Rename "www" directory to "conservancy"

conservancy/__init__.py

@@ -0,0 +1,42 @@
+import hashlib
+
+from django.conf import settings
+
+
+class ParameterValidator:
+    def __init__(self, given_hash_or_params, params_hash_key=None):
+        if params_hash_key is None:
+            self.given_hash = given_hash_or_params
+        else:
+            self.given_hash = given_hash_or_params.get(params_hash_key)
+        seed = getattr(settings, 'CONSERVANCY_SECRET_KEY', '').encode('utf-8')
+        self.hasher = hashlib.sha256(seed)
+        if isinstance(self.given_hash, str):
+            self.hash_type = type(self.given_hash)
+        else:
+            self.hash_type = type(self.hasher.hexdigest())
+        self.valid = None
+        if not (self.given_hash and seed):
+            self.fail()
+
+    def __enter__(self):
+        self.valid = self.valid and None
+        return self
+
+    def __exit__(self, exc_type, exc_value, exc_tb):
+        if exc_type is None:
+            self.check()
+        else:
+            self.fail()
+
+    def validate(self, data):
+        self.valid = self.valid and None
+        self.hasher.update(data)
+
+    def check(self):
+        if self.valid or (self.valid is None):
+            self.valid = self.hash_type(self.hasher.hexdigest()) == self.given_hash
+        return self.valid
+
+    def fail(self):
+        self.valid = False

conservancy/assignment/apps.py

@@ -2,4 +2,4 @@ from django.apps import AppConfig
 
 
 class AssignmentConfig(AppConfig):
-    name = 'www.assignment'
+    name = 'conservancy.assignment'

conservancy/fossy/apps.py

@@ -2,4 +2,4 @@ from django.apps import AppConfig
 
 
 class FOSSYConfig(AppConfig):
-    name = 'www.fossy'
+    name = 'conservancy.fossy'