paypal-history.py

#!/usr/bin/env python3.6
import requests
import json
import re
from datetime import datetime
from datetime import timedelta

def token():
	headers = {
		'Accept': 'application/json',
		'Accept-Language': 'en_US',
	}

	data = [
		('grant_type', 'client_credentials'),
	]

	response = requests.post('https://api.paypal.com/v1/oauth2/token', headers=headers, data=data, auth=(
	client_id,
	secret_id))
	data = json.loads(response.text)

	return data['access_token']


def transaction_history(token, start_time, end_time):
	headers = {
		'Content-Type': 'application/json',
		'Authorization': 'Bearer ' + token,
	}

	params = (
		('start_date', start_time), # dates must look like this: '2018-06-10T23:20:50.52Z'
		('end_date', end_time),
		('fields', 'transaction_info, payer_info, cart_info'), #all
	)

	results = []
	response = requests.get('https://api.paypal.com/v1/reporting/transactions', headers=headers, params=params)
	if response.status_code != 200:
		print('transaction_history: failed with HTTP code',response.status_code)
		return results
	data = json.loads(response.text)
	print(data)
	return 0

	for transaction in data['transaction_details']:
		if "T0006" not in transaction['transaction_info']['transaction_event_code'] \
				and bool(transaction['payer_info']['payer_name'])\
				and float(transaction['transaction_info']['transaction_amount']['value']) > 0:
			results.append({
				'item': transaction['cart_info']['item_details'][0]['item_name'] if len(transaction['cart_info']['item_details']) > 0 and 'item_name' in transaction['cart_info']['item_details'][0] else '',
				'date': transaction['transaction_info']['transaction_initiation_date'] if 'transaction_initiation_date' in transaction['transaction_info'] else '',
				'name': transaction['payer_info']['payer_name']['alternate_full_name'] if 'payer_name' in transaction['payer_info'] and 'alternate_full_name' in transaction['payer_info']['payer_name'] else '',
				'value': transaction['transaction_info']['transaction_amount']['value'],
				'currency': transaction['transaction_info']['transaction_amount']['currency_code']
			})

	return results

i = token()
time_end = datetime.utcnow()
time_start = time_end + timedelta(days=-30)

time_start = re.sub(r" +","T",time_start.strftime('%Y-%m-%dT%H:%M:%S.%f'))[:-4] + 'Z'
time_end = re.sub(r" +","T",time_end.strftime('%Y-%m-%dT%H:%M:%S.%f'))[:-4] + 'Z'

x = transaction_history(i,time_start,time_end)

@Nosskirneh, sorry, no idea on what would work.

My code is slightly different, but it works just fine...
If the code below (or the above), doesn't work, I would guess it may be a PayPal configuration issue maybe...
Maybe the token is for the sandbox environment, only?

`
import requests
import json
import re
from dateutil import parser
from datetime import datetime
from datetime import timedelta
from backend import db, config
from backend.database.models import PayPal

now = datetime.now()

def token():
headers = {
'Accept': 'application/json',
'Accept-Language': 'en_US',
}

data = [
    ('grant_type', 'client_credentials'),
]

response = requests.post('https://api.paypal.com/v1/oauth2/token',
                         headers=headers,
                         data=data,
                         auth=(
                             PAYPAL_ID,
                             PAYPAL_SECRET))
data = json.loads(response.text)
return data['access_token']

def transaction_history(token, start_time):

time_end = start_time + timedelta(days=30)

start_time = convert_date_format(start_time)
time_end = convert_date_format(time_end)

headers = {
    'Content-Type': 'application/json',
    'Authorization': 'Bearer ' + token,
}

params = (
    ('start_date', start_time), # dates must look like this: '2018-06-10T23:20:50.52Z'
    ('end_date', time_end),
    ('fields', 'transaction_info, payer_info, cart_info'), #all
)

response = requests.get('https://api.paypal.com/v1/reporting/transactions', headers=headers, params=params)
if response.status_code != 200:
    print('Request failed with HTTP code',response.status_code)
    return response

return response

def get_transactions(time_start=datetime(2018,1,1)):

all_transactions = []

while time_start < datetime.utcnow():
    
    print(f'Downloading data from {time_start}...', end='\r')
    i = token()
    response = transaction_history(i, time_start)
    if response.status_code != 200:
        return response
        break

    data = json.loads(response.text)
    data = data['transaction_details']
    if data is not None:
        all_transactions.extend(data)
        time_start = time_start + timedelta(days=30)
    else:
        time_start = time_start + timedelta(days=30)

return all_transactions

def process_data(all_transactions):

print('Starting database inserts...')
entries = []

for transaction in all_transactions:
    transaction_info = transaction['transaction_info']
    payer_info = transaction['payer_info']

    paypal_account_id = transaction_info.get('paypal_account_id', None)
    transaction_id = transaction_info.get('transaction_id', None)
    transaction_event_code = transaction_info.get('transaction_event_code', None)
    transaction_initiation_date = transaction_info.get('transaction_initiation_date', None)
    transaction_updated_date = transaction_info.get('transaction_updated_date', None)
    transaction_amount = transaction_info.get('transaction_amount', {}).get('value', None)
    fee_amount = transaction_info.get('fee_amount', {}).get('value', None)
    transaction_status = transaction_info.get('transaction_status', None)
    invoice_id = transaction_info.get('invoice_id', None)
    custom_field = transaction_info.get('custom_field', None)
    account_id = payer_info.get('account_id', None)
    email_address = payer_info.get('email_address', None)
    address_status = payer_info.get('address_status', None)
    payer_status = payer_info.get('payer_status', None)
    payer_fname = payer_info.get('payer_name', {}).get('given_name', None)
    payer_lname = payer_info.get('payer_name', {}).get('surname', None)
    payer_fullname = payer_info.get('payer_name', {}).get('alternate_full_name', None)

    if transaction_initiation_date is not None:
        transaction_initiation_date = parser.parse(transaction_initiation_date)
    else:
        transaction_initiation_date = None

    if transaction_updated_date is not None:
        transaction_updated_date = parser.parse(transaction_updated_date)
    else:
        transaction_updated_date = None

    single_transaction = PayPal(paypal_account_id=paypal_account_id,
                                transaction_id=transaction_id,
                                event_date=transaction_event_code,
                                initiation_date=transaction_initiation_date,
                                updated_date=transaction_updated_date,
                                amount_gross=transaction_amount,
                                amount_fee=fee_amount,
                                status=transaction_status,
                                invoice_id=invoice_id,
                                custom=custom_field,
                                customer_account=account_id,
                                customer_email=email_address,
                                customer_add_status=address_status,
                                customer_payer_status=payer_status,
                                customer_fname=payer_fname,
                                customer_lname=payer_lname,
                                customer_fullname=payer_fullname,
                                timestamp_db=now
                                )

    entries.append(single_transaction)


try:
    db.session.add_all(entries)
    db.session.commit()
    db.session.close()
    print('Starting database inserts... Done.', end='\r')
    return 'Ok'

except Exception as e:
    print(e)
    return 'Error'

def convert_date_format(date):
date = re.sub(r" +","T",date.strftime('%Y-%m-%dT%H:%M:%S.%f'))[:-4] + 'Z'
return date

def make_history():

results = get_transactions()
response = process_data(results)

if response == 'Ok':
    return ('Ok', 200)

else:
    return ('Error', 999)

def last_entry():

query = """
        SELECT initiation_date
        FROM fin_paypal
        ORDER BY initiation_date DESC
        LIMIT 1
        """

result = db.engine.execute(query).fetchone()
if result is None:
    return 0
else:
    return result[0]

def update_db():

last_entry = last_entry()
results = get_transactions(last_entry)
response = process_data(results)

if response == 'Ok':
    return ('Ok', 200)

else:
    return ('Error', 500)

`