本文整理汇总了Python中bitstring.ConstBitStream.findall方法的典型用法代码示例。如果您正苦于以下问题：Python ConstBitStream.findall方法的具体用法？Python ConstBitStream.findall怎么用？Python ConstBitStream.findall使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类bitstring.ConstBitStream的用法示例。
在下文中一共展示了ConstBitStream.findall方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: print
# 需要导入模块: from bitstring import ConstBitStream [as 别名]
# 或者: from bitstring.ConstBitStream import findall [as 别名]
# Search to Start of Frame 0 code on byte boundary
foundMoviOffset = s.find('0x6D6F7669', bytealigned=True)
if foundMoviOffset:
moviOffset = foundMoviOffset[0] / 8
print("Found movi signature at byte offset %X" % moviOffset)
else:
print "Signature movi not found"
print ("Current bytepos %X" % s.bytepos)
foundIdx1Offset = s.find('0x69647831', bytealigned=True)
if foundIdx1Offset:
idx1Offset = foundIdx1Offset[0] / 8
print("Found idx1 signature at byte offset %X" % idx1Offset)
else:
print "Signature idx1 not found"
print ("Current bytepos %X" % s.bytepos)
found01dcOffset = s.findall('0x30316463', bytealigned=True)
for i in found01dcOffset:
i = (i /8) + 8
print("%X" % i)
s.bytepos = i
print s.bytepos
timeStamp = s.read(64).bin
print timeStamp
print ("Time is %d" % timeStamp)
# print filetime_to_dt(timeStamp)
# s.bytepos = i + 4
# print s.bytepos
# timelow = s.read(32).Q
# t = float(timehigh)*2**32 + timelow
# print (t*1e-7 - 11644473600)示例2: __init__
# 需要导入模块: from bitstring import ConstBitStream [as 别名]
# 或者: from bitstring.ConstBitStream import findall [as 别名]
class FileReader:
""" Some basic functionality for reading data from Binary files. """
def __init__(self, filename):
self.filename = filename
if isinstance(filename, str):
self.file = open(filename, 'rb')
self.bits = ConstBitStream(open(filename, 'rb'))
def __enter__(self):
return self
def __exit__(self, type, value, traceback):
self.file.close()
def skip_bytes(self,count=1):
self.bits.read('pad:{0}'.format(count*8))
def peek_int(self):
return self.bits.peek(32).uintle
def forward_to_first_non_zero_byte(self, start, end):
self.bits.pos = start
while self.bits.pos < end and self.bits.read(8).intle == 0:
pass
self.bits.pos -= 8
def read_strings_from_block(self, start, end, stopAtEmptyString=False):
self.bits.pos = start
r = []
while self.bits.pos < end:
s = self.read_string()
if s == "" and stopAtEmptyString:
return r
r.append(s)
return tuple(r)
def read_int(self):
""" Read a single little endian 4 byte integer """
return self.bits.read(32).intle
def findall(self,bs):
return self.bits.findall(bs,bytealigned=True)
def read_bytes(self, count):
return self.bits.read(count*8)
def read_byte(self, skip = 0):
i = self.bits.read(8).uint
if skip > 0:
self.skip_bytes(skip)
return i
def read_string_safe(self):
return self.bits.read('bytes:{0}'.format(self.read_byte(skip=3))).decode("utf-8", 'replace')
def find(self, bs, start, end):
return self.bits.find(bs,start, end, True )
def find_first(self, bs):
return self.bits.find(bs)
def extract_compressed_payloads(self):
files = []
occ = self.findall('0x789C')
i = 0
readSize = 2**12
for pos in occ:
self.bits.pos = pos
#read the start of the stream into a buffer.
if (self.bits.length - self.pos) < 8*2**12:
readSize = int((self.bits.length - self.pos) / 8)
buf = self.bits.read('bytes:{0}'.format(readSize))
zo = zlib.decompressobj()
#start the decompression
try:
stream = zo.decompress(buf)
except zlib.error: # right magic number but not a zlib stream.
continue
while zo.unused_data == b'' and readSize >= 2**12:
if (self.bits.length - self.pos) < 8*2**12:
readSize = int((self.bits.length - self.pos) / 8)
block = self.bits.read('bytes:{0}'.format(readSize))
if len(block)> 0:
try:
stream += zo.decompress(block)
except zlib.error:
pass
else:
break # we've reached EOF
with open(self.filename + '_' + str(i) + '.decompressed', 'wb') as fh:
#.........这里部分代码省略.........