From d461e52483902558e72aab64ecbb6430c098ca1c Mon Sep 17 00:00:00 2001
From: Martin Fischer <martin@push-f.com>
Date: Tue, 8 Feb 2022 08:41:59 +0100
Subject: refactor: introduce system_for_sphinx_inventory helper function

---
 pydoc.py | 44 ++++++++++++++++++++++++--------------------
 1 file changed, 24 insertions(+), 20 deletions(-)

(limited to 'pydoc.py')

diff --git a/pydoc.py b/pydoc.py
index 9311e0a..0b124f7 100755
--- a/pydoc.py
+++ b/pydoc.py
@@ -124,6 +124,29 @@ class SphinxAwareSystem(model.System):
 
         return super().privacyClass(ob)
 
+def system_for_sphinx_inventory(inventory_url: str):
+    inventory_url = packages[package_name]['sphinx_inventory_url']
+    url_base = inventory_url.rsplit('/', maxsplit=1)[0]
+    inventory_path = inventories / (package_name + '.inv')
+    try:
+        with inventory_path.open('rb') as f:
+            inventory = InventoryFile.load(f, url_base, posixpath.join)
+    except FileNotFoundError:
+        inventory_bytes = requests.get(inventory_url, stream=True).content
+        inventory = InventoryFile.load(
+            io.BytesIO(inventory_bytes), url_base, posixpath.join
+        )
+        with inventory_path.open('wb') as f:
+            f.write(inventory_bytes)
+
+    if 'py:module' not in inventory:
+        print(f"[warning] sphinx inventory for {package_name} does not contain py:module, we're ignoring the inventory")
+        # TODO: display warning in HTML
+        return None
+
+    system = SphinxAwareSystem(inventory)
+    system.options.docformat = docformat
+    return system
 
 if __name__ == '__main__':
     sources = Path('sources')
@@ -245,26 +268,7 @@ if __name__ == '__main__':
         system = None
 
         if 'sphinx_inventory_url' in packages[package_name]:
-            inventory_url = packages[package_name]['sphinx_inventory_url']
-            url_base = inventory_url.rsplit('/', maxsplit=1)[0]
-            inventory_path = inventories / (package_name + '.inv')
-            try:
-                with inventory_path.open('rb') as f:
-                    inventory = InventoryFile.load(f, url_base, posixpath.join)
-            except FileNotFoundError:
-                inventory_bytes = requests.get(inventory_url, stream=True).content
-                inventory = InventoryFile.load(
-                    io.BytesIO(inventory_bytes), url_base, posixpath.join
-                )
-                with inventory_path.open('wb') as f:
-                    f.write(inventory_bytes)
-
-            if 'py:module' in inventory:
-                system = SphinxAwareSystem(inventory)
-                system.options.docformat = docformat
-            else:
-                print(f"[warning] sphinx inventory for {package_name} does not contain py:module, we're ignoring the inventory")
-                # TODO: display warning in HTML
+            system = system_for_sphinx_inventory(packages[package_name]['sphinx_inventory_url'])
 
 
         pydoctor.driver.main(
-- 
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