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Tools for syncing files with the Toshiba FlashAir wireless SD card

Project description

# tfatool

This package provides easy access to
Toshiba's FlashAir wireless SD card. As a library, this project provides
a simple abstraction of the FlashAir API. As a set of scripts, `tfatool`
gives the user a way of synchronizing files and configuring the device
from the command line. Monitoring FlashAir for new files and syncing
them with a local directory is an easy one-liner:
`flashair-util -s -d /home/tad/Photos`!

<img align="right" src="_docs/flashair.jpg">

Features include:

* `flashair-util`: a command line tool for syncing, copying, listing files on FlashAir
* `flashair-config`: a command line tool for configuring FlashAir
* `tfatool.command`: abstraction of FlashAir's [command.cgi](https://flashair-developers.com/en/documents/api/commandcgi/)
* `tfatool.config`: abstraction of FlashAir's [config.cgi](https://flashair-developers.com/en/documents/api/configcgi/)
* `tfatool.sync`: functions to facilitate copying/syncing files from FlashAir

Read the [FlashAir documentation](https://flashair-developers.com/en/documents/api/)
for more information about the API `tfatool` takes advantage of.

# Usage
## Using the `flashair-util` script
### Help menu
```
$ flashair-util -h
usage: flashair-util [-h] [-l] [-c] [-s] [-S {time,name,all}]
[-r REMOTE_DIR] [-d LOCAL_DIR] [-j] [-k MATCH_REGEX]
[-n N_FILES]

optional arguments:
-h, --help show this help message and exit

Actions:
-l, --list-files
-c, --count-files
-s, --sync-forever watch for new files in REMOTE_DIR, copy them to
LOCAL_DIR (runs until CTRL-C)
-S {time,name,all}, --sync-once {time,name,all}
move files (all or by most recent name/timestamp) from
REMOTE_DIR to LOCAL_DIR, then quit

Setup:
-r REMOTE_DIR, --remote-dir REMOTE_DIR
FlashAir directory to work with (default:
/DCIM/100__TSB
-d LOCAL_DIR, --local-dir LOCAL_DIR
local directory to work with (default: current working
dir)
-j, --only-jpg only work with JPEG files
-k MATCH_REGEX, --match-regex MATCH_REGEX
filter for files that match the given pattern
-n N_FILES, --n-files N_FILES
Number of files to move in --sync-once mode
```

### Example 1: sync newly created files on FlashAir card
Watch for new files on the FlashAir SD card. When new files are found,
write them to a specified local directory.

```
$ flashair-util -s -d path/to/files --only-jpg
2016-01-22 21:29:12,336 | INFO | __main__ | Syncing files from /DCIM/100__TSB to path/to/files
2016-01-22 21:28:44,035 | INFO | __main__ | Creating directory 'path/to/files'
2016-01-22 21:29:12,337 | INFO | __main__ | Waiting for newly arrived files...
2016-01-22 21:29:27,412 | INFO | tfatool.sync | Ready to sync new files (39 existing files ignored)
```

Some time later, a new photo appears in the default remote directory.

```
2016-01-22 21:30:05,770 | INFO | tfatool.sync | Files to sync:
IMG_0802.JPG
2016-01-22 21:30:05,770 | INFO | tfatool.sync | Copying remote file IMG_0802.JPG to stuff/IMG_0802.JPG
2016-01-22 21:30:05,771 | INFO | tfatool.sync | Requesting file: http://flashair/DCIM/100__TSB/IMG_0802.JPG
2016-01-22 21:30:05,866 | INFO | tfatool.sync | Wrote IMG_0802.JPG in 1.00 s (4.31 MB, 4.31 MB/s)
```

### Example 2: sync subset of files on FlashAir *just once*

Sync JPEG files that start with *IMG_08* with the local `stuff/` directory.
Notice that files which already exist in `stuff/` are not overwritten.

```
flashair-util -j -k "IMG_08.+" -S all -d stuff/
2016-01-22 22:29:02,228 | INFO | __main__ | Syncing files from /DCIM/100__TSB to stuff/
2016-01-22 22:29:02,229 | INFO | __main__ | Retreiving ALL matched files
2016-01-22 22:29:02,330 | INFO | tfatool.sync | File 'stuff/IMG_0800.JPG' already exists; not syncing from SD card
2016-01-22 22:29:02,331 | INFO | tfatool.sync | Copying remote file IMG_0801.JPG to stuff/IMG_0801.JPG
2016-01-22 22:29:02,331 | INFO | tfatool.sync | Requesting file: http://flashair/DCIM/100__TSB/IMG_0801.JPG
2016-01-22 22:29:17,831 | INFO | tfatool.sync | Wrote IMG_0801.JPG in 9.40 s (4.31 MB, 0.46 MB/s)
2016-01-22 22:29:17,833 | INFO | tfatool.sync | File 'stuff/IMG_0802.JPG' already exists; not syncing from SD card
2016-01-22 22:29:17,833 | INFO | tfatool.sync | Copying remote file IMG_0803.JPG to stuff/IMG_0803.JPG
2016-01-22 22:29:17,834 | INFO | tfatool.sync | Requesting file: http://flashair/DCIM/100__TSB/IMG_0803.JPG
2016-01-22 22:29:30,855 | INFO | tfatool.sync | Wrote IMG_0803.JPG in 10.07 s (4.55 MB, 0.45 MB/s)
```

Other simple `--sync-once` examples include:

* Just grab the most recent JPEG: `flashair-util -S time -n 1`
* Sync most recent 5 files by timestamp: `flashair-util -S time --n-files 5`
* Of all files that end in `08.JPG`, sync the 10
greatest filenames: `flashair-util -S name --n-files 10 -k '.+08\.JPG'`


### Example 3: list all JPEG files on FlashAir
```
$ flashair-util --list-files --only-jpg

Files in /DCIM/100__TSB
=======================
FA000001.JPG
IMG_0152.JPG
IMG_0153.JPG
...
IMG_0325.JPG
(179 files)
```

`flashair-util -l -j` and `flashair-util -l -k '.+\.JPG'` are equivalent.

## Using the `flashair-config` script
### Help menu
```
flashair-config -h
usage: flashair-config [-h] [-m MASTERCODE] [-v] [-t WIFI_TIMEOUT]
[-w {access_point,station,passthrough}] [-W]
[-k WIFI_KEY] [-K PASSTHROUGH_KEY] [-s WIFI_SSID]
[-S PASSTHROUGH_SSID] [--app-info APP_INFO]
[--bootscreen-path BOOTSCREEN_PATH] [-M]
[--timezone TIMEZONE] [-d {disable,enable,upload}]

optional arguments:
-h, --help show this help message and exit
-m MASTERCODE, --mastercode MASTERCODE
12-digit hex mastercode to enable configuration of the
FlashAir device
-v, --verbose

WiFi settings:
-t WIFI_TIMEOUT, --wifi-timeout WIFI_TIMEOUT
set WiFi timeout of device
-w {access_point,station,passthrough}, --wifi-mode {access_point,station,passthrough}
set WiFi mode of device
-W, --wifi-mode-on-boot
set the WiFi mode on next boot, not immediately
-k WIFI_KEY, --wifi-key WIFI_KEY
set WiFi security key
-K PASSTHROUGH_KEY, --passthrough-key PASSTHROUGH_KEY
set internet passthrough security key
-s WIFI_SSID, --wifi-ssid WIFI_SSID
set WiFi SSID
-S PASSTHROUGH_SSID, --passthrough-ssid PASSTHROUGH_SSID
set internet passthrough SSID

Misc settings:
--app-info APP_INFO set application-specific info
--bootscreen-path BOOTSCREEN_PATH
set path to boot screen image
-M, --clear-mastercode
--timezone TIMEZONE set timezone in hours offset (e.g. -8)
-d {disable,enable,upload}, --drive-mode {disable,enable,upload}
set WebDAV drive mode
```

### Sample configurations of FlashAir

Set the FlashAir WiFi network's SSID and password.

```flashair-config -k supersecretekey -s myflashairnetwork```

Prepare for Internet passthrough mode. This sets the LAN SSID, password, and
the FlashAir WiFi mode. If this is successful, the device will pass through
Internet access to all connected clients.

```flashair-config -K supersecretekey -S coffeeshopssid -w passthrough```

Set the WiFi mode *on boot* instead of immediately with the *-W* flag:

```flashair-config -w station -W```


## Using the `tfatool` Python library
### Example 1: using FlashAir's command.cgi

```python
from tfatool import command

# get files in a FlashAir directory as a list of namedtuples
# each namedtuple has six attributes: directory, filename, time, date, etc
flashair_files = command.list_files() # list files in /DCIM/100__TSB by default
special_files = command.list_files(DIR="/DCIM/my_special_folder")

# get an integer count of files in a certain dir
n_flashair_files = command.count_files(DIR="/DCIM") # count in specific directory


# file list fn takes optional filters
# here we cull any RAW files (.raw or .cr2) and files of a certain name
# you can combine any number of filters
filter_raw = lambda f: not f.filename.lower().endswith(".raw", ".cr2")
filter_name = lambda f: f.filename.lower()startswith("IMG_08")
filter_date = lambda f: f.date > 33002 # look at FlashAir docs for date encoding
certain_files = command.list_files(filter_raw, filter_name, filter_date)

for f in certain_files:
print("{:s}: {:0.2f} MB".format(f.filename, f.size / 10**6))
```

### Example 2: using file synchronization functions

```python
from tfatool import sync

# Sync files as a one-off action
# here we sync the most recent files sorted by (file.date, file.time)
sync.by_time(count=10) # places most recent files in CWD by default
sync.by_time(count=15, dest="/home/tad/Pictures")

# Sync specific files selected from files list
from tfatool import command
all_files = command.list_files()
only_camille_photos = [f for f in all_files if "camille" in f.filename.lower()]
sync.by_files(only_camille_photos, dest="/home/tad/Pictures/camille")
```

### Example 3: watching for newly created files

The `tfatool.sync.by_new_arrivals()` function watches your FlashAir device
for new files. When new files are found, they're copied to the local directory
specified by the `dest` argument (current working directory by default).

```python
from tfatool import sync

# Monitor FlashAir for new files, sync them with a local directory
# This will run forever
sync.by_new_arrivals(dest="/home/tad/Pictures/new")

# Sync only .raw image files that are smaller than 3 MB
# This will run forever
is_raw = lambda f: f.filename.lower().endswith(".raw", ".cr2")
is_small = lambda f: f.size < 3e6
sync.by_new_arrivals(is_raw, is_small, dest="/home/tad/Pictures/raw")
```

### Example 4: sending config changes via a POST to *config.cgi*

```python
from tratool.config import config, Param, post

params = {
Param.app_info: "special application info",
Param.wifi_timeout: 3600, # one-hour WiFi timeout
Param.wifi_ssid: "SUPER FUN PHOTO ZONE",
Param.timezone: -11, # somewhere in the USA, for example
}

# This will raise an assertion error if any parameters are invalid
# or out of range (for example if the WiFi timeout is < 60 seconds)
prepped_params = config(params)

# Prompt reconfiguration of the device via an HTTP POST to config.cgi
response = post(prepped_params)
if response.status_code == 200:
print("FlashAir reconfiguration successful")
else:
print("Error: {}".format(response.status_code))
```

# Installation
Requires `requests`, `tqdm`, and `python3.4+`. Install with `pip3 install tfatool`.

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