From 9afc956d01fcf70070100ae230bb9c102289e05a Mon Sep 17 00:00:00 2001
From: Albert Tan <s22505@ykpaoschool.cn>
Date: Tue, 7 Mar 2023 20:19:27 +0800
Subject: v1.2

---
 review_it.py | 63 +++++++++++++++++++++++++++++++++++++++---------------------
 1 file changed, 41 insertions(+), 22 deletions(-)

diff --git a/review_it.py b/review_it.py
index 7d70e11..1db5d38 100644
--- a/review_it.py
+++ b/review_it.py
@@ -1,11 +1,12 @@
 '''
 Updated:
-- More flexibility when judging whether answer is correct
-
-To be updated:
 - Better ways to check syntax
 - Let user judge whether answer is correct
 - Zero / single / plural in final output
+
+To be updated:
+- Learn answers
+- Make orders not matter
 - Remove unnecessary spaces or line breaks in input file
 - Better ways to handle each line
 - Answer judged correct if contains keyword
@@ -24,33 +25,33 @@ try:
 
 
     def check_string(line):
-        return bool(re.match("[!#-~] [\w\d\s]*", line))
+        return bool(re.match("([-~] [\w\d\s\?\.\"\(\)\[\]\{\}!,;'/]*\Z)|(! version: \d+\.?\d*\s?\Z)|(# [\w\d\s\?\.\"\(\)\[\]\{\}!,;'/]*: [\w\d\s\?\.\"\(\)\[\]\{\}!,;'/]*\Z)", line))
 
 
     def compare_string(answer, response):
-        diff = difflib.ndiff(answer, response)
+        diff = list(difflib.ndiff(answer, response))
         diff_count = 0
         for line in diff:
             if line[0] != " ":
                 diff_count += 1
-        return 1 - (diff_count / len(response))
+        return round(1 - (diff_count / len(diff)), 4)*100
 
 
     file_name = input("Enter file name (with postfix) >> ")
     if file_name == "":
-        file_name = "test_1.1.rvwt"
+        file_name = "test_1.2.rvwt"
     with open(file_name) as f:
         data = f.readlines()
     count_prompts = 0
     count_correct = 0
-    correct_param = 0.66
+    correct_param = 0.8
     incorrect = []
 
 
     if len(data) == 0:
         raise Exception("Error: file empty")
-        
-    if data.pop(0).split(".")[0] != "! version: 1":
+    
+    if data.pop(0).split(".")[0].replace("\n", "") != "! version: 1":
         raise Exception("Error: file version not provided or does not match")
 
     for line_index in range(len(data)):
@@ -68,8 +69,6 @@ try:
         elif line[0] == "#":
             count_prompts += 1
             line = line[2:].split(":")
-            if len(line) != 2:
-                raise Exception(f"Error: invalid syntax at line {line_index+2} of file '{file_name}'")
             prompt = line[0]
             answer = line[1][1:-1]
             response = input(prompt + ">> ")
@@ -77,29 +76,49 @@ try:
                 print("Correct")
                 count_correct += 1
             elif compare_string(response.lower(), answer.lower()) >= correct_param:
-                print(f"Probably correct: answer is '{answer}', similarity {round(compare_string(response.lower(), answer.lower()), 4)*100}%")
-                count_correct += 1
+                print(f"Probably correct: answer is '{answer}', similarity {round(compare_string(response.lower(), answer.lower()), 4)}%")
+                judge = input("Is your answer correct? [y/n] ").lower()
+                if judge == 'n': 
+                    incorrect.append((prompt, answer))
+                else: 
+                    count_correct += 1
+                    if judge != "y":
+                        print("Warning: invalid input, answer judged as correct")
             else:
-                print(f"Incorrect: answer is '{answer}'")
-                incorrect.append((prompt, answer))
+                print(f"Probably incorrect: answer is '{answer}', similarity {round(compare_string(response.lower(), answer.lower()), 4)}%")
+                judge = input("Is your answer correct? [y/n] ").lower()
+                if judge == 'y': 
+                    count_correct += 1
+                else: 
+                    incorrect.append((prompt, answer))
+                    if judge != "n":
+                        print("Warning: invalid input, answer judged as incorrect")
         else:
             continue
 
-
-    print(f"\n\nOut of {count_prompts} questions, {count_correct} were answered correctly, which is {round(count_correct / count_prompts, 4)*100}%. ")
+    if count_prompts <= 1:
+        print(f"\n\nOut of {count_prompts} question, ", end="")
+    else:
+        print(f"\n\nOut of {count_prompts} questions, ", end="")
+    if count_correct <= 1: 
+        print(f"{count_correct} was answered correctly, ", end="")
+    else: 
+        print(f"{count_correct} were answered correctly, ", end="")
+    print(f"which is {round(count_correct / count_prompts, 4)*100}%. ")
 
     if count_prompts == count_correct:
         print("Congratulations for finishing perfectly! ")
     else: 
-        print(f"The questions with incorrect responses are listed below: \n")
+        if count_prompts - count_correct <= 1: 
+            print(f"The question with incorrect response is listed below: \n")
+        else: 
+            print(f"The questions with incorrect responses are listed below: \n")
         for line in incorrect:
             (prompt, answer) = line
             print(prompt + "-> " + answer)
 
 
 except Exception as e:
-    print("\n" + str(e))
+    print("\nException: " + str(e))
 except KeyboardInterrupt:
     print("\nProcess quitted")
-except BaseException as e:
-    print("\nException: " + str(e))
-- 
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