commit 13d6e94dba139b785ede94f38db7ad1ab0066a07
Author: LongHairedHacker <sebastian@sebastians-site.de>
Date:   Mon Dec 24 12:16:47 2018 +0100

    Initial commit

diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
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+virtenv
+waterfall.png
diff --git a/Montserrat-Regular.otf b/Montserrat-Regular.otf
new file mode 100644
index 0000000..c1d1ee3
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diff --git a/requirements.txt b/requirements.txt
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--- /dev/null
+++ b/requirements.txt
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+certifi==2018.11.29
+chardet==3.0.4
+idna==2.8
+Pillow==5.3.0
+pytz==2018.7
+requests==2.21.0
+urllib3==1.24.1
diff --git a/satnogs-logo.png b/satnogs-logo.png
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diff --git a/update.py b/update.py
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+++ b/update.py
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+#!/bin/env python3
+import os
+import requests
+import pytz
+from datetime import datetime, timedelta
+
+from PIL import Image
+from PIL import ImageFont
+from PIL import ImageDraw
+
+from io import BytesIO
+
+
+FONT_SIZE = 40
+TEXT_COLOR = (0, 0, 0)
+
+def main():
+    now = datetime.now(pytz.utc)
+    earlier = now - timedelta(hours=1)
+
+    params = {'start' : earlier.isoformat(), 'end' : now.isoformat() }
+    resp = requests.get('https://network.satnogs.org/api/data/', params=params)
+
+    obs = resp.json()
+    obs = reversed(sorted(obs, key=lambda x: x['end']))
+
+    for ob in obs:
+        if ob['waterfall'] != None:
+            break
+
+    if ob['waterfall'] == None:
+        print("No waterfall found")
+        return
+
+    resp = requests.get('https://db.satnogs.org/api/satellites/%s/' % ob['norad_cat_id'])
+    sat_name = resp.json()['name']
+
+    resp = requests.get(ob['waterfall'])
+    waterfall = Image.open(BytesIO(resp.content))
+
+    width, height = waterfall.size
+    new_height = 1024
+    new_width  = int(new_height * width / height)
+
+    waterfall = waterfall.resize((new_width, new_height), Image.ANTIALIAS)
+
+    logo = Image.open("satnogs-logo.png").convert(waterfall.mode)
+    logo_w, logo_h = logo.size
+
+    img = Image.new(waterfall.mode, (1280,1024))
+    draw = ImageDraw.Draw(img)
+    draw.rectangle((0, 0, 1280, 1024), fill=(255, 255, 255, 255))
+
+    infos = "Satellite: %s\nStation: %s\nStart: %s\nEnd: %s" % (sat_name, ob['station_name'], ob['start'], ob['end'])
+
+    font = ImageFont.truetype("Montserrat-Regular.otf", FONT_SIZE)
+    draw.text((new_width + 100, logo_h+50),
+                infos,
+                TEXT_COLOR,
+                font=font)
+
+    img.paste(waterfall, (0, 0))
+    img.paste(logo, (new_width + 100, 20))
+
+    img.save('waterfall_tmp.png')
+    os.rename('waterfall_tmp.png', 'waterfall.png')
+
+
+if __name__ == '__main__':
+    main()