1  # SPDX-FileCopyrightText: 2019 Limor Fried for Adafruit Industries
 2  #
 3  # SPDX-License-Identifier: MIT
 4  
 5  import time
 6  import os
 7  import random
 8  import board
 9  from adafruit_pyportal import PyPortal
10  
11  # Set up where we'll be fetching data from
12  TWITTER_USER = "DuneQuoteBot"
13  TWITTER_TO_XML = "https://twitrss.me/twitter_user_to_rss/?user="
14  XML_TO_JSON = "http://www.unmung.com/mf2?url=http://www.unmung.com/feed?feed="
15  NUM_TWEETS=20  # how many tweets we get within a query to randomize from
16  DATA_SOURCE = XML_TO_JSON+TWITTER_TO_XML+TWITTER_USER
17  TEXT_LOCATION = ["items", 0, "children", 0, "properties", "name", 0]
18  
19  # the current working directory (where this file is)
20  cwd = ("/"+__file__).rsplit('/', 1)[0]
21  
22  # Find all image files on the storage
23  imagefiles = [file for file in os.listdir(cwd+"/backgrounds/")
24                if (file.endswith(".bmp") and not file.startswith("._"))]
25  for i, filename in enumerate(imagefiles):
26      imagefiles[i] = cwd+"/backgrounds/"+filename
27  print("Image files found: ", imagefiles)
28  
29  pyportal = PyPortal(url=DATA_SOURCE,
30                      json_path=TEXT_LOCATION,
31                      status_neopixel=board.NEOPIXEL,
32                      default_bg=imagefiles[0],
33                      text_font=cwd+"/fonts/Arial-Italic-12.bdf",
34                      text_position=(25, 20),
35                      text_color=0xFFFFFF,
36                      text_wrap=35, # character to wrap around
37                      text_maxlen=280, # cut off characters
38                     )
39  pyportal.preload_font()
40  
41  while True:
42      response = None
43      try:
44          pyportal.set_background(random.choice(imagefiles))
45          response = pyportal.fetch()
46          print("Response is", response)
47      except (IndexError, RuntimeError, ValueError) as e:
48          print("Some error occured, retrying! -", e)
49  
50      # next tweet should be random!
51      tweet_idx = random.randint(0, NUM_TWEETS)
52      TEXT_LOCATION[3] = tweet_idx
53      time.sleep(60)