mirror of
https://github.com/blakeblackshear/frigate.git
synced 2024-12-19 19:06:16 +01:00
cafe0917c7
* __main__.py * app.py * models.py * plus.py * stats.py In addition a new module was introduced: types There all TypedDicts are included. Bitte geben Sie eine Commit-Beschreibung für Ihre Änderungen ein. Zeilen,
110 lines
3.9 KiB
Python
110 lines
3.9 KiB
Python
import datetime
|
|
import logging
|
|
import os
|
|
import requests
|
|
from frigate.const import PLUS_ENV_VAR, PLUS_API_HOST
|
|
from requests.models import Response
|
|
import cv2
|
|
from numpy import ndarray
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
def get_jpg_bytes(image: ndarray, max_dim: int, quality: int) -> bytes:
|
|
if image.shape[1] >= image.shape[0]:
|
|
width = min(max_dim, image.shape[1])
|
|
height = int(width * image.shape[0] / image.shape[1])
|
|
else:
|
|
height = min(max_dim, image.shape[0])
|
|
width = int(height * image.shape[1] / image.shape[0])
|
|
|
|
original = cv2.resize(image, dsize=(width, height), interpolation=cv2.INTER_AREA)
|
|
|
|
ret, jpg = cv2.imencode(".jpg", original, [int(cv2.IMWRITE_JPEG_QUALITY), quality])
|
|
jpg_bytes = jpg.tobytes()
|
|
return jpg_bytes if type(jpg_bytes) is bytes else b""
|
|
|
|
|
|
class PlusApi:
|
|
def __init__(self) -> None:
|
|
self.host = PLUS_API_HOST
|
|
if PLUS_ENV_VAR in os.environ:
|
|
self.key = os.environ.get(PLUS_ENV_VAR)
|
|
else:
|
|
self.key = None
|
|
self._is_active: bool = self.key is not None
|
|
self._token_data: dict = {}
|
|
|
|
def _refresh_token_if_needed(self) -> None:
|
|
if (
|
|
self._token_data.get("expires") is None
|
|
or self._token_data["expires"] - datetime.datetime.now().timestamp() < 60
|
|
):
|
|
if self.key is None:
|
|
raise Exception("Plus API not activated")
|
|
parts = self.key.split(":")
|
|
r = requests.get(f"{self.host}/v1/auth/token", auth=(parts[0], parts[1]))
|
|
self._token_data = r.json()
|
|
|
|
def _get_authorization_header(self) -> dict:
|
|
self._refresh_token_if_needed()
|
|
return {"authorization": f"Bearer {self._token_data.get('accessToken')}"}
|
|
|
|
def _get(self, path: str) -> Response:
|
|
return requests.get(
|
|
f"{self.host}/v1/{path}", headers=self._get_authorization_header()
|
|
)
|
|
|
|
def _post(self, path: str, data: dict) -> Response:
|
|
return requests.post(
|
|
f"{self.host}/v1/{path}",
|
|
headers=self._get_authorization_header(),
|
|
json=data,
|
|
)
|
|
|
|
def is_active(self) -> bool:
|
|
return self._is_active
|
|
|
|
def upload_image(self, image: ndarray, camera: str) -> str:
|
|
r = self._get("image/signed_urls")
|
|
presigned_urls = r.json()
|
|
if not r.ok:
|
|
raise Exception("Unable to get signed urls")
|
|
|
|
# resize and submit original
|
|
files = {"file": get_jpg_bytes(image, 1920, 85)}
|
|
data = presigned_urls["original"]["fields"]
|
|
data["content-type"] = "image/jpeg"
|
|
r = requests.post(presigned_urls["original"]["url"], files=files, data=data)
|
|
if not r.ok:
|
|
logger.error(f"Failed to upload original: {r.status_code} {r.text}")
|
|
raise Exception(r.text)
|
|
|
|
# resize and submit annotate
|
|
files = {"file": get_jpg_bytes(image, 640, 70)}
|
|
data = presigned_urls["annotate"]["fields"]
|
|
data["content-type"] = "image/jpeg"
|
|
r = requests.post(presigned_urls["annotate"]["url"], files=files, data=data)
|
|
if not r.ok:
|
|
logger.error(f"Failed to upload annotate: {r.status_code} {r.text}")
|
|
raise Exception(r.text)
|
|
|
|
# resize and submit thumbnail
|
|
files = {"file": get_jpg_bytes(image, 200, 70)}
|
|
data = presigned_urls["thumbnail"]["fields"]
|
|
data["content-type"] = "image/jpeg"
|
|
r = requests.post(presigned_urls["thumbnail"]["url"], files=files, data=data)
|
|
if not r.ok:
|
|
logger.error(f"Failed to upload thumbnail: {r.status_code} {r.text}")
|
|
raise Exception(r.text)
|
|
|
|
# create image
|
|
r = self._post(
|
|
"image/create", {"id": presigned_urls["imageId"], "camera": camera}
|
|
)
|
|
if not r.ok:
|
|
raise Exception(r.text)
|
|
|
|
# return image id
|
|
return str(presigned_urls.get("imageId"))
|