Fix sas datastep input values when table is provided

Author: Cloud User

src/sasctl/utils/astore.py

@@ -89,7 +89,24 @@ def create_package_from_datastep(table, input=None):
 
     dscode = table.to_frame().loc[0, 'DataStepSrc']
 
-    #TODO: Extract inputs into file
+    # Extract inputs if provided
+    input_vars = []
+    # Workaround because sasdataframe does not like to be check if exist
+    if str(input) != "None":
+        from .pymas.python import ds2_variables
+        vars=None
+        if hasattr(input, 'columns'):
+            # Assuming input is a DataFrame representing model inputs.  Use to
+            # get input variables
+            vars = ds2_variables(input)
+        elif isinstance(input, type):
+            params = OrderedDict([(k, input)
+                              for k in target_func.__code__.co_varnames])
+            vars = ds2_variables(params)
+        elif isinstance(input, dict):
+            vars = ds2_variables(input)
+        if vars:
+            input_vars = [var.as_model_metadata() for var in vars if not var.out]
 
     #Find outputs from ds code
     output_vars=[]
@@ -123,7 +140,8 @@ def create_package_from_datastep(table, input=None):
         'fileMetadata.json': file_metadata,
         'dmcas_scorecode.sas': dscode,
         'ModelProperties.json': {"scoreCodeType":"dataStep"},
-        'outputVar.json': output_vars
+        'outputVar.json': output_vars,
+        'inputVar.json': input_vars
     })
 
     return zip_file

src/sasctl/utils/pymas/ds2.py

@@ -339,7 +339,7 @@ def _map_type(cls, mapping, t):
 
     def as_model_metadata(self):
         viya_type = self._map_type(self.DS2_TYPE_TO_VIYA, self.type)
-        role = 'Output' if self.out else 'Input'
+        role = 'Output' if self.out else 'input'
 
         return OrderedDict(
             [('name', self.name), ('role', role), ('type', viya_type)])