1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
import logging
import shutil
import requests
import json
from typing import Union, Optional
from time import sleep
from enum import Enum
from ..api.errors import ApiResponseError
from ..util import Addr
class FrameSize(Enum):
UXGA_1600x1200 = 13
SXGA_1280x1024 = 12
HD_1280x720 = 11
XGA_1024x768 = 10
SVGA_800x600 = 9
VGA_640x480 = 8
HVGA_480x320 = 7
CIF_400x296 = 6
QVGA_320x240 = 5
N_240x240 = 4
HQVGA_240x176 = 3
QCIF_176x144 = 2
QQVGA_160x120 = 1
N_96x96 = 0
class WBMode(Enum):
AUTO = 0
SUNNY = 1
CLOUDY = 2
OFFICE = 3
HOME = 4
def _assert_bounds(n: int, min: int, max: int):
if not min <= n <= max:
raise ValueError(f'value must be between {min} and {max}')
class WebClient:
def __init__(self, addr: Addr):
self.endpoint = f'http://{addr[0]}:{addr[1]}'
self.logger = logging.getLogger(self.__class__.__name__)
self.delay = 0
self.isfirstrequest = True
def setdelay(self, delay: int):
self.delay = delay
def capture(self, save_to: str):
self._call('capture', save_to=save_to)
def getstatus(self):
return json.loads(self._call('status'))
def setflash(self, enable: bool):
self._control('flash', int(enable))
def setresolution(self, fs: FrameSize):
self._control('framesize', fs.value)
def sethmirror(self, enable: bool):
self._control('hmirror', int(enable))
def setvflip(self, enable: bool):
self._control('vflip', int(enable))
def setawb(self, enable: bool):
self._control('awb', int(enable))
def setawbgain(self, enable: bool):
self._control('awb_gain', int(enable))
def setwbmode(self, mode: WBMode):
self._control('wb_mode', mode.value)
def setaecsensor(self, enable: bool):
self._control('aec', int(enable))
def setaecdsp(self, enable: bool):
self._control('aec2', int(enable))
def setagc(self, enable: bool):
self._control('agc', int(enable))
def setagcgain(self, gain: int):
_assert_bounds(gain, 1, 31)
self._control('agc_gain', gain)
def setgainceiling(self, gainceiling: int):
_assert_bounds(gainceiling, 2, 128)
self._control('gainceiling', gainceiling)
def setbpc(self, enable: bool):
self._control('bpc', int(enable))
def setwpc(self, enable: bool):
self._control('wpc', int(enable))
def setrawgma(self, enable: bool):
self._control('raw_gma', int(enable))
def setlenscorrection(self, enable: bool):
self._control('lenc', int(enable))
def setdcw(self, enable: bool):
self._control('dcw', int(enable))
def setcolorbar(self, enable: bool):
self._control('colorbar', int(enable))
def setquality(self, q: int):
_assert_bounds(q, 4, 63)
self._control('quality', q)
def setbrightness(self, brightness: int):
_assert_bounds(brightness, -2, -2)
self._control('brightness', brightness)
def setcontrast(self, contrast: int):
_assert_bounds(contrast, -2, 2)
self._control('contrast', contrast)
def setsaturation(self, saturation: int):
_assert_bounds(saturation, -2, 2)
self._control('saturation', saturation)
def _control(self, var: str, value: Union[int, str]):
self._call('control', params={'var': var, 'val': value})
def _call(self,
method: str,
params: Optional[dict] = None,
save_to: Optional[str] = None):
if not self.isfirstrequest and self.delay > 0:
sleeptime = self.delay / 1000
self.logger.debug(f'sleeping for {sleeptime}')
sleep(sleeptime)
self.isfirstrequest = False
url = f'{self.endpoint}/{method}'
self.logger.debug(f'calling {url}, params: {params}')
kwargs = {}
if params:
kwargs['params'] = params
if save_to:
kwargs['stream'] = True
r = requests.get(url, **kwargs)
if r.status_code != 200:
raise ApiResponseError(status_code=r.status_code)
if save_to:
r.raise_for_status()
with open(save_to, 'wb') as f:
shutil.copyfileobj(r.raw, f)
return True
return r.text
|
