Add script for remote log downloading

tools/log.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+
+# Download flight log remotely and save to file
+
+import os
+import datetime
+from pyflix import Flix
+
+DIR = os.path.dirname(os.path.realpath(__file__))
+
+flix = Flix()
+
+print('Downloading log...')
+lines = flix.cli('log').splitlines()
+
+# sort by timestamp
+header = lines.pop(0)
+lines.sort(key=lambda line: float(line.split(',')[0]))
+
+log = open(f'{DIR}/log/{datetime.datetime.now().isoformat()}.csv', 'wb')
+content = header.encode() + b'\n' + b'\n'.join(line.encode() for line in lines)
+log.write(content)
+print(f'Written {os.path.relpath(log.name, os.curdir)}')

tools/pyflix/README.md

@@ -157,7 +157,7 @@ Now you can run `pyflix` scripts and QGroundControl simultaneously.
 The following scripts demonstrate how to use the library:
 
 * [`cli.py`](../cli.py) — remote access to the drone's command line interface.
-* `log.py` — download flight logs from the drone.
+* [`log.py`](../log.py) — download flight logs from the drone.
 * [`example.py`](../example.py) — a simple example, prints telemetry data and waits for events.
 
 ## Advanced usage