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

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596def writeBinaryData(filename, binary_data):
597 # Prevent accidental overwriting. When this happens the collision detection
598 # or something else has failed.
599 assert not os.path.isfile(filename), filename
600
601 assert type(binary_data) is bytes
602
603 with open(filename, "wb") as output_file:
604 output_file.write(binary_data)
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27def write_file(name, data):
28 """ Write a file. """
29 try:
30 with open(name, 'w', encoding='utf-8') as f:
31 # write the data
32 if sys.version_info.major == 2:
33 f.write(data.decode('utf-8'))
34 else:
35 f.write(data)
36 except IOError as e:
37 (errno, strerror) = e.args
38 sys.stderr.write('Failed to write file ' + name + ': ' + strerror)
39 raise
260def write_data_to_file(content, file_path):
261 """Writes data to file."""
262 with open(file_path, 'wb') as file_handle:
263 file_handle.write(str(content))
251def write_string_to_file(filename, file_content):
252 """Writes a string to a given file.
253
254 Args:
255 filename: string, path to a file
256 file_content: string, contents that need to be written to the file
257
258 Raises:
259 errors.OpError: If there are errors during the operation.
260 """
261 with FileIO(filename, mode="w") as f:
262 f.write(file_content)
4def save_to_file(text, filename):
5 with open(filename, 'wb') as f:
6 f.write(b'<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />')
7 f.write(text.encode('utf-8'))
38async def save_file(file, data, byte_=False):
39 mode = "w" if not byte_ else "wb"
40 async with aiofiles.open(file, mode=mode) as f:
41 await f.write(data)
57def write_decoded(decoded, target_file):
58 Path(target_file).write_bytes(decoded)
188def WriteFile(path, contents):
189 """
190 Safely attempt to write data to a file,
191 replacing the existing file or creating it and
192 ensuring file is always closed at exit.
193 Return the exception object.
194 The error is None if the data was written.
195 Log results to stderr.
196 """
197 error = None
198 with opened_w_error(path, 'w+') as (F, error):
199 if error:
200 print("Exception opening file " + path + " Error Code: " + str(error.errno) + " Error: " + error.message + error.strerror, file=sys.stderr)
201 LG().Log('ERROR', "Exception opening file " + path + " Error Code: " + str(error.errno) + " Error: " + error.message + error.strerror)
202 else:
203 F.write(contents)
204 return error
40def write_new_text_file(file_path: pathlib.Path,
41 contents: str):
42 """
43 Fails if the file already exists.
44 """
45 with file_path.open('x') as f:
46 f.write(contents)
5@pure
6def save_test_data(file_name, data):
7 with open(file_name, 'wb') as f:
8 for d in data:
9 f.write(d.to_bytes(1, 'little'))

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