Python interface to Dundas rest api.
Manage sessions for Dundas.
Dundas has a very complete REST API.
With completeness comes complexity, and this module will help you use the query in an easier way.
Why this module is useful
It currently does 3 things for you.
If you use
dundas.Session within a context manager,
the context manager wil log you in and out automagically, no matter what happens. You can
use the session object as a normal object as well as long as you do not forget to log in and out
Each and every call to the API needs to have the same
sessionId parameter. This module creates
shortcuts for you for
delete, to make your life easier. You do not need
to repeat the host, api path prefix or sessionId every single time.
Some API calls are ported and might have helper methods. I am updating the module based on what I need and use, so I do not expect to have everything ported on my own.
Simply with pip, from pypi:
python3 -m pip install pydundas
or, assuming you do not have permission to store the module globally:
python3 -m pip install --user pydundas
The module should be able to work with python2 as well, but it is untested and as python2 will be end of life'd in a few months anyway I did not look into it.
You can see all the examples in one directory.
All the examples below assume a
Happy flow with context manager
with Session(user=user, pwd=pwd, url=url) as d: print(d.get('Server').text)
When the variable
d comes out of scope, so outside the
with statement, you will be
automagically logged out.
Read credentials from a yaml file
If you have a yaml file with a
url key, then you can read it from pydundas:
user: arya pwd: 'valar morghulis' url: winterfell.got
from pydundas import creds_from_yaml creds=creds_from_yaml('credentials.yaml') with Session(**creds) as d: print(d.get('Server').text)
Exception within the context manager are properly handled
with Session(user=user, pwd=pwd, url=url) as d: d.get('you/know/nothing')
404 Client Error: Not Found for url: https://winterfell.got/api/you/know/nothing?sessionId=fbeb7897-5981-412b-a981-7783f88894bd
Most constants can be used via their human-readable name.
from pydundas import Api, Session, creds_from_yaml with Session(**creds_from_yaml('credentials.yaml')) as d: a=Api(d) c = a.constant() # returns ['STANDARD_EXCEL_EXPORT_PROVIDER_ID'] print(c.getNamesById('679e6337-48aa-4aa3-ad3d-db30ce943dc9')) # returns '679e6337-48aa-4aa3-ad3d-db30ce943dc9' print(c.getIdByName('STANDARD_EXCEL_EXPORT_PROVIDER_ID'))
You can warehouse a cube, and get some information about it:
with Session(**creds) as d: api = Api(d) capi = api.cube() cube = capi.getByPath('Awesome Project', '/relevant/path') cube = capi.getByPath('DP', '/CustomReports/2daysent/1mailing sendouts') if cube is None: print("Gotcha, no cube named like that.") sys.exit(1) print(cube.json()) print(cube.is_checked_out()) cube.warehouse() print(cube.isWarehousing()) cube.waitForWarehousingCompletion()
You can run all checks, and fix the failing one:
with Session(**creds, loglevel='warn') as d: api = Api(d) hapi = api.health() failings = hapi.check(allchecks=True) print(failings) for f in failings: hapi.check([f], fix=True)
You can get a notification by its name and then run it.
napi = api.notification() notif = napi.getExactName(name='Awesome notification') if len(notif) != 1: print("None or more than one notification with this name.") sys.exit(1) napi.run(notif['id'])
For example, to find the ID of a project:
from pydundas import Api, Session, creds_from_yaml with Session(**creds_from_yaml('credentials.yaml')) as d: api=Api(d) project = a.project() print(project.getProjectIdByName('DP'))
You can either use
virtualenv. Most relevant commands are in the Makefile.
First edit the first line of the makefile to choose if you want to use conda or virtualenv.
# Build an environment with all dependencies make devinit # Tests make pep8 make unittest # Build a package make package # Clean up everything make purge
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