10 examples of 'python write bytes to file' in Python

596
def writeBinaryData(filename, binary_data):
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    # Prevent accidental overwriting. When this happens the collision detection
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    # or something else has failed.
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    assert not os.path.isfile(filename), filename
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    assert type(binary_data) is bytes
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    with open(filename, "wb") as output_file:
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        output_file.write(binary_data)

27
def write_file(name, data):
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  """ Write a file. """
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  try:
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    with open(name, 'w', encoding='utf-8') as f:
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      # write the data
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      if sys.version_info.major == 2:
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        f.write(data.decode('utf-8'))
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      else:
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        f.write(data)
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  except IOError as e:
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    (errno, strerror) = e.args
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    sys.stderr.write('Failed to write file ' + name + ': ' + strerror)
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    raise

260
def write_data_to_file(content, file_path):
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  """Writes data to file."""
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  with open(file_path, 'wb') as file_handle:
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    file_handle.write(str(content))

251
def write_string_to_file(filename, file_content):
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  """Writes a string to a given file.
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  Args:
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    filename: string, path to a file
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    file_content: string, contents that need to be written to the file
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  Raises:
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    errors.OpError: If there are errors during the operation.
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  """
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  with FileIO(filename, mode="w") as f:
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    f.write(file_content)

4
def save_to_file(text, filename):
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    with open(filename, 'wb') as f:
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        f.write(b'')
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        f.write(text.encode('utf-8'))

38
async def save_file(file, data, byte_=False):
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    mode = "w" if not byte_ else "wb"
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    async with aiofiles.open(file, mode=mode) as f:
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        await f.write(data)

57
def write_decoded(decoded, target_file):
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    Path(target_file).write_bytes(decoded)

188
def WriteFile(path, contents):
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    """
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    Safely attempt to write data to a file,
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    replacing the existing file or creating it and
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    ensuring file is always closed at exit.
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    Return the exception object.
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    The error is None if the data was written.
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    Log results to stderr.
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    """
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    error = None
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    with opened_w_error(path, 'w+') as (F, error):
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        if error:
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            print("Exception opening file " + path + " Error Code: " + str(error.errno) + " Error: " + error.message + error.strerror, file=sys.stderr)
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            LG().Log('ERROR', "Exception opening file " + path + " Error Code: " + str(error.errno) + " Error: " + error.message + error.strerror)
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        else:
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            F.write(contents)
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    return error

40
def write_new_text_file(file_path: pathlib.Path,
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                        contents: str):
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    """
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    Fails if the file already exists.
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    """
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    with file_path.open('x') as f:
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        f.write(contents)

5
@pure
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def save_test_data(file_name, data):
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    with open(file_name, 'wb') as f:
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        for d in data:
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            f.write(d.to_bytes(1, 'little'))