Adding short commit to version_info (#8145)

Co-authored-by: Hasan Ramezani <hasan.r67@gmail.com>

pydantic/_internal/_git.py

@@ -0,0 +1,26 @@
+"""Git utilities, adopted from mypy's git utilities (https://github.com/python/mypy/blob/master/mypy/git.py)."""
+from __future__ import annotations
+
+import os
+import subprocess
+
+
+def is_git_repo(dir: str) -> bool:
+    """Is the given directory version-controlled with git?"""
+    return os.path.exists(os.path.join(dir, '.git'))
+
+
+def have_git() -> bool:
+    """Can we run the git executable?"""
+    try:
+        subprocess.check_output(['git', '--help'])
+        return True
+    except subprocess.CalledProcessError:
+        return False
+    except OSError:
+        return False
+
+
+def git_revision(dir: str) -> str:
+    """Get the SHA-1 of the HEAD of a git repository."""
+    return subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD'], cwd=dir).decode('utf-8').strip()

pydantic/version.py

@@ -18,12 +18,15 @@ def version_short() -> str:
 def version_info() -> str:
     """Return complete version information for Pydantic and its dependencies."""
     import importlib.metadata as importlib_metadata
+    import os
     import platform
     import sys
     from pathlib import Path
 
     import pydantic_core._pydantic_core as pdc
 
+    from ._internal import _git as git
+
     # get data about packages that are closely related to pydantic, use pydantic or often conflict with pydantic
     package_names = {
         'email-validator',
@@ -41,6 +44,11 @@ def version_info() -> str:
         if name in package_names:
             related_packages.append(f'{name}-{dist.version}')
 
+    pydantic_dir = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
+    most_recent_commit = (
+        git.git_revision(pydantic_dir) if git.is_git_repo(pydantic_dir) and git.have_git() else 'unknown'
+    )
+
     info = {
         'pydantic version': VERSION,
         'pydantic-core version': pdc.__version__,
@@ -49,6 +57,7 @@ def version_info() -> str:
         'python version': sys.version,
         'platform': platform.platform(),
         'related packages': ' '.join(related_packages),
+        'commit': most_recent_commit,
     }
     return '\n'.join('{:>30} {}'.format(k + ':', str(v).replace('\n', ' ')) for k, v in info.items())
 

tests/test_version.py

@@ -1,4 +1,3 @@
-import re
 from unittest.mock import patch
 
 import pytest
@@ -9,9 +8,20 @@
 
 
 def test_version_info():
+    version_info_fields = [
+        'pydantic version',
+        'pydantic-core version',
+        'pydantic-core build',
+        'install path',
+        'python version',
+        'platform',
+        'related packages',
+        'commit',
+    ]
+
     s = version_info()
-    assert re.match(' *pydantic version: ', s)
-    assert s.count('\n') == 6
+    assert all([f'{field}:' in s for field in version_info_fields])
+    assert s.count('\n') == 7
 
 
 def test_standard_version():