#473 related refactoring: renaming classes (generalization)

arekit/common/data/input/providers/instances/base.py

@@ -1,8 +1,14 @@
-class BaseTextOpinionsLinkageInstancesProvider(object):
+from arekit.common.linkage.base import LinkedDataWrapper
 
-    def iter_instances(self, text_opinion_linkage):
+
+class BaseLinkedDataInstancesProvider(object):
+
+    def iter_instances(self, linked_data):
         raise NotImplementedError()
 
     @staticmethod
-    def provide_label(text_opinion_linkage):
-        return text_opinion_linkage.First.Sentiment
+    def provide_label(linked_data):
+        """ Implementation based on the first element of the linkage.
+        """
+        assert(isinstance(linked_data, LinkedDataWrapper))
+        return linked_data.First.Sentiment

arekit/common/data/input/providers/instances/multiple.py

@@ -1,25 +1,25 @@
-from arekit.common.data.input.providers.instances.base import BaseTextOpinionsLinkageInstancesProvider
+from arekit.common.data.input.providers.instances.base import BaseLinkedDataInstancesProvider
 from arekit.common.linkage.text_opinions import TextOpinionsLinkage
 from arekit.common.text_opinions.base import TextOpinion
 
 
-class MultipleLinkedTextOpinionsInstancesProvider(BaseTextOpinionsLinkageInstancesProvider):
+class MultipleInstancesLinkedTextOpinionsProvider(BaseLinkedDataInstancesProvider):
 
     def __init__(self, supported_labels):
         assert(isinstance(supported_labels, list))
         self.__supported_labels = supported_labels
 
-    def iter_instances(self, text_opinion_linkage):
+    def iter_instances(self, linked_data):
         """ Enumerate all opinions as if it would be with the different label types.
         """
         for label in self.__supported_labels:
-            yield self.__modify_first_and_copy_linked_wrap(text_opinion_linkage, label)
+            yield self.__modify_first_and_copy_linked_wrap(linked_data, label)
 
     @staticmethod
     def __modify_first_and_copy_linked_wrap(text_opinions_linkage, label):
         assert (isinstance(text_opinions_linkage, TextOpinionsLinkage))
 
-        linkage = [text_opinion for text_opinion in text_opinions_linkage]
+        linkage = list(text_opinions_linkage)
         text_opinion_copy = TextOpinion.create_copy(other=linkage[0])
         text_opinion_copy.set_label(label=label)
         linkage[0] = text_opinion_copy

arekit/common/data/input/providers/instances/single.py

@@ -1,8 +1,8 @@
-from arekit.common.data.input.providers.instances.base import BaseTextOpinionsLinkageInstancesProvider
+from arekit.common.data.input.providers.instances.base import BaseLinkedDataInstancesProvider
 
 
-class SingleInstanceTextOpinionsLinkageProvider(BaseTextOpinionsLinkageInstancesProvider):
+class SingleInstanceLinkedDataProvider(BaseLinkedDataInstancesProvider):
 
-    def iter_instances(self, text_opinions_linkage):
-        yield text_opinions_linkage
+    def iter_instances(self, linked_data):
+        yield linked_data
         return

arekit/common/data/input/providers/rows/samples.py

@@ -1,8 +1,8 @@
 from collections import OrderedDict
 
 from arekit.common.data import const
-from arekit.common.data.input.providers.instances.multiple import MultipleLinkedTextOpinionsInstancesProvider
-from arekit.common.data.input.providers.instances.single import SingleInstanceTextOpinionsLinkageProvider
+from arekit.common.data.input.providers.instances.multiple import MultipleInstancesLinkedTextOpinionsProvider
+from arekit.common.data.input.providers.instances.single import SingleInstanceLinkedDataProvider
 from arekit.common.data.input.providers.label.base import LabelProvider
 from arekit.common.data.input.providers.label.binary import BinaryLabelProvider
 from arekit.common.data.input.providers.label.multiple import MultipleLabelProvider
@@ -134,10 +134,11 @@ def __create_row_ids_provider(label_provider):
 
     @staticmethod
     def __create_instances_provider(label_provider):
+        # TODO. #473 related: thiese label providers are based on text opinion extraction task!
         if isinstance(label_provider, BinaryLabelProvider):
-            return MultipleLinkedTextOpinionsInstancesProvider(label_provider.SupportedLabels)
+            return MultipleInstancesLinkedTextOpinionsProvider(label_provider.SupportedLabels)
         if isinstance(label_provider, MultipleLabelProvider):
-            return SingleInstanceTextOpinionsLinkageProvider()
+            return SingleInstanceLinkedDataProvider()
 
     def __provide_rows(self, row_dict, parsed_news, entity_service,
                        text_opinion_linkage, index_in_linked, idle_mode):