tools/cpboard.py: run black formatter

This commit is contained in:
sommersoft 2020-06-03 18:01:12 -05:00
parent cf9da59829
commit 074697a89f

View File

@ -39,27 +39,34 @@ import serial.tools.list_ports
import sh
import shutil
class CPboardError(BaseException):
pass
# supervisor/messages/default.h:
MSG_NEWLINE = b"\r\n"
MSG_SAFE_MODE_CRASH = b"Looks like our core CircuitPython code crashed hard. Whoops!"
MSG_SAFE_MODE_BROWN_OUT_LINE_1 = b"The microcontroller's power dipped. Please make sure your power supply provides"
MSG_SAFE_MODE_BROWN_OUT_LINE_2 = b"enough power for the whole circuit and press reset (after ejecting CIRCUITPY)."
MSG_SAFE_MODE_BROWN_OUT_LINE_1 = (
b"The microcontroller's power dipped. Please make sure your power supply provides"
)
MSG_SAFE_MODE_BROWN_OUT_LINE_2 = (
b"enough power for the whole circuit and press reset (after ejecting CIRCUITPY)."
)
MSG_WAIT_BEFORE_REPL = b"Press any key to enter the REPL. Use CTRL-D to reload."
class REPL:
CHAR_CTRL_A = b'\x01'
CHAR_CTRL_B = b'\x02'
CHAR_CTRL_C = b'\x03'
CHAR_CTRL_D = b'\x04'
CHAR_CTRL_A = b"\x01"
CHAR_CTRL_B = b"\x02"
CHAR_CTRL_C = b"\x03"
CHAR_CTRL_D = b"\x04"
def __init__(self, board):
self.board = board
self.write_chunk_size = 32
self.safe_mode = False
self.session = b''
self.session = b""
def __enter__(self):
self.reset()
@ -76,12 +83,12 @@ class REPL:
if self.serial.in_waiting:
data = self.serial.read(self.serial.in_waiting)
else:
data = b''
data = b""
self.session += data
return data
def read_until(self, ending, timeout=10):
data = b''
data = b""
timeout_count = 0
while True:
if data.endswith(ending):
@ -102,10 +109,10 @@ class REPL:
if chunk_size is None:
chunk_size = self.write_chunk_size
if not isinstance(data, bytes):
data = bytes(data, encoding='utf8')
data = bytes(data, encoding="utf8")
for i in range(0, len(data), chunk_size):
chunk = data[i:min(i + chunk_size, len(data))]
chunk = data[i : min(i + chunk_size, len(data))]
self.session += chunk
self.serial.write(chunk)
time.sleep(0.01)
@ -113,28 +120,30 @@ class REPL:
def reset(self):
# Use read() since serial.reset_input_buffer() fails with termios.error now and then
self.read()
self.session = b''
self.write(b'\r' + REPL.CHAR_CTRL_C + REPL.CHAR_CTRL_C) # interrupt any running program
self.write(b'\r' + REPL.CHAR_CTRL_B) # enter or reset friendly repl
data = self.read_until(b'>>> ')
self.session = b""
self.write(
b"\r" + REPL.CHAR_CTRL_C + REPL.CHAR_CTRL_C
) # interrupt any running program
self.write(b"\r" + REPL.CHAR_CTRL_B) # enter or reset friendly repl
data = self.read_until(b">>> ")
def execute(self, code, timeout=10, wait_for_response=False):
self.read() # Throw away
self.read() # Throw away
self.write(REPL.CHAR_CTRL_A)
self.read_until(b'\r\n>')
self.read_until(b"\r\n>")
self.write(code)
self.write(REPL.CHAR_CTRL_D)
if wait_for_response:
return b'', b''
self.read_until(b'OK')
return b"", b""
self.read_until(b"OK")
output = self.read_until(b'\x04', timeout=timeout)
output = self.read_until(b"\x04", timeout=timeout)
output = output[:-1]
error = self.read_until(b'\x04')
error = self.read_until(b"\x04")
error = error[:-1]
return output, error
@ -146,8 +155,8 @@ class REPL:
self.reset()
self.write(REPL.CHAR_CTRL_D)
data = self.read_until(b' output:\r\n')
if b'Running in safe mode' in data:
data = self.read_until(b" output:\r\n")
if b"Running in safe mode" in data:
self.safe_mode = True
raise RuntimeError("Can't run in safe mode")
@ -159,7 +168,7 @@ class REPL:
data = data.split(marker)[0]
# Haven't found out why we have to strip off this...
if data.endswith(b'\r\n\r\n'):
if data.endswith(b"\r\n\r\n"):
data = data[:-4]
return data
@ -168,9 +177,13 @@ class Disk:
def __init__(self, dev):
self.dev = os.path.realpath(dev)
self.mountpoint = None
with open('/etc/mtab', 'r') as f:
with open("/etc/mtab", "r") as f:
mtab = f.read()
mount = [mount.split(' ') for mount in mtab.splitlines() if mount.startswith(self.dev)]
mount = [
mount.split(" ")
for mount in mtab.splitlines()
if mount.startswith(self.dev)
]
if mount:
self._path = mount[0][1]
else:
@ -245,22 +258,22 @@ class Firmware:
@property
def info(self):
with self.disk as disk:
fname = os.path.join(disk.path, 'INFO_UF2.TXT')
with open(fname, 'r') as f:
fname = os.path.join(disk.path, "INFO_UF2.TXT")
with open(fname, "r") as f:
info = f.read()
lines = info.splitlines()
res = {}
res['header'] = lines[0]
res["header"] = lines[0]
for line in lines[1:]:
k, _, v = line.partition(':')
res[k.replace(':', '')] = v.strip()
k, _, v = line.partition(":")
res[k.replace(":", "")] = v.strip()
return res
def upload(self, fw):
with open(fw, 'rb') as f:
with open(fw, "rb") as f:
header = f.read(32)
if header[0:4] != b'UF2\n':
raise ValueError('Only UF2 files are supported')
if header[0:4] != b"UF2\n":
raise ValueError("Only UF2 files are supported")
self.board.close()
with self.disk as disk:
disk.copy(fw, sync=False)
@ -274,35 +287,37 @@ class CPboard:
except ValueError:
pass
vendor, _, product = name.partition(':')
vendor, _, product = name.partition(":")
if vendor and product:
return CPboard.from_usb(**kwargs, idVendor=int(vendor, 16), idProduct=int(product, 16))
return CPboard.from_usb(
**kwargs, idVendor=int(vendor, 16), idProduct=int(product, 16)
)
return CPboard(name, **kwargs)
@classmethod
def from_build_name(cls, name, **kwargs):
boards = {
#'arduino_zero'
'circuitplayground_express' : (0x239a, 0x8019),
#'feather_m0_adalogger' : (0x239a, ),
#'feather_m0_basic' : (0x239a, ),
'feather_m0_express' : (0x239a, 0x8023),
#'feather_m0_rfm69' : (0x239a, ),
#'feather_m0_rfm9x' : (0x239a, ),
#'feather_m0_supersized' : (0x239a, ),
#'feather_m4_express' : (0x239a, ),
#'gemma_m0' : (0x239a, ),
#'itsybitsy_m0_express' : (0x239a, ),
#'itsybitsy_m4_express' : (0x239a, ),
'metro_m0_express' : (0x239a, 0x8014),
'metro_m4_express' : (0x239a, 0x8021),
#'metro_m4_express_revb' : (0x239a, ),
#'pirkey_m0' : (0x239a, ),
#'trinket_m0' : (0x239a, ),
#'trinket_m0_haxpress' : (0x239a, ),
#'ugame10'
}
#'arduino_zero'
"circuitplayground_express": (0x239A, 0x8019),
#'feather_m0_adalogger' : (0x239a, ),
#'feather_m0_basic' : (0x239a, ),
"feather_m0_express": (0x239A, 0x8023),
#'feather_m0_rfm69' : (0x239a, ),
#'feather_m0_rfm9x' : (0x239a, ),
#'feather_m0_supersized' : (0x239a, ),
#'feather_m4_express' : (0x239a, ),
#'gemma_m0' : (0x239a, ),
#'itsybitsy_m0_express' : (0x239a, ),
"itsybitsy_m4_express": (0x239A, 0x802C),
"metro_m0_express": (0x239A, 0x8014),
"metro_m4_express": (0x239A, 0x8021),
#'metro_m4_express_revb' : (0x239a, ),
#'pirkey_m0' : (0x239a, ),
#'trinket_m0' : (0x239a, ),
#'trinket_m0_haxpress' : (0x239a, ),
#'ugame10'
}
try:
vendor, product = boards[name]
@ -314,26 +329,26 @@ class CPboard:
@classmethod
def from_build_name_bootloader(cls, name, **kwargs):
boards = {
#'arduino_zero'
#'circuitplayground_express' : (0x239a, ),
#'feather_m0_adalogger' : (0x239a, ),
#'feather_m0_basic' : (0x239a, ),
'feather_m0_express' : (0x239a, 0x001b),
#'feather_m0_rfm69' : (0x239a, ),
#'feather_m0_rfm9x' : (0x239a, ),
#'feather_m0_supersized' : (0x239a, ),
#'feather_m4_express' : (0x239a, ),
#'gemma_m0' : (0x239a, ),
#'itsybitsy_m0_express' : (0x239a, ),
#'itsybitsy_m4_express' : (0x239a, ),
#'metro_m0_express' : (0x239a, 0x8014),
'metro_m4_express' : (0x239a, 0x0021),
#'metro_m4_express_revb' : (0x239a, ),
#'pirkey_m0' : (0x239a, ),
#'trinket_m0' : (0x239a, ),
#'trinket_m0_haxpress' : (0x239a, ),
#'ugame10'
}
#'arduino_zero'
#'circuitplayground_express' : (0x239a, ),
#'feather_m0_adalogger' : (0x239a, ),
#'feather_m0_basic' : (0x239a, ),
"feather_m0_express": (0x239A, 0x001B),
#'feather_m0_rfm69' : (0x239a, ),
#'feather_m0_rfm9x' : (0x239a, ),
#'feather_m0_supersized' : (0x239a, ),
#'feather_m4_express' : (0x239a, ),
#'gemma_m0' : (0x239a, ),
#'itsybitsy_m0_express' : (0x239a, ),
"itsybitsy_m4_express": (0x239A, 0x002B),
#'metro_m0_express' : (0x239a, 0x8014),
"metro_m4_express": (0x239A, 0x0021),
#'metro_m4_express_revb' : (0x239a, ),
#'pirkey_m0' : (0x239a, ),
#'trinket_m0' : (0x239a, ),
#'trinket_m0_haxpress' : (0x239a, ),
#'ugame10'
}
try:
vendor, product = boards[name]
@ -347,16 +362,17 @@ class CPboard:
@classmethod
def from_usb(cls, baudrate=115200, wait=0, timeout=10, **kwargs):
import usb.core
dev = usb.core.find(**kwargs)
if not dev:
s = "Can't find USB device: "
args = []
for x in kwargs.items():
try:
args.append('%s=0x%x' % x)
args.append("%s=0x%x" % x)
except:
args.append('%s = %s' % x)
raise RuntimeError("Can't find USB device: " + ', '.join(args))
args.append("%s = %s" % x)
raise RuntimeError("Can't find USB device: " + ", ".join(args))
return cls(dev, baudrate=baudrate, wait=wait, timeout=timeout)
def __init__(self, device, baudrate=115200, wait=0, timeout=10):
@ -364,11 +380,15 @@ class CPboard:
self.usb_dev = None
try:
# Is it a usb.core.Device?
portstr = ':' + '.'.join(map(str, device.port_numbers)) + ':'
portstr = ":" + ".".join(map(str, device.port_numbers)) + ":"
except:
pass
else:
serials = [serial for serial in os.listdir("/dev/serial/by-path") if portstr in serial]
serials = [
serial
for serial in os.listdir("/dev/serial/by-path")
if portstr in serial
]
if len(serials) != 1:
raise RuntimeError("Can't find excatly one matching usb serial device")
self.device = os.path.realpath("/dev/serial/by-path/" + serials[0])
@ -401,26 +421,29 @@ class CPboard:
delayed = False
for attempt in range(wait + 1):
try:
self.serial = serial.Serial(self.device, baudrate=self.baudrate,
timeout=self.timeout,
inter_byte_timeout=10,
write_timeout=self.timeout)
self.serial = serial.Serial(
self.device,
baudrate=self.baudrate,
timeout=self.timeout,
inter_byte_timeout=10,
write_timeout=self.timeout,
)
break
except (OSError, IOError): # Py2 and Py3 have different errors
except (OSError, IOError): # Py2 and Py3 have different errors
if wait == 0:
continue
if attempt == 0:
sys.stdout.write('Waiting {} seconds for board '.format(wait))
sys.stdout.write("Waiting {} seconds for board ".format(wait))
delayed = True
time.sleep(1)
sys.stdout.write('.')
sys.stdout.write(".")
sys.stdout.flush()
else:
if delayed:
print('')
raise CPboardError('failed to access ' + self.device)
print("")
raise CPboardError("failed to access " + self.device)
if delayed:
print('')
print("")
def close(self):
if self.serial:
@ -430,38 +453,43 @@ class CPboard:
def exec(self, command, timeout=10, wait_for_response=False):
with self.repl as repl:
try:
output, error = repl.execute(command, timeout=timeout,
wait_for_response=wait_for_response)
output, error = repl.execute(
command, timeout=timeout, wait_for_response=wait_for_response
)
except OSError as e:
if self.debug:
print('exec: session: ', self.repl.session)
raise CPboardError('timeout', e)
print("exec: session: ", self.repl.session)
raise CPboardError("timeout", e)
if error:
raise CPboardError('exception', output, error)
raise CPboardError("exception", output, error)
return output
def eval(self, expression, timeout=10):
command = 'print({})'.format(expression)
command = "print({})".format(expression)
with self.repl as repl:
output, error = repl.execute(command, timeout=timeout)
if error:
raise CPboardError('exception', output, error)
raise CPboardError("exception", output, error)
try:
res = eval(str(output, encoding='utf8'))
res = eval(str(output, encoding="utf8"))
except:
raise CPboardError('failed to eval: %s' % output)
raise CPboardError("failed to eval: %s" % output)
return res
def _reset(self, mode='NORMAL'):
self.exec("import microcontroller;microcontroller.on_next_reset(microcontroller.RunMode.%s)" % mode)
def _reset(self, mode="NORMAL"):
self.exec(
"import microcontroller;microcontroller.on_next_reset(microcontroller.RunMode.%s)"
% mode
)
try:
self.exec("import microcontroller;microcontroller.reset()",
wait_for_response=True)
self.exec(
"import microcontroller;microcontroller.reset()", wait_for_response=True
)
except OSError:
pass
def reset(self, safe_mode=False, delay=5, wait=10):
self._reset('SAFE_MODE' if safe_mode else 'NORMAL')
self._reset("SAFE_MODE" if safe_mode else "NORMAL")
self.close()
time.sleep(delay)
self.open(wait)
@ -469,7 +497,7 @@ class CPboard:
def reset_to_bootloader(self, repl=False):
if repl:
self._reset('BOOTLOADER')
self._reset("BOOTLOADER")
self.close()
else:
self.close()
@ -486,7 +514,7 @@ class CPboard:
@property
def serial_number(self):
try: # Permissions are needed to read the value
try: # Permissions are needed to read the value
return self.usb_dev.serial_number
except:
pass
@ -495,18 +523,26 @@ class CPboard:
def get_disks(self):
if self.usb_dev:
portstr = ':' + '.'.join(map(str, self.usb_dev.port_numbers)) + ':'
return ["/dev/disk/by-path/" + disk for disk in os.listdir("/dev/disk/by-path") if portstr in disk]
portstr = ":" + ".".join(map(str, self.usb_dev.port_numbers)) + ":"
return [
"/dev/disk/by-path/" + disk
for disk in os.listdir("/dev/disk/by-path")
if portstr in disk
]
serial = self.serial_number
if not serial:
raise RuntimeError("Serial number not found for: " + self.device)
return ["/dev/disk/by-id/" + disk for disk in os.listdir("/dev/disk/by-id") if serial in disk]
return [
"/dev/disk/by-id/" + disk
for disk in os.listdir("/dev/disk/by-id")
if serial in disk
]
@property
def disk(self):
disks = self.get_disks()
part = [part for part in disks if 'part1' in part]
part = [part for part in disks if "part1" in part]
if not part:
raise RuntimeError("Disk not found for: " + self.device)
@ -518,13 +554,13 @@ class CPboard:
def execfile_disk(self, filename):
with self.disk as disk:
disk.copy(filename, 'code.py')
disk.copy(filename, "code.py")
with self.repl as repl:
try:
output = repl.run()
except OSError as e:
raise CPboardError('timeout', e)
raise CPboardError("timeout", e)
except RuntimeError:
if self.repl.safe_mode:
raise PyboardError("Can't run in safe mode")
@ -534,10 +570,10 @@ class CPboard:
return output
def execfile(self, filename, timeout=10):
if os.environ.get('CPBOARD_EXEC_MODE') == 'disk':
if os.environ.get("CPBOARD_EXEC_MODE") == "disk":
return self.execfile_disk(filename)
else:
with open(filename, 'rb') as f:
with open(filename, "rb") as f:
pyfile = f.read()
return self.exec(pyfile, timeout=timeout)
@ -545,11 +581,14 @@ class CPboard:
# Implement just enough to make tests/run-tests work
PyboardError = CPboardError
class Pyboard:
def __init__(self, device, baudrate=115200, user='micro', password='python', wait=0):
def __init__(
self, device, baudrate=115200, user="micro", password="python", wait=0
):
self.board = CPboard.from_try_all(device, baudrate=baudrate, wait=wait)
with self.board.disk as disk:
disk.copy('skip_if.py')
disk.copy("skip_if.py")
def close(self):
self.board.close()
@ -563,12 +602,13 @@ class Pyboard:
def eval_namedtuple(board, command):
from collections import namedtuple
s = board.exec("print(%s)" % command)
s = s.decode().strip()
items = [key.split('=') for key in s[1:-1].split(', ')]
items = [key.split("=") for key in s[1:-1].split(", ")]
keys = [item[0] for item in items]
vals = [item[1] for item in items]
nt = namedtuple('eval', keys)
nt = namedtuple("eval", keys)
res = nt(*[eval(val) for val in vals])
return res
@ -576,14 +616,16 @@ def eval_namedtuple(board, command):
def os_uname(board):
return eval_namedtuple(board, "__import__('os').uname()")
def print_verbose(cargs, *args, **kwargs):
if cargs.verbose:
print(*args, flush=True, **kwargs)
def upload(args):
try:
board = CPboard.from_build_name_bootloader(args.board)
print_verbose(args, 'Board is already in the bootloader')
print_verbose(args, "Board is already in the bootloader")
except (ValueError, RuntimeError):
board = CPboard.from_try_all(args.board)
@ -591,29 +633,32 @@ def upload(args):
if not (args.quiet or board.bootloader):
board.open()
print('Current version:', os_uname(board).version, flush=True)
print("Current version:", os_uname(board).version, flush=True)
if not board.bootloader:
print_verbose(args, 'Reset to bootloader...', end='')
board.reset_to_bootloader(repl=True) # Feather M0 Express doesn't respond to 1200 baud
print_verbose(args, "Reset to bootloader...", end="")
board.reset_to_bootloader(
repl=True
) # Feather M0 Express doesn't respond to 1200 baud
time.sleep(5)
print_verbose(args, 'done')
print_verbose(args, "done")
print_verbose(args, 'Bootloader:', board.firmware.info)
print_verbose(args, "Bootloader:", board.firmware.info)
print_verbose(args, 'Upload firmware...', end='')
print_verbose(args, "Upload firmware...", end="")
board.firmware.upload(args.firmware)
print_verbose(args, 'done')
print_verbose(args, "done")
print_verbose(args, 'Wait for board...', end='')
print_verbose(args, "Wait for board...", end="")
time.sleep(5)
print_verbose(args, 'done')
print_verbose(args, "done")
if not args.quiet:
if board.bootloader:
board = CPboard.from_try_all(args.board)
board.open(wait=10)
print('New version:', os_uname(board).version, flush=True)
print("New version:", os_uname(board).version, flush=True)
def print_error_exit(args, e):
if args.debug:
@ -622,16 +667,20 @@ def print_error_exit(args, e):
print(e, file=sys.stderr)
sys.exit(1)
def main():
import argparse
cmd_parser = argparse.ArgumentParser(description='Circuit Python Board Tool')
cmd_parser.add_argument('board', help='build_name, vid:pid or /dev/tty')
cmd_parser.add_argument('-f', '--firmware', help='upload UF2 firmware file')
cmd_parser.add_argument('-c', '--command', help='program passed in as string')
cmd_parser.add_argument('--tty', action='store_true', help='print tty')
cmd_parser.add_argument('--verbose', '-v', action='count', default=0, help='be verbose')
cmd_parser.add_argument('-q', '--quiet', action='store_true', help='be quiet')
cmd_parser.add_argument('--debug', action='store_true', help='raise exceptions')
cmd_parser = argparse.ArgumentParser(description="Circuit Python Board Tool")
cmd_parser.add_argument("board", help="build_name, vid:pid or /dev/tty")
cmd_parser.add_argument("-f", "--firmware", help="upload UF2 firmware file")
cmd_parser.add_argument("-c", "--command", help="program passed in as string")
cmd_parser.add_argument("--tty", action="store_true", help="print tty")
cmd_parser.add_argument(
"--verbose", "-v", action="count", default=0, help="be verbose"
)
cmd_parser.add_argument("-q", "--quiet", action="store_true", help="be quiet")
cmd_parser.add_argument("--debug", action="store_true", help="raise exceptions")
args = cmd_parser.parse_args()
if args.quiet:
@ -653,9 +702,9 @@ def main():
raise
if args.verbose:
exec_mode = os.environ.get('CPBOARD_EXEC_MODE')
exec_mode = os.environ.get("CPBOARD_EXEC_MODE")
if exec_mode:
print('CPBOARD_EXEC_MODE =', exec_mode)
print("CPBOARD_EXEC_MODE =", exec_mode)
# Make sure we can open serial
try:
@ -672,18 +721,21 @@ def main():
print(b.eval(args.command))
else:
with board as b:
print('Device: ', end='')
print("Device: ", end="")
if b.usb_dev:
print('%04x:%04x on ' % (b.usb_dev.idVendor, b.usb_dev.idProduct), end='')
print(
"%04x:%04x on " % (b.usb_dev.idVendor, b.usb_dev.idProduct), end=""
)
print(b.device)
print('Serial number:', b.serial_number)
print("Serial number:", b.serial_number)
uname = os_uname(b)
print('os.uname:')
print(' sysname:', uname.sysname)
print(' nodename:', uname.nodename)
print(' release:', uname.release)
print(' version:', uname.version)
print(' machine:', uname.machine)
print("os.uname:")
print(" sysname:", uname.sysname)
print(" nodename:", uname.nodename)
print(" release:", uname.release)
print(" version:", uname.version)
print(" machine:", uname.machine)
if __name__ == "__main__":
main()