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Make the package compatible with various django versions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,13 +1,31 @@ | ||
| language: python | ||
| python: | ||
| - 2.7 | ||
| - 3.3 | ||
| - 3.4 | ||
| sudo: false | ||
| install: | ||
| - python setup.py install | ||
| - pip install coverage | ||
| - pip install codecov | ||
| - pip install tox codecov | ||
| script: | ||
| - coverage run setup.py test | ||
| - tox | ||
| env: | ||
| - TOXENV=py27-django14 | ||
| - TOXENV=py27-django18 | ||
| - TOXENV=py27-django19 | ||
| - TOXENV=py27-django_master | ||
| - TOXENV=py34-django14 | ||
| - TOXENV=py34-django18 | ||
| - TOXENV=py34-django19 | ||
| - TOXENV=py34-django_master | ||
| - TOXENV=py35-django18 | ||
| - TOXENV=py35-django19 | ||
| - TOXENV=py35-django_master | ||
| matrix: | ||
| allow_failures: | ||
| - env: TOXENV=py27-django_master | ||
| - env: TOXENV=py34-django_master | ||
| - env: TOXENV=py35-django_master | ||
| after_success: | ||
| - codecov | ||
| addons: | ||
| apt: | ||
| sources: | ||
| - deadsnakes | ||
| packages: | ||
| - python3.5 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| from __future__ import unicode_literals | ||
| import re | ||
| try: | ||
| from urllib.parse import urljoin, urlencode | ||
| except ImportError: | ||
| from urllib import urlencode | ||
| from urlparse import urljoin | ||
| try: | ||
| from django.db.models import get_model | ||
| except ImportError: | ||
| from django.apps import apps | ||
| get_model = apps.get_model | ||
| from django.conf import settings | ||
| from django.contrib.sites.models import Site | ||
| from django.core.exceptions import ImproperlyConfigured | ||
|
|
||
| PAYMENT_VARIANTS = { | ||
| 'default': ('payments.dummy.DummyProvider', {})} | ||
|
|
||
| PAYMENT_HOST = getattr(settings, 'PAYMENT_HOST', None) | ||
| PAYMENT_USES_SSL = getattr(settings, 'PAYMENT_USES_SSL', False) | ||
|
|
||
| if not PAYMENT_HOST: | ||
| if not 'django.contrib.sites' in settings.INSTALLED_APPS: | ||
| raise ImproperlyConfigured('The PAYMENT_HOST setting without ' | ||
| 'the sites app must not be empty.') | ||
|
|
||
|
|
||
| def get_base_url(): | ||
| protocol = 'https' if PAYMENT_USES_SSL else 'http' | ||
| if not PAYMENT_HOST: | ||
| current_site = Site.objects.get_current() | ||
| domain = current_site.domain | ||
| return '%s://%s' % (protocol, domain) | ||
| return '%s://%s' % (protocol, PAYMENT_HOST) | ||
|
|
||
|
|
||
| class BasicProvider(object): | ||
| ''' | ||
| This class defines the provider API. It should not be instantiated | ||
| directly. Use factory instead. | ||
| ''' | ||
| _method = 'post' | ||
|
|
||
| def get_action(self, payment): | ||
| return self.get_return_url(payment) | ||
|
|
||
| def __init__(self, capture=True): | ||
| self._capture = capture | ||
|
|
||
| def get_hidden_fields(self, payment): | ||
| ''' | ||
| Converts a payment into a dict containing transaction data. Use | ||
| get_form instead to get a form suitable for templates. | ||
| When implementing a new payment provider, overload this method to | ||
| transfer provider-specific data. | ||
| ''' | ||
| raise NotImplementedError() | ||
|
|
||
| def get_form(self, payment, data=None): | ||
| ''' | ||
| Converts *payment* into a form suitable for Django templates. | ||
| ''' | ||
| from .forms import PaymentForm | ||
| return PaymentForm(self.get_hidden_fields(payment), | ||
| self.get_action(payment), self._method) | ||
|
|
||
| def process_data(self, payment, request): | ||
| ''' | ||
| Process callback request from a payment provider. | ||
| ''' | ||
| raise NotImplementedError() | ||
|
|
||
| def get_token_from_request(self, payment, request): | ||
| ''' | ||
| Return payment token from provider request. | ||
| ''' | ||
| raise NotImplementedError() | ||
|
|
||
| def get_return_url(self, payment, extra_data=None): | ||
| payment_link = payment.get_process_url() | ||
| url = urljoin(get_base_url(), payment_link) | ||
| if extra_data: | ||
| qs = urlencode(extra_data) | ||
| return url + '?' + qs | ||
| return url | ||
|
|
||
| def capture(self, payment, amount=None): | ||
| raise NotImplementedError() | ||
|
|
||
| def release(self, payment): | ||
| raise NotImplementedError() | ||
|
|
||
| def refund(self, payment, amount=None): | ||
| raise NotImplementedError() | ||
|
|
||
|
|
||
| PROVIDER_CACHE = {} | ||
|
|
||
|
|
||
| def provider_factory(variant): | ||
| ''' | ||
| Return the provider instance based on variant | ||
| ''' | ||
| variants = getattr(settings, 'PAYMENT_VARIANTS', PAYMENT_VARIANTS) | ||
| handler, config = variants.get(variant, (None, None)) | ||
| if not handler: | ||
| raise ValueError('Payment variant does not exist: %s' % | ||
| (variant,)) | ||
| if variant not in PROVIDER_CACHE: | ||
| module_path, class_name = handler.rsplit('.', 1) | ||
| module = __import__( | ||
| str(module_path), globals(), locals(), [str(class_name)]) | ||
| class_ = getattr(module, class_name) | ||
| PROVIDER_CACHE[variant] = class_(**config) | ||
| return PROVIDER_CACHE[variant] | ||
|
|
||
|
|
||
| def get_payment_model(): | ||
| ''' | ||
| Return the Payment model that is active in this project | ||
| ''' | ||
| try: | ||
| app_label, model_name = settings.PAYMENT_MODEL.split('.') | ||
| except (ValueError, AttributeError): | ||
| raise ImproperlyConfigured('PAYMENT_MODEL must be of the form ' | ||
| '"app_label.model_name"') | ||
| payment_model = get_model(app_label, model_name) | ||
| if payment_model is None: | ||
| msg = ( | ||
| 'PAYMENT_MODEL refers to model "%s" that has not been installed' % | ||
| settings.PAYMENT_MODEL) | ||
| raise ImproperlyConfigured(msg) | ||
| return payment_model | ||
|
|
||
|
|
||
| CARD_TYPES = [ | ||
| (r'^4[0-9]{12}(?:[0-9]{3})?$', 'visa', 'VISA'), | ||
| (r'^5[1-5][0-9]{14}$', 'mastercard', 'MasterCard'), | ||
| (r'^6(?:011|5[0-9]{2})[0-9]{12}$', 'discover', 'Discover'), | ||
| (r'^3[47][0-9]{13}$', 'amex', 'American Express'), | ||
| (r'^(?:(?:2131|1800|35\d{3})\d{11})$', 'jcb', 'JCB'), | ||
| (r'^(?:3(?:0[0-5]|[68][0-9])[0-9]{11})$', 'diners', 'Diners Club'), | ||
| (r'^(?:5[0678]\d\d|6304|6390|67\d\d)\d{8,15}$', 'maestro', 'Maestro')] | ||
|
|
||
|
|
||
| def get_credit_card_issuer(number): | ||
| for regexp, card_type, name in CARD_TYPES: | ||
| if re.match(regexp, number): | ||
| return card_type, name | ||
| return None, None |
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