Initial

.gitignore

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+config.py
+*.pyc
+*.jpg
+*.ttf
+

README.md

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+https://material.io/guidelines/resources/roboto-noto-fonts.html

cputemp.py

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+class CpuTemp:
+    def read(self):
+       f = open("/sys/class/thermal/thermal_zone0/temp", "r")
+       val = float(f.read())
+       val = val / 1000.0
+       return "{0:.2f}".format(val)

main.py

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+import picamera
+import io
+import time
+import tweepy
+
+from config import config
+from cputemp import CpuTemp
+from PIL import Image, ImageFont, ImageDraw
+from tweeter import Tweeter
+
+def read_image(preview_time):
+    stream = io.BytesIO()
+    with picamera.PiCamera() as camera:
+        camera.start_preview()
+        camera.vflip = True
+        camera.hflip = True
+        camera.resolution = (1920, 1080)
+        # Camera warm-up time
+        time.sleep(preview_time)
+        camera.capture(stream, 'jpeg')
+    return stream
+
+def watermark(filename, msg):
+    img = Image.open(filename)
+    draw = ImageDraw.Draw(img)
+    font = ImageFont.truetype('roboto/Roboto-Regular.ttf', 36)
+    draw.text((10, 10), msg, (0, 0, 0), font=font)
+    img.save(filename) 
+
+if(__name__=="__main__"):
+    preview_time = 1
+    stream = read_image(preview_time)
+
+    filename = "image.jpg"
+    with open(filename, 'wb') as file:
+        file.write(stream.getvalue())
+    cpu = CpuTemp()
+    msg = "CPU temp: " + cpu.read() + "C"
+    watermark(filename, msg)
+
+    if config["tweet"] == True:
+        tweeter = Tweeter(config, tweepy)
+        tweeter.send(filename, "Internet of Seeds Mark II")
+

requirements.txt

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+tweepy
+picamera
+pillow

seed-it.sh

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+#!/bin/bash
+
+cd /home/pi/seeds2/
+python main.py
+rm image.jpg

tweeter.py

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+class Tweeter:
+    def __init__(self, config, tweepy):
+        self.tweepy = tweepy
+        self.config = config
+
+    def send(self, filename, status_text):
+
+        ckey = self.config["ckey"]
+        csecret = self.config["csecret"]
+        akey = self.config["akey"]
+        asecret = self.config["asecret"]
+
+        auth = self.tweepy.OAuthHandler(ckey, csecret)
+        auth.set_access_token(akey, asecret)
+        api = self.tweepy.API(auth)
+        api.update_with_media(filename, status=status_text)
+