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How to use written method in hypothesis

Best Python code snippet using hypothesis

analyzer.py

Source:analyzer.py

1#!/usr/bin/env python32import argparse3import datetime4import json5import matplotlib.pyplot as plt6import sys7class UidSnapshot(object):8    def __init__(self, activity):9        self.uid = activity['uid']10        self.foregroundWrittenBytes = activity['foregroundWrittenBytes']11        self.foregroundFsyncCalls = activity['foregroundFsyncCalls']12        self.backgroundFsyncCalls = activity['backgroundFsyncCalls']13        self.backgroundWrittenBytes = activity['backgroundWrittenBytes']14        self.appPackages = activity['appPackages']15        self.runtimeMs = activity['runtimeMs']16        self.totalWrittenBytes = self.foregroundWrittenBytes + self.backgroundWrittenBytes17        self.totalFsyncCalls = self.backgroundFsyncCalls + self.foregroundFsyncCalls18        if self.appPackages is None: self.appPackages = []19class Snapshot(object):20    def __init__(self, activity, uptime):21        self.uptime = uptime22        self.uids = {}23        self.foregroundWrittenBytes = 024        self.foregroundFsyncCalls = 025        self.backgroundFsyncCalls = 026        self.backgroundWrittenBytes = 027        self.totalWrittenBytes = 028        self.totalFsyncCalls = 029        for entry in activity:30            uid = entry['uid']31            snapshot = UidSnapshot(entry)32            self.foregroundWrittenBytes += snapshot.foregroundWrittenBytes33            self.foregroundFsyncCalls += snapshot.foregroundFsyncCalls34            self.backgroundFsyncCalls += snapshot.backgroundFsyncCalls35            self.backgroundWrittenBytes += snapshot.backgroundWrittenBytes36            self.totalWrittenBytes += snapshot.totalWrittenBytes37            self.totalFsyncCalls += snapshot.totalFsyncCalls38            self.uids[uid] = snapshot39class Document(object):40    def __init__(self, f):41        self.snapshots = []42        uptimes = [0, 0]43        for line in f:44            line = json.loads(line)45            if line['type'] != 'snapshot': continue46            activity = line['activity']47            uptime = line['uptime']48            if uptime < uptimes[0]: uptimes[0] = uptime49            if uptime > uptimes[1]: uptimes[1] = uptime50            self.snapshots.append(Snapshot(activity, uptime))51        self.runtime = datetime.timedelta(milliseconds=uptimes[1]-uptimes[0])52def merge(l1, l2):53    s1 = set(l1)54    s2 = set(l2)55    return list(s1 | s2)56thresholds = [57    (1024 * 1024 * 1024 * 1024, "TB"),58    (1024 * 1024 * 1024, "GB"),59    (1024 * 1024, "MB"),60    (1024, "KB"),61    (1, "bytes")62]63def prettyPrintBytes(n):64    for t in thresholds:65        if n >= t[0]:66            return "%.1f %s" % (n / (t[0] + 0.0), t[1])67    return "0 bytes"68# knowledge extracted from android_filesystem_config.h69wellKnownUids = {70    0 :         ["linux kernel"],71    1010 :      ["wifi"],72    1013 :      ["mediaserver"],73    1017 :      ["keystore"],74    1019 :      ["DRM server"],75    1021 :      ["GPS"],76    1023 :      ["media storage write access"],77    1036 :      ["logd"],78    1040 :      ["mediaextractor"],79    1041 :      ["audioserver"],80    1046 :      ["mediacodec"],81    1047 :      ["cameraserver"],82    1053 :      ["webview zygote"],83    1054 :      ["vehicle hal"],84    1058 :      ["tombstoned"],85    1066 :      ["statsd"],86    1067 :      ["incidentd"],87    9999 :      ["nobody"],88}89class UserActivity(object):90    def __init__(self, uid):91        self.uid = uid92        self.snapshots = []93        self.appPackages = wellKnownUids.get(uid, [])94        self.foregroundWrittenBytes = 095        self.foregroundFsyncCalls = 096        self.backgroundFsyncCalls = 097        self.backgroundWrittenBytes = 098        self.totalWrittenBytes = 099        self.totalFsyncCalls = 0100    def addSnapshot(self, snapshot):101        assert snapshot.uid == self.uid102        self.snapshots.append(snapshot)103        self.foregroundWrittenBytes += snapshot.foregroundWrittenBytes104        self.foregroundFsyncCalls += snapshot.foregroundFsyncCalls105        self.backgroundFsyncCalls += snapshot.backgroundFsyncCalls106        self.backgroundWrittenBytes += snapshot.backgroundWrittenBytes107        self.totalWrittenBytes += snapshot.totalWrittenBytes108        self.totalFsyncCalls += snapshot.totalFsyncCalls109        self.appPackages = merge(self.appPackages, snapshot.appPackages)110    def plot(self, foreground=True, background=True, total=True):111        plt.figure()112        plt.title("I/O activity for UID %s" % (self.uid))113        X = range(0,len(self.snapshots))114        minY = 0115        maxY = 0116        if foreground:117            Y = [s.foregroundWrittenBytes for s in self.snapshots]118            if any([y > 0 for y in Y]):119                plt.plot(X, Y, 'b-')120                minY = min(minY, min(Y))121                maxY = max(maxY, max(Y))122        if background:123            Y = [s.backgroundWrittenBytes for s in self.snapshots]124            if any([y > 0 for y in Y]):125                plt.plot(X, Y, 'g-')126                minY = min(minY, min(Y))127                maxY = max(maxY, max(Y))128        if total:129            Y = [s.totalWrittenBytes for s in self.snapshots]130            if any([y > 0 for y in Y]):131                plt.plot(X, Y, 'r-')132                minY = min(minY, min(Y))133                maxY = max(maxY, max(Y))134        i = int((maxY - minY) / 5)135        Yt = list(range(minY, maxY, i))136        Yl = [prettyPrintBytes(y) for y in Yt]137        plt.yticks(Yt, Yl)138        Xt = list(range(0, len(X)))139        plt.xticks(Xt)140class SystemActivity(object):141    def __init__(self):142        self.uids = {}143        self.snapshots = []144        self.foregroundWrittenBytes = 0145        self.foregroundFsyncCalls = 0146        self.backgroundFsyncCalls = 0147        self.backgroundWrittenBytes = 0148        self.totalWrittenBytes = 0149        self.totalFsyncCalls = 0150    def addSnapshot(self, snapshot):151        self.snapshots.append(snapshot)152        self.foregroundWrittenBytes += snapshot.foregroundWrittenBytes153        self.foregroundFsyncCalls += snapshot.foregroundFsyncCalls154        self.backgroundFsyncCalls += snapshot.backgroundFsyncCalls155        self.backgroundWrittenBytes += snapshot.backgroundWrittenBytes156        self.totalWrittenBytes += snapshot.totalWrittenBytes157        self.totalFsyncCalls += snapshot.totalFsyncCalls158        for uid in snapshot.uids:159            if uid not in self.uids: self.uids[uid] = UserActivity(uid)160            self.uids[uid].addSnapshot(snapshot.uids[uid])161    def loadDocument(self, doc):162        for snapshot in doc.snapshots:163            self.addSnapshot(snapshot)164    def sorted(self, f):165        return sorted(self.uids.values(), key=f, reverse=True)166    def pie(self):167        plt.figure()168        plt.title("Total disk writes per UID")169        A = [(K, self.uids[K].totalWrittenBytes) for K in self.uids]170        A = filter(lambda i: i[1] > 0, A)171        A = list(sorted(A, key=lambda i: i[1], reverse=True))172        X = [i[1] for i in A]173        L = [i[0] for i in A]174        plt.pie(X, labels=L, counterclock=False, startangle=90)175parser = argparse.ArgumentParser("Process FlashApp logs into reports")176parser.add_argument("filename")177parser.add_argument("--reportuid", action="append", default=[])178parser.add_argument("--plotuid", action="append", default=[])179parser.add_argument("--totalpie", action="store_true", default=False)180args = parser.parse_args()181class UidFilter(object):182    def __call__(self, uid):183        return False184class UidFilterAcceptAll(UidFilter):185    def __call__(self, uid):186        return True187class UidFilterAcceptSome(UidFilter):188    def __init__(self, uids):189        self.uids = uids190    def __call__(self, uid):191        return uid in self.uids192uidset = set()193plotfilter = None194for uid in args.plotuid:195    if uid == "all":196        plotfilter = UidFilterAcceptAll()197        break198    else:199        uidset.add(int(uid))200if plotfilter is None: plotfilter = UidFilterAcceptSome(uidset)201uidset = set()202reportfilter = None203for uid in args.reportuid:204    if uid == "all":205        reportfilter = UidFilterAcceptAll()206        break207    else:208        uidset.add(int(uid))209if reportfilter is None:210    if len(uidset) == 0:211        reportfilter = UidFilterAcceptAll()212    else:213        reportfilter = UidFilterAcceptSome(uidset)214document = Document(open(args.filename))215print("System runtime: %s\n" % (document.runtime))216system = SystemActivity()217system.loadDocument(document)218print("Total bytes written: %s (of which %s in foreground and %s in background)\n" % (219        prettyPrintBytes(system.totalWrittenBytes),220        prettyPrintBytes(system.foregroundWrittenBytes),221        prettyPrintBytes(system.backgroundWrittenBytes)))222writemost = filter(lambda ua: ua.totalWrittenBytes > 0, system.sorted(lambda ua: ua.totalWrittenBytes))223for entry in writemost:224    if reportfilter(entry.uid):225        print("user id %d (%s) wrote %s (of which %s in foreground and %s in background)" % (226            entry.uid,227            ','.join(entry.appPackages),228            prettyPrintBytes(entry.totalWrittenBytes),229            prettyPrintBytes(entry.foregroundWrittenBytes),230            prettyPrintBytes(entry.backgroundWrittenBytes)))231    if plotfilter(entry.uid):232        entry.plot()233        plt.show()234if args.totalpie:235    system.pie()...

compress.py

Source:compress.py

1#########################################################################2# Compresses LZSS data for PS1 game "Racing Lagoon" into bytes format   #3#########################################################################45# Racing Lagoon uses references with 11-bit offsets and 4-bit lengths,6# corresponding to a 2048-byte window, and reference lengths in the range7# 3..18 bytes. With a 1 bit identifier for references.89import sys    10import os11from pathlib import Path1213WSIZE = 0b100000000000   # window size1415MAX_REF_LEN        = 18  # maximum copy length16MIN_REF_LEN        = 3   # minimum copy length1718REPEATER_ID        = 0x7E19DOUBLE_REPEATER_ID = 0x7F2021LENGTH_MASK               = 0b0111100022OFFSET_MASK_1             = 0b0000011123REFERENCE_MASK_DOUBLE     = 0b1000000000000000242526#Compresses the given file and returns a bytes string of the compressed file27def compressChunk(inputData):28 29  writeBuffer = b''3031  #write header -  [4 BYTE LITTLE ENDIAN UNCOMPRESSED FILESIZE] 32  #                [0x0173]  33  fileSize = len(inputData)34 35  writeBuffer += bytes([ fileSize &       0xFF])36  writeBuffer += bytes([(fileSize &     0xFF00)>>8])37  writeBuffer += bytes([(fileSize &   0xFF0000)>>16])38  writeBuffer += bytes([(fileSize & 0xFF000000)>>24])39  writeBuffer += b'\x01\x73'4041  #write compressed blocks until file size reached42  43  bytesWritten = 044  windowLeft = 045  windowRight = 04647  inLiteralBlock = False48  literalBlockSize = 04950  while bytesWritten < fileSize:51    referenceFound = False52    53    #######Test for reference54    #check all valid upcoming string lengths for matches in our dictionary window55    if referenceFound == False:56      for copyLength in range(MAX_REF_LEN, MIN_REF_LEN - 1, -1):57        58        #Check if search window extends past EOF59        if bytesWritten + copyLength >= fileSize:60          continue61        else:62          windowRight = bytesWritten + copyLength6364        searchString = inputData[bytesWritten:windowRight]6566        #Search valid window for result67        searchResult = inputData.find(searchString, windowLeft, windowRight - 1)68        if searchResult != -1:69          70          #Truncate and append literal block chain, if exists71          if inLiteralBlock == True:72            writeBuffer += bytes([literalBlockSize])73            writeBuffer += inputData[bytesWritten - literalBlockSize: bytesWritten]74            75            inLiteralBlock = False76            literalBlockSize = 0777879          #create reference block with pattern 0b1YYYYZZZZZZZZZZZ (Y is length-3, Z is reference offset-1)80          lengthNibble = (copyLength-3) << 1181          offsetNibble = bytesWritten - searchResult - 182          83          referenceBlock = REFERENCE_MASK_DOUBLE | lengthNibble | offsetNibble8485          writeBuffer +=  bytes([(referenceBlock & 0xFF00)>>8]) + bytes([referenceBlock & 0xFF])86          referenceFound = True8788          #89          bytesWritten += copyLength90          91          break92  93    #######Test for repeated chars of length94    if referenceFound == False:9596      #If at least next 4 bytes are identical, write repeater block97      if bytesWritten + 4 < fileSize and inputData[bytesWritten] == inputData[bytesWritten+1] == inputData[bytesWritten + 2] == inputData[bytesWritten+3]:98        #Truncate and append literal block chain, if exists99        if inLiteralBlock == True:100          writeBuffer += bytes([literalBlockSize])101          writeBuffer += inputData[bytesWritten - literalBlockSize: bytesWritten]102          103          inLiteralBlock = False104          literalBlockSize = 0105106        count = 4107108        while len(inputData) > (bytesWritten + count) and inputData[bytesWritten + count] == inputData[bytesWritten + count - 1]:109          count+=1110111        #Max length = 0xFFFF112        count = count % 0xFFFF113        114        #Double repeater block used if count is greater than 0xFF+0x04  115        if count <=0x103:116          writeBuffer += bytes([REPEATER_ID])117          writeBuffer += bytes([count-4])118        else:119          writeBuffer += bytes([DOUBLE_REPEATER_ID])120          writeBuffer += count.to_bytes(2, byteorder="little")121        122        writeBuffer += bytes([inputData[bytesWritten]])123124        referenceFound = True125        bytesWritten += count126127        128      129    #######write literal block130    if referenceFound == False:131      132      literalBlockSize += 1133      bytesWritten +=1134      inLiteralBlock = True135136      #If max literal block size reached, truncate and write block137      if literalBlockSize == REPEATER_ID - 1:138        writeBuffer += bytes([literalBlockSize])139        writeBuffer += inputData[bytesWritten - literalBlockSize: bytesWritten]140        141        inLiteralBlock = False142        literalBlockSize = 0143  144145    #update window146    if bytesWritten > WSIZE:147      windowLeft = bytesWritten - WSIZE148149  #Truncate and append literal block chain, if exists150  if inLiteralBlock == True:151    writeBuffer += bytes([literalBlockSize])152    writeBuffer += inputData[bytesWritten - literalBlockSize: bytesWritten]153154  return writeBuffer155156157158#inputfile = open("LZSSOUTRight.bin", "rb")159160#data = compressChunk(inputfile.read())161162#outputFile = open("LZSSTestOut.bin", "wb")163164#outputFile.write(data)165166#outputFile.close()
...

test_lammpsdata_write.py

Source:test_lammpsdata_write.py

1"""2Create an atoms object and write it to a lammps data file3"""4from io import StringIO5import ase.io6from .parse_lammps_data_file import lammpsdata_file_extracted_sections7from .comparison import compare_with_pytest_approx8# Relative tolerance for comparing floats with pytest.approx9REL_TOL = 1e-210def test_lammpsdata_write(atoms):11    # Write atoms object to lammpsdata file-like object12    lammpsdata_buf = StringIO()13    ase.io.write(14        lammpsdata_buf, atoms, format="lammps-data", atom_style="full", velocities=True15    )16    # Now read the output back, parse it, and compare to the original atoms17    # object attributes18    written_values = lammpsdata_file_extracted_sections(lammpsdata_buf)19    # Check cell was written correctly20    cell_written = written_values["cell"]21    cell_expected = atoms.get_cell()22    compare_with_pytest_approx(cell_written, cell_expected, REL_TOL)23    # Check that positions were written correctly24    positions_written = written_values["positions"]25    positions_expected = atoms.get_positions(wrap=True)26    compare_with_pytest_approx(positions_written, positions_expected, REL_TOL)27    # Check velocities were read in correctly28    velocities_written = written_values["velocities"]29    velocities_expected = atoms.get_velocities()...

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