| | |
| | | |
| | | |
| | | import os |
| | | import string |
| | | from pathlib import Path |
| | |
| | | FUN_ALPHA = pynini.union(FUN_LOWER, FUN_UPPER).optimize() |
| | | |
| | | FUN_SPACE = " " |
| | | FUN_WHITE_SPACE = pynini.union(" ", "\t", "\n", "\r", u"\u00A0").optimize() |
| | | FUN_WHITE_SPACE = pynini.union(" ", "\t", "\n", "\r", "\u00A0").optimize() |
| | | FUN_NOT_SPACE = pynini.difference(FUN_CHAR, FUN_WHITE_SPACE).optimize() |
| | | FUN_NOT_QUOTE = pynini.difference(FUN_CHAR, r'"').optimize() |
| | | |
| | |
| | | delete_extra_space = pynini.cross(pynini.closure(FUN_WHITE_SPACE, 1), " ") |
| | | |
| | | |
| | | def generator_main(file_name: str, graphs: Dict[str, 'pynini.FstLike']): |
| | | def generator_main(file_name: str, graphs: Dict[str, "pynini.FstLike"]): |
| | | """ |
| | | Exports graph as OpenFst finite state archive (FAR) file with given file name and rule name. |
| | | |
| | |
| | | for rule, graph in graphs.items(): |
| | | exporter[rule] = graph.optimize() |
| | | exporter.close() |
| | | print(f'Created {file_name}') |
| | | print(f"Created {file_name}") |
| | | |
| | | |
| | | class GraphFst: |
| | |
| | | self._fst = None |
| | | self.deterministic = deterministic |
| | | |
| | | self.far_path = Path(os.path.dirname(__file__) + '/grammars/' + kind + '/' + name + '.far') |
| | | self.far_path = Path(os.path.dirname(__file__) + "/grammars/" + kind + "/" + name + ".far") |
| | | if self.far_exist(): |
| | | self._fst = Far(self.far_path, mode="r", arc_type="standard", far_type="default").get_fst() |
| | | self._fst = Far( |
| | | self.far_path, mode="r", arc_type="standard", far_type="default" |
| | | ).get_fst() |
| | | |
| | | def far_exist(self) -> bool: |
| | | """ |
| | |
| | | return self.far_path.exists() |
| | | |
| | | @property |
| | | def fst(self) -> 'pynini.FstLike': |
| | | def fst(self) -> "pynini.FstLike": |
| | | return self._fst |
| | | |
| | | @fst.setter |
| | | def fst(self, fst): |
| | | self._fst = fst |
| | | |
| | | def add_tokens(self, fst) -> 'pynini.FstLike': |
| | | def add_tokens(self, fst) -> "pynini.FstLike": |
| | | """ |
| | | Wraps class name around to given fst |
| | | |
| | |
| | | """ |
| | | return pynutil.insert(f"{self.name} {{ ") + fst + pynutil.insert(" }") |
| | | |
| | | def delete_tokens(self, fst) -> 'pynini.FstLike': |
| | | def delete_tokens(self, fst) -> "pynini.FstLike": |
| | | """ |
| | | Deletes class name wrap around output of given fst |
| | | |
| | |
| | | + delete_space |
| | | + pynutil.delete("}") |
| | | ) |
| | | return res @ pynini.cdrewrite(pynini.cross(u"\u00A0", " "), "", "", FUN_SIGMA) |
| | | return res @ pynini.cdrewrite(pynini.cross("\u00A0", " "), "", "", FUN_SIGMA) |