PyPI 官网下载 | eazzyformat-1.1.tar.gz

from dataclasses import dataclass from typing import Union, Optional, List from eazzyformat.string_iterators import StringIteratorWithNewlinesCounting class BaseEazzyFormatSyntaxError(Exception): character_state: str def __init__(self, character_number: int, character: str, line_number: int): self.character_number = character_number self.character = character self.line_number = line_number def __str__(self): return ( f"{self.character_state} character '{self.character}' on line " f"{self.line_number}, character number {self.character_number}" ) class UnexpectedCharacter(BaseEazzyFormatSyntaxError): character_state = "Unexpected" class UnclosedCharacter(BaseEazzyFormatSyntaxError): character_state = "Unclosed" class NothingToParse(Exception): pass class ListEnded(Exception): pass EazzyObject = Union[str, List["EazzyObject"]] @dataclass class ParsingResult: parsed_object: EazzyObject rest_index: Optional[int] def _parse_eazzyformat_object( string_iterator: StringIteratorWithNewlinesCounting) -> EazzyObject: try: character = string_iterator.skip(" \n\t") except StopIteration: raise NothingToParse from None else: if character == "[": parsed_objects_list = [] character_number = string_iterator.previous_character_number line_number = string_iterator.line_number while True: try: parsed_object = _parse_eazzyformat_object(string_iterator) except NothingToParse: raise UnclosedCharacter( character_number, "[", line_number ) from None except ListEnded: break else: parsed_objects_list.append(parsed_object) return parsed_objects_list elif character == "]": raise ListEnded elif character == "\"": character_number = string_iterator.previous_character_number line_number = string_iterator.line_number try: string = string_iterator.collect_to("\"") next(string_iterator) return string except StopIteration: raise UnclosedCharacter( character_number, "\"", line_number ) from None else: raise UnexpectedCharacter( string_iterator.previous_character_number, character, string_iterator.line_number ) def parse_eazzyformat(string: str) -> ParsingResult: """ Returns a string or list. Every list can contain other lists or strings Can raise NothingToParse """ string_iterator = StringIteratorWithNewlinesCounting(string) parsed_object = _parse_eazzyformat_object(string_iterator) text_after_object_index = string_iterator.index try: string_iterator.skip(" \n\t") except StopIteration: return ParsingResult(parsed_object, rest_index=None) else: return ParsingResult(parsed_object, rest_index=text_after_object_index)