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datadots-api-0.2.4
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Datadots API
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | datadots-api-0.2.4 |
| نام | datadots-api |
| نسخه کتابخانه | 0.2.4 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Michael Hausenblas |
| ایمیل نویسنده | michael.hausenblas@gmail.com |
| آدرس صفحه اصلی | https://github.com/dotmesh-io/python-sdk |
| آدرس اینترنتی | https://pypi.org/project/datadots-api/ |
| مجوز | - |
# Datadots API for Python
[](https://pypi.org/project/datadots-api/) [](https://drone.app.cloud.dotscience.net/dotmesh-io/python-sdk)
**STATUS: What you currently see here is WIP, do not use in production!**
This is the Datadots API for Python, allowing you to access and manipulate dots against any Dotmesh cluster. Note that only Python 3 is supported.
- [Install](#install)
- [Use](#use)
- [Create a dot](#create-a-dot)
- [Create a dot in a namespace](#create-a-dot-in-a-namespace)
- [Look up a dot by name](#look-up-a-dot-by-name)
- [Commit to branch, show log](#commit-to-a-branch-and-show-the-log)
- [Create new branch based on latest master](#create-new-branch-based-on-latest-master)
- [End-to-end example](#end-to-end-example)
- [Test](#test)
- [Release](#release)
## Install
You must have Python 3 installed, this is the only version supported.
Then do:
```bash
$ pip3 install datadots-api==0.1.4
```
## Use
Some usage examples below.
### Create a dot
```python
from dotmesh.client import DotmeshClient
d = DotmeshClient(cluster_url=cluster_url, username=user, api_key=api_key)
dot = dmclient.createDot(dotname="test")
```
### Create a dot in a namespace
```python
from dotmesh.client import DotmeshClient
d = DotmeshClient(cluster_url=cluster_url, username=user, api_key=api_key)
dot = dmclient.createDot(dotname="test", ns="mynamespace")
```
### Look up a dot by name
```python
from dotmesh.client import DotmeshClient
d = DotmeshClient(cluster_url=cluster_url, username=user, api_key=api_key)
print(d.getDot(dotname="test"))
```
### Commit to a branch and show the log
```python
from dotmesh.client import DotmeshClient
d = DotmeshClient(cluster_url=cluster_url, username=user, api_key=api_key)
dot = dmclient.createDot(dotname="test")
branch = dot.getBranch("master")
branch.commit("just a test commit")
print(branch.log())
```
### Commit to a branch with some extra metadata
```python
from dotmesh.client import DotmeshClient
d = DotmeshClient(cluster_url=cluster_url, username=user, api_key=api_key)
dot = dmclient.createDot(dotname="test")
branch = dot.getBranch("master")
branch.commit("a commit with some extra metadata", {"fruit": "apples", "color": "red"})
print(branch.log())
```
### Create new branch based on latest master
```python
from dotmesh.client import DotmeshClient
d = DotmeshClient(cluster_url=cluster_url, username=user, api_key=api_key)
dot = dmclient.createDot(dotname="test")
branch = dot.getBranch("master")
branch.commit("just a test commit")
mybranch = branch.createBranch("mybranch", "master")
mybranch.commit("the first commit in my branch")
print(mybranch.log())
```
### End-to-end example
You can see this API in action, for a local setup with Docker running and after you've created a cluster using `dm cluster init`, by running the following [example](example.py):
```bash
$ DOTMESH_APIKEY=$(cat ~/.dotmesh/config | jq -r .Remotes.local.ApiKey)
$ DOTMESH_APIKEY=$DOTMESH_APIKEY python3 example.py
== Create dot:
--> {"jsonrpc": "2.0", "method": "DotmeshRPC.Create", "params": {"Namespace": "admin", "Name": "test"}, "id": 1}
<-- {"jsonrpc":"2.0","result":true,"id":1} (200 OK)
--> {"jsonrpc": "2.0", "method": "DotmeshRPC.Lookup", "params": {"Namespace": "admin", "Name": "test", "Branch": ""}, "id": 2}
<-- {"jsonrpc":"2.0","result":"32965cef-4310-4291-6f36-c86106655d10","id":2} (200 OK)
ID=32965cef-4310-4291-6f36-c86106655d10, name=test
== Get master branch:
--> {"jsonrpc": "2.0", "method": "DotmeshRPC.Lookup", "params": {"Namespace": "admin", "Name": "test", "Branch": ""}, "id": 3}
<-- {"jsonrpc":"2.0","result":"32965cef-4310-4291-6f36-c86106655d10","id":3} (200 OK)
master
== Do some commit and show log:
--> {"jsonrpc": "2.0", "method": "DotmeshRPC.Commit", "params": {"Namespace": "admin", "Name": "test", "Branch": "", "Message": "just a test commit"}, "id": 4}
<-- {"jsonrpc":"2.0","result":true,"id":4} (200 OK)
--> {"jsonrpc": "2.0", "method": "DotmeshRPC.Commit", "params": {"Namespace": "admin", "Name": "test", "Branch": "", "Message": "and another commit, who would have thought"}, "id": 5}
<-- {"jsonrpc":"2.0","result":true,"id":5} (200 OK)
--> {"jsonrpc": "2.0", "method": "DotmeshRPC.Commits", "params": {"Namespace": "admin", "Name": "test", "Branch": ""}, "id": 6}
<-- {"jsonrpc":"2.0","result":[{"Id":"1007db99-11cb-4bd7-747e-1d121bb9b11a","Metadata":{"author":"admin","message":"just a test commit","timestamp":"1521214312285694689"}},{"Id":"67bb6184-430b-46d7-4337-b858ee85eb1c","Metadata":{"author":"admin","message":"and another commit, who would have thought","timestamp":"1521214312418429042"}}],"id":6} (200 OK)
1521214312285694689: just a test commit
1521214312418429042: and another commit, who would have thought
== Create new branch, commit and show log:
--> {"jsonrpc": "2.0", "method": "DotmeshRPC.Commits", "params": {"Namespace": "admin", "Name": "test", "Branch": ""}, "id": 7}
<-- {"jsonrpc":"2.0","result":[{"Id":"1007db99-11cb-4bd7-747e-1d121bb9b11a","Metadata":{"author":"admin","message":"just a test commit","timestamp":"1521214312285694689"}},{"Id":"67bb6184-430b-46d7-4337-b858ee85eb1c","Metadata":{"author":"admin","message":"and another commit, who would have thought","timestamp":"1521214312418429042"}}],"id":7} (200 OK)
--> {"jsonrpc": "2.0", "method": "DotmeshRPC.Branch", "params": {"Namespace": "admin", "Name": "test", "SourceBranch": "master", "NewBranchName": "mybranch", "SourceCommitId": "67bb6184-430b-46d7-4337-b858ee85eb1c"}, "id": 8}
<-- {"jsonrpc":"2.0","result":true,"id":8} (200 OK)
--> {"jsonrpc": "2.0", "method": "DotmeshRPC.Commit", "params": {"Namespace": "admin", "Name": "test", "Branch": "mybranch", "Message": "the first commit in my branch"}, "id": 9}
<-- {"jsonrpc":"2.0","result":true,"id":9} (200 OK)
--> {"jsonrpc": "2.0", "method": "DotmeshRPC.Commits", "params": {"Namespace": "admin", "Name": "test", "Branch": "mybranch"}, "id": 10}
<-- {"jsonrpc":"2.0","result":[{"Id":"565b04ab-abae-476a-75bd-203bce2a56b2","Metadata":{"author":"admin","message":"the first commit in my branch","timestamp":"1521214312967840418"}}],"id":10} (200 OK)
1521214312967840418: the first commit in my branch
```
Note that the default behavior of the example above is to leave the dot in place, that is, if you do a `dm dot show test` you should see both the `master` branch and `mybranch` with the commits. If you want to automatically clean up, execute it as follows: `python3 example.py cleanup`:
```bash
$ dm list
Current remote: local (use 'dm remote -v' to list and 'dm remote switch' to switch)
DOT BRANCH SERVER CONTAINERS SIZE COMMITS DIRTY
* test master 995e5c821c38e7f5 1.00 kiB 1 -
$ dm dot show test
Dot admin/test:
Master branch ID: 7f4a4d67-5bc7-47aa-7829-31d5a02ff70f
Dot is current.
Dot size: 1.00 kiB (all clean)
Branches:
* master
mybranch
$ dm checkout mybranch && dm log
commit 565b04ab-abae-476a-75bd-203bce2a56b2
Author: admin
Date: 1521214312967840418
the first commit in my branch
```
## Test
Locally, you can test the Dotmesh JSON-RPC API like shown in the following. It assumes you've got [http](https://httpie.org/) installed (or alternatively you can use `curl`) as well as that Docker is running (note: tested on v18.03):
```bash
$ dm cluster init
$ DOTMESH_CLUSTERURL=http://localhost:6969/rpc
$ DOTMESH_APIKEY=$(cat ~/.dotmesh/config | jq -r .Remotes.local.ApiKey)
$ http -a admin:$DOTMESH_APIKEY POST $DOTMESH_CLUSTERURL < test/ping.json
HTTP/1.1 200 OK
Content-Length: 57
Content-Type: application/json; charset=utf-8
Date: Fri, 16 Mar 2018 07:06:44 GMT
X-Content-Type-Options: nosniff
{
"id": 6129484611666146000,
"jsonrpc": "2.0",
"result": true
}
```
## Release
To release this project to pypi, check the version (git tag and find the highest one, or check setup.py) then run `bump2version --new-version <new-version> <major|minor|patch> && git push --tags`
نحوه نصب
نصب پکیج whl datadots-api-0.2.4:
pip install datadots-api-0.2.4.whl
نصب پکیج tar.gz datadots-api-0.2.4:
pip install datadots-api-0.2.4.tar.gz