    # TODO: Implement response_ok
-    return b""
+    response = b"\r\n".join([
+        b"HTTP/1.1 200 OK",
+        b"Content-Type: " + mimetype,
+        b"",
+        body
+    ])
+
+    return response
+
 
 def response_method_not_allowed():
     """Returns a 405 Method Not Allowed response"""
 
-    # TODO: Implement response_method_not_allowed
-    return b""
+    response = b"\r\n".join([
+        b"HTTP/1.1 405 METHOD NOT ALLOWED",
+        b"",
+        b"You're not allowed to do that on here."
+    ])
+
+    return response
 
 
 def response_not_found():
     """Returns a 404 Not Found response"""
 
-    # TODO: Implement response_not_found
-    return b""
+    response = b"\r\n".join([
+        b"HTTP/1.1 404 NOT FOUND",
+        b"",
+        b"Requested resource could not be found."
+    ])
+
+    return response
 
 
 def parse_request(request):
@@ -44,8 +63,12 @@ def parse_request(request):
     NotImplementedError if the method of the request is not GET.
     """
 
-    # TODO: implement parse_request
-    return ""
+    method, path, version = request.split("\r\n")[0].split(" ")
+
+    if method != "GET":
+        raise NotImplementedError
+    print(path)
+    return path
 
 def response_path(path):
     """
@@ -74,9 +97,10 @@ def response_path(path):
         response_path('/a_page_that_doesnt_exist.html') -> Raises a NameError
 
     """
+    path = "webroot" + path
 
-    # TODO: Raise a NameError if the requested content is not present
-    # under webroot.
+    if not os.path.exists(path):
+        raise NameError
 
     # TODO: Fill in the appropriate content and mime_type give the path.
     # See the assignment guidelines for help on "mapping mime-types", though
@@ -86,14 +110,23 @@ def response_path(path):
     # result of executing `make_time.py`. But you need only return the
     # CONTENTS of `make_time.py`.
 
-    content = b"not implemented"
-    mime_type = b"not implemented"
+    if os.path.isfile(path):
+        with open(path, 'br') as f:
+            content = f.read()
+            content = bytearray(content)
+        mime_type = mimetypes.guess_type(path)[0].encode()
+    elif os.path.isdir(path):
+        files = os.listdir(path)
+        content = b""
+        for f in files:
+            content += f.encode()+b"\r\n"
+        mime_type = b'text/plain'
 
     return content, mime_type
 
 
 def server(log_buffer=sys.stderr):
-    address = ('127.0.0.1', 10000)
+    address = ('localhost', 10000)
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
     sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
     print("making a server on {0}:{1}".format(*address), file=log_buffer)
@@ -119,20 +152,30 @@ def server(log_buffer=sys.stderr):
                 print("Request received:\n{}\n\n".format(request))
 
                 # TODO: Use parse_request to retrieve the path from the request.
-
-                # TODO: Use response_path to retrieve the content and the mimetype,
-                # based on the request path.
-
-                # TODO; If parse_request raised a NotImplementedError, then let
-                # response be a method_not_allowed response. If response_path raised
-                # a NameError, then let response be a not_found response. Else,
-                # use the content and mimetype from response_path to build a 
-                # response_ok.
-                response = response_ok(
-                    body=b"Welcome to my web server",
-                    mimetype=b"text/plain"
-                )
-
+                try:
+                    path = parse_request(request)
+                    content, mime_type = response_path(path)
+                    # TODO: Use response_path to retrieve the content and the mimetype,
+                    # based on the request path.
+
+                    # TODO; If parse_request raised a NotImplementedError, then let
+                    # response be a method_not_allowed response. If response_path raised
+                    # a NameError, then let response be a not_found response. Else,
+                    # use the content and mimetype from response_path to build a 
+                    # response_ok.
+
+                except NotImplementedError:
+                    response = response_method_not_allowed()
+
+                except NameError:
+                    response = response_not_found()
+
+                else:
+                    response = response_ok(
+                        body=content,
+                        mimetype=mime_type
+                    )
+
                 conn.sendall(response)
             except:
                 traceback.print_exc()