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news/146.dep

+Update `pdm-pep517` to `0.2.0` that supports reading version from SCM.

pdm/core.py

@@ -18,6 +18,11 @@ from pdm.models.repositories import PyPIRepository
 from pdm.project import Project
 from pdm.project.config import Config, ConfigItem
 
+try:
+    import importlib.metadata as importlib_metadata
+except ModuleNotFoundError:
+    import importlib_metadata
+
 COMMANDS_MODULE_PATH = importlib.import_module("pdm.cli.commands").__path__
 
 
@@ -25,9 +30,7 @@ class Core:
     """A high level object that manages all classes and configurations"""
 
     def __init__(self):
-        import importlib.metadata
-
-        self.version = importlib.metadata.version(__name__.split(".")[0])
+        self.version = importlib_metadata.version(__name__.split(".")[0])
 
         self.project_class = Project
         self.repository_class = PyPIRepository