forked from Archive/PX4-Autopilot
209 lines
6.6 KiB
Python
Executable File
209 lines
6.6 KiB
Python
Executable File
#!/usr/bin/env python
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############################################################################
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#
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# Copyright (C) 2013-2014 PX4 Development Team. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name PX4 nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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"""Fetch files via nsh console
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Usage: python fetch_file.py [-l] [-f] [-d device] [-s speed] [-o out_path] path
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\t-l\tList files
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\t-f\tOverwrite existing files
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\t-d\tSerial device
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\t-s\tSerial baudrate
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\t-o\tOutput path
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\tpath\tPath to list/fetch, if ends with "/" then directory will be fetched recursively"""
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from __future__ import print_function
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__author__ = "Anton Babushkin"
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__version__ = "1.1"
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import serial, time, sys, os
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def _wait_for_string(ser, s, timeout):
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t0 = time.time()
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buf = []
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res = []
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while (True):
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c = ser.read()
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buf.append(c)
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if len(buf) > len(s):
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res.append(buf.pop(0))
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if "".join(buf) == s:
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break
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if timeout > 0.0 and time.time() - t0 > timeout:
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raise Exception("Timeout while waiting for: " + s)
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return "".join(res)
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def _exec_cmd(ser, cmd, timeout):
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ser.write(cmd + "\n")
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ser.flush()
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_wait_for_string(ser, cmd + "\r\n", timeout)
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return _wait_for_string(ser, "nsh> \x1b[K", timeout)
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def _ls_dir_raw(ser, dir, timeout):
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return _exec_cmd(ser, "ls -l " + dir, timeout)
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def _ls_dir(ser, dir, timeout):
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res = []
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for line in _ls_dir_raw(ser, dir, timeout).splitlines():
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if line == dir + ":":
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continue
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if line.startswith("nsh: ls: no such directory:"):
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raise Exception("No such file: " + dir)
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res.append((line[20:], int(line[11:19].strip()), line[1] == "d"))
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return res
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def _get_file(ser, fn, fn_out, force, timeout):
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print("Get %s:" % fn, end=' ')
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if not force:
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# Check if file already exists with the same size
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try:
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os.stat(fn_out)
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except:
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pass
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else:
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print("already fetched, skip")
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return
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cmd = "dumpfile " + fn
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ser.write(cmd + "\n")
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ser.flush()
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_wait_for_string(ser, cmd + "\r\n", timeout)
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res = _wait_for_string(ser, "\n", timeout)
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if res.startswith("OK"):
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# Got correct responce, open temp file
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fn_out_part = fn_out + ".part"
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fout = open(fn_out_part, "wb")
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size = int(res.split()[1])
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sys.stdout.write(" [%i bytes] " % size)
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n = 0
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while (n < size):
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buf = ser.read(min(size - n, 8192))
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n += len(buf)
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sys.stdout.write(".")
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sys.stdout.flush()
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fout.write(buf)
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print(" done")
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fout.close()
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os.rename(fn_out_part, fn_out)
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else:
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raise Exception("Error reading file")
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_wait_for_string(ser, "nsh> \x1b[K", timeout)
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def _get_files_in_dir(ser, path, path_out, force, timeout):
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try:
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os.mkdir(path_out)
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except:
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pass
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for fn in _ls_dir(ser, path, timeout):
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path_fn = os.path.join(path, fn[0])
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path_fn_out = os.path.join(path_out, fn[0])
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if fn[2]:
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_get_files_in_dir(ser, path_fn[:-1], path_fn_out[:-1], force, timeout)
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else:
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_get_file(ser, path_fn, path_fn_out, force, timeout)
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def _usage():
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print("""Usage: python fetch_file.py [-l] [-f] [-d device] [-s speed] [-o out_path] path
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\t-l\tList files
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\t-f\tOverwrite existing files
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\t-d\tSerial device
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\t-s\tSerial baudrate
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\t-o\tOutput path
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\tpath\tPath to list/fetch, if ends with "/" then directory will be fetched recursively""")
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def _main():
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dev = "/dev/tty.usbmodem1"
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speed = "57600"
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cmd = "get"
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path = None
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path_out = None
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force = False
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opt = None
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for arg in sys.argv[1:]:
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if opt != None:
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if opt == "d":
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dev = arg
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elif opt == "s":
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speed = arg
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elif opt == "o":
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path_out = arg
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opt = None
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else:
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if arg == "-l":
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cmd = "ls"
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elif arg == "-f":
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force = True
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elif arg == "-d":
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opt = "d"
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elif arg == "-s":
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opt = "s"
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elif arg == "-o":
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opt = "o"
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elif path == None:
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path = arg
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if path == None:
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_usage()
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exit(0)
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# Connect to serial port
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ser = serial.Serial(dev, speed, timeout=0.2)
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timeout = 1.0
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try:
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if cmd == "ls":
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# List directory
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print(_ls_dir_raw(ser, path, timeout))
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elif cmd == "get":
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# Get file(s)
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if path.endswith("/"):
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# Get all files from directory recursively
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if path_out == None:
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path_out = os.path.split(path[:-1])[1]
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_get_files_in_dir(ser, path[:-1], path_out, force, timeout)
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else:
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# Get one file
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if path_out == None:
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path_out = os.path.split(path)[1]
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_get_file(ser, path, os.path.split(path)[1], force, timeout)
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except Exception as e:
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print(e)
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ser.close()
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if __name__ == "__main__":
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_main()
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