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A python wrapper for the Dialpad REST API

Project description

Python Dialpad API Client

A python wrapper around the Dialpad REST API

This document describes the installation, usage, and development practices of this python library. For information about the API itself, head on over to our API Documentation page!

Installation

Just use everyone's favourite python package installer: pip

pip install python-dialpad

Usage

The Short Version

TL;DR, this library provides a DialpadClient class, which can be instantiated with an API token and a dialpad URL.

Once a DialpadClient object has been constructed, it can be used to call our API endpoints:

from dialpad import DialpadClient

dp_client = DialpadClient(sandbox=True, token='API_TOKEN_HERE')

print dp_client.user.get(user_id='1234567')

Client Constructor Arguments

  • token (required) The API token that will be used to authenticate API requests.
  • sandbox (optional) If the sandbox argument is set to True, then API calls will be routed to https://sandbox.dialpad.com.
  • base_url (optional) Routes requests to a specific url.

API Resources

In general, each resource that we support in our public API will be exposed as properties of the client object. For example, the User resource can be accessed using the user property (as demonstrated above).

Each of these resource properties will expose related HTTP methods as methods of that resource property.

For example, GET /api/v2/users/{id} translates to dp_client.user.get('the_user_id').

API Responses

In cases where our API responds with a single JSON object, the client method will return a Python dict (as demonstrated above)

In cases where our API responds with a paginated list of many JSON objects, the client method will return an iterator which will lazily request the next page as the iterator is iterated upon.

from dialpad import DialpadClient

dp_client = DialpadClient(sandbox=True, token='API_TOKEN_HERE')

for user in dp_client.user.list():
  print user

Development

Testing

That's right, the testing section is first in line! Before you start diving in, let's just make sure your environment is set up properly, and that the tests are running buttery-smooth.

Assuming you've already cloned the repository, all you'll need to do is install pipenv, and use it to install the dev packages:

pip install pipenv
pipenv install --dev

That was easy :)

Now you can give the tests a whirl:

pipenv run pytest

Neato!

Adding New Resources

Most of the changes to this library will probably just be adding support for additional resources and endpoints that we expose in the API, so let's start with how to add a new resource.

Each resource exposed by this library should have its own python file under the dialpad/resources directory, and should define a single class that inherits from DialpadResource.

The class itself should set the _resource_path class property to a list of strings such that '/api/v2/' + _resource_path.join('/') corresponds to the API path for that resource.

Once the _resource_path is defined, the resource class can define instance methods to expose functionality related to the resource that it represents, and can use the self.request helper method to make authenticated requests to API paths under the _resource_path. For example, if _resource_path is set to ['users'], then calling self.request(method='POST') would make a POST request to /api/v2/users. (A more precise description of the request method is given in the following section)

With that in mind, most methods that the developer chooses to add to a resource class will probably just be a very thin method that passes the appropriate arguments into self.request, and returns the result.

The request Helper Method

self.request is a helper method that handles the details of authentication, response parsing, and pagination, such that the caller only needs to specify the API path, HTTP method, and request data. The method arguments are as follows:

  • path (optional) Any additional path elements that should be added after the _resource_path
  • method (optional, default: 'GET') The HTTP method
  • data (optional) A python dict defining either the query params or the JSON payload, depending on which HTTP method is specified
  • headers (optional) Any additional headers that should be included in the request (the API key is automatically included)

If the request succeeds, then self.request will either return a python dict, or an iterator of python dicts, depending on whether the server responds with a pagenated response. Pagenated responses will be detected automatically, so the caller does not need to worry about it.

If the request fails, then a requests.HTTPError exception will be raised, and it'll be up to the consumer of this library to deal with it 😎

The resources/__init__.py File

When a new file is added to the resources directory, a new import statement should also be added to __init__.py to expose the newly defined resource class as a direct property of the resources module.

DialpadClient Resource Properties

In addition to adding the new class to the __init__.py file, the new resource class should also be added as a cached property of the DialpadClient class.

Recap

To add a new resource to this client library, simply:

  • Create a new file under the resources directory
  • Define a new subclass of DialpadResource within said file
  • Expose methods related to that resource as methods on your new class
  • Add a new import statement in resources/__init__.py
  • Add a new property to the DialpadClient class

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