Use the new direction param in GetPropertyValues REST API. (#109)

* Use the new direction param in GetPropertyValues REST API.

* Small refactor.

* setup.py version update

Author: Spaceenter

datacommons/core.py

@@ -154,10 +154,16 @@ def get_property_values(dcids,
   """
   # Convert the dcids field and format the request to GetPropertyValue
   dcids = list(dcids)
+  if out:
+    direction = 'out'
+  else:
+    direction = 'in'
+
   req_json = {
     'dcids': dcids,
     'property': prop,
-    'limit': limit
+    'limit': limit,
+    'direction': direction
   }
   if value_type:
     req_json['value_type'] = value_type

setup.py

@@ -25,7 +25,7 @@
 EMAIL = 'support@datacommons.org'
 AUTHOR = 'datacommons.org'
 REQUIRES_PYTHON = '>=3.6.0'
-VERSION = '1.0.2'
+VERSION = '1.0.3'
 
 REQUIRED = [
     'httplib2',