| """check builtin data descriptors such as mode and name attributes on a file are correctly handled |
| |
| bug notified by Pierre Rouleau on 2005-04-24 |
| """ |
| from __future__ import print_function |
| __revision__ = None |
| |
| |
| class File(file): # pylint: disable=undefined-variable |
| """ Testing new-style class inheritance from file""" |
| def __init__(self, name, mode="r", buffering=-1, verbose=False): |
| """Constructor""" |
| self.was_modified = False |
| self.verbose = verbose |
| super(File, self).__init__(name, mode, buffering) # [super-with-arguments] |
| if self.verbose: |
| print(f"File {self.name} is opened. The mode is: {self.mode}") |
| |
| def write(self, a_string): |
| """ Write a string to the file.""" |
| super(File, self).write(a_string) # [super-with-arguments] |
| self.was_modified = True |
| |
| def writelines(self, sequence): |
| """ Write a sequence of strings to the file. """ |
| super(File, self).writelines(sequence) # [super-with-arguments] |
| self.was_modified = True |
| |
| def close(self): |
| """Close the file.""" |
| if self.verbose: |
| print(f"Closing file {self.name}") |
| super(File, self).close() # [super-with-arguments] |
| self.was_modified = False |
