GoogleCloudPlatform / google-cloud-python / 1158

100%

Pull #667

travis-ci

Adding lazy loading support for dataset ID.

Still need to support connection (and eventually do the same
in storage).

Again verified only the lazy loading tests used implicit
behavior via

```diff
diff --git a/gcloud/datastore/_implicit_environ.py b/gcloud/datastore/_implicit_environ.py
index 6e61636..6d67be6 100644
--- a/gcloud/datastore/_implicit_environ.py
+++ b/gcloud/datastore/_implicit_environ.py
@@ -177,6 +177,10 @@ class _LazyProperty(object):
         self._method = method

     def __get__(self, obj, objtype):
+        class FooError(Exception):
+            pass
+        raise FooError
+
         if obj is None or objtype is not _DefaultsContainer:
             return self
```

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