Method _mkdir

IPython/core/profiledir.py:71–103

ensure a directory exists at a given path This is a version of os.mkdir, with the following differences: - returns True if it created the directory, False otherwise - ignores EEXIST, protecting against race conditions where the dir may have been created in between

(self, path, mode=None)

        self.check_dirs()
    
    def _mkdir(self, path, mode=None):
        """ensure a directory exists at a given path

        This is a version of os.mkdir, with the following differences:

        - returns True if it created the directory, False otherwise
        - ignores EEXIST, protecting against race conditions where
          the dir may have been created in between the check and
          the creation
        - sets permissions if requested and the dir already exists
        """
        if os.path.exists(path):
            if mode and os.stat(path).st_mode != mode:
                try:
                    os.chmod(path, mode)
                except OSError:
                    self.log.warning(
                        "Could not set permissions on %s",
                        path
                    )
            return False
        try:
            if mode:
                os.mkdir(path, mode)
            else:
                os.mkdir(path)
        except OSError as e:
            if e.errno == errno.EEXIST:
                return False
            else:
                raise

        return True
    
    @observe('log_dir')
    def check_log_dir(self, change=None):