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google_trans_new.py
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google_trans_new.py
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# coding:utf-8
# author LuShan
# version : 1.1.9
import json, requests, random, re
from urllib.parse import quote
import urllib3
import logging
from constant import LANGUAGES, DEFAULT_SERVICE_URLS
log = logging.getLogger(__name__)
log.addHandler(logging.NullHandler())
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
URLS_SUFFIX = [re.search('translate.google.(.*)', url.strip()).group(1) for url in DEFAULT_SERVICE_URLS]
URL_SUFFIX_DEFAULT = 'cn'
class google_new_transError(Exception):
"""Exception that uses context to present a meaningful error message"""
def __init__(self, msg=None, **kwargs):
self.tts = kwargs.pop('tts', None)
self.rsp = kwargs.pop('response', None)
if msg:
self.msg = msg
elif self.tts is not None:
self.msg = self.infer_msg(self.tts, self.rsp)
else:
self.msg = None
super(google_new_transError, self).__init__(self.msg)
def infer_msg(self, tts, rsp=None):
cause = "Unknown"
if rsp is None:
premise = "Failed to connect"
return "{}. Probable cause: {}".format(premise, "timeout")
# if tts.tld != 'com':
# host = _translate_url(tld=tts.tld)
# cause = "Host '{}' is not reachable".format(host)
else:
status = rsp.status_code
reason = rsp.reason
premise = "{:d} ({}) from TTS API".format(status, reason)
if status == 403:
cause = "Bad token or upstream API changes"
elif status == 200 and not tts.lang_check:
cause = "No audio stream in response. Unsupported language '%s'" % self.tts.lang
elif status >= 500:
cause = "Uptream API error. Try again later."
return "{}. Probable cause: {}".format(premise, cause)
class google_translator:
'''
You can use 108 language in target and source,details view LANGUAGES.
Target language: like 'en'γ'zh'γ'th'...
:param url_suffix: The source text(s) to be translated. Batch translation is supported via sequence input.
The value should be one of the url_suffix listed in : `DEFAULT_SERVICE_URLS`
:type url_suffix: UTF-8 :class:`str`; :class:`unicode`; string sequence (list, tuple, iterator, generator)
:param text: The source text(s) to be translated.
:type text: UTF-8 :class:`str`; :class:`unicode`;
:param lang_tgt: The language to translate the source text into.
The value should be one of the language codes listed in : `LANGUAGES`
:type lang_tgt: :class:`str`; :class:`unicode`
:param lang_src: The language of the source text.
The value should be one of the language codes listed in :const:`googletrans.LANGUAGES`
If a language is not specified,
the system will attempt to identify the source language automatically.
:type lang_src: :class:`str`; :class:`unicode`
:param timeout: Timeout Will be used for every request.
:type timeout: number or a double of numbers
:param proxies: proxies Will be used for every request.
:type proxies: class : dict; like: {'http': 'http:171.112.169.47:19934/', 'https': 'https:171.112.169.47:19934/'}
'''
def __init__(self, url_suffix="cn", timeout=5, proxies=None):
self.proxies = proxies
if url_suffix not in URLS_SUFFIX:
self.url_suffix = URL_SUFFIX_DEFAULT
else:
self.url_suffix = url_suffix
url_base = "https://translate.google.{}".format(self.url_suffix)
self.url = url_base + "/_/TranslateWebserverUi/data/batchexecute"
self.timeout = timeout
def _package_rpc(self, text, lang_src='auto', lang_tgt='auto'):
GOOGLE_TTS_RPC = ["MkEWBc"]
parameter = [[text.strip(), lang_src, lang_tgt, True], [1]]
escaped_parameter = json.dumps(parameter, separators=(',', ':'))
rpc = [[[random.choice(GOOGLE_TTS_RPC), escaped_parameter, None, "generic"]]]
espaced_rpc = json.dumps(rpc, separators=(',', ':'))
# text_urldecode = quote(text.strip())
freq_initial = "f.req={}&".format(quote(espaced_rpc))
freq = freq_initial
return freq
def translate(self, text, lang_tgt='auto', lang_src='auto', pronounce=False):
try:
lang = LANGUAGES[lang_src]
except:
lang_src = 'auto'
try:
lang = LANGUAGES[lang_tgt]
except:
lang_src = 'auto'
text = str(text)
if len(text) >= 5000:
return "Warning: Can only detect less than 5000 characters"
if len(text) == 0:
return ""
headers = {
"Referer": "http://translate.google.{}/".format(self.url_suffix),
"User-Agent":
"Mozilla/5.0 (Windows NT 10.0; WOW64) "
"AppleWebKit/537.36 (KHTML, like Gecko) "
"Chrome/47.0.2526.106 Safari/537.36",
"Content-Type": "application/x-www-form-urlencoded;charset=utf-8"
}
freq = self._package_rpc(text, lang_src, lang_tgt)
response = requests.Request(method='POST',
url=self.url,
data=freq,
headers=headers,
)
try:
if self.proxies == None or type(self.proxies) != dict:
self.proxies = {}
with requests.Session() as s:
s.proxies = self.proxies
r = s.send(request=response.prepare(),
verify=False,
timeout=self.timeout)
for line in r.iter_lines(chunk_size=1024):
decoded_line = line.decode('utf-8')
if "MkEWBc" in decoded_line:
try:
response = decoded_line
response = json.loads(response)
response = list(response)
response = json.loads(response[0][2])
response_ = list(response)
response = response_[1][0]
if len(response) == 1:
if len(response[0]) > 5:
sentences = response[0][5]
else: ## only url
sentences = response[0][0]
if pronounce == False:
return sentences
elif pronounce == True:
return [sentences,None,None]
translate_text = ""
for sentence in sentences:
sentence = sentence[0]
translate_text += sentence.strip() + ' '
translate_text = translate_text
if pronounce == False:
return translate_text
elif pronounce == True:
pronounce_src = (response_[0][0])
pronounce_tgt = (response_[1][0][0][1])
return [translate_text, pronounce_src, pronounce_tgt]
elif len(response) == 2:
sentences = []
for i in response:
sentences.append(i[0])
if pronounce == False:
return sentences
elif pronounce == True:
pronounce_src = (response_[0][0])
pronounce_tgt = (response_[1][0][0][1])
return [sentences, pronounce_src, pronounce_tgt]
except Exception as e:
raise e
r.raise_for_status()
except requests.exceptions.ConnectTimeout as e:
raise e
except requests.exceptions.HTTPError as e:
# Request successful, bad response
raise google_new_transError(tts=self, response=r)
except requests.exceptions.RequestException as e:
# Request failed
raise google_new_transError(tts=self)
def detect(self, text):
text = str(text)
if len(text) >= 5000:
return log.debug("Warning: Can only detect less than 5000 characters")
if len(text) == 0:
return ""
headers = {
"Referer": "http://translate.google.{}/".format(self.url_suffix),
"User-Agent":
"Mozilla/5.0 (Windows NT 10.0; WOW64) "
"AppleWebKit/537.36 (KHTML, like Gecko) "
"Chrome/47.0.2526.106 Safari/537.36",
"Content-Type": "application/x-www-form-urlencoded;charset=utf-8"
}
freq = self._package_rpc(text)
response = requests.Request(method='POST',
url=self.url,
data=freq,
headers=headers)
try:
if self.proxies == None or type(self.proxies) != dict:
self.proxies = {}
with requests.Session() as s:
s.proxies = self.proxies
r = s.send(request=response.prepare(),
verify=False,
timeout=self.timeout)
for line in r.iter_lines(chunk_size=1024):
decoded_line = line.decode('utf-8')
if "MkEWBc" in decoded_line:
# regex_str = r"\[\[\"wrb.fr\",\"MkEWBc\",\"\[\[(.*).*?,\[\[\["
try:
# data_got = re.search(regex_str,decoded_line).group(1)
response = (decoded_line)
response = json.loads(response)
response = list(response)
response = json.loads(response[0][2])
response = list(response)
detect_lang = response[0][2]
except Exception:
raise Exception
# data_got = data_got.split('\\\"]')[0]
return [detect_lang, LANGUAGES[detect_lang.lower()]]
r.raise_for_status()
except requests.exceptions.HTTPError as e:
# Request successful, bad response
log.debug(str(e))
raise google_new_transError(tts=self, response=r)
except requests.exceptions.RequestException as e:
# Request failed
log.debug(str(e))
raise google_new_transError(tts=self)