Enforce lowercase standard on all submodule files, improve type hinting throughout, complete first pass for logic issues

reolink_api/__init__.py

@@ -1,4 +1,4 @@
-from .APIHandler import APIHandler
+from .api_handler import APIHandler
-from .Camera import Camera
+from .camera import Camera
 
-__version__ = "0.1.1"
+__version__ = "0.1.2"

reolink_api/alarm.py

@@ -1,7 +1,10 @@
+from typing import Dict
+
+
 class AlarmAPIMixin:
     """API calls for getting device alarm information."""
 
-    def get_alarm_motion(self) -> object:
+    def get_alarm_motion(self) -> Dict:
         """
         Gets the device alarm motion
         See examples/response/GetAlarmMotion.json for example response data.

reolink_api/api_handler.py

@@ -0,0 +1,138 @@
+import requests
+from typing import Dict, List, Optional, Union
+from reolink_api.alarm import AlarmAPIMixin
+from reolink_api.device import DeviceAPIMixin
+from reolink_api.display import DisplayAPIMixin
+from reolink_api.download import DownloadAPIMixin
+from reolink_api.image import ImageAPIMixin
+from reolink_api.motion import MotionAPIMixin
+from reolink_api.network import NetworkAPIMixin
+from reolink_api.ptz import PtzAPIMixin
+from reolink_api.recording import RecordingAPIMixin
+from reolink_api.resthandle import Request
+from reolink_api.system import SystemAPIMixin
+from reolink_api.user import UserAPIMixin
+from reolink_api.zoom import ZoomAPIMixin
+
+
+class APIHandler(AlarmAPIMixin,
+                 DeviceAPIMixin,
+                 DisplayAPIMixin,
+                 DownloadAPIMixin,
+                 ImageAPIMixin,
+                 MotionAPIMixin,
+                 NetworkAPIMixin,
+                 PtzAPIMixin,
+                 RecordingAPIMixin,
+                 SystemAPIMixin,
+                 UserAPIMixin,
+                 ZoomAPIMixin):
+    """
+    The APIHandler class is the backend part of the API, the actual API calls
+    are implemented in Mixins.
+    This handles communication directly with the camera.
+    Current camera's tested: RLC-411WS
+
+    All Code will try to follow the PEP 8 standard as described here: https://www.python.org/dev/peps/pep-0008/
+    """
+
+    def __init__(self, ip: str, username: str, password: str, https: bool = False, **kwargs):
+        """
+        Initialise the Camera API Handler (maps api calls into python)
+        :param ip:
+        :param username:
+        :param password:
+        :param proxy: Add a proxy dict for requests to consume.
+        eg: {"http":"socks5://[username]:[password]@[host]:[port], "https": ...}
+        More information on proxies in requests: https://stackoverflow.com/a/15661226/9313679
+        """
+        scheme = 'https' if https else 'http'
+        self.url = f"{scheme}://{ip}/cgi-bin/api.cgi"
+        self.ip = ip
+        self.token = None
+        self.username = username
+        self.password = password
+        Request.proxies = kwargs.get("proxy")  # Defaults to None if key isn't found
+
+    def login(self) -> bool:
+        """
+        Get login token
+        Must be called first, before any other operation can be performed
+        :return: bool
+        """
+        try:
+            body = [{"cmd": "Login", "action": 0,
+                     "param": {"User": {"userName": self.username, "password": self.password}}}]
+            param = {"cmd": "Login", "token": "null"}
+            response = Request.post(self.url, data=body, params=param)
+            if response is not None:
+                data = response.json()[0]
+                code = data["code"]
+                if int(code) == 0:
+                    self.token = data["value"]["Token"]["name"]
+                    print("Login success")
+                    return True
+                print(self.token)
+                return False
+            else:
+                # TODO: Verify this change w/ owner. Delete old code if acceptable.
+                #  A this point, response is NoneType. There won't be a status code property.
+                # print("Failed to login\nStatus Code:", response.status_code)
+                print("Failed to login\nResponse was null.")
+                return False
+        except Exception as e:
+            print("Error Login\n", e)
+            raise
+
+    def logout(self) -> bool:
+        """
+        Logout of the camera
+        :return: bool
+        """
+        try:
+            data = [{"cmd": "Logout", "action": 0}]
+            self._execute_command('Logout', data)
+            # print(ret)
+            return True
+        except Exception as e:
+            print("Error Logout\n", e)
+            return False
+
+    def _execute_command(self, command: str, data: List[Dict], multi: bool = False) -> \
+            Optional[Union[Dict, bool]]:
+        """
+        Send a POST request to the IP camera with given data.
+        :param command: name of the command to send
+        :param data: object to send to the camera (send as json)
+        :param multi: whether the given command name should be added to the
+        url parameters of the request. Defaults to False. (Some multi-step
+        commands seem to not have a single command name)
+        :return: response JSON as python object
+        """
+        params = {"token": self.token, 'cmd': command}
+        if multi:
+            del params['cmd']
+        try:
+            if self.token is None:
+                raise ValueError("Login first")
+            if command == 'Download':
+                # Special handling for downloading an mp4
+                # Pop the filepath from data
+                tgt_filepath = data[0].pop('filepath')
+                # Apply the data to the params
+                params.update(data[0])
+                with requests.get(self.url, params=params, stream=True) as req:
+                    if req.status_code == 200:
+                        with open(tgt_filepath, 'wb') as f:
+                            f.write(req.content)
+                        return True
+                    else:
+                        print(f'Error received: {req.status_code}')
+                        return False
+
+            else:
+                response = Request.post(self.url, data=data, params=params)
+                return response.json()
+        except Exception as e:
+            print(f"Command {command} failed: {e}")
+            raise

reolink_api/camera.py

@@ -0,0 +1,24 @@
+from .api_handler import APIHandler
+
+
+class Camera(APIHandler):
+
+    def __init__(self, ip: str, username: str = "admin", password: str = "", https: bool = False):
+        """
+        Initialise the Camera object by passing the ip address.
+        The default details {"username":"admin", "password":""} will be used if nothing passed
+        :param ip:
+        :param username:
+        :param password:
+        """
+        # For when you need to connect to a camera behind a proxy, pass
+        # a proxy argument: proxy={"http": "socks5://127.0.0.1:8000"}
+        APIHandler.__init__(self, ip, username, password, https=https)
+
+        # Normal call without proxy:
+        # APIHandler.__init__(self, ip, username, password)
+
+        self.ip = ip
+        self.username = username
+        self.password = password
+        super().login()

reolink_api/config_handler.py

@@ -0,0 +1,17 @@
+import io
+import yaml
+from typing import Optional, Dict
+
+
+class ConfigHandler:
+    camera_settings = {}
+
+    @staticmethod
+    def load() -> Optional[Dict]:
+        try:
+            stream = io.open("config.yml", 'r', encoding='utf8')
+            data = yaml.safe_load(stream)
+            return data
+        except Exception as e:
+            print("Config Property Error\n", e)
+        return None

reolink_api/display.py

@@ -1,7 +1,10 @@
+from typing import Dict
+
+
 class DisplayAPIMixin:
     """API calls related to the current image (osd, on screen display)."""
 
-    def get_osd(self) -> object:
+    def get_osd(self) -> Dict:
         """
         Get OSD information.
         See examples/response/GetOsd.json for example response data.
@@ -10,7 +13,7 @@ class DisplayAPIMixin:
         body = [{"cmd": "GetOsd", "action": 1, "param": {"channel": 0}}]
         return self._execute_command('GetOsd', body)
 
-    def get_mask(self) -> object:
+    def get_mask(self) -> Dict:
         """
         Get the camera mask information.
         See examples/response/GetMask.json for example response data.
@@ -19,8 +22,8 @@ class DisplayAPIMixin:
         body = [{"cmd": "GetMask", "action": 1, "param": {"channel": 0}}]
         return self._execute_command('GetMask', body)
 
-    def set_osd(self, bg_color: bool = 0, channel: int = 0, osd_channel_enabled: bool = 0, osd_channel_name: str = "",
+    def set_osd(self, bg_color: bool = 0, channel: int = 0, osd_channel_enabled: bool = 0,
-                osd_channel_pos: str = "Lower Right", osd_time_enabled: bool = 0,
+                osd_channel_name: str = "", osd_channel_pos: str = "Lower Right", osd_time_enabled: bool = 0,
                 osd_time_pos: str = "Lower Right") -> bool:
         """
         Set OSD
@@ -28,18 +31,24 @@ class DisplayAPIMixin:
         :param channel: int channel id
         :param osd_channel_enabled: bool
         :param osd_channel_name: string channel name
-        :param osd_channel_pos: string channel position ["Upper Left","Top Center","Upper Right","Lower Left","Bottom Center","Lower Right"]
+        :param osd_channel_pos: string channel position
+            ["Upper Left","Top Center","Upper Right","Lower Left","Bottom Center","Lower Right"]
         :param osd_time_enabled: bool
-        :param osd_time_pos: string time position ["Upper Left","Top Center","Upper Right","Lower Left","Bottom Center","Lower Right"]
+        :param osd_time_pos: string time position
+            ["Upper Left","Top Center","Upper Right","Lower Left","Bottom Center","Lower Right"]
         :return: whether the action was successful
         """
-        body = [{"cmd": "SetOsd", "action": 1, "param": {
+        body = [{"cmd": "SetOsd", "action": 1,
-            "Osd": {"bgcolor": bg_color, "channel": channel,
+                 "param": {
-                    "osdChannel": {"enable": osd_channel_enabled, "name": osd_channel_name,
+                    "Osd": {
-                                   "pos": osd_channel_pos},
+                        "bgcolor": bg_color,
+                        "channel": channel,
+                        "osdChannel": {
+                            "enable": osd_channel_enabled, "name": osd_channel_name,
+                            "pos": osd_channel_pos
+                        },
                         "osdTime": {"enable": osd_time_enabled, "pos": osd_time_pos}
-                    }
+                    }}}]
-        }}]
         r_data = self._execute_command('SetOsd', body)[0]
         if r_data["value"]["rspCode"] == 200:
             return True

reolink_api/image.py

@@ -1,3 +1,5 @@
+from typing import Dict
+
 
 class ImageAPIMixin:
     """API calls for image settings."""
@@ -5,20 +7,20 @@ class ImageAPIMixin:
     def set_adv_image_settings(self,
                                anti_flicker: str = 'Outdoor',
                                exposure: str = 'Auto',
-                               gain_min: int = 1,
+                               gain_min: float = 1,
-                               gain_max: int = 62,
+                               gain_max: float = 62,
-                               shutter_min: int = 1,
+                               shutter_min: float = 1,
-                               shutter_max: int = 125,
+                               shutter_max: float = 125,
-                               blue_gain: int = 128,
+                               blue_gain: float = 128,
-                               red_gain: int = 128,
+                               red_gain: float = 128,
                                white_balance: str = 'Auto',
                                day_night: str = 'Auto',
                                back_light: str = 'DynamicRangeControl',
-                               blc: int = 128,
+                               blc: float = 128,
-                               drc: int = 128,
+                               drc: float = 128,
-                               rotation: int = 0,
+                               rotation: float = 0,
-                               mirroring: int = 0,
+                               mirroring: float = 0,
-                               nr3d: int = 1) -> object:
+                               nr3d: float = 1) -> Dict:
         """
         Sets the advanced camera settings.
 
@@ -66,11 +68,11 @@ class ImageAPIMixin:
         return self._execute_command('SetIsp', body)
 
     def set_image_settings(self,
-                           brightness: int = 128,
+                           brightness: float = 128,
-                           contrast: int = 62,
+                           contrast: float = 62,
-                           hue: int = 1,
+                           hue: float = 1,
-                           saturation: int = 125,
+                           saturation: float = 125,
-                           sharpness: int = 128) -> object:
+                           sharpness: float = 128) -> Dict:
         """
         Sets the camera image settings.
 

reolink_api/network.py

@@ -1,3 +1,6 @@
+from typing import Dict
+
+
 class NetworkAPIMixin:
     """API calls for network settings."""
     def set_net_port(self, http_port: int = 80, https_port: int = 443, media_port: int = 9000,
@@ -25,7 +28,7 @@ class NetworkAPIMixin:
         print("Successfully Set Network Ports")
         return True
 
-    def set_wifi(self, ssid: str, password: str) -> object:
+    def set_wifi(self, ssid: str, password: str) -> Dict:
         body = [{"cmd": "SetWifi", "action": 0, "param": {
             "Wifi": {
                 "ssid": ssid,
@@ -33,7 +36,7 @@ class NetworkAPIMixin:
             }}}]
         return self._execute_command('SetWifi', body)
 
-    def get_net_ports(self) -> object:
+    def get_net_ports(self) -> Dict:
         """
         Get network ports
         See examples/response/GetNetworkAdvanced.json for example response data.
@@ -44,15 +47,15 @@ class NetworkAPIMixin:
                 {"cmd": "GetP2p", "action": 0, "param": {}}]
         return self._execute_command('GetNetPort', body, multi=True)
 
-    def get_wifi(self):
+    def get_wifi(self) -> Dict:
         body = [{"cmd": "GetWifi", "action": 1, "param": {}}]
         return self._execute_command('GetWifi', body)
 
-    def scan_wifi(self):
+    def scan_wifi(self) -> Dict:
         body = [{"cmd": "ScanWifi", "action": 1, "param": {}}]
         return self._execute_command('ScanWifi', body)
 
-    def get_network_general(self) -> object:
+    def get_network_general(self) -> Dict:
         """
         Get the camera information
         See examples/response/GetNetworkGeneral.json for example response data.
@@ -61,7 +64,7 @@ class NetworkAPIMixin:
         body = [{"cmd": "GetLocalLink", "action": 0, "param": {}}]
         return self._execute_command('GetLocalLink', body)
 
-    def get_network_ddns(self) -> object:
+    def get_network_ddns(self) -> Dict:
         """
         Get the camera DDNS network information
         See examples/response/GetNetworkDDNS.json for example response data.
@@ -70,7 +73,7 @@ class NetworkAPIMixin:
         body = [{"cmd": "GetDdns", "action": 0, "param": {}}]
         return self._execute_command('GetDdns', body)
 
-    def get_network_ntp(self) -> object:
+    def get_network_ntp(self) -> Dict:
         """
         Get the camera NTP network information
         See examples/response/GetNetworkNTP.json for example response data.
@@ -79,7 +82,7 @@ class NetworkAPIMixin:
         body = [{"cmd": "GetNtp", "action": 0, "param": {}}]
         return self._execute_command('GetNtp', body)
 
-    def get_network_email(self) -> object:
+    def get_network_email(self) -> Dict:
         """
         Get the camera email network information
         See examples/response/GetNetworkEmail.json for example response data.
@@ -88,7 +91,7 @@ class NetworkAPIMixin:
         body = [{"cmd": "GetEmail", "action": 0, "param": {}}]
         return self._execute_command('GetEmail', body)
 
-    def get_network_ftp(self) -> object:
+    def get_network_ftp(self) -> Dict:
         """
         Get the camera FTP network information
         See examples/response/GetNetworkFtp.json for example response data.
@@ -97,7 +100,7 @@ class NetworkAPIMixin:
         body = [{"cmd": "GetFtp", "action": 0, "param": {}}]
         return self._execute_command('GetFtp', body)
 
-    def get_network_push(self) -> object:
+    def get_network_push(self) -> Dict:
         """
         Get the camera push network information
         See examples/response/GetNetworkPush.json for example response data.
@@ -106,7 +109,7 @@ class NetworkAPIMixin:
         body = [{"cmd": "GetPush", "action": 0, "param": {}}]
         return self._execute_command('GetPush', body)
 
-    def get_network_status(self) -> object:
+    def get_network_status(self) -> Dict:
         """
         Get the camera status network information
         See examples/response/GetNetworkGeneral.json for example response data.

reolink_api/ptz.py

@@ -1,46 +1,49 @@
+from typing import Dict
+
+
 class PtzAPIMixin:
     """
     API for PTZ functions.
     """
-    def _send_operation(self, operation, speed, index=None):
+    def _send_operation(self, operation: str, speed: float, index: float = None) -> Dict:
-        if index is None:
+        # Refactored to reduce redundancy
-            data = [{"cmd": "PtzCtrl", "action": 0, "param": {"channel": 0, "op": operation, "speed": speed}}]
+        param = {"channel": 0, "op": operation, "speed": speed}
-        else:
+        if index is not None:
-            data = [{"cmd": "PtzCtrl", "action": 0, "param": {
+            param['id'] = index
-                "channel": 0, "op": operation, "speed": speed, "id": index}}]
+        data = [{"cmd": "PtzCtrl", "action": 0, "param": param}]
         return self._execute_command('PtzCtrl', data)
 
-    def _send_noparm_operation(self, operation):
+    def _send_noparm_operation(self, operation: str) -> Dict:
         data = [{"cmd": "PtzCtrl", "action": 0, "param": {"channel": 0, "op": operation}}]
         return self._execute_command('PtzCtrl', data)
 
-    def _send_set_preset(self, operation, enable, preset=1, name='pos1'):
+    def _send_set_preset(self, enable: float, preset: float = 1, name: str = 'pos1') -> Dict:
         data = [{"cmd": "SetPtzPreset", "action": 0, "param": {
             "channel": 0, "enable": enable, "id": preset, "name": name}}]
         return self._execute_command('PtzCtrl', data)
 
-    def go_to_preset(self, speed=60, index=1):
+    def go_to_preset(self, speed: float = 60, index: float = 1) -> Dict:
         """
         Move the camera to a preset location
         :return: response json
         """
         return self._send_operation('ToPos', speed=speed, index=index)
 
-    def add_preset(self, preset=1, name='pos1'):
+    def add_preset(self, preset: float = 1, name: str = 'pos1') -> Dict:
         """
         Adds the current camera position to the specified preset.
         :return: response json
         """
-        return self._send_set_preset('PtzPreset', enable=1, preset=preset, name=name)
+        return self._send_set_preset(enable=1, preset=preset, name=name)
 
-    def remove_preset(self, preset=1, name='pos1'):
+    def remove_preset(self, preset: float = 1, name: str = 'pos1') -> Dict:
         """
         Removes the specified preset
         :return: response json
         """
-        return self._send_set_preset('PtzPreset', enable=0, preset=preset, name=name)
+        return self._send_set_preset(enable=0, preset=preset, name=name)
 
-    def move_right(self, speed=25):
+    def move_right(self, speed: float = 25) -> Dict:
         """
         Move the camera to the right
         The camera moves self.stop_ptz() is called.
@@ -48,7 +51,7 @@ class PtzAPIMixin:
         """
         return self._send_operation('Right', speed=speed)
 
-    def move_right_up(self, speed=25):
+    def move_right_up(self, speed: float = 25) -> Dict:
         """
         Move the camera to the right and up
         The camera moves self.stop_ptz() is called.
@@ -56,7 +59,7 @@ class PtzAPIMixin:
         """
         return self._send_operation('RightUp', speed=speed)
 
-    def move_right_down(self, speed=25):
+    def move_right_down(self, speed: float = 25) -> Dict:
         """
         Move the camera to the right and down
         The camera moves self.stop_ptz() is called.
@@ -64,7 +67,7 @@ class PtzAPIMixin:
         """
         return self._send_operation('RightDown', speed=speed)
 
-    def move_left(self, speed=25):
+    def move_left(self, speed: float = 25) -> Dict:
         """
         Move the camera to the left
         The camera moves self.stop_ptz() is called.
@@ -72,7 +75,7 @@ class PtzAPIMixin:
         """
         return self._send_operation('Left', speed=speed)
 
-    def move_left_up(self, speed=25):
+    def move_left_up(self, speed: float = 25) -> Dict:
         """
         Move the camera to the left and up
         The camera moves self.stop_ptz() is called.
@@ -80,7 +83,7 @@ class PtzAPIMixin:
         """
         return self._send_operation('LeftUp', speed=speed)
 
-    def move_left_down(self, speed=25):
+    def move_left_down(self, speed: float = 25) -> Dict:
         """
         Move the camera to the left and down
         The camera moves self.stop_ptz() is called.
@@ -88,7 +91,7 @@ class PtzAPIMixin:
         """
         return self._send_operation('LeftDown', speed=speed)
 
-    def move_up(self, speed=25):
+    def move_up(self, speed: float = 25) -> Dict:
         """
         Move the camera up.
         The camera moves self.stop_ptz() is called.
@@ -96,7 +99,7 @@ class PtzAPIMixin:
         """
         return self._send_operation('Up', speed=speed)
 
-    def move_down(self, speed=25):
+    def move_down(self, speed: float = 25) -> Dict:
         """
         Move the camera down.
         The camera moves self.stop_ptz() is called.
@@ -104,14 +107,14 @@ class PtzAPIMixin:
         """
         return self._send_operation('Down', speed=speed)
 
-    def stop_ptz(self):
+    def stop_ptz(self) -> Dict:
         """
         Stops the cameras current action.
         :return: response json
         """
         return self._send_noparm_operation('Stop')
 
-    def auto_movement(self, speed=25):
+    def auto_movement(self, speed: float = 25) -> Dict:
         """
         Move the camera in a clockwise rotation.
         The camera moves self.stop_ptz() is called.

reolink_api/recording.py

@@ -3,14 +3,15 @@ import random
 import string
 from urllib import parse
 from io import BytesIO
-from PIL import Image
+from typing import Dict, Any, Optional
-from reolink_api.RtspClient import RtspClient
+from PIL.Image import Image, open as open_image
+from reolink_api.rtsp_client import RtspClient
 
 
 class RecordingAPIMixin:
     """API calls for recording/streaming image or video."""
 
-    def get_recording_encoding(self) -> object:
+    def get_recording_encoding(self) -> Dict:
         """
         Get the current camera encoding settings for "Clear" and "Fluent" profiles.
         See examples/response/GetEnc.json for example response data.
@@ -19,7 +20,7 @@ class RecordingAPIMixin:
         body = [{"cmd": "GetEnc", "action": 1, "param": {"channel": 0}}]
         return self._execute_command('GetEnc', body)
 
-    def get_recording_advanced(self) -> object:
+    def get_recording_advanced(self) -> Dict:
         """
         Get recording advanced setup data
         See examples/response/GetRec.json for example response data.
@@ -29,15 +30,15 @@ class RecordingAPIMixin:
         return self._execute_command('GetRec', body)
 
     def set_recording_encoding(self,
-                               audio=0,
+                               audio: float = 0,
-                               main_bit_rate=8192,
+                               main_bit_rate: float = 8192,
-                               main_frame_rate=8,
+                               main_frame_rate: float = 8,
-                               main_profile='High',
+                               main_profile: str = 'High',
-                               main_size="2560*1440",
+                               main_size: str = "2560*1440",
-                               sub_bit_rate=160,
+                               sub_bit_rate: float = 160,
-                               sub_frame_rate=7,
+                               sub_frame_rate: float = 7,
-                               sub_profile='High',
+                               sub_profile: str = 'High',
-                               sub_size='640*480') -> object:
+                               sub_size: str = '640*480') -> Dict:
         """
         Sets the current camera encoding settings for "Clear" and "Fluent" profiles.
         :param audio: int Audio on or off
@@ -51,59 +52,67 @@ class RecordingAPIMixin:
         :param sub_size: string Fluent Size
         :return: response
         """
-        body = [{"cmd": "SetEnc",
+        body = [
+            {
+                "cmd": "SetEnc",
                 "action": 0,
-                 "param":
+                "param": {
-                     {"Enc":
+                    "Enc": {
-                          {"audio": audio,
+                        "audio": audio,
                         "channel": 0,
                         "mainStream": {
                             "bitRate": main_bit_rate,
                             "frameRate": main_frame_rate,
                             "profile": main_profile,
-                               "size": main_size},
+                            "size": main_size
+                        },
                         "subStream": {
                             "bitRate": sub_bit_rate,
                             "frameRate": sub_frame_rate,
                             "profile": sub_profile,
-                               "size": sub_size}}
+                            "size": sub_size
-                      }}]
+                        }
+                    }
+                }
+            }
+        ]
         return self._execute_command('SetEnc', body)
 
     ###########
     # RTSP Stream
     ###########
-    def open_video_stream(self, callback=None, profile: str = "main", proxies=None):
+    def open_video_stream(self, callback: Any = None, proxies: Any = None) -> Any:
         """
         'https://support.reolink.com/hc/en-us/articles/360007010473-How-to-Live-View-Reolink-Cameras-via-VLC-Media-Player'
         Blocking function creates a generator and returns the frames as it is spawned
-        :param profile: profile is "main" or "sub"
+        :param callback:
         :param proxies: Default is none, example: {"host": "localhost", "port": 8000}
         """
         rtsp_client = RtspClient(
             ip=self.ip, username=self.username, password=self.password, proxies=proxies, callback=callback)
         return rtsp_client.open_stream()
 
-    def get_snap(self, timeout: int = 3, proxies=None) -> Image or None:
+    def get_snap(self, timeout: float = 3, proxies: Any = None) -> Optional[Image]:
         """
         Gets a "snap" of the current camera video data and returns a Pillow Image or None
         :param timeout: Request timeout to camera in seconds
         :param proxies: http/https proxies to pass to the request object.
         :return: Image or None
         """
-        data = {}
+        data = {
-        data['cmd'] = 'Snap'
+            'cmd': 'Snap',
-        data['channel'] = 0
+            'channel': 0,
-        data['rs'] = ''.join(random.choices(string.ascii_uppercase + string.digits, k=10))
+            'rs': ''.join(random.choices(string.ascii_uppercase + string.digits, k=10)),
-        data['user'] = self.username
+            'user': self.username,
-        data['password'] = self.password
+            'password': self.password,
+        }
         parms = parse.urlencode(data).encode("utf-8")
 
         try:
             response = requests.get(self.url, proxies=proxies, params=parms, timeout=timeout)
             if response.status_code == 200:
-                return Image.open(BytesIO(response.content))
+                return open_image(BytesIO(response.content))
-            print("Could not retrieve data from camera successfully. Status:", response.stats_code)
+            print("Could not retrieve data from camera successfully. Status:", response.status_code)
             return None
 
         except Exception as e:

reolink_api/resthandle.py

@@ -1,12 +1,14 @@
 import json
 import requests
+from typing import List, Dict, Union, Optional
 
 
 class Request:
     proxies = None
 
     @staticmethod
-    def post(url: str, data, params=None) -> requests.Response or None:
+    def post(url: str, data: List[Dict], params: Dict[str, Union[str, float]] = None) -> \
+            Optional[requests.Response]:
         """
         Post request
         :param params:
@@ -18,10 +20,6 @@ class Request:
             headers = {'content-type': 'application/json'}
             r = requests.post(url, verify=False, params=params, json=data, headers=headers,
                               proxies=Request.proxies)
-            # if params is not None:
-            #     r = requests.post(url, params=params, json=data, headers=headers, proxies=proxies)
-            # else:
-            #     r = requests.post(url, json=data)
             if r.status_code == 200:
                 return r
             else:
@@ -31,7 +29,7 @@ class Request:
             raise
 
     @staticmethod
-    def get(url, params, timeout=1) -> json or None:
+    def get(url: str, params: Dict[str, Union[str, float]], timeout: float = 1) -> Optional[requests.Response]:
         """
         Get request
         :param url:
@@ -41,7 +39,6 @@ class Request:
         """
         try:
             data = requests.get(url=url, verify=False, params=params, timeout=timeout, proxies=Request.proxies)
-            
             return data
         except Exception as e:
             print("Get Error\n", e)

reolink_api/rtsp_client.py

@@ -0,0 +1,110 @@
+import os
+from threading import ThreadError
+from typing import Any
+import cv2
+from reolink_api.util import threaded
+
+
+class RtspClient:
+    """
+    Inspiration from:
+        - https://benhowell.github.io/guide/2015/03/09/opencv-and-web-cam-streaming
+        - https://stackoverflow.com/questions/19846332/python-threading-inside-a-class
+        - https://stackoverflow.com/questions/55828451/video-streaming-from-ip-camera-in-python-using-opencv-cv2-videocapture
+    """
+
+    def __init__(self, ip: str, username: str, password: str, port: float = 554, profile: str = "main",
+                 use_udp: bool = True, callback: Any = None, **kwargs):
+        """
+        RTSP client is used to retrieve frames from the camera in a stream
+
+        :param ip: Camera IP
+        :param username: Camera Username
+        :param password: Camera User Password
+        :param port: RTSP port
+        :param profile: "main" or "sub"
+        :param use_upd: True to use UDP, False to use TCP
+        :param proxies: {"host": "localhost", "port": 8000}
+        """
+        self.capture = None
+        self.thread_cancelled = False
+        self.callback = callback
+
+        capture_options = 'rtsp_transport;'
+        self.ip = ip
+        self.username = username
+        self.password = password
+        self.port = port
+        self.proxy = kwargs.get("proxies")
+        self.url = f'rtsp://{self.username}:{self.password}@{self.ip}:{self.port}//h264Preview_01_{profile}'
+        if use_udp:
+            capture_options = capture_options + 'udp'
+        else:
+            capture_options = capture_options + 'tcp'
+
+        os.environ["OPENCV_FFMPEG_CAPTURE_OPTIONS"] = capture_options
+
+        # opens the stream capture, but does not retrieve any frames yet.
+        self._open_video_capture()
+
+    def _open_video_capture(self):
+        # To CAP_FFMPEG or not To ?
+        self.capture = cv2.VideoCapture(self.url, cv2.CAP_FFMPEG)
+
+    def _stream_blocking(self):
+        while True:
+            try:
+                if self.capture.isOpened():
+                    ret, frame = self.capture.read()
+                    if ret:
+                        yield frame
+                else:
+                    print("stream closed")
+                    self.capture.release()
+                    return
+            except Exception as e:
+                print(e)
+                self.capture.release()
+                return
+
+    @threaded
+    def _stream_non_blocking(self):
+        while not self.thread_cancelled:
+            try:
+                if self.capture.isOpened():
+                    ret, frame = self.capture.read()
+                    if ret:
+                        self.callback(frame)
+                else:
+                    print("stream is closed")
+                    self.stop_stream()
+            except ThreadError as e:
+                print(e)
+                self.stop_stream()
+
+    def stop_stream(self):
+        self.capture.release()
+        self.thread_cancelled = True
+
+    def open_stream(self):
+        """
+        Opens OpenCV Video stream and returns the result according to the OpenCV documentation
+        https://docs.opencv.org/3.4/d8/dfe/classcv_1_1VideoCapture.html#a473055e77dd7faa4d26d686226b292c1
+
+        :param callback: The function to callback the cv::mat frame to if required to be non-blocking. If this is left
+            as None, then the function returns a generator which is blocking.
+        """
+
+        # Reset the capture object
+        if self.capture is None or not self.capture.isOpened():
+            self._open_video_capture()
+
+        print("opening stream")
+
+        if self.callback is None:
+            return self._stream_blocking()
+        else:
+            # reset the thread status if the object was not re-created
+            if not self.thread_cancelled:
+                self.thread_cancelled = False
+            return self._stream_non_blocking()

reolink_api/system.py

@@ -1,11 +1,14 @@
+from typing import Dict
+
+
 class SystemAPIMixin:
     """API for accessing general system information of the camera."""
-    def get_general_system(self) -> object:
+    def get_general_system(self) -> Dict:
         """:return: response json"""
         body = [{"cmd": "GetTime", "action": 1, "param": {}}, {"cmd": "GetNorm", "action": 1, "param": {}}]
         return self._execute_command('get_general_system', body, multi=True)
 
-    def get_performance(self) -> object:
+    def get_performance(self) -> Dict:
         """
         Get a snapshot of the current performance of the camera.
         See examples/response/GetPerformance.json for example response data.
@@ -14,7 +17,7 @@ class SystemAPIMixin:
         body = [{"cmd": "GetPerformance", "action": 0, "param": {}}]
         return self._execute_command('GetPerformance', body)
 
-    def get_information(self) -> object:
+    def get_information(self) -> Dict:
         """
         Get the camera information
         See examples/response/GetDevInfo.json for example response data.
@@ -23,7 +26,7 @@ class SystemAPIMixin:
         body = [{"cmd": "GetDevInfo", "action": 0, "param": {}}]
         return self._execute_command('GetDevInfo', body)
 
-    def reboot_camera(self) -> object:
+    def reboot_camera(self) -> Dict:
         """
         Reboots the camera
         :return: response json
@@ -31,7 +34,7 @@ class SystemAPIMixin:
         body = [{"cmd": "Reboot", "action": 0, "param": {}}]
         return self._execute_command('Reboot', body)
 
-    def get_dst(self) -> object:
+    def get_dst(self) -> Dict:
         """
         Get the camera DST information
         See examples/response/GetDSTInfo.json for example response data.

reolink_api/user.py

@@ -1,6 +1,9 @@
+from typing import Dict
+
+
 class UserAPIMixin:
     """User-related API calls."""
-    def get_online_user(self) -> object:
+    def get_online_user(self) -> Dict:
         """
         Return a list of current logged-in users in json format
         See examples/response/GetOnline.json for example response data.
@@ -9,7 +12,7 @@ class UserAPIMixin:
         body = [{"cmd": "GetOnline", "action": 1, "param": {}}]
         return self._execute_command('GetOnline', body)
 
-    def get_users(self) -> object:
+    def get_users(self) -> Dict:
         """
         Return a list of user accounts from the camera in json format.
         See examples/response/GetUser.json for example response data.

reolink_api/zoom.py

@@ -1,54 +1,57 @@
+from typing import Dict
+
+
 class ZoomAPIMixin:
     """
     API for zooming and changing focus.
     Note that the API does not allow zooming/focusing by absolute
     values rather that changing focus/zoom for a given time.
     """
-    def _start_operation(self, operation, speed):
+    def _start_operation(self, operation: str, speed: float) -> Dict:
         data = [{"cmd": "PtzCtrl", "action": 0, "param": {"channel": 0, "op": operation, "speed": speed}}]
         return self._execute_command('PtzCtrl', data)
 
-    def _stop_zooming_or_focusing(self):
+    def _stop_zooming_or_focusing(self) -> Dict:
         """This command stops any ongoing zooming or focusing actions."""
         data = [{"cmd": "PtzCtrl", "action": 0, "param": {"channel": 0, "op": "Stop"}}]
         return self._execute_command('PtzCtrl', data)
 
-    def start_zooming_in(self, speed=60):
+    def start_zooming_in(self, speed: float = 60) -> Dict:
         """
         The camera zooms in until self.stop_zooming() is called.
         :return: response json
         """
         return self._start_operation('ZoomInc', speed=speed)
 
-    def start_zooming_out(self, speed=60):
+    def start_zooming_out(self, speed: float = 60) -> Dict:
         """
         The camera zooms out until self.stop_zooming() is called.
         :return: response json
         """
         return self._start_operation('ZoomDec', speed=speed)
 
-    def stop_zooming(self):
+    def stop_zooming(self) -> Dict:
         """
         Stop zooming.
         :return: response json
         """
         return self._stop_zooming_or_focusing()
 
-    def start_focusing_in(self, speed=32):
+    def start_focusing_in(self, speed: float = 32) -> Dict:
         """
         The camera focuses in until self.stop_focusing() is called.
         :return: response json
         """
         return self._start_operation('FocusInc', speed=speed)
 
-    def start_focusing_out(self, speed=32):
+    def start_focusing_out(self, speed: float = 32) -> Dict:
         """
         The camera focuses out until self.stop_focusing() is called.
         :return: response json
         """
         return self._start_operation('FocusDec', speed=speed)
 
-    def stop_focusing(self):
+    def stop_focusing(self) -> Dict:
         """
         Stop focusing.
         :return: response json