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a command line interface for Amazon Cloud Drive

Project description

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acd_cli

acd_cli provides a command line interface to Amazon Cloud Drive and allows mounting your cloud drive using FUSE for read access. It is currently in beta stage.

Features

  • local node caching
  • addressing of remote nodes via a pathname (e.g. /Photos/kitten.jpg)
  • simultaneous uploads/downloads, retry on error
  • basic plugin support

File operations

  • tree or flat listing of files and folders
  • upload/download of single files and directories
  • folder creation
  • trashing/restoring
  • moving/renaming nodes

Quick start

Installation

The easiest way is to directly install from github. Please check which pip command is appropriate for Python 3 packages in your environment. I will be using ‘pip3’ in the examples.

pip3 install --upgrade git+https://github.com/yadayada/acd_cli.git

To install from a downloaded or cloned directory, run pip in the project’s root directory like so:

pip3 install --upgrade .

If you do not want to install, have a look at the necessary dependencies.

First Run

On the first start of the program (try acd_cli sync), you will have to complete the OAuth procedure. A browser tab will open and you will be asked to log in or grant access for ‘acd_cli_oa’. Signing in or clicking on ‘Continue’ will download a JSON file named oauth_data, which must be placed in the cache directory displayed on screen (e.g. /home/<USER>/.cache/acd_cli).

You may view the source code of the Appspot app that is used to handle the server part of the OAuth procedure at https://tensile-runway-92512.appspot.com/src.

Advanced Users

Alternatively, you may put your own security profile data in a file called client_data in the cache directory. It needs to be created prior to starting the program and adhere to the following form.

{
    "CLIENT_ID": "",
    "CLIENT_SECRET": ""
}

Your security profile must be able to redirect to http://localhost. The procedure is similar to the above, the difference is that you will be asked to paste the redirect URL into your shell.

Usage

Most actions need the node cache to be initialized and up-to-date, so please run a sync. A sync will fetch the changes since the last sync or the full node list if the cache is empty.

The following actions are built in

sync (s)            refresh node list cache; necessary for many actions
clear-cache (cc)    clear node cache [offline operation]

tree (t)            print directory tree [offline operation]
children (ls)       list a folder's children [offline operation]
find (f)            find nodes by name [offline operation]
find-md5 (fm)       find files by MD5 hash [offline operation]

upload (ul)         file and directory upload to a remote destination
overwrite (ov)      overwrite file A [remote] with content of file B [local]
download (dl)       download a remote folder or file; will skip existing local files

create (c, mkdir)   create folder using an absolute path

list-trash (lt)     list trashed nodes [offline operation]
trash (rm)          move node to trash
restore (re)        restore node from trash

move (mv)           move node A into folder B
rename (rn)         rename a node

resolve (rs)        resolve a path to a node ID

usage (u)           show drive usage data
quota (q)           show drive quota [raw JSON]
metadata (m)        print a node's metadata [raw JSON]

mount               mount the cloud drive at a local directory

Please run acd_cli --help to get a current list of the available actions. You may also get a list of further arguments and their order of an action by calling acd_cli [action] --help.

You may provide most node arguments as a 22 character ID or a UNIX-style path. Trashed nodes’ paths might not be able to be resolved correctly; use their ID instead.

The number of concurrent transfers can be specified using the argument -x [no].

When uploading/downloading large amounts of files, it is advisable to save the log messages to a file. This can be done by using the verbose argument and appending 2> >(tee acd.log >&2) to the command.

Files can be excluded via optional parameter by file ending, e.g. -xe bak, or regular expression on the whole file name, e.g. -xr "^thumbs\.db$". Both exclusion methods are case insensitive.

Exit status

When the script is done running, its exit status can be checked for flags. If no error occurs, the exit status will be 0. Possible flag values are:

flag value
argument error 2
failed file transfer 8
upload timeout 16
hash mismatch 32
error creating folder 64
file size mismatch 128
cache outdated 256
duplicate 512

If multiple errors occur, their values will be compounded by a binary OR operation.

Mounting

First, create an empty mount directory, then run acd_cli mount path/to/mountpoint. To unmount later, run fusermount -u path/to/mountpoint.

Feature Working
Basic operations
List directory
Reade
Write
Rename
Move
Trashing [1]
OS-level trashing partially [2]
View trash
Misc
Automatic sync
Hard links partially [3]
Symbolic links
[1]equivalent to a filesystem level permanent delete
[2]restoration info cannot be written, manual restoring should work
[3]manually created hard links will be listed

Usage example

In this example, a two-level folder hierarchy is created in an empty cloud drive. Then, a relative local path local/spam is uploaded recursively using two connections.

$ acd_cli sync
  Syncing...
  Done.

$ acd_cli ls /
  [PHwiEv53QOKoGFGqYNl8pw] [A] /

$ acd_cli mkdir /egg/
$ acd_cli mkdir /egg/bacon/

$ acd_cli upload -x 2 local/spam/ /egg/bacon/
  [################################]   100.0% of  100MiB  12/12  654.4KB/s

$ acd_cli tree
  /
      egg/
          bacon/
              spam/
                  sausage
                  spam
  [...]

The standard node listing format includes the node ID, the first letter of its status and its full path. Possible statuses are “AVAILABLE” and “TRASH”.

Uninstalling

Please run acd_cli delete-everything first to delete your authentication and node data in the cache path. Then, use pip to uninstall:

pip3 uninstall acdcli

Then, revoke the permission for acd_cli_oa to access your cloud drive in your Amazon profile, more precisely at https://www.amazon.com/ap/adam.

Known Issues

API Restrictions

  • uploads of large files >10 GiB may be successful, yet a timeout error is displayed (please check manually)
  • the maximum (upload) file size seems to be in the range of 40 and 100 GiB
  • storage of node names is case-preserving, but not case-sensitive (this concerns Linux users mainly)
  • it is not possible to share or delete files

Contribute

Feel free to use the bug tracker to add issues. You might find the --verbose and, to a lesser extent, --debug options helpful.

If you want to contribute code, have a look at Github’s general guide how to do that. There is also a TODO list.

You might also want to consider making a donation to further the development of acd_cli.

Dependencies

Python packages

  • appdirs
  • dateutils (recommended)
  • requests >= 2.1.0
  • requests-toolbelt (recommended)
  • sqlalchemy

Recommended packages are not strictly necessary; but they will be preferred to workarounds (in the case of dateutils) and bundled modules (requests-toolbelt).

If you want to the dependencies using your distribution’s packaging system and are using a distro based on Debian ‘jessie’, the necessary packages are python3-appdirs python3-dateutil python3-requests python3-sqlalchemy.

FUSE

For the mounting feature, fuse >= 2.6 is needed according to pyfuse. On a Debian-based distribution, the according package should simply be named ‘fuse’.

Recent Changes

0.3.0

  • FUSE read support added

0.2.2

  • sync speed-up
  • node listing format changed
  • optional node listing coloring added (for Linux or via LS_COLORS)
  • re-added possibility for local OAuth

0.2.1

  • curl dependency removed
  • added job queue, simultaneous transfers
  • retry on error

0.2.0

  • setuptools support
  • workaround for download of files larger than 10 GiB
  • automatic resuming of downloads

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