Add new file

flash.py

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+#!/usr/bin/env python3
+
+import subprocess
+import time
+
+#--
+drive_blacklist = {"/boot","/"}
+#--
+
+def get_mountedlist():
+    return [item[item.find("/"):] for item in subprocess.check_output(
+            ["/bin/bash", "-c", "lsblk"]).decode("utf-8").split("\n") if "/" in item]
+
+def get_mounted_devs():
+    cmd = ["/bin/bash", "-c", "lsblk"]
+    output = subprocess.check_output(cmd).decode("utf-8").split("\n")
+    res = set()
+    for item in output:
+        if item.startswith("sd"):
+            # print(f"Found /dev/{item.split(' ')[0]}")
+            res.add(f"/dev/{item.split(' ')[0]}")
+    return res
+
+def flash(dev):
+    flash_cmd = ["/bin/dd", "if=/home/pi/Downloads/2019-07-10-raspbian-buster-lite.img", f"of={dev}"]
+    output = subprocess.check_output(flash_cmd).decode("utf-8")
+    print(output)
+    return True
+
+done = set()
+while True:
+    devs = get_mounted_devs()
+    done = done.intersection(devs)
+    for dev in devs:
+        if dev not in done:
+            print(f"Flashing {dev}")
+            if flash(dev):
+                print(f"Flashed {dev}")
+                done.add(dev)
+    time.sleep(1)