Best Python code snippet using autotest_python
mp3Stego.py
Source:mp3Stego.py  
1import mp3Parser2import math3isModifiedBool = False4sizeOfMessage = 05def signature(isModifiedNum, size):6    mp3Parser.seekStart()7    _embed(1)  # start num8    if(size > 255):9        loop = math.floor(size / 255)10        _embed(loop) # to see how many times extract to calculate size of embedded message11        _embed(isModifiedNum) # is modified flag12        _embed(1) # to set flag whether size is bigger than 25513        _embed(size % 255)14    else:15        _embed(size)  # to see how many times extract to calculate size of embedded message loop buradan geliyor16        _embed(isModifiedNum)  # is modified flag17        _embed(0) # zero means the size of message is equal to 255 or smaller than 25518def _getSignature():19    global sizeOfMessage20    isModifiedBool = False21    mp3Parser.seekStart()22    _extract()23    mp3Parser.nextFrame()24    loop = _extract()25    mp3Parser.nextFrame()26    ismodifiednum = _extract()27    mp3Parser.nextFrame()28    flag = _extract()29    if((ismodifiednum == 23) | (ismodifiednum == 33)):30           isModifiedBool = True31    if(flag == 1):32        mp3Parser.nextFrame()33        mod = _extract()34        sizeOfMessage = mod + loop*25535    else:36        sizeOfMessage = loop37    return sizeOfMessage, isModifiedBool, ismodifiednum38def _embed(payload):39    array = 0x0F40    for i in range(2):41        header = mp3Parser.getFrameHeader()42        header[1] = header[1] & 0xF043        a = payload & array44        header[1] = header[1] | a45        payload = payload >> 446        mp3Parser.setFrameHeader(header)47        mp3Parser.nextFrame()48def _extract():49    topla = 0x0F50    header = mp3Parser.getFrameHeader()51    topla = topla & header[1]52    mp3Parser.nextFrame()53    header = mp3Parser.getFrameHeader()54    header[1] = header[1] << 455    binary = format(header[1], "08b")56    header[1] = int(binary[-8:], 2)57    topla = topla | header[1]58    return topla59def _countFrames():60    mp3Parser.seekStart()61    size, isModifiedBool, ismodifiednumber = _getSignature()62    print(isModifiedBool)63    print(ismodifiednumber)64    mp3Parser.nextFrame()65    frames = 066    while mp3Parser.hasNext():67        frames += 168        mp3Parser.nextFrame()69    if(isModifiedBool):70        frames -= size71    return frames72def calculateEmptyBytes():73    frameCount = _countFrames()74    print(frameCount)75    frameCount = math.floor(frameCount/2)76    kiloByte = frameCount / 100077    return kiloByte78def isModified():79    mp3Parser.seekStart()80    frames, isModifiedBool, ismodifiednumber= _getSignature()81    mp3Parser.nextFrame()82    return frames,isModifiedBool83def embedText(isModifiedNum, message):84    mp3Parser.seekStart()85    signature(isModifiedNum, len(message))86    for i in message:87        _embed(i)88def extractText():89    mp3Parser.seekStart()90    enc = []91    frames, isModifiedBool, ismodifiednum = _getSignature()92    mp3Parser.nextFrame()93    i = 094    while i < frames:95        enc.append(_extract())96        mp3Parser.nextFrame()97        i += 198    return enc, ismodifiednum99def yazdir(newfilename):100    with open(newfilename, 'wb') as writer:...UrlSignature.py
Source:UrlSignature.py  
1'''2Created on 2. feb. 201234@author: pcn5'''6import hashlib7import time89class UrlSignature(object):10    def __init__(self, passwd = "GoGoGrillazEatingBananasFtw"):11        self._passwd = passwd12        self._offset = 01314    def setPasswd(self, passwd):15        self._passwd = passwd1617    def calculateOffset(self, serverTime):18        self._offset = serverTime - time.time()1920#GoGoGrillazEatingBananasFtw??imageThumb=0C&time=0.00&sigTime=1328193128.45  -> 9bbe4e9f088c673b8bf7e6201eeaecb9eb999b20471734192d7a12ef21#GoGoGrillazEatingBananasFtw?imageThumb=0C&time=0.00&sigTime=1328193128.4522    def _getSignature(self, query):23        if(query.startswith("?") == False):24            query = "?" + query25        passwdAndQuery = self._passwd + query26        return hashlib.sha224(passwdAndQuery).hexdigest()2728    def getUrlWithSignature(self, url):29        timeString = str(time.time() + self._offset)30        urlPlusTime = url + "&sigTime=" + timeString31        signature = self._getSignature(urlPlusTime)32        return urlPlusTime + "&sig=%s" % signature3334    def getSigantureFieldsForFile(self, fileType, fileName, fileData):35        returnFields = []36        timeString = str(time.time() + self._offset)37        returnFields.append(("sigTime", timeString))38        if(fileData == None):39            fileData = ""40        combinedString = self._passwd + "sigTime" + timeString + fileType + fileName + str(fileData)41        returnFields.append(("sig", hashlib.sha224(combinedString).hexdigest()))42        return returnFields4344    def verifySignature(self, url):45        urlSplit = url.split("&sig=", 1)46        query = urlSplit[0]47        querySignature = urlSplit[1]48        if(self._getSignature(query) == querySignature):49            urlSplit2 = query.split("&sigTime=", 1)50            query = urlSplit2[0]51            queryTime = float(urlSplit2[1])52            if(abs(time.time() - queryTime) < 30.0):53                return query54            else:55                print "abs(time.time() - queryTime) >= 30.0 " + str(abs(time.time() - queryTime)) + " time: " + str(time.time()) + " queryTime: " + str(queryTime)56        else:57            print "self._getSignature(query) != querySignature " + str(self._getSignature(query)) + " X " + str(querySignature)58        return None5960    def verifySignatureFields(self, fileType, fileName, fileData, sigTime, sig):61        combinedString = self._passwd + "sigTime" + str(sigTime) + fileType + fileName + str(fileData)62        calcSignature = hashlib.sha224(combinedString).hexdigest()63        if(calcSignature == sig):64            if(abs(time.time() - sigTime) < 30.0):65                return True66        return False67        68def getDefaultUrlSignaturePasswd():69    return "GoGoGrillazEatingBananasFtw"
...Anagrams.py
Source:Anagrams.py  
1# -*- coding: utf-8 -*-2"""3Created on Tue Aug 25 15:09:40 20204@author: santhilata5"""6'''7Given a string s and a non-empty string p, find all the start indices of p's anagrams in s.8Strings consists of lowercase English letters only and the length of both strings s and p will 9not be larger than 20,100.10The order of output does not matter.11Example 1:12    Input: s: "cbaebabacd" p: "abc"13    Output : [0,6]14    15Example 2:16    Input: s: "abab" p: "ab"17    Output: [0,1,2]18'''19s= "abab"20p= "ab"21#s= "cbaebabacd" 22#p= "abc"23def _getSignature(st):24    25    arr = [0]*2626    for ch in st:27        pos = ord(ch)-9728        arr[pos] += 129        30    signature = ''.join([str(i) for i in arr])31    return signature32def _findAnagrams(s, p):33    34    if len(s)<len(p):35        return [-1]36    37    if len(s) == len(p):38        if s==p:39            return [0]40        else:41            return [-1]42    43    window = len(p)44    result =[]45    sign_s = _getSignature(p)46    47    for i in range(len(s)-window+1):48        49        temp = _getSignature(s[i:i+window])50        51        if sign_s == temp:52           53            result.append(i)54        55    return result56result = _findAnagrams(s,p)57print(result)58from collections import Counter59def _findAnagrams1(s,p):60    61    result = []62    if len(s)<len(p):63        return result64    65    if len(s) == len(p):66        if s==p:67            return [0]68        else:69            return result70        71        72    window = len(p)73    74    sign_s = Counter(p)75    76    for i in range(len(s)-window+1):77        78        temp = Counter(s[i:i+window])79        80        if sign_s == temp:81           82            result.append(i)83        84    return result85result = _findAnagrams1(s, p)86print(result)87def findAnagrams_best( s: str, p: str) :88    answer = []89    m, n = len(s), len(p)90    if m < n:91        return answer92    pCounter = Counter(p)93    sCounter = Counter(s[:n-1])94    print(pCounter)95    print(sCounter)96    index = 097    for index in range(n - 1, m):98            sCounter[s[index]] += 199            if sCounter == pCounter:100                answer.append(index - n + 1)101            sCounter[s[index - n + 1]] -= 1102            if sCounter[s[index - n + 1]] == 0:103                del sCounter[s[index - n + 1]]104    return answer105result = findAnagrams_best(s, p)...Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
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