Merge pull request numpy#19927 from asmeurer/faster-in-place-imports

BUG: Only call the get_versions() function once on import

Author: charris

numpy/__init__.py

@@ -135,11 +135,7 @@
                'VisibleDeprecationWarning']
 
     # get the version using versioneer
-    from ._version import get_versions
-    vinfo = get_versions()
-    __version__ = vinfo.get("closest-tag", vinfo["version"])
-    __git_version__ = vinfo.get("full-revisionid")
-    del get_versions, vinfo
+    from .version import __version__, git_revision as __git_version__
 
     # mapping of {name: (value, deprecation_msg)}
     __deprecated_attrs__ = {}
@@ -407,7 +403,3 @@ def _mac_os_check():
     # We do this from python, since the C-module may not be reloaded and
     # it is tidier organized.
     core.multiarray._multiarray_umath._reload_guard()
-
-from ._version import get_versions
-__version__ = get_versions()['version']
-del get_versions

numpy/version.py

@@ -1,9 +1,10 @@
 from ._version import get_versions
 
-__ALL__ = ['version', 'full_version', 'git_revision', 'release']
+__ALL__ = ['version', '__version__', 'full_version', 'git_revision', 'release']
 
 vinfo = get_versions()
 version: str = vinfo["version"]
+__version__ = vinfo.get("closest-tag", vinfo["version"])
 full_version: str = vinfo['version']
 git_revision: str = vinfo['full-revisionid']
 release = 'dev0' not in version and '+' not in version