fix lockfile

pdm/models/environment.py

@@ -18,7 +18,6 @@
 
 from pdm.exceptions import NoPythonVersion
 from pdm.iostream import stream
-from pdm.models.specifiers import PySpecSet
 from pdm.utils import (
     allow_all_wheels,
     cached_property,
@@ -342,12 +341,6 @@ class GlobalEnvironment(Environment):
 
     is_global = True
 
-    def __init__(self, project: Project) -> None:
-        super().__init__(project)
-        self.python_requires = PySpecSet(
-            "==" + get_python_version(self.python_executable, True)
-        )
-
     def get_paths(self) -> Dict[str, str]:
         paths = get_sys_config_paths(self.python_executable)
         paths["prefix"] = paths["data"]

pdm/project/core.py

@@ -29,6 +29,7 @@
     atomic_open_for_write,
     cached_property,
     find_project_root,
+    get_python_version,
     get_venv_python,
 )
 
@@ -141,7 +142,13 @@ def is_pdm(self) -> bool:
     @cached_property
     def environment(self) -> Environment:
         if self.is_global:
-            return GlobalEnvironment(self)
+            env = GlobalEnvironment(self)
+            # Rewrite global project's python requires to be
+            # compatible with the exact version
+            env.python_requires = PySpecSet(
+                "==" + get_python_version(env.python_executable, True)
+            )
+            return env
         if self.config["use_venv"] and "VIRTUAL_ENV" in os.environ:
             self.project_config["python.path"] = get_venv_python()
             return GlobalEnvironment(self)

pdm/utils.py

@@ -423,6 +423,7 @@ def get_venv_python() -> Optional[str]:
 @contextmanager
 def atomic_open_for_write(filename: Union[Path, str], *, encoding: str = "utf-8"):
     fd, name = tempfile.mkstemp("-atomic-write", "pdm-")
+    filename = str(filename)
     try:
         f = open(fd, "w", encoding=encoding)
         yield f