10 examples of 'python write to file without overwriting' in Python

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def write_to_file(interpreter, pseudo_self, parameters):
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    data_obj = parameters[0]
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    assert isinstance(data_obj, PrimitiveStrObject)
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    assert isinstance(pseudo_self, PrimitiveFileObject)
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    pseudo_self.value.write(data_obj.value)
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    return pseudo_self

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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

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def writefile(filename,content,lvprt=1):
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  # content can be either a string or a list of strings
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  try:
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    f=open(filename,'w')
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    if isinstance(content,list):
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      for line in content:
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        f.write(line)
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    elif isinstance(content,str):
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      f.write(content)
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    else:
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      print 'Content %s cannot be written to file!' % (content)
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    f.close()
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    if lvprt>=1:
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        print 'File %s written.'%filename
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  except IOError:
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    print 'Could not write to file %s!' % (filename)
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    sys.exit(13)

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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)

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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

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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)

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def write(s):
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    if not opts.dry_run:
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        fp.write(s)

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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))

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def write_text_to_file(filepath, text):
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    with io.open(filepath, 'w', encoding='utf-8') as f:
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        f.write(text)

36
def write_to_file(file, sweetberry, inas):
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    """Writes records of |sweetberry| to |file|
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    Args:
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      file: file to write to.
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      sweetberry: sweetberry type. A or B.
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      inas: list of inas read from board file.
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    """
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    with open(file, 'w') as pyfile:
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        pyfile.write('inas = [\n')
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        for rec in inas:
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            if rec['sweetberry'] != sweetberry:
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                continue
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            # EX : ('sweetberry', 0x40, 'SB_FW_CAM_2P8', 5.0, 1.000, 3, False),
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            channel, i2c_addr = Spower.CHMAP[rec['channel']]
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            record = ("    ('sweetberry', 0x%02x, '%s', 5.0, %f, %d, 'True')"
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                      ",\n" % (i2c_addr, rec['name'], rec['rs'], channel))
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            pyfile.write(record)
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        pyfile.write(']\n')