本文整理汇总了Python中bitstring.BitStream.findall方法的典型用法代码示例。如果您正苦于以下问题:Python BitStream.findall方法的具体用法?Python BitStream.findall怎么用?Python BitStream.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.BitStream
的用法示例。
在下文中一共展示了BitStream.findall方法的1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: GmoFile
# 需要导入模块: from bitstring import BitStream [as 别名]
# 或者: from bitstring.BitStream import findall [as 别名]
class GmoFile():
def __init__(self, data = None, offset = 0, filename = None):
self.data = None
self.__gim_files = []
self.gimconv = GimConverter()
if not data == None:
self.load_data(data, offset)
elif not filename == None:
self.load_file(filename)
def load_file(self, filename):
data = BitStream(filename = filename)
self.load_data(data)
def load_data(self, data, offset = 0):
if not data[offset * 8 : offset * 8 + GMO_MAGIC.len] == GMO_MAGIC:
_LOGGER.error("GMO header not found at 0x%04X." % offset)
return
data.bytepos = offset + GMO_SIZE_OFFSET
gmo_size = data.read("uintle:32") + GMO_SIZE_DIFF
self.data = BitStream(data[offset * 8 : (offset + gmo_size) * 8])
self.__find_gims()
def save(self, filename):
with open(filename, "wb") as f:
self.data.tofile(f)
def __find_gims(self):
if self.data == None:
return
self.__gim_files = []
for gim_start in self.data.findall(GIM_MAGIC, bytealigned = True):
gim_size_pos = gim_start + (GIM_SIZE_OFFSET * 8) # Bit pos.
gim_size = self.data[gim_size_pos : gim_size_pos + 32].uintle + GIM_SIZE_DIFF
# And turn it into a byte position.
gim_start /= 8
self.__gim_files.append((gim_start, gim_size))
def gim_count(self):
return len(self.__gim_files)
def get_gim(self, gim_id):
if gim_id >= self.gim_count():
raise GimIndexError("Invalid GIM ID.")
gim_start, gim_size = self.__gim_files[gim_id]
gim_data = self.data[gim_start * 8 : (gim_start + gim_size) * 8]
return gim_data
def replace_png_file(self, gim_id, filename, quantize_to_fit = True):
if quantize_to_fit:
quantize_order = [QuantizeType.auto, QuantizeType.index8, QuantizeType.index4]
else:
quantize_order = [QuantizeType.auto]
quantize_id = 0
(fd, temp_gim) = tempfile.mkstemp(suffix = ".gim", prefix = "sdse-")
os.close(fd) # Don't need the open file handle.
while True:
self.gimconv.png_to_gim(filename, temp_gim, quantize_order[quantize_id])
try:
self.replace_gim_file(gim_id, temp_gim)
except GimSizeError:
quantize_id += 1
except GimIndexError:
os.remove(temp_gim)
raise
else:
# If we didn't except, that means we succeeded, so we can leave.
_LOGGER.debug("Quantized PNG to %s" % quantize_order[quantize_id])
break
if quantize_id > len(quantize_order):
_LOGGER.error("Unable to convert %s into a GIM small enough to insert." % filename)
break
os.remove(temp_gim)
def replace_gim_file(self, gim_id, filename):
gim_data = BitStream(filename = filename)
self.replace_gim(gim_id, gim_data)
def replace_gim(self, gim_id, gim_data):
if gim_id >= self.gim_count():
raise GimIndexError("Invalid GIM ID.")
gim_start, gim_size = self.__gim_files[gim_id]
#.........这里部分代码省略.........