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bazarr/libs/deep_translator/detection.py

90 lines
2.6 KiB

"""
language detection API
"""
from typing import List, Optional, Union
import requests
from requests.exceptions import HTTPError
# Module global config
config = {
"url": "https://ws.detectlanguage.com/0.2/detect",
"headers": {
"User-Agent": "Detect Language API Python Client 1.4.0",
"Authorization": "Bearer {}",
},
}
def get_request_body(text: Union[str, List[str]], api_key: str, *args, **kwargs):
"""
send a request and return the response body parsed as dictionary
@param text: target text that you want to detect its language
@type text: str
@type api_key: str
@param api_key: your private API key
"""
if not api_key:
raise Exception(
"you need to get an API_KEY for this to work. "
"Get one for free here: https://detectlanguage.com/documentation"
)
if not text:
raise Exception("Please provide an input text")
else:
try:
headers = config["headers"]
headers["Authorization"] = headers["Authorization"].format(api_key)
response = requests.post(config["url"], json={"q": text}, headers=headers)
body = response.json().get("data")
return body
except HTTPError as e:
print("Error occured while requesting from server: ", e.args)
raise e
def single_detection(
text: str, api_key: Optional[str] = None, detailed: bool = False, *args, **kwargs
):
"""
function responsible for detecting the language from a text
@param text: target text that you want to detect its language
@type text: str
@type api_key: str
@param api_key: your private API key
@param detailed: set to True if you want to get detailed information about the detection process
"""
body = get_request_body(text, api_key)
detections = body.get("detections")
if detailed:
return detections[0]
lang = detections[0].get("language", None)
if lang:
return lang
def batch_detection(
text_list: List[str], api_key: str, detailed: bool = False, *args, **kwargs
):
"""
function responsible for detecting the language from a text
@param text_list: target batch that you want to detect its language
@param api_key: your private API key
@param detailed: set to True if you want to get detailed information about the detection process
"""
body = get_request_body(text_list, api_key)
detections = body.get("detections")
res = [obj[0] for obj in detections]
if detailed:
return res
else:
return [obj["language"] for obj in res]