def _preread_check(self):
if not self._read_buf:
if not self._read_check_passed:
raise errors.PermissionDeniedError(
None, None, "File isn't open for reading")
self._read_buf = _pywrap_file_io.BufferedInputStream(
compat.path_to_str(self.__name), 1024 * 512)
def _prewrite_check(self):
if not self._writable_file:
if not self._write_check_passed:
raise errors.PermissionDeniedError(None, None,
"File isn't open for writing")
self._writable_file = pywrap_tensorflow.CreateWritableFile(
compat.as_bytes(self.__name), compat.as_bytes(self.__mode))
def _preread_check(self):
if not self._read_buf:
if not self._read_check_passed:
raise errors.PermissionDeniedError(None, None,
"File isn't open for reading")
self._read_buf = pywrap_tensorflow.CreateBufferedInputStream(
compat.as_bytes(self.__name), 1024 * 512)
def _preread_check(self):
if not self._read_buf:
if not self._read_check_passed:
raise errors.PermissionDeniedError(
None, None, "File isn't open for reading")
with errors.raise_exception_on_not_ok_status() as status:
self._read_buf = pywrap_tensorflow.CreateBufferedInputStream(
compat.as_bytes(self.__name), 1024 * 512, status)
def _prewrite_check(self):
if not self._writable_file:
if not self._write_check_passed:
raise errors.PermissionDeniedError(None, None,
"File isn't open for writing")
with errors.raise_exception_on_not_ok_status() as status:
self._writable_file = pywrap_tensorflow.CreateWritableFile(
compat.as_bytes(self.__name), compat.as_bytes(self.__mode), status)
def read(self):
"""Returns the contents of a file as a string."""
if not self._read_check_passed:
raise errors.PermissionDeniedError(None, None,
"File isn't open for reading")
with errors.raise_exception_on_not_ok_status() as status:
return pywrap_tensorflow.ReadFileToString(
compat.as_bytes(self.__name), status)
def write(self, file_content):
"""Writes file_content to the file."""
if not self._write_check_passed:
raise errors.PermissionDeniedError(None, None,
"File isn't open for writing")
with errors.raise_exception_on_not_ok_status() as status:
pywrap_tensorflow.WriteStringToFile(compat.as_bytes(self.__name),
compat.as_bytes(file_content),
status)
def tell(self):
"""Returns the current position in the file."""
if not self._read_check_passed:
raise errors.PermissionDeniedError(None, None,
"File isn't open for reading")
return self._read_buf.Tell()
