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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def open(self):
 """Open the subtitle file into an Aeidon project."""

        try:
            self.project.open_main(self.filename)
        except UnicodeDecodeError:
            with open(self.filename, 'rb') as openfile:
                encoding = get_encoding(openfile.read())

            try:
                self.project.open_main(self.filename, encoding)
            except UnicodeDecodeError:
                LOGGER.error("'%s' encountered a fatal encoding error",
                             self.filename)
                sys.exit(1)
            except:  # pylint: disable=W0702
                open_error(self.filename)

        except:  # pylint: disable=W0702
            open_error(self.filename)