Check if the hierarchy files exist before generating includes. (#147)

Previously exhale was trying to `.. include::` files that were not necessarily generated.
svenevs · Feb 9, 2022 · 36665ce · 36665ce
1 parent 329c443
commit 36665ce
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diff --git a/docs/changelog.rst b/docs/changelog.rst
@@ -8,7 +8,7 @@ Changelog
 v0.3.0
 ----------------------------------------------------------------------------------------
 
-- Do not write source files for empty hierarchies (:pr:`134`).
+- Do not write source files for empty hierarchies (:pr:`134`, :pr:`147`).
 - Support specialized template functions (:pr:`117`).
 - Prevent sphinx from processing files that are incorporated via a ``.. include::``
   directive by renaming them to ``.rst.include`` suffix (:pr:`136`).

diff --git a/exhale/graph.py b/exhale/graph.py
@@ -3536,15 +3536,15 @@ def generateAPIRootBody(self):
                         ))
                         break
                 # Include the page, class, and file hierarchies
-                if any(node.kind == "page" for node in self.all_nodes):
+                if os.path.exists(self.page_hierarchy_file):
                     generated_index.write(".. include:: {0}\n\n".format(
                         os.path.basename(self.page_hierarchy_file)
                     ))
-                if any(node.kind in utils.CLASS_LIKE_KINDS for node in self.all_nodes):
+                if os.path.exists(self.class_hierarchy_file):
                     generated_index.write(".. include:: {0}\n\n".format(
                         os.path.basename(self.class_hierarchy_file)
                     ))
-                if any(node.kind in {"dir", "file"} for node in self.all_nodes):
+                if os.path.exists(self.file_hierarchy_file):
                     generated_index.write(".. include:: {0}\n\n".format(
                         os.path.basename(self.file_hierarchy_file)
                     ))