bpo-46933: Make pwd module optional (GH-31700)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
2022-03-07 14:36:47 +02:00
parent 3b3be05a16
commit ca9689f8da
11 changed files with 496 additions and 560 deletions
--- a/Lib/posixpath.py
+++ b/Lib/posixpath.py
@@ -241,7 +241,11 @@ def expanduser(path):
        i = len(path)
    if i == 1:
        if 'HOME' not in os.environ:
-            import pwd
+            try:
+                import pwd
+            except ImportError:
+                # pwd module unavailable, return path unchanged
+                return path
            try:
                userhome = pwd.getpwuid(os.getuid()).pw_dir
            except KeyError:
@@ -251,7 +255,11 @@ def expanduser(path):
        else:
            userhome = os.environ['HOME']
    else:
-        import pwd
+        try:
+            import pwd
+        except ImportError:
+            # pwd module unavailable, return path unchanged
+            return path
        name = path[1:i]
        if isinstance(name, bytes):
            name = str(name, 'ASCII')