Merge pull request #110 from timrichardson/computed_fields

allow compute fields to depend on compute fields defined earlier
2013-06-21 08:12:43 -07:00
parent ffa08817ea c3be2e5f8a
commit 3ce0c30b68
2 changed files with 17 additions and 2 deletions
@@ -8542,10 +8542,12 @@ class Table(object):
                # try compute it
                try:
                    new_fields[name] = (ofield,ofield.compute(row))
+                    __,fields[name] = new_fields[name]  #the value is the second element of the tuple
+                    row = Row(fields)  #allow later compute fields to refer to this value
                except (KeyError, AttributeError):
-                    # error sinlently unless field is required!
+                    # error silently unless field is required!
                    if ofield.required:
-                        raise SyntaxError('unable to comput field: %s' % name)
+                        raise SyntaxError('unable to compute field: %s' % name)
        return new_fields.values()

    def _attempt_upload(self, fields):