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How to use add_log method in Lemoncheesecake

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Huffman_Coding.py

Source:Huffman_Coding.py

...8        self.ascii_value = ascii_value9        self.freq = freq10        self.left = None  # stores the left child's reference11        self.right = None  # stores the right child's reference12        HeapNode.__log_obj.add_log(f"Heap Node with {self.ascii_value} ascii value initialized")13    # Functions that help us build the min heap14    def __lt__(self, other):15        """overloading the less than operator"""16        return self.freq < other.freq17    def __eq__(self, other):18        """overloads the equal to operator"""19        if other is None:20            return False21        if not isinstance(other, HeapNode):  # Safeguarding ourselves if other is not a HeapNode22            return False23        return self.freq == other.freq24class HuffmanCoding:25    __log_obj = Logger("logs//log.log")26    def __init__(self, path):27        self.path = path28        self.heap = []  # min heap29        self.codes = {}  # mappings between ASCII code and Huffman Codes30        self.reverse_mapping = {}  # mappings b/w Huffman Code and ASCII code31        self.filename, self.file_format = os.path.splitext(self.path)32        HuffmanCoding.__log_obj.add_log("Huffman Code object initialized")33    def make_freq_dict(self, byte_array_data):34        """method to build ASCII value and frequency mappings"""35        try:36            frequency = {}  # dictionary storing ASCII code and frequencies37            for index, item in enumerate(byte_array_data):38                if item not in frequency:39                    frequency[item] = 140                else:41                    frequency[item] += 142            HuffmanCoding.__log_obj.add_log("frequency dictionary created")43            return frequency44        except Exception as e:45            HuffmanCoding.__log_obj.add_log("Error occured in make_freq_dict function")46            HuffmanCoding.__log_obj.add_log(str(e))47    def make_heap(self, frequency):48        """build the min heap, which helps us in creating the Huffman Tree"""49        try:50            for ascii_value in frequency:51                node = HeapNode(ascii_value, frequency[ascii_value])  # Creating node of Heap Node52                heapq.heappush(self.heap, node)53            HuffmanCoding.__log_obj.add_log("make heap function completed")54        except Exception as e:55            HuffmanCoding.__log_obj.add_log("Error occured in make_heap function")56            HuffmanCoding.__log_obj.add_log(str(e))57    def merge_codes(self):58        """creates the Huffman Tree. Also save the root in heap"""59        try:60            while len(self.heap) > 1:61                node1 = heapq.heappop(self.heap)  # get the top most node62                node2 = heapq.heappop(self.heap)  # get the top most node63                newNode = HeapNode(None, node1.freq + node2.freq)  # create a new node with frequencies of the64                # two nodes65                # newNode becomes the parent of node1 and node266                newNode.left = node167                newNode.right = node268                # push newNode back into the heap69                heapq.heappush(self.heap, newNode)70                HuffmanCoding.__log_obj.add_log("merge codes function executed")71        except Exception as e:72            HuffmanCoding.__log_obj.add_log("error occurred in merge_codes function.")73            HuffmanCoding.__log_obj.add_log(str(e))74    def make_codes_helper(self, node, current_code):75        """helper function to build huffman tree codes"""76        try:77            if node is None:  # reached the leaf node78                return79            if node.ascii_value is not None:  # code can be built for this ASCII Value80                self.codes[node.ascii_value] = current_code81                self.reverse_mapping[current_code] = node.ascii_value82            # recursive call83            self.make_codes_helper(node.left, current_code + "0")  # call on the left child84            self.make_codes_helper(node.right, current_code + "1")  # call on the right child85        except Exception as e:86            HuffmanCoding.__log_obj.add_log("error occurred in make_codes_helper function")87            HuffmanCoding.__log_obj.add_log(str(e))88    def make_codes(self):89        """function to make codes from the Huffman Tree. We will make this recursive."""90        try:91            root = heapq.heappop(self.heap)92            current_code = ""93            self.make_codes_helper(root, current_code)94            HuffmanCoding.__log_obj.add_log("make codes function completed")95        except Exception as e:96            HuffmanCoding.__log_obj.add_log("error occurred in make_codes function")97            HuffmanCoding.__log_obj.add_log(str(e))98    def get_encoded_text(self, byte_array_data):99        """function to encode the ASCII code to the Huffman Codes"""100        try:101            encoded_text = ""102            for index, item in enumerate(byte_array_data):103                encoded_text += self.codes[item]104            HuffmanCoding.__log_obj.add_log("get encoded text function executed")105            return encoded_text106        except Exception as e:107            HuffmanCoding.__log_obj.add_log("Error occurred in get_encoded_text function occured")108            HuffmanCoding.__log_obj.add_log(str(e))109    def pad_encoded_text(self, encoded_text):110        """function to pad the encoded_text so that encoded text is multiple of 8 as 1 bute = 8 bits"""111        try:112            extra_padding = 8 - (len(encoded_text) % 8)113            for i in range(extra_padding):114                encoded_text += "0"115            padded_info = "{0:08b}".format(extra_padding)116            encoded_text = padded_info + encoded_text117            return encoded_text118        except Exception as e:119            HuffmanCoding.__log_obj.add_log("error occurred in pad_encoded_text function")120            HuffmanCoding.__log_obj.add_log(str(e))121    def get_byte_array(self, padded_encoded_text):122        """converts bits to bytes"""123        try:124            b = bytearray()125            for i in range(0, len(padded_encoded_text), 8):126                byte = padded_encoded_text[i:i + 8]127                b.append(int(byte, 2))  # by default base is 10, we want 2 to be the base128            return b129        except Exception as e:130            HuffmanCoding.__log_obj.add_log("Error occurred un get_byte_array function.")131            HuffmanCoding.__log_obj.add_log(str(e))132    def compress(self, output_path):133        """function to compress the file"""134        try:135            output_path += ".bin"136            with open(self.path, 'rb') as file, open(output_path, 'wb') as output:137                text = file.read()  # reading the byte data138                text = text.strip()139                byte_array_data = bytearray(text)  # making byte array140                frequency = self.make_freq_dict(byte_array_data)  # creating mappings b/w ASCII codes and their141                # frequencies142                self.make_heap(frequency)  # creating the min heap143                self.merge_codes()  # creating huffman tree144                self.make_codes()  # creating code for each ASCII code145                encoded_text = self.get_encoded_text(byte_array_data)146                padded_encoded_text = self.pad_encoded_text(encoded_text)147                b = self.get_byte_array(padded_encoded_text)148                output.write(b)149                HuffmanCoding.__log_obj.add_log("compress function executed completely")150        except Exception as e:151            HuffmanCoding.__log_obj.add_log("error occured in compress function")152            HuffmanCoding.__log_obj.add_log(str(e))153    """decompression functions"""154    def remove_padding(self, bit_string):155        """function that removes the padding bits from bit string"""156        try:157            padded_info = bit_string[:8]  # padding bits are added in the first 8 bits158            extra_padding = int(padded_info, 2)  # getting the extra_padding in the form of integer. binary to int159            # conversion done hence base 2160            bit_string = bit_string[8:]  # removing the first 8 bits that store the padded bits161            encoded_text = bit_string[:-1 * extra_padding]  # removing the padded bits162            HuffmanCoding.__log_obj.add_log("remove_padding function executed")163            return encoded_text164        except Exception as e:165            HuffmanCoding.__log_obj.add_log("error in remove_padding function")166            HuffmanCoding.__log_obj.add_log(str(e))167    def decode_text(self, encoded_text):168        """function that converts the Huffman codes to ASCII codes"""169        try:170            current_code = ""171            decoded_byte_data = bytearray()172            for bit in encoded_text:173                current_code += bit174                if current_code in self.reverse_mapping:  # iterate till we get some valid code175                    ascii_code = self.reverse_mapping[current_code]  # recover ASCII code from this Huffman code176                    decoded_byte_data.append(ascii_code)177                    current_code = ""  # reset the current code178            HuffmanCoding.__log_obj.add_log("decode text function executed completely")179            return decoded_byte_data180        except Exception as e:181            HuffmanCoding.__log_obj.add_log("Error in decode_text function")182            HuffmanCoding.__log_obj.add_log(str(e))183    def decompress(self, input_path, output_path):184        """function that decompresses the file"""185        try:186            input_path += ".bin"187            output_path += self.file_format188            with open(input_path, 'rb') as file, open(output_path, 'wb') as output:189                bit_string = ""190                byte = file.read(1)191                while len(byte) > 0:192                    byte = ord(byte)193                    bits = bin(byte)[2:].rjust(8, '0')194                    bit_string += bits195                    byte = file.read(1)196                encoded_text = self.remove_padding(bit_string)197                decoded_byte_data = self.decode_text(encoded_text)198                output.write(decoded_byte_data)199            HuffmanCoding.__log_obj.add_log("Decompress function executed")200            HuffmanCoding.__log_obj.add_log(f"File present at location {output_path}")201        except Exception as e:202            HuffmanCoding.__log_obj.add_log("Error in decompress function")...

FileManipulation.py

Source:FileManipulation.py

...20            if extension in self.__file_system:21                self.__file_system[extension].append(file_name)22            else:23                self.__file_system[extension] = [file_name]24        FileManipulation.__log_obj.add_log("File Manipulation initialized")25    def create_folders(self):26        try:27            """ function that creates folder for each type of file extension"""28            # check if folders folder exits, delete if it does29            if os.path.exists("folders\\"):30                shutil.rmtree("folders\\")  # deleting the folder31            os.mkdir("folders")  # creating the folder which contains separate folder for separate file extension32            FileManipulation.__log_obj.add_log("FOLDERS folder created")33            # creating folders for each file34            for extension in self.__file_system:35                os.mkdir("folders\\" + extension)36                # copying files in the folder37                for individual_file in self.__file_system[extension]:38                    shutil.copyfile(src="staging\\" + individual_file + extension,39                                    dst="folders\\" + extension + "\\" + individual_file + extension)40            FileManipulation.__log_obj.add_log("folder created for each extension in folders folder")41        except Exception as e:42            FileManipulation.__log_obj.add_log("Error in create folder function")43            FileManipulation.__log_obj.add_log(str(e))44    def merge_files_same_extension(self, extension_to_be_merged, final_file_name):45        try:46            """ function that merges all the files with a given extension"""47            final_file = bytearray()  # object storing the bytes of merged file48            for file in self.__file_system[extension_to_be_merged]:49                # iterate over all the files whose extension is "extension to be merged"50                path = "staging\\" + file + extension_to_be_merged51                with open(path, "rb") as file_obj:52                    individual_byte_file = bytearray(file_obj.read())  # read bytes of single file53                    for index, byte in enumerate(individual_byte_file):54                        final_file.append(byte)  # append bytes into final_file55                # writing into final file56                final_path = "Merged_Files\\" + final_file_name + extension_to_be_merged57                with open(final_path, "wb") as file_obj:58                    file_obj.write(final_file)59            FileManipulation.__log_obj.add_log("merged file function successful")60        except Exception as e:61            FileManipulation.__log_obj.add_log("problem in merged file function")62            FileManipulation.__log_obj.add_log(str(e))63    def sort_on_names(self):64        try:65            """function that sorts all the files on the basis of names"""66            sorted_files = []67            for extension in self.__file_system:68                for file in self.__file_system[extension]:69                    sorted_files.append(file)70            FileManipulation.__log_obj.add_log("sort_on_names function successful")71            return sorted(sorted_files)72        except Exception as e:73            FileManipulation.__log_obj.add_log("Problem in sort_on_names function")74            FileManipulation.__log_obj.add_log(str(e))75    def sort_on_size(self):76        try:77            """function that sorts all the files on the basis of size of files"""78            sorted_files_dict = {}79            for extension in self.__file_system:80                for file in self.__file_system[extension]:81                    sorted_files_dict[file] = os.stat("staging\\" + file + extension).st_size82            sorted_files_dict = {k: v for k, v in sorted(sorted_files_dict.items(), key=lambda item: item[1])}83            FileManipulation.__log_obj.add_log("sort_on_size function successful")84            return list(sorted_files_dict.keys())85        except Exception as e:86            FileManipulation.__log_obj.add_log("problem in sort_on_size function")87            FileManipulation.__log_obj.add_log(str(e))88    @staticmethod89    def __patsearching(file_name, pattern):90        try:91            """function that searches for a given pattern in a given file"""92            """implements the naive pattern searching algorithm"""93            """helper function for searching function"""94            m = len(pattern)95            n = len(file_name)96            for i in range(0, n - m + 1):97                j = 098                while j < m:99                    if pattern[j] != file_name[i + j]:100                        break101                    j += 1102                if j == m:103                    return file_name  # Pattern found in this file104            return -1  # Pattern not found in this file105        except Exception as e:106            FileManipulation.__log_obj.add_log("problem in patsearching file")107            FileManipulation.__log_obj.add_log(str(e))108    def searching(self, pattern):109        try:110            """generator function that searches for the files which satisfy a given pattern"""111            for extension in self.__file_system:112                for file in self.__file_system[extension]:113                    x = FileManipulation.__patsearching(file, pattern)114                    if x != -1:115                        yield x116        except Exception as e:117            FileManipulation.__log_obj.add_log("problem in searching algorithm")...

main.py

Source:main.py

...6from game_state_classes import *7from tkinter.simpledialog import askstring8def clear_logs():9    logs_text.delete('1.0', tk.END)10    #add_log("Logs have been cleared:")11def add_log(log):12    logs_text.insert(tk.END,log + "\n")13def stop_playing():14    clear_logs()15    button_start = tk.Button(text="Start playing - RESTART NOT WORKING YET", command =start_playing)16    button_start.grid(column=0,row =1)17def start_playing():18    game_state = Game_state()19    add_log("Looking for a chessboard...")20    found_chessboard, position  = chessboard_detection.find_chessboard()21    if found_chessboard:22        add_log("Found the chessboard " + position.print_custom())23        game_state.board_position_on_screen = position24    else:25        add_log("Could not find the chessboard")26        add_log("Please try again when the board is open on the screen\n")27        return28    29    button_start = tk.Button(text="Stop playing", command =stop_playing)30    button_start.grid(column=0,row =1)31    add_log("Checking if we are black or white...")32    resized_chessboard = chessboard_detection.get_chessboard(game_state)33    #cv2.imshow('Resized image',resized_chessboard)34    game_state.previous_chessboard_image = resized_chessboard35    we_are_white = board_basics.is_white_on_bottom(resized_chessboard)36    game_state.we_play_white = we_are_white37    if we_are_white:38        add_log("We are white" )39        game_state.moves_to_detect_before_use_engine = 040    else:41        add_log("We are black")42        game_state.moves_to_detect_before_use_engine = 143        first_move_registered = False44        while first_move_registered == False:45            first_move_string = askstring('First move', 'What was the first move played by white?')46            if len(first_move_string) > 0:47                first_move = chess.Move.from_uci(first_move_string)48                first_move_registered = game_state.register_move(first_move,resized_chessboard)49        add_log("First move played by white :"+ first_move_string)        50    51    while True:52        window.update()53        #cv2.imshow('Resized image',game_state.previous_chessboard_image)54        #add_log("Moves to detect before use engine" + str(game_state.moves_to_detect_before_use_engine))55        if game_state.moves_to_detect_before_use_engine == 0:56            #add_log("Our turn to play:")57            game_state.play_next_move()58            #add_log("We are done playing")59        60        found_move, move = game_state.register_move_if_needed()61        if found_move:62            clear_logs()63            add_log("The board :\n" + str(game_state.board) + "\n")64            add_log("\nAll moves :\n" + str(game_state.executed_moves))65    66window = tk.Tk()67#window.geometry("300x300")68window.wm_attributes('-topmost', True)69window.title("ChessBot by Stanislas Heili")70label_titre = tk.Label(text="Welcome on my chessbot, hope you will have fun with it",anchor="e", wraplength = 300)#\nThis bot can not work on a game that already started")71label_titre.grid(column = 0,row = 0)72button_start = tk.Button(text="Start playing", command =start_playing)73button_start.grid(column=0,row =1)74logs_text = tk.Text(window,width=40,height=25,background='gray')75logs_text.grid(column = 0,row = 2)...

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