def mount(fs, mount_point):
if not isinstance(fs, NativeFileSystem):
raise ValueError(
"Only NativeFileSystems are supported on Raspberry Pi.")
sh.pmount(fs.device_path, mount_point)
return AutoUnmount(mount_point)
def __init__(self, dev):
self.dev = os.path.realpath(dev)
self.mountpoint = None
with open("/etc/mtab", "r") as f:
mtab = f.read()
mount = [
mount.split(" ") for mount in mtab.splitlines()
if mount.startswith(self.dev)
]
if mount:
self._path = mount[0][1]
else:
name = os.path.basename(dev)
sh.pmount("-tvfat", dev, name, _timeout=10)
self.mountpoint = "/media/" + name
self._path = self.mountpoint
def run_tests(board, binary, tests, log_key=None):
serial_device_name = None
for port in list_ports.comports():
if port.location and port.location[2:] == board["path"]:
serial_device_name = port.name
if not serial_device_name:
raise RuntimeError("Board not found at path: " + board["path"])
bootloader = board["bootloader"]
tests_ok = True
with redis.lock("lock:device@" + board["path"], timeout=60 * 20) as lock:
# Trigger the bootloader.
if bootloader in ("uf2", "samba"):
s = serial.Serial("/dev/" + serial_device_name,
1200,
write_timeout=4,
timeout=4)
s.close()
time.sleep(5)
if bootloader == "uf2":
# Mount the filesystem.
disk_path = None
for disk in os.listdir("/dev/disk/by-path"):
if board["path"] in disk:
disk_path = disk
if not disk_path:
raise RuntimeError("Disk not found for board: " +
board["path"])
disk_path = "/dev/disk/by-path/" + disk_path
if os.path.isfile(disk_path + "-part1"):
raise RuntimeError(
"MCU not in bootloader because part1 exists.")
sh.pmount(disk_path, "fs-" + board["path"])
mountpoint = "/media/fs-" + board["path"]
redis_log(
log_key, "Successfully mounted UF2 bootloader at {0}\n".format(
mountpoint))
with open(mountpoint + "/INFO_UF2.TXT", "r") as f:
redis_log(log_key, f.read() + "\n")
shutil.copy(binary, mountpoint)
# Unmount the mountpoint in case the device has disappeared already after the UF2
# was flashed.
sh.pumount(mountpoint)
if "circuitpython_tests" in tests:
# First find our CircuitPython disk.
start_time = time.monotonic()
disk_path = None
while not disk_path and time.monotonic() - start_time < 10:
for disk in os.listdir("/dev/disk/by-path"):
if board["path"] in disk and disk.endswith("part1"):
disk_path = disk
if not disk_path:
raise RuntimeError("Cannot find CIRCUITPY disk for device: " +
board["path"])
disk_path = "/dev/disk/by-path/" + disk_path
disk_device = os.path.basename(os.readlink(disk_path))[:-1]
with storage.mount(storage.NativeFileSystem(disk_path),
"/media/cpy-" + board["path"]):
mountpoint = "/media/cpy-" + board["path"]
redis_log(
log_key,
"Successfully mounted CIRCUITPY disk at {0}\n".format(
mountpoint))
# Now find the serial.
serial_device_name = None
for port in list_ports.comports():
if port.location and port.location[2:] == board["path"]:
serial_device_name = port.name
if not serial_device_name:
raise RuntimeError(
"No CircuitPython serial connection found at path: " +
board["path"])
with serial.Serial("/dev/" + serial_device_name,
write_timeout=4,
timeout=4) as conn:
tests_ok = run_circuitpython_tests(
log_key, board["board"], board["test_env"], mountpoint,
disk_device, conn,
tests["circuitpython_tests"]) and tests_ok
return tests_ok