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arpa2.reservoir-0.2.0
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ARPA2 Reservoir -- object store with metadata in LDAP
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | arpa2.reservoir-0.2.0 |
| نام | arpa2.reservoir |
| نسخه کتابخانه | 0.2.0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Rick van Rein (for the ARPA2 Reservoir project) |
| ایمیل نویسنده | rick@openfortress.nl |
| آدرس صفحه اصلی | https://github.com/arpa2/reservoir |
| آدرس اینترنتی | https://pypi.org/project/arpa2.reservoir/ |
| مجوز | - |
# ARPA2 Reservoir: API
> *This is the central logic for manipulating the stored information
> of ARPA2 Reservoir. It manipulates metadata in LDAP as well as the
> files that hold the litaral objects.*
Reservoir is an object store with maximum exposure over standard
protocols. It stores metadata in LDAP, which may be searched from
the outside. The actual data is stored in a hierarchy of a given,
simple structure. This API controls both.
To access the API, import its package:
```
from arpa2 import reservoir
```
This only includes the API. You will separately have to add support
from other tools if you need it. Some tools are in fact commandline
utilities that get installed through their `entry_point` as additional
commands for the OS.
## Layers on Top of this API
On top of this API, there are a few other packages:
**Work completed:**
* `reservoir.rmt` solutions may use the Reservoir like a remote tape for
backup. It may implement the `rmt(1)` command set for anyone who
arrives over a secure shell connection. We followed the "modern"
[protocol version 1]()http://schilytools.sourceforge.net/man/man1/rmt.1.html
for safety reasons, and will reject attempts of `erase` and `weof`
commands from older clients (such as GNU mt), simply because they
might be accidentally triggered by these older clients due to the
exchange of non-portable command codes. They didn't realise this
to be a problem back in 1981.
**Work in progress:**
* `arpa2reservoir` is a commandline shell over which administrators
can perform the actions offered by the API. It also has an automation
interface centered around JSON messages.
* `wsgidav` is a WebDAV implementation with a backend plugin for the
Reservoir. It digs up metadata in LDAP and serves the results over a
common WebDAV interface. Even though LDAP would be more efficient to use,
there are many ways of making a WebDAV repository available as a virtual
drive or directory on a client machine.
* `reservoir.sftp` can be a plugin to OpenSSH2 that serves the SFTP protocol,
but in reality interacts with the Reservoir instead of (just) local files.
**Further options** for which your help could make all the difference:
* `reservoir.amqp` servers will send and receive from queues in the
Reservoir, by connecting to other domains with AMQP 1.0, performing
mutual authentication and then passing objects with as much metadata
as the protocol can carry.
* `reservoir.lmtp` servers may receive information for Reservoir from a
variety of sources, including but not limited to a domain's mail server.
* `reservoir.volume` may be a service to provide images for a large
variety of purposes; these may include disk images for virtual machines,
CD-ROM images for OS installation, TFTP images of operating systems and
their initial disks, and so on. Note that Reservoir can store hashes
of content in the metadata.
* `reservoir.cid` could perform lookups based on `Content-ID`, the header
defined in [RFC 2392](https://tools.ietf.org/html/rfc2392) and
commonly used to identify email attachments. All this needs is an
apphint for this use under a user or domain or other. A much nicer
way to exchange "attachments", and much easier to secure as well.
## Functionalities
The Python documentation will help you get going, but this is a quick start.
There are a few classes of interest:
* `Resource` is like a file; it represents a stored object, including its metadata.
* `Index` is like a current working directory; it can progress to other indexes, as well as list or obtain resources held in them.
* The domain (or a user under a domain) has what is called a home index; this works a little differently; the first step is to provide a hinted application name that may have its own Index setup; if not, a default/unnamed Index that serves as a fallback is used instead.
An Index points to a Collection of Resources. You can access a name in the index to move to another such Collection. New Collections may be added with a name, existing ones may be aliased to a name, and this is how Indexes grow and expand.
Finally, Collections have Resources added to them. Indexes that are home indexes for (a user under) a domain are not Collections, and they cannot have Resources underneath them. This can be remedied simply with an application hint.
نیازمندی
| مقدار | نام |
|---|---|
| - | arpa2.shell |
| - | python-ldap |
| - | gssapi |
| - | six |
| - | enum34 |
نحوه نصب
نصب پکیج whl arpa2.reservoir-0.2.0:
pip install arpa2.reservoir-0.2.0.whl
نصب پکیج tar.gz arpa2.reservoir-0.2.0:
pip install arpa2.reservoir-0.2.0.tar.gz