コード例 #1
0
class BloomFilter:
    def __init__(self, mapsize=160000, max_node_size=10000, random_num=8):
        self.m = mapsize
        self.n = max_node_size
        self.k = random_num
        self.bitmap = BitMap(maxnum=self.m)
        self.count = 0
        pass

    def set(self, string):
        calcmap = self.calcMap(string)
        for x in calcmap:
            self.bitmap.set(x)
        pass

    def test(self, string):
        calcmap = self.calcMap(string)
        for x in calcmap:
            if not self.bitmap.test(x):
                return False
        return True

    def calcMap(self, string):
        r = random.Random(string)
        lv1random = [r.random() for x in range(self.k)]
        return [int(random.Random(x).random() * self.m) for x in lv1random]
コード例 #2
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def bytes_to_bitmap(buf, maxitems, bitmap=None):
    """Convert string of bytes back into bitmap

    This is the inverse of bytes_to_bitmap(), and is used to recover
    the bitmap from its representation as string of bytes.

    Parameters
    ----------
    buf : bytes (str in Python 2)
        [Compact] representation of bitmap as bytes.  Result of
        bitmap_to_bytes().

    maxitems : int
        Number of entries; number of bits in bitmap.

    bitmap : BitMap, optional
        Bitmap object to set.  If provided, the bitmap must be empty
        (all zeros), and have at least `maxitems` bits.  This can be
        used to avoid commit creation costs.

    Returns
    -------
    BitMap
        Bitmap / bitset with given representation.
    """
    if not bitmap:
        bitmap = BitMap(maxitems)

    bitmap.bitmap = array.array('B', buf)
    return bitmap
コード例 #3
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 def __init__(self, mapsize=160000, max_node_size=10000, random_num=8):
     self.m = mapsize
     self.n = max_node_size
     self.k = random_num
     self.bitmap = BitMap(maxnum=self.m)
     self.count = 0
     pass
コード例 #4
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 def __init__(self, total_length, file_to_write, piece_hash_array):
     self.num_pieces = total_length / PIECE_SIZE
     self.piece_list = []
     for piece in range(self.num_pieces):
         self.piece_list.append(Piece(piece, PIECE_SIZE, file_to_write, piece_hash_array[piece]))
     if total_length % PIECE_SIZE != 0:
         last_piece_length = total_length % PIECE_SIZE
         self.piece_list.append(Piece(self.num_pieces, last_piece_length, file_to_write, piece_hash_array[self.num_pieces]))
         self.num_pieces = self.num_pieces + 1
     self.bitmap = BitMap(self.num_pieces)
コード例 #5
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def loadBitmap(file) :
    # generate bitmap from lexicon file (one word per line)
    words = open(file).readlines()
    words = map(lambda x: x.strip(), words) # no newlines please
    bmap  = BitMap(2**20)
    for word in words :
        hashes = makeHashes(word)
        for hash in hashes :
            bmap.setBit(hash)
    return bmap
コード例 #6
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    def test_count(self):
        for bitstr in self.v_str:
            bm = BitMap.fromstring(bitstr)
            self.assertEqual(bitstr.count("1"), bm.count())
            self.assertEqual(bitstr.count("1"),
                             len([i for i in xrange(bm.size()) if bm.test(i)]))

        for bitstr in self.v_str[:-4]:
            self.assertTrue(BitMap.fromstring(bitstr).any())
        self.assertTrue(BitMap.fromstring(self.v_str[-2]).all())
        self.assertTrue(BitMap.fromstring(self.v_str[-1]).none())
コード例 #7
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ファイル: bloomfilter.py プロジェクト: doglex/ALGs
    def __init__(self, size_byte=1 << 6, n_hash=1 << 2):
        self.size_byte = size_byte  # 字节开销
        self.size_bit = 8 * size_byte  # bit开销
        self.n_hash = n_hash  # hash函数数量
        self.bf = BitMap(self.size_byte)  # 存储
        # 通过科里化方式生成n_hash个hash函数列表
        self.hash_functions = [
            partial(self._hash, capacity=self.size_bit, seed=seed)
            for seed in self._mk_primes(self.n_hash)
        ]

        BloomFilter.N_INSTANCE += 1
コード例 #8
0
ファイル: test_bitmap.py プロジェクト: wanji/bitmap
    def test_count(self):
        """ Test BitMap: create
        """
        for bitstr in self.v_str:
            bm = BitMap.fromstring(bitstr)
            self.assertEqual(bitstr.count("1"), bm.count())
            self.assertEqual(bitstr.count("1"),
                             len([i for i in xrange(bm.size()) if bm.test(i)]))

        for bitstr in self.v_str[:-4]:
            self.assertTrue(BitMap.fromstring(bitstr).any())
        self.assertTrue(BitMap.fromstring(self.v_str[-2]).all())
        self.assertTrue(BitMap.fromstring(self.v_str[-1]).none())
コード例 #9
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 def __init__(self, size, start, headerSize, align):
     self.level = math.ceil(math.log2(size))
     self.size = 1 << self.level
     print("Total size for buddy: {}".format(self.size))
     self.level += 1
     self.buckets = [set() for i in range(self.level)]
     self.in_use = BitMap(2 ** self.level - 1)
     # initialize root node
     self.buckets[0].add(start)
     # misc stuffs
     self.base = start
     self.headerSize = headerSize
     self.align = align
     self.sizemap = {}
コード例 #10
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ファイル: messages.py プロジェクト: haoyangqian/BitTorrent
    def __init__(self, msg_len, msg_id, msg):
        PeerMessage.__init__(self, msg_id, msg)

        bit_string = ''
        for i in range(0, len(msg)):
            num = ord(msg[i])
            bit_string += "{0:b}".format(ord(msg[i]))

        self.bitfield = BitMap(len(bit_string))
        self.bitfield_str = bit_string

        for i in range(0, len(bit_string)):
            if bit_string[i] == '1':
                self.bitfield.set(i)
コード例 #11
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 def __init__(self, index, piece_length, file_to_write, piece_hash):
     self.index = index
     self.piece_length = piece_length
     self.num_blocks = piece_length/BLOCK_SIZE
     self.file_to_write = file_to_write
     self.piece_hash = piece_hash
     self.block_list = []
     for block in range(self.num_blocks):
         self.block_list.append(Block(block, BLOCK_SIZE))
     if piece_length % BLOCK_SIZE != 0:
         last_block_length = piece_length % BLOCK_SIZE
         self.block_list.append(Block(self.num_blocks, last_block_length))
         self.num_blocks = self.num_blocks + 1
     self.bitmap = BitMap(self.num_blocks)
コード例 #12
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ファイル: makeimg.py プロジェクト: zzt93/os-lab1
 def make_file(self, filetype, kernel_sz):
     # apply for inode, block
     map1 = BitMap(self.buf, self.start[0], self.size[1])
     x = map1.apply_bit()
     inode_off = self.get_area(self.start[2], x, MkImg.NODE_SZ)
     map2 = BitMap(self.buf, self.start[1], self.size[2])
     y = map2.apply_bit()
     block_off = self.get_area(self.start[3], y, self.bsize)
     # set block offset, type in inode
     node = Inode.from_buffer(self.buf, inode_off)
     # IDE driver
     node.dev_id = 5
     node.index[0] = block_off + kernel_sz
     node.link_count = 1
     node.type = filetype.value
     return inode_off, block_off
コード例 #13
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 def __init__(self, size, frame_min, frame_max):
     self.repeats = dict()
     self.subseqs = dict()
     self.bitmap = BitMap(size)
     self.frame_min = frame_min
     self.frame_max = frame_max
     return
コード例 #14
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ファイル: person.py プロジェクト: languagerecipes/ParsemeBot
def initLangaugeCounters(p, put=True):
    for lang in sentAnno.getLanguages():
        p.languageSentenceIndex[lang] = 0
        size = sentAnno.totalSentLang(lang)
        p.languageProgress[lang] = BitMap(size)
    if put:
        p.put()
コード例 #15
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ファイル: test_bitmap.py プロジェクト: wanji/bitmap
    def test_op(self):
        """ Test BitMap: create
        """
        bitstr = "000000000000000000000000000000000"
        bitlst = list(bitstr)
        bm = BitMap.fromstring(bitstr)

        v_pos = [1, 2, 3, 5, 9]

        for i in v_pos:
            bm.set(i)
            bitlst[-i - 1] = '1'
        self.assertEqual(self.helper_str_zfill("".join(bitlst)), bm.tostring())
        self.assertEqual(bm.count(), len(v_pos))

        for i in v_pos:
            bm.reset(i)
            bitlst[-i - 1] = '0'
        self.assertEqual(self.helper_str_zfill("".join(bitlst)), bm.tostring())
        self.assertEqual(self.helper_str_zfill(bitstr), bm.tostring())
        self.assertEqual(bm.count(), 0)

        for i in v_pos:
            bm.flip(i)
            bitlst[-i - 1] = '1'
        self.assertEqual(self.helper_str_zfill("".join(bitlst)), bm.tostring())
        self.assertEqual(bm.count(), len(v_pos))
コード例 #16
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ファイル: test_bitmap.py プロジェクト: pombredanne/bitmap
    def test_op(self):
        """ Test BitMap: create
        """
        bitstr = "000000000000000000000000000000000"
        bitlst = list(bitstr)
        bm = BitMap.fromstring(bitstr)

        v_pos = [1, 2, 3, 5, 9]

        for i in v_pos:
            bm.set(i)
            bitlst[-i-1] = '1'
        self.assertEqual(self.helper_str_zfill("".join(bitlst)),
                         bm.tostring())
        self.assertEqual(bm.count(), len(v_pos))

        for i in v_pos:
            bm.reset(i)
            bitlst[-i-1] = '0'
        self.assertEqual(self.helper_str_zfill("".join(bitlst)),
                         bm.tostring())
        self.assertEqual(self.helper_str_zfill(bitstr),
                         bm.tostring())
        self.assertEqual(bm.count(), 0)

        for i in v_pos:
            bm.flip(i)
            bitlst[-i-1] = '1'
        self.assertEqual(self.helper_str_zfill("".join(bitlst)),
                         bm.tostring())
        self.assertEqual(bm.count(), len(v_pos))
コード例 #17
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    def __init__(self, file_length, pieces_hash_array, piece_size, fs):
        self.logger = logging.getLogger(__name__)

        self.pieces_num = file_length / PIECE_SIZE
        self.piece_list = []
        for piece in range(self.pieces_num):
            self.piece_list.append(
                Piece(piece, piece_size, fs, pieces_hash_array[piece]))
        #if have extra smaller pieces
        if file_length % PIECE_SIZE != 0:
            last_piece_size = file_length % piece_size
            self.piece_list.append(
                Piece(self.pieces_num, last_piece_size, fs,
                      pieces_hash_array[self.pieces_num]))
            self.pieces_num += 1
        self.bm = BitMap(self.pieces_num)
        self.logger.debug("init bm {}".format(self.bm))
コード例 #18
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def list_of_ids_to_bitmap(ids, maxitems, bitmap=None):
    """Convert list of 'id' values (entry numbers) to bitmap / bitset

    Each 'id' value is an entry number in the original dataset, that
    is the 'id' column in the database.  Those have are natural
    numbers, and have values between 1 and number of entries; the
    latter is given as parameter to this function.

    Returned bitmap has i-th bit set to "1" (has "1" at i-th place) if
    and only if there was identifier 'i' on the list.

    Parameters
    ----------
    ids | list
        [Sorted] list of integers with values between 1 and
        `maxitems`, inclusive; those are 'id' fields for given bug
        report / bugfix commit.

    maxitems : int
        Maximum value of ids onn the list, which is number of entries
        in the dataset; this means that it is the minimal number of
        bits in the bitmap / bitset.

    bitmap : BitMap, optional
        Bitmap object to set, in current incarnation in needs
        .set(i-th) method to set i-th bit to "1" in resulting bitmap.
        The bitmap must be empty (all zeros), and have at least
        `maxitems` bits.

    Returns
    -------
    bitmap.BitMap
        Bitmap with appropriate bits set.  Note that values are from 1
        to maxitems, while bit positions are numbered from 0 to
        maxitems-1.

    """
    if not bitmap:
        bitmap = BitMap(maxitems)

    # there is no built-in initialization from iterable for bitmap.BitMap
    for i in ids:
        # ids are numbered from 1, bits are numbered from 0
        bitmap.set(i - 1)

    return bitmap
コード例 #19
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def addBitMap(id, size):
    bm = BitMap(size)
    bmObj = BitMapTest(
        id=id,
        bitmap = bm,
        name = id
    )
    bmObj.put()
    return bmObj
コード例 #20
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 def __init__(self, partition_size=2048, block_size=32):
     self.num_blocks = int(partition_size / block_size)
     self.block_size = block_size
     self.partition_size = partition_size
     self.partition = [0] * self.num_blocks
     self.bit_map = BitMap(block_size)
     self.root = Directory('root', None)
     self.actual_dir = self.root
     self.table = [" "] * self.num_blocks
コード例 #21
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class PidManager:
    # Minimum pid in range
    MIN_PID = 300
    # Maximum pid in range
    MAX_PID = 5000
    # Class variable keeps track of current pid
    pid_counter = 0
    # Class variable keeps track of index in bit_map
    bit_index = 0
    # BitMap has a size equal to the range of pids
    bit_map = BitMap(MAX_PID - MIN_PID)

    def allocate_map(self):
        # checks if a map exists
        if self.bit_map is not None:
            self.pid_counter = self.MIN_PID
            self.bit_index = 0
            return 1
        else:
            return -1

    def allocate_pid(self):
        # check against empty bitmap
        if self.bit_map is not None:
            # this case will trigger when the pid_counter goes out of the range of pids
            if self.pid_counter > self.MAX_PID:
                # Set to -1, if not overwritten in the loop, method will return -1
                pid = -1
                # this loop finds the first empty bit in the bitmap
                for i in range(self.MIN_PID, self.MAX_PID):
                    # checks if the bit at position i-MIN_PID is 'off'
                    # i must be offset by MIN_PID because index of bitmap does not correspond to pid range directly
                    if not self.bit_map.test(i - self.MIN_PID):
                        # turns on the bit at i-MIN_PID
                        self.bit_map.set(i - self.MIN_PID)
                        # the pid to be allocated will be the index i at this point in the loop
                        pid = i
                        break
                return pid
            # this case will trigger for the first n<MAX_PID allocations
            else:
                # the pid to be allocated will be the value of the pid_counter at this point
                pid = self.pid_counter
                # turns on the bit at bit_index
                self.bit_map.set(self.bit_index)
                # increments bit_index to write to next index in bit_map on next iteration
                self.bit_index += 1
                # increments pid_counter to allocate next pid on next iteration
                self.pid_counter += 1
                return pid

    def release_pid(self, pid):
        # turns 'off' the bit at pid with an offset of MIN_PID
        # releasing pid '300' will turn off bit 300-300, or 0
        self.bit_map.reset(pid - self.MIN_PID)
コード例 #22
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    def __init__(self, piece_index, piece_size, fs, piece_hash):
        self.block_num = piece_size / BLOCK_SIZE
        self.block_list = []
        self.piece_index = piece_index
        self.piece_size = piece_size
        self.piece_hash = piece_hash
        for block in range(self.block_num):
            b = Block(piece_index, block, BLOCK_SIZE)
            self.block_list.append(b)
        #if have extra smaller blocks
        if piece_size % BLOCK_SIZE != 0:
            last_block_size = piece_size % BLOCK_SIZE

            #print self.block_num,last_block_size
            self.block_list.append(
                Block(self.piece_index, self.block_num, last_block_size))
            self.block_num += 1
        self.bm = BitMap(self.block_num)
        self.file = fs
        return
コード例 #23
0
ファイル: test_thread.py プロジェクト: haoyangqian/BitTorrent
def test_thread():
    global exitFlag
    exitFlag = 0
    threads = []
    threadID = 1
    print "Starting Main Thread"
     # Fill the queue
    for i in range(3):
        queue = Queue.Queue(4)
        for j in range(4):
            queue.put(i*4 + j)
        pieces_queue_list.append(queue)

    for i in range(3):
        queue = Queue.Queue(4)
        data_queue_list.append(queue)
        
    for i , tName in enumerate(threadList):
        thread = myThread(threadID, tName, pieces_queue_list[i],data_queue_list[i])
        thread.start()
        threads.append(thread)
        threadID += 1

    # Wait for all threads to complete
    for t in threads:
        t.join()
    print "Exiting Main Thread"
    
    bm = BitMap(12)
    while 1:
        if bm.all():
            print "receive all the pieces!!"
            break
        for q in data_queue_list:
            if not q.empty():
                item = q.get()
                data = item['data']
                index = item['index']
                print "receive pieces:%s data:%s\n" % (data,data)
                bm.set(index)
コード例 #24
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class Piece(object):
    def __init__(self, index, piece_length, file_to_write, piece_hash):
        self.index = index
        self.piece_length = piece_length
        self.num_blocks = piece_length/BLOCK_SIZE
        self.file_to_write = file_to_write
        self.piece_hash = piece_hash
        self.block_list = []
        for block in range(self.num_blocks):
            self.block_list.append(Block(block, BLOCK_SIZE))
        if piece_length % BLOCK_SIZE != 0:
            last_block_length = piece_length % BLOCK_SIZE
            self.block_list.append(Block(self.num_blocks, last_block_length))
            self.num_blocks = self.num_blocks + 1
        self.bitmap = BitMap(self.num_blocks)
        # if self.index == 16:
        #     print "init bm: ", self.bitmap 

    def is_piece_full(self):
        for block in range(len(self.block_list)):
            if not self.block_list[block].is_block_full():
                return False
        return True

    def fill_the_block(self, block_index, block_content):
        if self.block_list[block_index].is_block_full():
            return
        self.block_list[block_index].write(block_content)
        self.bitmap.set(block_index)


    def write(self):
        if self.bitmap.all():
            bytes_to_write = bytearray('')
            for block in self.block_list:
                bytes_to_write = bytes_to_write + block.block_content
            self.file_to_write.seek(self.index * self.piece_length)
            self.file_to_write.write(bytes_to_write)
コード例 #25
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    def test_reorganize_hash_file():
        nbd.init(128)
        logicService._g = logicService._logic_service()
        # for i in BitMapIter(iter(bytearray([1, 0, 0, 2, 3, 4, 5]))):
        #     print(i)
        with open('/tmp/test.bitmap', 'rb') as f:
            _bit_map = f.read()

        bit_map = BitMap()
        bit_map.bitmap = bytearray(_bit_map)
        snapshots = [{
            "path":
            "/home/mnt/nodes/ffccc08f7d5e40119e0440fd5845259c/images/c152ad459f4c4b39897bf0127c760f66/d3632a55450d4692a5d3021727975edf.qcow",
            "ident": 'a3a1debbbe6f4c969fb0fe630d111199'
        }]
        disk_bytes = 105066964992
        hash_name = '/tmp/hash.new'
        # import os
        # os.system('echo 3 > /proc/sys/vm/drop_caches;echo 3 > /proc/sys/vm/drop_caches')

        ReorganizeHashFile(bit_map, snapshots, hash_name, hash_name + '.tmp',
                           disk_bytes).work()
        MergeHash(disk_bytes).merge(hash_name + '.reg', [hash_name])
コード例 #26
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class FileWriter(object):
    def __init__(self, total_length, file_to_write, piece_hash_array):
        self.num_pieces = total_length / PIECE_SIZE
        self.piece_list = []
        for piece in range(self.num_pieces):
            self.piece_list.append(Piece(piece, PIECE_SIZE, file_to_write, piece_hash_array[piece]))
        if total_length % PIECE_SIZE != 0:
            last_piece_length = total_length % PIECE_SIZE
            self.piece_list.append(Piece(self.num_pieces, last_piece_length, file_to_write, piece_hash_array[self.num_pieces]))
            self.num_pieces = self.num_pieces + 1
        self.bitmap = BitMap(self.num_pieces)
        # print "self.num_pieces, init bm: ", self.num_pieces, self.bitmap

    def is_file_full(self):
        for piece in range(len(self.piece_list)):
            # print piece, self.piece_list[piece].bitmap.size()
            if not self.piece_list[piece].is_piece_full():
                return False
        return True

    def update_file_bitmap(self, piece_index):
        if self.piece_list[piece_index].bitmap.all():
            self.bitmap.set(piece_index)
コード例 #27
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def testLocalBitMap(size, flips):
    id = 'test' + str(size)
    bm = BitMap(size)
    print('Created ' + id + ':') # + bm.tostring()
    print("Flipping some random bits:") #bm.tostring()
    for i in range(0,flips):
        rnd_index = randint(0, size-1)
        #print("\tflipping index: " + str(rnd_index))
        bm.flip(rnd_index)
    print("Bit sets to 1: " + str(bm.count()))
    print("Flipping some random bits:") #bm.tostring()
    for i in range(0, flips):
        rnd_index = randint(0, size - 1)
        #print("\tflipping index: " + str(rnd_index))
        bm.flip(rnd_index)
    print("Bit sets to 1: " + str(bm.count()))
    stringBM = pickle.dumps(bm)
    print("Size of the pickled string representing the bm: " + str(len(stringBM)))
    print("Loading bm from pickled string")
    bm = pickle.loads(stringBM)
    print("Bit sets to 1: " + str(bm.count()))
コード例 #28
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ファイル: tspBitmap.py プロジェクト: ngodoannghia/nam4
def slove(input_data):

    lines = input_data.split('\n')

    n = int(lines[0])

    trade = []
    tem = 0

    mem = np.full((n, pow(2, n)), -1, dtype='int')
    S = BitMap(n)

    points = []
    for i in range(1, n + 1):
        line = lines[i]
        parts = line.split()
        points.append(Point(float(parts[0]), float(parts[1])))

    def tsp(i, S):

        if (S.count() == n):
            return length(points[i], points[0])

        if (mem[i][int(S.tostring(), 2)] != -1):
            return mem[i][int(S.tostring(), 2)]
        res = INF
        for j in range(n):
            print(j)
            if (S.test(j)):
                continue
            S.set(j)
            oldres = res
            res = min(res, length(points[i], points[j]) + tsp(j, S))

        trade.append(tem)
        mem[i][int(S.tostring(), 2)] = res
        return res

    print(tsp(0, S))
    print(trade)
コード例 #29
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 def make_file(self, filetype, kernel_sz):
     # apply for inode, block
     map1 = BitMap(self.buf, self.start[0], self.size[1])
     x = map1.apply_bit()
     inode_off = self.get_area(self.start[2], x, MkImg.NODE_SZ)
     map2 = BitMap(self.buf, self.start[1], self.size[2])
     y = map2.apply_bit()
     block_off = self.get_area(self.start[3], y, self.bsize)
     # set block offset, type in inode
     node = Inode.from_buffer(self.buf, inode_off)
     # IDE driver
     node.dev_id = 5
     node.index[0] = block_off + kernel_sz
     node.link_count = 1
     node.type = filetype.value
     return inode_off, block_off
コード例 #30
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class TorrentFile(object):
    def __init__(self, file_length, pieces_hash_array, piece_size, fs):
        self.logger = logging.getLogger(__name__)

        self.pieces_num = file_length / PIECE_SIZE
        self.piece_list = []
        for piece in range(self.pieces_num):
            self.piece_list.append(
                Piece(piece, piece_size, fs, pieces_hash_array[piece]))
        #if have extra smaller pieces
        if file_length % PIECE_SIZE != 0:
            last_piece_size = file_length % piece_size
            self.piece_list.append(
                Piece(self.pieces_num, last_piece_size, fs,
                      pieces_hash_array[self.pieces_num]))
            self.pieces_num += 1
        self.bm = BitMap(self.pieces_num)
        self.logger.debug("init bm {}".format(self.bm))

    def update_bitmap(self):
        for i in range(self.pieces_num):
            if self.piece_list[i].is_complete():
                self.bm.set(i)
            else:
                self.bm.reset(i)

    def is_complete(self):
        # self.update_bitmap()
        return self.bm.all()

    ## return the missing pieces
    def missing_pieces(self):
        self.update_bitmap()
        missing_list = []
        for i in range(self.pieces_num):
            if not self.bm.test(i):
                missing_list.append(self.piece_list[i])
        return missing_list

    def set_piece(self, index, content):
        self.piece_list[index].set_block(content)
        self.piece_list[index].write_to_file()

    def get_info(self):
        for i in range(self.pieces_num):
            self.piece_list[i].get_info()
コード例 #31
0
    def _split_digit_str(self, digit_str, n_digit_per_bitmap):
        """
        split a digit string by @n_digit_per_bitmap digits as a
        group, to create bitmaps if dynamically

        @digit_str: each char in string is represented in digit
        @n_digit_per_bitmap: number of digit chars used to create
        a bitmap.
        @return: [(bm, n_width_digits), ...]

        NOTICE: for performace and easy code: bitmaps has the
        reverse order as the digit_str.
        """
        ret = []
        s, bms_idx = digit_str, -1
        while s:
            n_width_digits = s[-n_digit_per_bitmap:]
            s, bms_idx = s[:-n_digit_per_bitmap], bms_idx + 1
            if bms_idx >= len(self._bitmaps):  # not exist
                self._bitmaps.append(BitMap())
            ret.append((self._bitmaps[bms_idx], n_width_digits))
        #finally
        return ret
コード例 #32
0
ファイル: bitquadtree.py プロジェクト: GeoDaSandbox/DynTM
 def __init__(self,dateType='B',init='\x00'):
     BitMap.__init__(self,init)
     self.isleaf=False
     self.__children = [None,None,None,None]
コード例 #33
0
ファイル: mejt_reference.py プロジェクト: hankok/IbPy
def historical_data_handler(msg):
    global newDataList
    if ("finished" in str(msg.date)) == False:
        new_symbol = new_symbolinput[msg.reqId]
        data = []
        data.append(new_symbol)
        data.append(strftime("%Y-%m-%d %H:%M:%S", localtime(int(msg.date))))
        data.append(msg.open)
        data.append(msg.high)
        data.append(msg.low)
        data.append(msg.close)
        data.append(msg.volume)
        newDataList.append(data)
        print data
    else:
        # find if gaps exits between the lowest and highest points
        arrayList = np.array(newDataList)

        highs = arrayList[:, 3].astype(np.float)
        lows = arrayList[:, 4].astype(np.float)
        highest = max(highs)
        lowest = min(lows)
        num_slots = int((highest - lowest) * 1000)
        bm = BitMap.fromstring("1" * num_slots)
        # print bm.tostring()

        gap_exits = None
        for i in range(0, len(arrayList)):
            for i in range(int((lows[i] - lowest) * 1000), int((highs[i] - lowest) * 1000)):
                bm.flip(i)

        if bm.count() > 0:
            gap_exits = True
            print (
                "INVALIDATED: Gap exits before MEJT AM sequence, no prediction given!"
                + str(newDataList[bm.nonzero()[0]])
            )

        # 1. Determine the MEJT reference bar
        am_o = newDataList[-3][2]
        am_h = newDataList[-3][3]
        am_l = newDataList[-3][4]
        am_c = newDataList[-3][5]

        am1_o = newDataList[-2][2]
        am1_h = newDataList[-2][3]
        am1_l = newDataList[-2][4]
        am1_c = newDataList[-2][5]

        am2_o = newDataList[-1][2]
        am2_h = newDataList[-1][3]
        am2_l = newDataList[-1][4]
        am2_c = newDataList[-1][5]

        # The default reference line is am0, but if am1 or am2 has a lower low and higher high
        # then it is the RL
        reference_line = 0
        if am1_l < am_l and am1_h > am_h:
            reference_line = 1

        if am2_l < am_l and am2_h > am_h and am2_l < am1_l and am2_h > am1_h:
            reference_line = 2
        print (
            "Reference line is AM+" + str(reference_line) + "  Time(Local): " + str(newDataList[reference_line - 3][1])
        )
コード例 #34
0
    # set up caffe
    caffe.set_mode_gpu()
    caffe.set_device(args.gpu_id)

    imdb = get_Imdbs(args.imdb_name)
    roidb = get_training_roidb(imdb)
    print '{:d} roidb entries'.format(len(roidb))

    output_dir = get_output_dir(imdb)
    print 'Output will be saved to `{:s}`'.format(output_dir)

    # some statistic to record
    alamount = 0
    ssamount = 0
    # set bitmap for AL
    tableA = BitMap(imdb.num_images)
    # choose initiail samples:VOC2007
    sample_num = imdb.num_images
    train_num = len(imdb[imdb.item_name(0)].roidb)
    print 'All VOC2007 images use for initial train, image numbers:%d' % (
        train_num)
    for i in range(train_num):
        tableA.set(i)

    train_roidb = [roidb[i] for i in range(train_num)]
    pretrained_model_name = args.pretrained_model

    # static parameters
    tao = 60000
    beta = 1000
    # updatable hypeparameters
コード例 #35
0
sensorRadius = 6
swarmSize = 180
shapeWidth = 7
tick = 20  # milliseconds
velocity = 1
ang_velocity = 10
# robotRadius = 0.7
# sensorRadius = 6
# swarmSize = 90
# shapeWidth = 7
# tick = 20 # milliseconds
# velocity = 1
# ang_velocity = 5
file_path = "shapes/tumor100.png"

bitmap = BitMap(file_path)
origin = bitmap.origin
datafile = open(file_path)
img = imread(datafile, mode='L')
img[np.nonzero(img - 255)] = 0

fieldSizeX1 = 0
fieldSizeX2 = 100 + fieldSizeX1
fieldSizeY1 = 0
fieldSizeY2 = 100 + fieldSizeY1

#shape to assemble
shapeX = np.array([0, 20, 20, 10, 10, 0, 0])
shapeY = np.array([0, 0, 10, 10, 20, 20, 0])
shapeOffsetX = 0
shapeOffsetY = 0
コード例 #36
0
ファイル: test_bitmap.py プロジェクト: pombredanne/bitmap
 def test_str(self):
     """ Test BitMap: create
     """
     for bitstr in self.v_str:
         bm = BitMap.fromstring(bitstr)
         self.assertEqual(self.helper_str_zfill(bitstr), bm.tostring())