本文整理汇总了Python中io.BufferedReader.tell方法的典型用法代码示例。如果您正苦于以下问题：Python BufferedReader.tell方法的具体用法？Python BufferedReader.tell怎么用？Python BufferedReader.tell使用的例子？那么, 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io.BufferedReader的用法示例。
在下文中一共展示了BufferedReader.tell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: __init__
# 需要导入模块: from io import BufferedReader [as 别名]
# 或者: from io.BufferedReader import tell [as 别名]
#.........这里部分代码省略.........
length = first_byte
padding = (length + 1) % 4
data = self.read(length)
if padding > 0:
padding = 4 - padding
self.read(padding)
return data
def tgread_string(self):
"""Reads a Telegram-encoded string."""
return str(self.tgread_bytes(), encoding='utf-8', errors='replace')
def tgread_bool(self):
"""Reads a Telegram boolean value."""
value = self.read_int(signed=False)
if value == 0x997275b5: # boolTrue
return True
elif value == 0xbc799737: # boolFalse
return False
else:
raise RuntimeError('Invalid boolean code {}'.format(hex(value)))
def tgread_date(self):
"""Reads and converts Unix time (used by Telegram)
into a Python datetime object.
"""
value = self.read_int()
if value == 0:
return None
else:
return datetime.fromtimestamp(value, tz=timezone.utc)
def tgread_object(self):
"""Reads a Telegram object."""
constructor_id = self.read_int(signed=False)
clazz = tlobjects.get(constructor_id, None)
if clazz is None:
# The class was None, but there's still a
# chance of it being a manually parsed value like bool!
value = constructor_id
if value == 0x997275b5: # boolTrue
return True
elif value == 0xbc799737: # boolFalse
return False
elif value == 0x1cb5c415: # Vector
return [self.tgread_object() for _ in range(self.read_int())]
clazz = core_objects.get(constructor_id, None)
if clazz is None:
# If there was still no luck, give up
self.seek(-4) # Go back
pos = self.tell_position()
error = TypeNotFoundError(constructor_id, self.read())
self.set_position(pos)
raise error
return clazz.from_reader(self)
def tgread_vector(self):
"""Reads a vector (a list) of Telegram objects."""
if 0x1cb5c415 != self.read_int(signed=False):
raise RuntimeError('Invalid constructor code, vector was expected')
count = self.read_int()
return [self.tgread_object() for _ in range(count)]
# endregion
def close(self):
"""Closes the reader, freeing the BytesIO stream."""
self.reader.close()
# region Position related
def tell_position(self):
"""Tells the current position on the stream."""
return self.reader.tell()
def set_position(self, position):
"""Sets the current position on the stream."""
self.reader.seek(position)
def seek(self, offset):
"""
Seeks the stream position given an offset from the current position.
The offset may be negative.
"""
self.reader.seek(offset, os.SEEK_CUR)
# endregion
# region with block
def __enter__(self):
return self
def __exit__(self, exc_type, exc_val, exc_tb):
self.close()