mirror of https://github.com/morpheus65535/bazarr
79 lines
2.7 KiB
Python
79 lines
2.7 KiB
Python
"""parent translator class"""
|
|
|
|
from .exceptions import NotValidPayload, NotValidLength, InvalidSourceOrTargetLanguage
|
|
from abc import ABC, abstractmethod
|
|
import string
|
|
class BaseTranslator(ABC):
|
|
"""
|
|
Abstract class that serve as a parent translator for other different translators
|
|
"""
|
|
def __init__(self,
|
|
base_url=None,
|
|
source="auto",
|
|
target="en",
|
|
payload_key=None,
|
|
element_tag=None,
|
|
element_query=None,
|
|
**url_params):
|
|
"""
|
|
@param source: source language to translate from
|
|
@param target: target language to translate to
|
|
"""
|
|
if source == target:
|
|
raise InvalidSourceOrTargetLanguage(source)
|
|
|
|
self.__base_url = base_url
|
|
self._source = source
|
|
self._target = target
|
|
self._url_params = url_params
|
|
self._element_tag = element_tag
|
|
self._element_query = element_query
|
|
self.payload_key = payload_key
|
|
self.headers = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) '
|
|
'AppleWebit/535.19'
|
|
'(KHTML, like Gecko) Chrome/18.0.1025.168 Safari/535.19'}
|
|
super(BaseTranslator, self).__init__()
|
|
|
|
@staticmethod
|
|
def _validate_payload(payload, min_chars=1, max_chars=5000):
|
|
"""
|
|
validate the target text to translate
|
|
@param payload: text to translate
|
|
@return: bool
|
|
"""
|
|
|
|
if not payload or not isinstance(payload, str) or not payload.strip() or payload.isdigit():
|
|
raise NotValidPayload(payload)
|
|
|
|
# check if payload contains only symbols
|
|
if all(i in string.punctuation for i in payload):
|
|
raise NotValidPayload(payload)
|
|
|
|
if not BaseTranslator.__check_length(payload, min_chars, max_chars):
|
|
raise NotValidLength(payload, min_chars, max_chars)
|
|
return True
|
|
|
|
@staticmethod
|
|
def __check_length(payload, min_chars, max_chars):
|
|
"""
|
|
check length of the provided target text to translate
|
|
@param payload: text to translate
|
|
@param min_chars: minimum characters allowed
|
|
@param max_chars: maximum characters allowed
|
|
@return: bool
|
|
"""
|
|
return True if min_chars <= len(payload) < max_chars else False
|
|
|
|
@abstractmethod
|
|
def translate(self, text, **kwargs):
|
|
"""
|
|
translate a text using a translator under the hood and return the translated text
|
|
@param text: text to translate
|
|
@param kwargs: additional arguments
|
|
@return: str
|
|
"""
|
|
return NotImplemented('You need to implement the translate method!')
|
|
|
|
|
|
|