/
commands.py
260 lines (219 loc) · 8.14 KB
/
commands.py
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import os
import sys
import tempfile
import serial.tools.list_ports
from .transport import TransportError
from .transport_serial import SerialTransport, stdout_write_bytes
class CommandError(Exception):
pass
def do_connect(state, args=None):
dev = args.device[0] if args else "auto"
do_disconnect(state)
try:
if dev == "list":
# List attached devices.
for p in sorted(serial.tools.list_ports.comports()):
print(
"{} {} {:04x}:{:04x} {} {}".format(
p.device,
p.serial_number,
p.vid if isinstance(p.vid, int) else 0,
p.pid if isinstance(p.pid, int) else 0,
p.manufacturer,
p.product,
)
)
# Don't do implicit REPL command.
state.did_action()
elif dev == "auto":
# Auto-detect and auto-connect to the first available USB serial port.
for p in sorted(serial.tools.list_ports.comports()):
if p.vid is not None and p.pid is not None:
try:
state.transport = SerialTransport(p.device, baudrate=115200)
return
except TransportError as er:
if not er.args[0].startswith("failed to access"):
raise er
raise TransportError("no device found")
elif dev.startswith("id:"):
# Search for a device with the given serial number.
serial_number = dev[len("id:") :]
dev = None
for p in serial.tools.list_ports.comports():
if p.serial_number == serial_number:
state.transport = SerialTransport(p.device, baudrate=115200)
return
raise TransportError("no device with serial number {}".format(serial_number))
else:
# Connect to the given device.
if dev.startswith("port:"):
dev = dev[len("port:") :]
state.transport = SerialTransport(dev, baudrate=115200)
return
except TransportError as er:
msg = er.args[0]
if msg.startswith("failed to access"):
msg += " (it may be in use by another program)"
print(msg)
sys.exit(1)
def do_disconnect(state, _args=None):
if not state.transport:
return
try:
if state.transport.mounted:
if not state.transport.in_raw_repl:
state.transport.enter_raw_repl(soft_reset=False)
state.transport.umount_local()
if state.transport.in_raw_repl:
state.transport.exit_raw_repl()
except OSError:
# Ignore any OSError exceptions when shutting down, eg:
# - filesystem_command will close the connection if it had an error
# - umounting will fail if serial port disappeared
pass
state.transport.close()
state.transport = None
state._auto_soft_reset = True
def show_progress_bar(size, total_size, op="copying"):
if not sys.stdout.isatty():
return
verbose_size = 2048
bar_length = 20
if total_size < verbose_size:
return
elif size >= total_size:
# Clear progress bar when copy completes
print("\r" + " " * (13 + len(op) + bar_length) + "\r", end="")
else:
bar = size * bar_length // total_size
progress = size * 100 // total_size
print(
"\r ... {} {:3d}% [{}{}]".format(op, progress, "#" * bar, "-" * (bar_length - bar)),
end="",
)
def do_filesystem(state, args):
state.ensure_raw_repl()
state.did_action()
def _list_recursive(files, path):
if os.path.isdir(path):
for entry in os.listdir(path):
_list_recursive(files, "/".join((path, entry)))
else:
files.append(os.path.split(path))
command = args.command[0]
paths = args.path
if command == "cat":
# Don't be verbose by default when using cat, so output can be
# redirected to something.
verbose = args.verbose is True
else:
verbose = args.verbose is not False
if command == "cp" and args.recursive:
if paths[-1] != ":":
raise CommandError("'cp -r' destination must be ':'")
paths.pop()
src_files = []
for path in paths:
if path.startswith(":"):
raise CommandError("'cp -r' source files must be local")
_list_recursive(src_files, path)
known_dirs = {""}
state.transport.exec("import os")
for dir, file in src_files:
dir_parts = dir.split("/")
for i in range(len(dir_parts)):
d = "/".join(dir_parts[: i + 1])
if d not in known_dirs:
state.transport.exec(
"try:\n os.mkdir('%s')\nexcept OSError as e:\n print(e)" % d
)
known_dirs.add(d)
state.transport.filesystem_command(
["cp", "/".join((dir, file)), ":" + dir + "/"],
progress_callback=show_progress_bar,
verbose=verbose,
)
else:
if args.recursive:
raise CommandError("'-r' only supported for 'cp'")
try:
state.transport.filesystem_command(
[command] + paths, progress_callback=show_progress_bar, verbose=verbose
)
except OSError as er:
raise CommandError(er)
def do_edit(state, args):
state.ensure_raw_repl()
state.did_action()
if not os.getenv("EDITOR"):
raise TransportError("edit: $EDITOR not set")
for src in args.files:
src = src.lstrip(":")
dest_fd, dest = tempfile.mkstemp(suffix=os.path.basename(src))
try:
print("edit :%s" % (src,))
os.close(dest_fd)
state.transport.fs_touch(src)
state.transport.fs_get(src, dest, progress_callback=show_progress_bar)
if os.system('%s "%s"' % (os.getenv("EDITOR"), dest)) == 0:
state.transport.fs_put(dest, src, progress_callback=show_progress_bar)
finally:
os.unlink(dest)
def _do_execbuffer(state, buf, follow):
state.ensure_raw_repl()
state.did_action()
try:
state.transport.exec_raw_no_follow(buf)
if follow:
ret, ret_err = state.transport.follow(timeout=None, data_consumer=stdout_write_bytes)
if ret_err:
stdout_write_bytes(ret_err)
sys.exit(1)
except TransportError as er:
print(er)
sys.exit(1)
except KeyboardInterrupt:
sys.exit(1)
def do_exec(state, args):
_do_execbuffer(state, args.expr[0], args.follow)
def do_eval(state, args):
buf = "print(" + args.expr[0] + ")"
_do_execbuffer(state, buf, True)
def do_run(state, args):
filename = args.path[0]
try:
with open(filename, "rb") as f:
buf = f.read()
except OSError:
raise CommandError(f"could not read file '{filename}'")
_do_execbuffer(state, buf, args.follow)
def do_mount(state, args):
state.ensure_raw_repl()
path = args.path[0]
state.transport.mount_local(path, unsafe_links=args.unsafe_links)
print(f"Local directory {path} is mounted at /remote")
def do_umount(state, path):
state.ensure_raw_repl()
state.transport.umount_local()
def do_resume(state, _args=None):
state._auto_soft_reset = False
def do_soft_reset(state, _args=None):
state.ensure_raw_repl(soft_reset=True)
def do_rtc(state, args):
if args.set:
import datetime
now = datetime.datetime.now()
timetuple = "({}, {}, {}, {}, {}, {}, {}, {})".format(
now.year,
now.month,
now.day,
now.weekday(),
now.hour,
now.minute,
now.second,
now.microsecond,
)
_do_execbuffer(state, "import machine; machine.RTC().datetime({})".format(timetuple), True)
else:
_do_execbuffer(state, "import machine; print(machine.RTC().datetime())", True)