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How to use uncompress method in avocado

Best Python code snippet using avocado_python

DecompressionTool.py

Source:DecompressionTool.py

1# -*- coding: utf-8 -*-23"""4@Author  : LIAN5@Project : ToolComponents6@File    : DecompressionTool.py7@Time    : 2022/03/038@License : (C) Copyright 2022, RoarPanda Corporation.9"""1011"""12è§£åæ¨¡åï¼æ¯æå¤ç§è§£åæ¹æ³ï¼tar,gz,xz,bz2,zip,rar,7zï¼ï¼æ¯æå¤çº§è§£å13åææ·»å ï¼ sudo apt-get install unar / python3.5 rarfile 3.0 14"""1516import datetime17import zipfile18import subprocess19import rarfile20import hashlib21import os22import magic232425class My7z(object):26    file_path = None27    uncompress_password = None2829    def __init__(self, file_path):30        self.file_path = file_path31        if not os.path.exists(self.file_path):32            raise FileNotFoundError3334    def setpassword(self, uncompress_password=None):35        self.uncompress_password = uncompress_password3637    def extractall(self, path=None):38        if path is None:39            path = "CompressFile"40        # uncompress_command = "7z x -o{} -p{} {}".format(path, self.uncompress_password, self.file_path)41        if self.uncompress_password is None or self.uncompress_password == "":42            uncompress_command = "unar -f {} -o {}".format(self.file_path, path)43        else:44            self.uncompress_password = str(self.uncompress_password)45            uncompress_command = "unar -f -p {} {} -o {}".format(self.uncompress_password, self.file_path, path)46        p = subprocess.Popen(uncompress_command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)47        print(p.stdout.read())48        print(p.stderr.read())49        p.communicate()50        print("uncompress status code: ")51        print(p.returncode)52        return p.returncode53        # if p.returncode != 0:54        #     raise Exception("password wrong")555657class TarArchive(object):58    file_path = None5960    def __init__(self, file_path):61        self.file_path = file_path62        if not os.path.exists(self.file_path):63            raise FileNotFoundError6465    def extractall(self, path=None):66        if path is None:67            path = "CompressFile"68        p = subprocess.Popen("tar -xf {} -C {}".format(self.file_path, path),69                             shell=True,70                             stdout=subprocess.PIPE,71                             stderr=subprocess.PIPE)72        p.communicate()73        if p.returncode != 0:74            raise Exception("Extract Error")757677# ä¸ºæä»¶åéå¯¹åºçè§£åç¼©å¯¹è±¡78class UncompressDispatch(object):79    uncompress_obj = None8081    def __init__(self, file_path=None, file_type=None, uncompress_password=None):82        self.fileType = file_type83        self.filePath = file_path84        self.uncompressPassword = uncompress_password85        self.init_uncompress_obj(file_path)8687    def init_uncompress_obj(self, file_path):88        if "zip" == self.fileType.split("/")[-1].strip():89            try:90                self.uncompress_obj = zipfile.ZipFile(file_path)91            except Exception:92                self.fileType = "Unrecognized file type"93                return94            if "AndroidManifest.xml" in self.uncompress_obj.namelist():95                self.fileType = "APK file, Android"96                return97            elif "[Content_Types].xml" in self.uncompress_obj.namelist():98                self.fileType = "Microsoft Office file"99                return100            # Use 7z uncompress method to deal101            self.uncompress_obj = My7z(file_path)102            if self.uncompressPassword is not None:103                self.uncompress_obj.setpassword(self.uncompressPassword)104105        elif self.fileType.split("/")[-1].strip() in ["x-tar", "gzip", "x-xz", "x-bzip2"]:106            # self.uncompress_obj = TarArchive(file_path)107            self.uncompress_obj = My7z(file_path)108109        elif "rar" in self.fileType:110            # self.uncompress_obj = rarfile.RarFile(file_path)111            # if self.uncompressPassword is not None:112            # self.uncompress_obj.extractall(path= ,pwd=self.uncompressPassword)113            self.uncompress_obj = My7z(file_path)114            if self.uncompressPassword is not None:115                self.uncompress_obj.setpassword(self.uncompressPassword)116117        elif "7z" in self.fileType:118            self.uncompress_obj = My7z(file_path)119            if self.uncompressPassword is not None:120                self.uncompress_obj.setpassword(self.uncompressPassword)121122        else:123            pass124125    def extract(self, path=None):126        if "zip" == self.fileType.split("/")[-1].strip():127            return self.uncompress_obj.extractall(path=path)128        elif self.fileType.split("/")[-1].strip() in ["x-tar", "gzip", "x-xz", "x-bzip2"]:129            return self.uncompress_obj.extractall(path=path)130        elif "rar" in self.fileType:131            return self.uncompress_obj.extractall(path=path)132        elif "7z" in self.fileType:133            return self.uncompress_obj.extractall(path=path)134        else:135            pass136137    def rar_extract(self, path=None, extract_dir=None):138        rar = rarfile.RarFile(path)139        if self.uncompressPassword is not None:140            rep = rar.extractall(path=extract_dir, pwd=self.uncompressPassword)141        else:142            rep = rar.extractall(path=extract_dir)143        return rep144145146class UncompressMod(object):147    fileMD5 = None148    zipObj = None149    uncompressObj = None150151    def __init__(self, file_path=None, uncompress_password=None):152153        if os.path.exists(file_path):154            self.filePath = file_path155            self.fileType = self.file_distinguish()156            self.uncompress_password = uncompress_password157            self.uncompressObj = UncompressDispatch(self.filePath,158                                                    self.fileType,159                                                    self.uncompress_password)160            with open(file_path, "rb") as fp:161                md5 = hashlib.md5()162                md5.update(fp.read())163                self.fileMD5 = md5.hexdigest()164            fp.close()165166    def file_distinguish(self):167        magic_obj = magic.Magic(mime=True)168        with open(self.filePath, "rb") as f:169            msg = magic_obj.from_buffer(f.read())170        del magic_obj171        return msg172173    def extract_file(self, extract_path=None):174175        if self.uncompressObj.uncompress_obj is None:176            return None, 1177178        if extract_path is None:179            _, file_name = os.path.split(self.filePath)180            extract_path, _ = os.path.splitext(file_name)181182        tmp_extract_path = extract_path183        if not os.path.exists(tmp_extract_path):184            os.mkdir(tmp_extract_path)185186        try:187            if "rar" in self.fileType:188                uncom_code = self.uncompressObj.rar_extract(path=self.filePath, extract_dir=tmp_extract_path)189                if uncom_code is None:190                    return tmp_extract_path, 0191                else:192                    return uncom_code193            else:194                uncom_code = self.uncompressObj.extract(tmp_extract_path)195            if uncom_code != 0:196                return None, uncom_code197            else:198                return tmp_extract_path, 0199        except Exception as e:200            print(str(e))201            if 'The specified password is incorrect' in str(e) and self.uncompress_password is not None:202                # Password Error203                return None, 1204            # Need Password205            return None, 2206207208class RecursionUncompress(object):209    """210    Main Uncompress Process211    """212213    @staticmethod214    def extract_with_level(file_path, extract_level, uncompress_password=None, extract_dir="tmp_{}_{}"):215        """216        æâextract_levelâççº§çè§£åååº¦è§£åè·¯å¾å¨âfile_pathâä¸çæä»¶217        :param file_path: è¦è§£åæä»¶çè·¯å¾218        :param extract_level: è§£åççº§219        :param uncompress_password: è§£åå¯ç  Bytes220        :return:221        (è§£åå°çä¸»æä»¶å¤¹ï¼è§£åå®æçæä»¶éå)222        """223        compress_file_queue_list = list()224        detect_sample_set = set()225        # Init compressed file list226        compress_file_queue_list.append(file_path)227        is_first = 1228        first_dir = ""229        # Use Queue to deal with breadth-first traversal230        while len(compress_file_queue_list) != 0:231            if extract_level == 0:232                break233            if is_first == 1:234                with open(file_path, "rb") as fp:235                    file_md5 = hashlib.md5(fp.read()).hexdigest()236                fp.close()237                now_time = datetime.datetime.strftime(datetime.datetime.now(), "%Y%m%d%H%M%S")238                base_extract_path = extract_dir.format(now_time, file_md5)239                first_dir = base_extract_path240            else:241                base_extract_path, _ = os.path.split(compress_file_queue_list[-1])242            # Extract compressed file243            extract_file_path = compress_file_queue_list.pop()244            tmp_object = UncompressMod(file_path=extract_file_path, uncompress_password=uncompress_password)245            if None in [tmp_object.filePath, tmp_object.uncompressObj]:246                continue247            tmp_extract_path, e_flag = tmp_object.extract_file(base_extract_path)248            del tmp_object249250            # Can't Extract perhaps have password251            if tmp_extract_path is None:252                # Return Root file253                if is_first == 1:254                    if e_flag == 2:255                        return first_dir, 2256                detect_sample_set.add(extract_file_path)257                continue258259            # Remove compressed file (do not delete the root file)260            if is_first == 0:261                os.remove(extract_file_path)262            else:263                is_first = 0264265            # Record compressed files into queue266            for base_dir, _, files in os.walk(tmp_extract_path):267                for f in files:268                    file_abspath = os.path.join(base_dir, f)269                    tmp_object = UncompressMod(file_abspath)270                    if tmp_object.uncompressObj is None:271                        detect_sample_set.add(file_abspath)272                        del tmp_object273                        continue274                    if tmp_object.uncompressObj.uncompress_obj is not None:275                        compress_file_queue_list.append(file_abspath)276                        if file_abspath != extract_file_path:277                            detect_sample_set.add(file_abspath)278                    else:279                        # Record simple files into detect list280                        detect_sample_set.add(file_abspath)281                    del tmp_object282            extract_level -= 1283        return first_dir, detect_sample_set284285286class CompressedHandler(object):287    """288    åè½ï¼åç¼©æä»¶çè§£å289    æµç¨ï¼1. æ ¡éªæ¯å¦æ¯åç¼©æä»¶ 2. æååæä»¶  3. æåæåï¼ç¶æä»¶åæä»¶æ¨è¿æ£æµå¹¶å¥åº 4. æåå¤±è´¥ï¼åç¼©æä»¶å¥åº290    """291292    def __init__(self, file_path=None, unzip_path=None, extract_level=1, uncompress_password=None, recheck=0):293        """294        :param file_path: è§£åæä»¶è·¯å¾295        :param unzip_path: è§£åè·¯å¾296        :param extract_level: è§£åççº§297        :param uncompress_password: è§£åå¯ç 298        :param recheck: æ¯å¦è¦å¯¹å·²ç»æ£æµè¿çè§£åç¼©æä»¶éæ°è¿è¡æ£æµ299        :return 0 æ£å¸¸ -1 å¼å¸¸ 2 éè¦å¯ç 300        """301        self.file_path = file_path302        self.extract_level = extract_level303        self.uncompress_password = uncompress_password304        self.recheck = recheck305        self.uncompress_obj = RecursionUncompress306        self.unzip_path = unzip_path307308    def compressed_handler(self):309310        # è¿è¡è§£åæä½311        extract = self.compressed_extract()312        if extract == -1:313            print("compressed file extract fail !!!")314            return -1315316        if extract == 2:317            # ä¿åä¸»æä»¶ éè¦å¯ç 318            return 2319320        return extract321322    def compressed_extract(self):323        # è§£åæä»¶ï¼è·åè§£åæä»¶çæ ¹ç®å½åå¶åæä»¶è·¯å¾324        try:325            # extract_path è§£åæä»¶è·¯å¾  sample_file_set åæä»¶326            extract_path, sample_file_set = self.uncompress_obj.extract_with_level(file_path=self.file_path,327                                                                                   extract_level=self.extract_level,328                                                                                   uncompress_password=self.uncompress_password,329                                                                                   extract_dir=self.unzip_path)330        except Exception as e:331            print(str(e))332            return -1333334        if type(sample_file_set) is int:335            print("Need Password")336            return 2337338        return extract_path, sample_file_set339340341if __name__ == '__main__':342    # ä½¿ç¨ç¤ºä¾343    # file_path: è§£åæä»¶è·¯å¾344    # unzip_path: è§£åè·¯å¾345    # extract_level: è§£åççº§346    # uncompress_password: è§£åå¯ç 347    # recheck: æ¯å¦è¦å¯¹å·²ç»æ£æµè¿çè§£åç¼©æä»¶éæ°è¿è¡æ£æµ348    # return -1----è§£åå¤±è´¥ 2--éè¦å¯ç  å¶å®-- extract_path è§£åæä»¶è·¯å¾  sample_file_set åæä»¶349    file_path = "/home/rpadmin/test/testmim4.rar"350    unzip_path = "/home/rpadmin/test/"351    extract_level = 1352    uncompress_password = "123456"353354    compressed_result = CompressedHandler(file_path=file_path, unzip_path=unzip_path, extract_level=extract_level,355                                          uncompress_password=uncompress_password, recheck=0).compressed_handler()
...

test_hw6.py

Source:test_hw6.py

...10    def test01(self):11        sequence = '0' * 6412        compress = hw6.compress(sequence)13        self.assertEqual(compress, '1111100000111110000000010')14        uncompress = hw6.uncompress(compress)15        self.assertEqual(uncompress, sequence)16        self.assertAlmostEqual(hw6.compression(sequence), 0.390625, 4)17    def test02(self):18        sequence = '01' * 3219        compress = hw6.compress(sequence)20        self.assertEqual(compress, '00001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001')21        uncompress = hw6.uncompress(compress)22        self.assertEqual(uncompress, sequence)23        self.assertAlmostEqual(hw6.compression(sequence), 5.0, 4)24    def test03(self):25        sequence = '10' * 3226        compress = hw6.compress(sequence)27        self.assertEqual(compress, '0000000001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001')28        uncompress = hw6.uncompress(compress)29        self.assertEqual(uncompress, sequence)30        self.assertAlmostEqual(hw6.compression(sequence), 5.078125, 4)31    def test04(self):32        sequence = '0' * hw6.MAX_RUN_LENGTH + '1' * hw6.MAX_RUN_LENGTH + '0' * (64 - 2 * hw6.MAX_RUN_LENGTH)33        compress = hw6.compress(sequence)34        self.assertEqual(compress, '111111111100010')35        uncompress = hw6.uncompress(compress)36        self.assertEqual(uncompress, sequence)37        self.assertAlmostEqual(hw6.compression(sequence), 0.234375, 4)38    def test05(self):39        sequence = '0' * (hw6.MAX_RUN_LENGTH + 1) + '1' * (hw6.MAX_RUN_LENGTH + 1) + '0' * (64 - 2 * hw6.MAX_RUN_LENGTH - 2)40        compress = hw6.compress(sequence)41        self.assertEqual(compress, '111110000000001111110000000001')42        uncompress = hw6.uncompress(compress)43        self.assertEqual(uncompress, sequence)44        self.assertAlmostEqual(hw6.compression(sequence), 0.46875, 4)45    def test06(self):46        sequence = '1' * hw6.MAX_RUN_LENGTH + '0' * hw6.MAX_RUN_LENGTH + '1' * (64 - 2 * hw6.MAX_RUN_LENGTH)47        compress = hw6.compress(sequence)48        self.assertEqual(compress, '00000111111111100010')49        uncompress = hw6.uncompress(compress)50        self.assertEqual(uncompress, sequence)51        self.assertAlmostEqual(hw6.compression(sequence), 0.3125, 4)52        53    def test07(self):54        sequence = '1' * 6455        compress = hw6.compress(sequence)56        self.assertEqual(compress, '000001111100000111110000000010')57        uncompress = hw6.uncompress(compress)58        self.assertEqual(uncompress, sequence)59        self.assertAlmostEqual(hw6.compression(sequence), 0.46875, 4)60    def test08(self):61        sequence = '11' * 3262        compress = hw6.compress(sequence)63        self.assertEqual(compress, '000001111100000111110000000010')64        uncompress = hw6.uncompress(compress)65        self.assertEqual(uncompress, sequence)66        self.assertAlmostEqual(hw6.compression(sequence), 0.46875, 4)    67    68if __name__ == "__main__":...

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