4
我的腳本編寫由大塊大塊的文件,使用預先生成的數據模式:「預期類型‘聯盟[海峽,字節組]’了‘詮釋’,而不是」在寫方法警告
# Data pattern generator
def get_random_chunk_pattern():
return ''.join(random.choice(ascii_uppercase + digits + ascii_lowercase) for _ in range(8))
... 。
# DedupChunk class CTOR:
class DedupChunk:
def __init__(self, chunk_size, chunk_pattern, chunk_position=0, state=DedupChunkStates.PENDING):
self._chunk_size = chunk_size # chunk size in bytes
self._chunk_pattern = chunk_pattern
self._chunk_position = chunk_position
self._state = state
self.mapping = None
@property
def size(self):
return self._chunk_size
@property
def pattern(self):
return self._chunk_pattern
@property
def position(self):
return self._chunk_position
@property
def state(self):
return self._state
....
# Here Chunk object is being initialized (inside other class's CTOR):
chunk_size = random.randint(64, 192) * 1024 # in bytes
while (position + chunk_size) < self.file_size: # generating random chunks number
self.chunks.append(DedupChunk(chunk_size, DedupChunkPattern.get_random_chunk_pattern(), position))
....
個# Actual writing
with open(self.path, 'rb+') as f:
for chunk in self.chunks:
f.write(chunk.pattern * (chunk.size // 8))
PyCharm
顯示在寫方法
「Expected type 'Union[str, bytearray]' got 'int' instead
」 警告,但在 f.write(chunk.pattern * chunk.size)
去除除法時,或外面做除法:
chunk.size //= 8
f.write(chunk.pattern * chunk.size)
警告消失
這裏實際上發生了什麼?
謝謝
好吧,首先,'chunk.size'和'chunk_size'不是一回事...... –
糟糕,我的錯誤。更新 – Samuel
不知道'chunk.pattern'的內容和類型,很難知道發生了什麼。你可以在沒有乘法的情況下寫入'chunk.pattern'文件嗎? – Evert