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@@ -1,18 +1,33 @@
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#!/usr/bin/env python3
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import os
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import subprocess
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-from datetime import datetime
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+from datetime import datetime, timedelta
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+from PIL import Image
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+import imagehash
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import requests
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+
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today = datetime.today().strftime("%Y-%m-%d")
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+yesterday = (datetime.today() - timedelta(days=1)).strftime("%Y-%m-%d")
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home = os.path.expanduser("~")
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+check_path = f"{home}/var/media/backgrounds/bing/{yesterday}.jpg"
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target_path = f"{home}/var/media/backgrounds/bing/{today}.jpg"
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# If the file for today already exists, just exit
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if os.path.isfile(target_path):
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- print(f"Bing image for {today} already exists, skipping download")
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- exit()
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+
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+ yesterday_img = imagehash.average_hash(Image.open(check_path))
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+ today_img = imagehash.average_hash(Image.open(target_path))
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+ cutoff = 5 # maximum bits that could be different between the hashes.
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+
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+ found_match = today_img - yesterday_img < cutoff
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+
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+ if not found_match:
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+ print(f"Bing image for {today} already exists, skipping download")
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+ exit()
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+
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+ print(f"Bing image for {today} same as yesterday, overwriting")
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iotd_uri = "https://www.bing.com/HPImageArchive.aspx?format=js&idx=1&n=1"
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r = requests.get(iotd_uri)
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