Python SDK for Splitwise
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README.md

Splitwise Python SDK

This is the python sdk for Splitwise APIs. At this point only GET requests and a single POST request createExpense is supported. Pull requests and bug reports are welcomed.

Latest Version

The latest version of splitwise SDK is Splitwise-1.1.0

Installation

Install using pip :

$ pip install splitwise

Register your application

Register your application on splitwise and get your consumer key and consumer secret.

Include splitwise in your application

from splitwise import Splitwise

Get splitwise instance

To get an instance to splitwise just provide the consumer key and secret.

sObj = Splitwise("<consumer key>","<consumer secret>")

Debug

To get the debug logs use

Splitwise.setDebug(True)

Usage

Authorize splitwise

Before you can make call to splitwise, you need to get access token of the user on whose behalf you will be making call. Think of it as login with splitwise. Its based on OAuth2 and its a 2 step process.

  1. Get the Authorize URL and Secret. Redirect the user to the Authorize url and store the secret in somewhere for eg in session.

    sObj = Splitwise("<consumer key>","<consumer secret>")
    url, secret = sObj.getAuthorizeURL()
    #Store secret so you can retrieve it later
    #redirect user to url
  2. After authorization splitwise will redirect the user back to the callback url that you provided during registration. It will also provide oauth_token and oauth_verifier that can be used along with secret from step 1 to get access token. The below snippet is from Flask application to extract parameters and then using SDK to get access token. This access token can be stored in your db to make calls on his/her behalf.

    oauth_token    = request.args.get('oauth_token')
    oauth_verifier = request.args.get('oauth_verifier')
    
    sObj = Splitwise(Config.consumer_key,Config.consumer_secret)
    access_token = sObj.getAccessToken(oauth_token,session['secret'],oauth_verifier)
    
    session['access_token'] = access_token

Get data from splitwise

Once you have the access token you can make the calls to splitwise. Get the splitwise instance and set the access token and then make authorized calls.

sObj = Splitwise(Config.consumer_key,Config.consumer_secret)
sObj.setAccessToken(session['access_token'])
sObj.getFriends()

Get Current User

You can use getCurrentUser() to get the current user. It returns a CurrentUser object.

sObj = Splitwise(Config.consumer_key,Config.consumer_secret)
sObj.setAccessToken(session['access_token'])
sObj.getCurrentUser()

Get User

You can use getUser(id) to get the user. It returns a User object.

sObj = Splitwise(Config.consumer_key,Config.consumer_secret)
sObj.setAccessToken(session['access_token'])
id = 7123
user = sObj.getUser(id)

Get Friends

You can use getFriends() to get all the friends of the current user along with the balances. It returns a list of Friend objects.

sObj = Splitwise(Config.consumer_key,Config.consumer_secret)
sObj.setAccessToken(session['access_token'])
sObj.getFriends()

Get Groups

You can use getGroups() to get all the groups of the current user along with the members and balances. It returns a list of Group objects.

sObj = Splitwise(Config.consumer_key,Config.consumer_secret)
sObj.setAccessToken(session['access_token'])
sObj.getGroups()

Get Currencies

You can use getCurrencies() to get all the currencies supported by splitwise. It returns a list of Currency objects.

sObj = Splitwise(Config.consumer_key,Config.consumer_secret)
sObj.setAccessToken(session['access_token'])
sObj.getCurrencies()

Get Category

You can use getCategories() to get all the categories and sub categories provided by splitwise. It returns a list of Category objects.

sObj = Splitwise(Config.consumer_key,Config.consumer_secret)
sObj.setAccessToken(session['access_token'])
sObj.getCategories()

Get Group

You can use getGroup(id) to get the particular group of the current user along with the members and balances. It returns a Group object. Use id as 0 to get all non group expenses.

sObj = Splitwise(Config.consumer_key,Config.consumer_secret)
sObj.setAccessToken(session['access_token'])
sObj.getGroup(43233)

Get Expenses

You can use getExpenses(offset,limit,group_id,friendship_id,dated_after,dated_before,updated_after,updated_before) to get all the expenses of the current user based on filter options. It returns a list of Expense objects.

sObj = Splitwise(Config.consumer_key,Config.consumer_secret)
sObj.setAccessToken(session['access_token'])
sObj.getExpenses()

Get Expense

You can use getExpense(id) to get the particular expense of the current user. It returns a Expense object.

sObj = Splitwise(Config.consumer_key,Config.consumer_secret)
sObj.setAccessToken(session['access_token'])
sObj.getExpense(43233)

Create Expense

You can use createExpense(Expense) to create a new Expense. It takes in parameter a partial Expense object and returns an Expense object.

Following things need to be set on the Expense object.

  1. Cost
  2. Description
  3. Users - Should be a list of ExpenseUser with id and paidShare and owedShare set.
from splitwise.expense import Expense
from splitwise.user import ExpenseUser

sObj = Splitwise(Config.consumer_key,Config.consumer_secret)
sObj.setAccessToken(session['access_token'])

expense = Expense()
expense.setCost('10')
expense.setDescription("Testing")

user1 = ExpenseUser()
user1.setId(79774)
user1.setPaidShare('10.00')
user1.setOwedShare('2.0')

user2 = ExpenseUser()
user2.setId(281236)
user2.setPaidShare('0.00')
user2.setOwedShare('8.00')

users = []
users.append(user1)
users.append(user2)

expense.setUsers(users)

expense = sObj.createExpense(expense)
print expense.getId()

Create Group

You can use createGroup(Group) to create a new Group. It takes in parameter a partial Group object and returns an Group object.

Following things need to be set on the Group object.

  1. Name
  2. Users - Should be a list of User with either FirstName, LastName and Email or just Id set.
from splitwise.group import Group
from splitwise.user import User

sObj = Splitwise(Config.consumer_key,Config.consumer_secret)
sObj.setAccessToken(session['access_token'])

group = Group()
group.setName("Testing")

user1 = User()
user1.setId(79774)

user2 = User()
user2.setId(281236)

users = []
users.append(user1)
users.append(user2)

group.setMembers(users)

group = sObj.createGroup(group)
print group.getId()

Objects

User

Methods:

  1. getId() - Returns the id of the user
  2. getFirstName() - Returns the first name of user
  3. getLastName() - Returns the last name of user
  4. getEmail() - Returns the email of the user
  5. getRegistrationStatus() - Returns the registraion status of the user
  6. getPicture() - Returns a Picture object containing picture details

CurrentUser

Current user is inherited from User. All the methods of user are available for current user.

Methods:

  1. getDefaultCurrency() - Returns the default currency
  2. getLocale() - Returns the locale
  3. getDateFormat() - Returns the date format
  4. getDefaultGroupId() - Returns the default group id of user

Friend

Friend is inherited from User. All the methods of user are available for friend.

Methods:

  1. getUpdatedAt() - Gets the time when this user information was last updated
  2. getBalances() - Returns a list of Balance objects
  3. getGroups() - Returns a list of FriendGroup objects

Expense User

ExpenseUser is inherited from User. All the methods of user are available for Expense User.

Methods:

  1. getPaidShare() - Returns the Paid Share
  2. getOwedShare() - Returns the Owed Share
  3. getNetBalance() - Returns the Net Balance

Group

Methods:

  1. getId() - Returns the id of the group
  2. getName() - Returns the name of the group
  3. getUpdatedAt() - Get the time this group was last updated
  4. getWhiteBoard() - Get the whiteboard contents of this group
  5. isSimplifiedByDefault() - Returns if group is simplified by default or not
  6. getMembers() - Returns a list of Friend objects
  7. getOriginalDebts() - Returns a list of Debt objects
  8. getType() - Returns the type of group
  9. getSimplifiedDebts() - Returns a list of Debt objects
  10. getInviteLink() - Returns the invite link

FriendGroup

Methods:

  1. getId() - Returns the id of the group
  2. getBalances() - Returns a list of Balance object

Balance

Methods:

  1. getCurrencyCode() - Returns the currency code.
  2. getAmount() - Returns the amount

Category

Methods:

  1. getSubcategories() - Returns a list of Category objects
  2. getId() - Returns the id of category
  3. getName() - Returns the name of the category

Currency

Methods:

  1. getCode() - Returns the Currency Code
  2. getUnit() - Returns the Currency Unit

Debt

Methods:

  1. getFromUser() - Returns the id of the from user
  2. getToUser() - Returns the id of the to user
  3. getAmount() - Returns the amount of the debt
  4. getCurrencyCode() - Returns the currency code of debt

Expense

Methods:

  1. getId() - Returns the id of expense
  2. getGroupId() - Returns the id of the group expense belongs to
  3. getDescription() - Returns the description of expense
  4. isRepeat() - Returns if expense is repeat or not
  5. getRepeatInterval() - Returns the repeat interval of expense
  6. getEmailReminder() - Returns Email reminder
  7. getEmailReminderInAdvance() - Returns email reminder in advance
  8. getNextRepeat() - Returns the time of next repeat
  9. getDetails() - Returns the detail of expense
  10. getCommentsCount() - Returns the number of comments
  11. getPayment() - Returns the payment of expense
  12. getCreationMethod() - Returns the creation method of expense
  13. getTransactionMethod() - Returns the transaction method of expense
  14. getTransactionConfirmed() - Returns if transaction is confirmed
  15. getCost() - Returns the cost of transaction
  16. getCurrencyCode() - Returns the currency code of transaction
  17. getCreatedBy() - Returns a User object of user who created the expense
  18. getDate() - Returns the expense date.
  19. getCreatedAt() - Returns the date time expense was created
  20. getUpdatedAt() - Returns the date time expense was last updated
  21. getDeletedAt() - Returns the date time expense was deleted
  22. getReceipt() - Returns a Receipt object for receipt
  23. getCategory() - Returns a Category object for category
  24. getUpdatedBy() - Returns a User object of user who last updated the expense
  25. getDeletedBy() - Returns a User object of user who deleted the expense
  26. getUsers() - Returns a list of ExpenseUser objects
  27. getExpenseBundleId() - Returns Expense Bundle ID
  28. getFriendshipId() - Returns the Friendship ID
  29. getRepayments() - Returns a list of Debt objects

Picture

Methods:

  1. getSmall() - Returns the link to the small image
  2. getMedium() - Returns the link to the medium image
  3. getLarge() - Returns the link to the large image

Receipt

Methods:

  1. getOriginal() - Returns the link to the original uploaded receipt
  2. getLarge() - Returns the link to large image of uploaded receipt

Sample Application

This is the GitHub Link to the sample application written in Flask to show the usage of splitwise application.

License

MIT

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