Browse Source

add NASA astronomy picture of the day loader. and some more pics.

Thomas Buck 7 months ago
parent
commit
83f4f5aa7f
7 changed files with 144 additions and 0 deletions
  1. 1
    0
      .gitignore
  2. 124
    0
      apod.py
  3. BIN
      images/ccc.png
  4. BIN
      images/ccc_stern.jpg
  5. BIN
      images/gta.png
  6. BIN
      images/pest.jpg
  7. 19
    0
      livingroom.py

+ 1
- 0
.gitignore View File

@@ -1,3 +1,4 @@
1 1
 __pycache__
2 2
 tmp
3 3
 venv
4
+images/apod_*

+ 124
- 0
apod.py View File

@@ -0,0 +1,124 @@
1
+#!/usr/bin/env python3
2
+
3
+# https://apod.nasa.gov/apod/
4
+#
5
+# ----------------------------------------------------------------------------
6
+# "THE BEER-WARE LICENSE" (Revision 42):
7
+# <xythobuz@xythobuz.de> wrote this file.  As long as you retain this notice
8
+# you can do whatever you want with this stuff. If we meet some day, and you
9
+# think this stuff is worth it, you can buy me a beer in return.   Thomas Buck
10
+# ----------------------------------------------------------------------------
11
+
12
+import time
13
+import sys
14
+import os
15
+
16
+import util
17
+from image import ImageScreen
18
+
19
+class APOD:
20
+    def __init__(self, g, i, to = 10.0, r = 6 * 60 * 60):
21
+        self.gui = g
22
+        self.input = i
23
+        self.timeout = to
24
+        self.refresh = r
25
+
26
+        self.get = None
27
+        self.path = "https://apod.nasa.gov/apod"
28
+        self.img_url = None
29
+        self.img_path = None
30
+        self.image = None
31
+        self.last = None
32
+        self.restart()
33
+
34
+    def restart(self):
35
+        if (self.last == None) or ((time.time() - self.last) >= self.refresh):
36
+            try:
37
+                print("APOD refresh")
38
+                self.img_url = self.get_image_path()
39
+                self.img_path = self.download_image(self.img_url)
40
+                self.image = ImageScreen(self.gui, self.img_path, 0.2, 1, 5.0, None, None, False)
41
+                self.last = time.time()
42
+            except Exception as e:
43
+                print()
44
+                if hasattr(sys, "print_exception"):
45
+                    sys.print_exception(e)
46
+                else:
47
+                    print(e)
48
+                print()
49
+
50
+        self.show = time.time()
51
+
52
+    def finished(self):
53
+        return (self.image == None) or ((time.time() - self.show) >= self.timeout)
54
+
55
+    def fetch(self, url):
56
+        # lazily initialize WiFi
57
+        if self.get == None:
58
+            self.get, post = util.getRequests()
59
+            if self.get == None:
60
+                return None
61
+
62
+        try:
63
+            #print("GET " + url)
64
+            r = self.get(url)
65
+
66
+            # explitic close on Response object not needed,
67
+            # handled internally by r.content / r.text / r.json()
68
+            # to avoid this automatic behaviour, first access r.content
69
+            # to trigger caching it in response object, then close
70
+            # socket.
71
+            tmp = r.content
72
+            if hasattr(r, "raw"):
73
+                if r.raw != None:
74
+                    r.raw.close()
75
+                    r.raw = None
76
+
77
+            return r
78
+        except Exception as e:
79
+            print()
80
+            print(url)
81
+            if hasattr(sys, "print_exception"):
82
+                sys.print_exception(e)
83
+            else:
84
+                print(e)
85
+            print()
86
+            return None
87
+
88
+    def get_image_path(self, path = ""):
89
+        print("Checking for new APOD")
90
+        r = self.fetch(self.path + "/" + path).text
91
+        for line in r.splitlines():
92
+            start = line.find('IMG SRC="')
93
+            if start < 0:
94
+                continue
95
+            start += 9
96
+            end = line.find('"', start)
97
+            img = line[start : end]
98
+            return self.path + "/" + img
99
+        return None
100
+
101
+    def download_image(self, path):
102
+        print("Loading " + path)
103
+        r = self.fetch(path).content
104
+        scriptDir = os.path.dirname(os.path.realpath(__file__))
105
+        imageDir = os.path.join(scriptDir, "images")
106
+        imagePath = os.path.join(imageDir, "apod_" + os.path.basename(path))
107
+        if os.path.isfile(imagePath):
108
+            print("Image already loaded. Skip.")
109
+            return imagePath
110
+        print("Storing at " + imagePath)
111
+        with open(imagePath, 'wb') as f:
112
+            f.write(r)
113
+        return imagePath
114
+
115
+    def draw(self):
116
+        if self.image != None:
117
+            self.image.draw()
118
+
119
+if __name__ == "__main__":
120
+    i = util.getInput()
121
+    t = util.getTarget(i)
122
+
123
+    s = APOD(t, i)
124
+    util.loop(t, s.draw)

BIN
images/ccc.png View File


BIN
images/ccc_stern.jpg View File


BIN
images/gta.png View File


BIN
images/pest.jpg View File


+ 19
- 0
livingroom.py View File

@@ -24,6 +24,7 @@ from manager import Manager
24 24
 from tetris import Tetris
25 25
 from breakout import Breakout
26 26
 from config import Config
27
+from apod import APOD
27 28
 import util
28 29
 
29 30
 # Need to import InputWrapper before initializing RGB Matrix on Pi
@@ -48,12 +49,30 @@ if not util.isPi():
48 49
 m.add(GameOfLife(t, 20, (0, 255, 0), (0, 0, 0), None, 2.0))
49 50
 m.add(Solid(t, pause))
50 51
 
52
+m.add(APOD(t, i))
53
+m.add(Solid(t, pause))
54
+
51 55
 m.add(ImageScreen(t, "32_earth.gif", 0.2, 2))
52 56
 m.add(Solid(t, pause))
53 57
 
54 58
 m.add(ImageScreen(t, "aphex-twin-logo.png", 0.2, 1, 10.0, None, None, False))
55 59
 m.add(Solid(t, pause))
56 60
 
61
+m.add(ImageScreen(t, "gta.png", 0.2, 1, 10.0, None, None, False))
62
+m.add(Solid(t, pause))
63
+
64
+m.add(ImageScreen(t, "camp23.png", 0.2, 1, 10.0, None, None, False))
65
+m.add(Solid(t, pause))
66
+
67
+m.add(ImageScreen(t, "pest.jpg", 0.2, 1, 10.0, None, None, False))
68
+m.add(Solid(t, pause))
69
+
70
+m.add(ImageScreen(t, "ccc_stern.jpg", 0.2, 1, 10.0, None, None, False))
71
+m.add(Solid(t, pause))
72
+
73
+m.add(ImageScreen(t, "ccc.png", 0.2, 1, 10.0))
74
+m.add(Solid(t, pause))
75
+
57 76
 m.add(ImageScreen(t, "cann.png", 0.2, 1, 10.0))
58 77
 m.add(Solid(t, pause))
59 78
 

Loading…
Cancel
Save