def __init__(self, filename):
"""
:param filename: The file to write to
:type filename: str
:raise spinn_storage_handlers.exceptions.DataWriteException: If the\
file cannot found or opened for writing
"""
self._file_container = BufferedFileDataStorage(filename, "w+b")
class FileDataWriter(AbstractDataWriter):
__slots__ = [
# the file container
"_file_container"
]
def __init__(self, filename):
"""
:param filename: The file to write to
:type filename: str
:raise spinn_storage_handlers.exceptions.DataWriteException: If the\
file cannot found or opened for writing
"""
self._file_container = BufferedFileDataStorage(filename, "w+b")
def write(self, data):
""" See \
:py:meth:`data_specification.abstract_data_writer.AbstractDataWriter.write`
"""
self._file_container.write(data)
def tell(self):
""" Returns the position of the file cursor
:return: Position of the file cursor
:rtype: int
"""
return self._file_container.tell_write()
def close(self):
""" Closes the file
:return: Nothing is returned
:rtype: None
:raise spinn_storage_handlers.exceptions.DataWriteException: If the\
file cannot be closed
"""
self._file_container.close()
@property
def filename(self):
"""
property method
:return:
"""
return self._file_container.filename
def __init__(self, filename):
"""
:param filename: The file to read
:type filename: str
:raise spinn_storage_handlers.exceptions.DataReadException: If the\
file cannot found or opened for reading
"""
self._file_container = BufferedFileDataStorage(filename, "rb")
class FileDataWriter(AbstractDataWriter):
def __init__(self, filename):
"""
:param filename: The file to write to
:type filename: str
:raise spinn_storage_handlers.exceptions.DataWriteException: If the\
file cannot found or opened for writing
"""
self._file_container = BufferedFileDataStorage(filename, "w+b")
def write(self, data):
""" See \
:py:meth:`data_specification.abstract_data_writer.AbstractDataWriter.write`
"""
self._file_container.write(data)
def tell(self):
""" Returns the position of the file cursor
:return: Position of the file cursor
:rtype: int
"""
return self._file_container.tell_write()
def close(self):
""" Closes the file
:return: Nothing is returned
:rtype: None
:raise spinn_storage_handlers.exceptions.DataWriteException: If the\
file cannot be closed
"""
self._file_container.close()
@property
def filename(self):
"""
property method
:return:
"""
return self._file_container.filename
class FileDataReader(AbstractDataReader):
""" A reader that can read data from a file
"""
__slots__ = [
# the container for the file
"_file_container"
]
def __init__(self, filename):
"""
:param filename: The file to read
:type filename: str
:raise spinn_storage_handlers.exceptions.DataReadException: If the\
file cannot found or opened for reading
"""
self._file_container = BufferedFileDataStorage(filename, "rb")
def read(self, n_bytes):
""" See\
:py:meth:`data_specification.abstract_data_reader.AbstractDataReader.read`
"""
return self._file_container.read(n_bytes)
def readall(self):
""" See\
:py:meth:`data_specification.abstract_data_reader.AbstractDataReader.readall`
"""
return self._file_container.read_all()
def readinto(self, data):
""" See\
:py:meth:`data_specification.abstract_data_reader.AbstractDataReader.readinto`
"""
return self._file_container.readinto(data)
def tell(self):
""" Returns the position of the file cursor
:return: Position of the file cursor
:rtype: int
"""
return self._file_container.tell_read()
def close(self):
""" Closes the file
:return: Nothing is returned:
:rtype: None
:raise spinn_storage_handlers.exceptions.DataReadException: If the\
file cannot be closed
"""
self._file_container.close()
class FileDataReader(AbstractDataReader):
""" A reader that can read data from a file
"""
def __init__(self, filename):
"""
:param filename: The file to read
:type filename: str
:raise spinn_storage_handlers.exceptions.DataReadException: If the\
file cannot found or opened for reading
"""
self._file_container = BufferedFileDataStorage(filename, "rb")
def read(self, n_bytes):
""" See\
:py:meth:`data_specification.abstract_data_reader.AbstractDataReader.read`
"""
return self._file_container.read(n_bytes)
def readall(self):
""" See\
:py:meth:`data_specification.abstract_data_reader.AbstractDataReader.readall`
"""
return self._file_container.read_all()
def readinto(self, data):
""" See\
:py:meth:`data_specification.abstract_data_reader.AbstractDataReader.readinto`
"""
return self._file_container.readinto(data)
def tell(self):
""" Returns the position of the file cursor
:return: Position of the file cursor
:rtype: int
"""
return self._file_container.tell_read()
def close(self):
""" Closes the file
:return: Nothing is returned:
:rtype: None
:raise spinn_storage_handlers.exceptions.DataReadException: If the\
file cannot be closed
"""
self._file_container.close()
