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from scripts.physton_prompt.translator.base_tanslator import BaseTranslator
from datetime import datetime
from wsgiref.handlers import format_date_time
from time import mktime
import hashlib
import base64
import hmac
from urllib.parse import urlencode
import json
import requests
from scripts.physton_prompt.get_lang import get_lang
class IflytekV2Translator(BaseTranslator):
def __init__(self):
super().__init__('iflytekV2')
def translate(self, text):
if not text:
return ''
app_id = self.api_config.get('app_id', '')
if not app_id:
raise Exception(get_lang('is_required', {'0': 'APP ID'}))
api_secret = self.api_config.get('api_secret', '')
if not api_secret:
raise Exception(get_lang('is_required', {'0': 'API Secret'}))
api_key = self.api_config.get('api_key', '')
if not api_key:
raise Exception(get_lang('is_required', {'0': 'API Key'}))
response = translate(text, From=self.from_lang, To=self.to_lang, APPId=app_id, APISecret=api_secret, APIKey=api_key)
if response.status_code != 200:
raise Exception(get_lang('request_error', {'0': 'iflytekV1'}))
if not response.text:
raise Exception(get_lang('response_is_empty', {'0': 'iflytekV1'}))
result = json.loads(response.content.decode())
if 'header' not in result:
raise Exception(get_lang('no_response_from', {'0': 'iflytekV1'}))
result = json.loads(response.content.decode())
if 'code' not in result['header']:
raise Exception(get_lang('no_response_from', {'0': 'iflytekV1'}))
if result['header']['code'] != 0:
raise Exception(result['header']['message'])
restul_decode = base64.b64decode(result['payload']['result']['text']).decode()
result_json = json.loads(restul_decode)
if 'trans_result' not in result_json:
raise Exception(get_lang('no_response_from', {'0': 'iflytekV1'}))
return result_json['trans_result']['dst']
class Url:
def __init__(self, host, path, schema):
self.host = host
self.path = path
self.schema = schema
pass
# calculate sha256 and encode to base64
def sha256base64(data):
sha256 = hashlib.sha256()
sha256.update(data)
digest = base64.b64encode(sha256.digest()).decode(encoding='utf-8')
return digest
def parse_url(requset_url):
stidx = requset_url.index("://")
host = requset_url[stidx + 3:]
schema = requset_url[:stidx + 3]
edidx = host.index("/")
if edidx <= 0:
raise Exception("invalid request url:" + requset_url)
path = host[edidx:]
host = host[:edidx]
u = Url(host, path, schema)
return u
# build websocket auth request url
def assemble_ws_auth_url(requset_url, method="POST", api_key="", api_secret=""):
u = parse_url(requset_url)
host = u.host
path = u.path
now = datetime.now()
date = format_date_time(mktime(now.timetuple()))
signature_origin = "host: {}\ndate: {}\n{} {} HTTP/1.1".format(host, date, method, path)
signature_sha = hmac.new(api_secret.encode('utf-8'), signature_origin.encode('utf-8'),
digestmod=hashlib.sha256).digest()
signature_sha = base64.b64encode(signature_sha).decode(encoding='utf-8')
authorization_origin = "api_key=\"%s\", algorithm=\"%s\", headers=\"%s\", signature=\"%s\"" % (
api_key, "hmac-sha256", "host date request-line", signature_sha)
authorization = base64.b64encode(authorization_origin.encode('utf-8')).decode(encoding='utf-8')
values = {
"host": host,
"date": date,
"authorization": authorization
}
return requset_url + "?" + urlencode(values)
def translate(Text, From, To, APPId, APISecret, APIKey, Host="itrans.xf-yun.com"):
RequestUri = "/v1/its"
url="https://"+Host+RequestUri
body = {
"header": {
"app_id": APPId,
"status": 3,
},
"parameter": {
"its": {
"from": From,
"to": To,
"result": {}
}
},
"payload": {
"input_data": {
"encoding": "utf8",
"status": 3,
"text": base64.b64encode(Text.encode("utf-8")).decode('utf-8')
}
}
}
request_url = assemble_ws_auth_url(url, "POST", APIKey, APISecret)
headers = {'content-type': "application/json", 'host': 'itrans.xf-yun.com', 'app_id': APPId}
# print(request_url)
response = requests.post(request_url, data=json.dumps(body), headers=headers)
return response