up/plagiat_1.v2.py

import os
from difflib import SequenceMatcher
from tqdm import tqdm
import datetime
import requests

# download stopwords corpus, you need to run it once
import nltk
#nltk.download("stopwords")
from nltk.corpus import stopwords
import pymorphy2
from string import punctuation

from thefuzz import fuzz

# ------------------------------- НАСТРОЙКИ ------------
# директория файла (на уровень выше, для структуры репозиториев 2 сем. 2022-23)
BASE_DIR = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
# проверяемая директория
# LECTION_DIR = os.path.join("ISRPO", "Лекции")
LECTION_DIR = os.path.join("EASvZI", "Лекции")
# LECTION_DIR = os.path.join("TZI", "Лекции", "ПМ3.2")

# кого проверяем
who = "Савкин"
# ссылка для проверки
url = "http://213.155.192.79:3001/blvk032get/EASvZI/raw/bfb65053795a35785a8cefb1a261cfe3e5d17112/%d0%9b%d0%b5%d0%ba%d1%86%d0%b8%d0%b8/1.2.300_%d0%a1%d1%82%d0%b0%d0%b4%d0%b8%d0%b8_%d0%b6%d0%b8%d0%b7%d0%bd%d0%b5%d0%bd%d0%bd%d0%be%d0%b3%d0%be_%d1%86%d0%b8%d0%ba%d0%bb%d0%b0_%d0%90%d0%98%d0%a1/Bulavko.md"

# ------------------------------- / НАСТРОЙКИ ------------













#Create lemmatizer and stopwords list
morph = pymorphy2.MorphAnalyzer()
russian_stopwords = stopwords.words("russian")

#Preprocess function
def preprocess_text(text):
    translator = str.maketrans(punctuation, ' '*len(punctuation))
    words = text.translate(translator)
    words = words.lower().split()
    
    # очистка от прилегающего к слову мусора (слово, "или так")
    clear_words = []
    for word in words:
        clear_word = ""
        for s in word:
            if not s in punctuation:
                clear_word = clear_word + s
        clear_words.append(clear_word)
    tokens = []
    tokens = [morph.parse(token)[0].normal_form for token in clear_words if token not in russian_stopwords\
            and token != " " \
            and token.strip() not in punctuation \
            ]

    text = " ".join(tokens)    
    return tokens, text






print()

now = datetime.datetime.now().strftime('%d-%m-%Y %H:%M')
out_str = f"Проверка: {who}, время проверки: {now} \n"
# print(out_str)

response = requests.get(url)
post_html = response.text

post_list = post_html.split("\n")

# проверяем правильность оформления 1й строки
header_exist = True
line_1 = post_list[0]
if (line_1[0:2]) != "# ":
    print(f"Заголовок статьи не найден: {ord(line_1[0:1])} {ord(line_1[1:2])} вместо {ord('#')} {ord(' ')}")
    header_exist = False

# наличие вопросов и списка литературы
quest_exist = False
source_exist = False
for post_line in post_list:
    if (post_line[0:2] == "##"):
        if ("Вопросы" in post_line):
            quest_exist = True
        if ("Список" in post_line) and ("литературы" in post_line):
            source_exist = True
if not (quest_exist):
    print("Вопросы не найдены")
if not (source_exist):
    print("Список литературы не найден")


header_text = line_1.replace("# ", "")
header_text = header_text.replace(".", "")
header_text = header_text.strip()

# ищем другие лекции по этой теме
readme_path = os.path.join(BASE_DIR, LECTION_DIR, "README.md")
try:
    with open(readme_path, encoding="utf-8") as f:
        readme_html = f.read()
except:
    with open(readme_path, encoding="cp1251") as f:
        readme_html = f.read()

lection_exist = False
variants_exist = False
in_lections = False # начало поиска вариантов
readme_list = readme_html.split("\n")
for readme_str in readme_list:
    readme_str = readme_str.strip()
    readme_str_list = readme_str.split(" ")
    lection_number = readme_str_list[0]
    readme_str_list.pop(0)
    name_str = " ".join(readme_str_list)
    name_str = name_str.replace(".", "")
    name_str = name_str.strip()

    if len(name_str)>0:
        """
        print(lection_number)
        print(name_str)
        print(header_text)
        print(f"{ord(name_str[0:1])} {ord(name_str[1:2])} {ord(name_str[2:3])} вместо {ord(header_text[0:1])} {ord(header_text[1:2])} {ord(header_text[2:3])}")
        print(fuzz.partial_ratio(name_str, header_text))
        print()
        """
        if (str(name_str) == str(header_text)):
            print("Лекция найдена в readme")
            lection_exist = True
            in_lections = True

            post_tokens, post_uniq_text = preprocess_text(post_html)
            print(f"количество уникальных слов: {len(set(post_tokens))}")
            print()



    # ищем конец списка вариантов лекций (пустая строка)
    if lection_exist:
        if (readme_str == ""):
            in_lections = False

    # следующие после названия лекции строки
    if in_lections and (str(name_str) != str(header_text)):
        variants_exist = True
        variant_name, t = readme_str.split("]")
        variant_name = variant_name.strip("[")
        print(f"проверяю {variant_name}")
        t, variant_uri = readme_str.split("(")
        variant_uri = variant_uri.replace("),", "")
        variant_uri = variant_uri.replace(")", "")
        variant_uri = variant_uri.strip()
        
        variant_path = os.path.join(BASE_DIR, LECTION_DIR, variant_uri)
        try:
            with open(variant_path, encoding="utf-8") as f:
                variant_html = f.read()
        except:
            with open(variant_path, encoding="cp1251") as f:
                variant_html = f.read()

        variant_tokens, variant_uniq_text = preprocess_text(variant_html)
        print(f"количество уникальных слов варианта: {len(set(variant_tokens))}")

        # пересечение множеств 
        min_tokens_len = min([len(set(post_tokens)), len(set(variant_tokens))])
        c = list(set(post_tokens) & set(variant_tokens))
        ratio = (1 - (len(c) / min_tokens_len)) * 100
        print(f"количество совпадающих слов: {len(c)} / {ratio:.2f}%")
        print()

if not(lection_exist):
    print("Лекция не найдена в readme")
if not(variants_exist):
    print("Вариантов не найдено")


exit()
files_paths = []
dirs = os.listdir(BASE_DIR)
for dir in dirs:
    dir_path = os.path.join(BASE_DIR, dir)
    if os.path.isdir(dir_path) and (dir != "__pycache__"):
        files = os.listdir(dir_path)
        for file in files:
            file_path = os.path.join(BASE_DIR, dir, file)
            filename, fileext = os.path.splitext(file)

            if os.path.isfile(file_path) and (fileext=='.md'):
                files_paths.append(file_path)

out_str = ""
max_ratio = 0
max_ratio_file = ""
for file_1 in tqdm(files_paths):
    small_filename_1 = str(file_1).replace(BASE_DIR, "").strip("\\")
    try:
        with open(file_1, encoding="utf-8") as f_1:
            str1 = f_1.read()
    except:
        with open(file_1, encoding="cp1251") as f_1:
            str1 = f_1.read()
            f_1.close()
        with open(file_1, 'w', encoding="utf-8") as f_1:
            f_1.write(str1)
            f_1.close()
                    


    ratio = int(SequenceMatcher(None, str1.lower(), post_html.lower()).ratio() * 100)
    if (ratio > 70):
        out_str += f"{small_filename_1}\n"
        out_str += f"ratio = {ratio}\n"
    if (ratio > max_ratio):
        max_ratio = ratio
        max_ratio_file = small_filename_1

print(out_str)
print()
print(f"max ratio: {max_ratio}%")
print(f"max ratio file: {max_ratio_file}")
print("success")