List all your chargify customers, and find the subscription id, given an email address

get_subscription_id_from_Chargify_by_email.py

from chargify import Chargify # import this module https://github.com/hindsightlabs/chargify-python
CHARGIFY_API_KEY="MY_API_KEY" # insert your api key here
CHARGIFY_SUBDOMAIN="MY_SUBDOMAIN" # insert your subdomain here

chargify = Chargify(CHARGIFY_API_KEY,CHARGIFY_SUBDOMAIN)

def get_subscription_id_from_Chargify(email):
    '''
    Interface with chargify API to get their subscription_id, given a customer email address
    '''
    
    partial_list = chargify.customers() # Get the first 50 customers
    customerlist = partial_list
    i=2
    while len(partial_list)==50:
        partial_list = chargify.customers(page=i) # Gets the next page of 50, if the previous list was the max (50)
        customerlist = customerlist + partial_list # Add the next page to the complete list
        i=i+1

    for customer in customerlist:
        if (customer["customer"]["email"]==email):
            subscription_id = customer["customer"]["id"]

    # Need to add an error handler if search does not return results
    return subscription_id
    
if __name__ == "__main__":
    email="me@me.com"
    subscription_id=get_subscription_id_from_Chargify(email)
    print email +"'s Chargify subscription id is: " + subscription_id