252 lines
6.6 KiB
Python
Executable file
252 lines
6.6 KiB
Python
Executable file
#!/usr/bin/python3
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# SPDX-License-Identifier: LGPL-3.0-or-later
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# Copyright (c) 2020 Daniel Thompson
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import argparse
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import io
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import random
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import os.path
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import pexpect
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import time
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import string
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import sys
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def pbar(iterable, quiet=False):
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step = 100 / len(iterable)
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for i, v in enumerate(iterable):
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if not quiet:
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percent = round(step * i, 1)
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bar = int(percent) // 2
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print(f'[{"#"*bar}{"."*(50-bar)}] {percent}%', end='\r', flush=True)
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yield v
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if not quiet:
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print(f'[{"#"*50}] 100% ')
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def sync(c):
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"""Stop the watch and synchronize with the command prompt.
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Sending a random print ensure the final export (of the prompt)
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does not accidentally match a previously issued prompt.
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"""
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tag = ''.join([random.choice(string.ascii_uppercase) for i in range(6)])
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c.send('\x03')
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c.expect('>>> ')
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c.sendline(f'print("{tag[:3]}""{tag[3:]}")')
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c.expect(tag)
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c.expect('>>> ')
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def unsync(c):
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"""Set the watch running again.
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There must be an expect (or a sleep) since if we kill the subordinate
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process too early then the sendline will not have completed.
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"""
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c.sendline('wasp.system.run()')
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c.expect('Watch is running, use Ctrl-C to stop')
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c.send('\x18')
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def paste(c, f, verbose=False, chunk=None):
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docstring = False
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tosend = []
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for ln in f.readlines():
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ln = ln.rstrip()
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# This is a bit loose (definitely not PEP-257 compliant) but
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# is enough for most code.
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if ln.lstrip().startswith('"""'):
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docstring = True
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if docstring:
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if ln.rstrip().endswith('"""'):
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docstring = False
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continue
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if ln.lstrip().startswith('#'):
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continue
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if ln.strip() == '':
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continue
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tosend.append(ln)
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for ln in pbar(tosend, verbose):
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if chunk and ln.startswith('class'):
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chunk()
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c.sendline(ln)
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c.expect('=== ')
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def print_log(logfile):
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lines = logfile.getvalue().split('\n')
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lines = [ l.strip('\x04\r') for l in lines ]
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output = [ l for l in lines if l and l != '>>> ' ]
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if output:
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print('~~~')
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print('\n'.join(output))
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print('~~~')
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def handle_eval(c, cmd):
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verbose = bool(c.logfile)
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c.send('\x05')
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c.expect('=== ')
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c.sendline(cmd)
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c.expect('=== ')
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if not verbose:
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c.logfile = io.StringIO()
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c.send('\x04')
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c.expect('>>> ')
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if not verbose:
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print_log(c.logfile)
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c.logfile.close()
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c.logfile = None
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def handle_exec(c, fname):
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verbose = bool(c.logfile)
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log = io.StringIO()
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def chunk():
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if not verbose:
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c.logfile = log
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c.send('\x04')
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c.expect('>>> ')
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if not verbose:
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c.logfile = None
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c.send('\x05')
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c.expect('=== ')
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with open(fname) as f:
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if not verbose:
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print(f'Preparing to run {fname}:')
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c.send('\x05')
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c.expect('=== ')
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paste(c, f, verbose, chunk)
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if not verbose:
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c.logfile = log
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c.send('\x04')
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c.expect('>>> ')
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if not verbose:
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c.logfile = None
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print_log(log)
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log.close()
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def handle_reset(c):
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c.send('\x05')
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c.expect('=== ')
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c.sendline('import machine')
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c.sendline('machine.reset()')
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c.expect('=== ')
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c.send('\x04')
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def handle_rtc(c):
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# Wait for the clock to tick over to the next second
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now = then = time.localtime()
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while now[5] == then[5]:
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now = time.localtime()
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# Set the time
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c.sendline(f'watch.rtc.set_localtime(({now[0]}, {now[1]}, {now[2]}, {now[3]}, {now[4]}, {now[5]}, {now[6]}, {now[7]}))')
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c.expect('>>> ')
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def check_rtc(c):
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c.sendline('print(watch.rtc.get_localtime())')
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c.expect('\(([0-9]+), ([0-9]+), ([0-9]+), ([0-9]+), ([0-9]+), ([0-9]+), ([0-9]+), ([0-9]+)\)')
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t = time.localtime()
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watch_hms = (int(c.match[4]), int(c.match[5]), int(c.match[6]))
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watch_str = f'{watch_hms[0]:02d}:{watch_hms[1]:02d}:{watch_hms[2]:02d}'
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host_hms = (t.tm_hour, t.tm_min, t.tm_sec)
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host_str = f'{host_hms[0]:02d}:{host_hms[1]:02d}:{host_hms[2]:02d}'
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delta = 3600 * (host_hms[0] - watch_hms[0]) + \
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60 * (host_hms[1] - watch_hms[1]) + \
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(host_hms[2] - watch_hms[2])
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print(f"PC <-> watch: {watch_str} <-> {host_str} (delta {delta})")
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c.expect('>>> ')
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def handle_upload(c, fname):
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verbose = bool(c.logfile)
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c.sendline('from shell import upload')
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c.expect('>>> ')
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with open(fname) as f:
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if not verbose:
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print(f'Uploading {fname}:')
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c.sendline(f'upload("{os.path.basename(fname)}")')
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c.expect('=== ')
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paste(c, f, verbose)
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c.send('\x04')
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c.expect('>>> ')
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(
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description='Wasp-os command and control client')
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parser.add_argument('--console', action='store_true',
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help='Launch a REPL session')
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parser.add_argument('--check-rtc', action='store_true',
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help='Compare workstation and watch times')
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parser.add_argument('--device',
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help='Connect only to a specific named device')
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parser.add_argument('--exec',
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help='Execute the contents of a file')
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parser.add_argument('--eval',
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help='Execute the provided python string')
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parser.add_argument('--reset', action='store_true',
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help="Reboot the device (and don't stay in bootloader mode)")
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parser.add_argument('--rtc', action='store_true',
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help='Set the time on the wasp-os device')
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parser.add_argument('--upload',
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help='Copy the specified file to the wasp-os device')
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parser.add_argument('--verbose', action='store_true',
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help='Log interaction with the wasp-os device')
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args = parser.parse_args()
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device_name = args.device
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pynus = os.path.dirname(sys.argv[0]) + '/pynus/pynus.py'
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console = pexpect.spawn(pynus, encoding='UTF-8')
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if args.verbose:
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console.logfile = sys.stdout
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console.expect('Connect')
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console.expect('Exit console using Ctrl-X')
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time.sleep(0.5)
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sync(console)
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if args.rtc:
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handle_rtc(console)
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if args.check_rtc:
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check_rtc(console)
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if args.exec:
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handle_exec(console, args.exec)
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if args.eval:
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handle_eval(console, args.eval)
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if args.upload:
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handle_upload(console, args.upload)
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if args.console:
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console.close()
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os.execl(pynus, pynus)
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if args.reset:
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handle_reset(console)
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sys.exit(0)
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unsync(console)
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