Remove use of importlib_metadata (#1178)

openfisca · Dec 19, 2022 · f7529a2 · f7529a2
2 parents 441adac + 2eac703
commit f7529a2
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+### 38.0.2 [#1178](https://github.com/openfisca/openfisca-core/pull/1178)
+
+#### Technical changes
+
+- Remove use of `importlib_metadata`.
+
 # 38.0.0 [#989](https://github.com/openfisca/openfisca-core/pull/989)
 
 #### New Features

diff --git a/openfisca_core/taxbenefitsystems/tax_benefit_system.py b/openfisca_core/taxbenefitsystems/tax_benefit_system.py
@@ -6,10 +6,10 @@
 import functools
 import glob
 import importlib
-import importlib_metadata
 import inspect
 import logging
 import os
+import pkg_resources
 import sys
 import traceback
 import typing
@@ -457,9 +457,8 @@ def get_package_metadata(self) -> Dict[str, str]:
         package_name = module.__package__.split('.')[0]
 
         try:
-            distribution = importlib_metadata.distribution(package_name)
-
-        except importlib_metadata.PackageNotFoundError:
+            distribution = pkg_resources.get_distribution(package_name)
+        except pkg_resources.DistributionNotFound:
             return fallback_metadata
 
         source_file = inspect.getsourcefile(module)
@@ -470,12 +469,17 @@ def get_package_metadata(self) -> Dict[str, str]:
         else:
             location = ""
 
-        metadata = distribution.metadata
+        home_page_metadatas = [
+            metadata.split(':', 1)[1].strip(' ')
+            for metadata in distribution._get_metadata(distribution.PKG_INFO)  # type: ignore
+            if 'Home-page' in metadata
+            ]
+        repository_url = home_page_metadatas[0] if home_page_metadatas else ''
 
         return {
-            'name': metadata["Name"].lower(),
+            'name': distribution.key,
             'version': distribution.version,
-            'repository_url': metadata["Home-page"],
+            'repository_url': repository_url,
             'location': location,
             }
 

diff --git a/setup.py b/setup.py
@@ -63,7 +63,7 @@
 
 setup(
     name = 'OpenFisca-Core',
-    version = '38.0.0',
+    version = '38.0.2',
     author = 'OpenFisca Team',
     author_email = '[email protected]',
     classifiers = [