[social auth & notification] Add wechat work notification

thirdpart/social_django/context_processors.py

@@ -0,0 +1,52 @@
+from django.contrib.auth import REDIRECT_FIELD_NAME
+from django.utils.functional import SimpleLazyObject
+from django.utils.http import urlquote
+
+try:
+    from django.utils.functional import empty as _empty
+    empty = _empty
+except ImportError:  # django < 1.4
+    empty = None
+
+
+from social_core.backends.utils import user_backends_data
+from .utils import Storage, BACKENDS
+
+
+class LazyDict(SimpleLazyObject):
+    """Lazy dict initialization."""
+    def __getitem__(self, name):
+        if self._wrapped is empty:
+            self._setup()
+        return self._wrapped[name]
+
+    def __setitem__(self, name, value):
+        if self._wrapped is empty:
+            self._setup()
+        self._wrapped[name] = value
+
+
+def backends(request):
+    """Load Social Auth current user data to context under the key 'backends'.
+    Will return the output of social_core.backends.utils.user_backends_data."""
+    return {'backends': LazyDict(lambda: user_backends_data(request.user,
+                                                            BACKENDS,
+                                                            Storage))}
+
+
+def login_redirect(request):
+    """Load current redirect to context."""
+    value = request.method == 'POST' and \
+                request.POST.get(REDIRECT_FIELD_NAME) or \
+                request.GET.get(REDIRECT_FIELD_NAME)
+    if value:
+        value = urlquote(value)
+        querystring = REDIRECT_FIELD_NAME + '=' + value
+    else:
+        querystring = ''
+
+    return {
+        'REDIRECT_FIELD_NAME': REDIRECT_FIELD_NAME,
+        'REDIRECT_FIELD_VALUE': value,
+        'REDIRECT_QUERYSTRING': querystring
+    }