rewrite list_shells

src/user.py

@@ -122,21 +122,17 @@ def user_list(fields=None):
 
     return {"users": users}
 
-def list_shells():
-    import ctypes
-    import ctypes.util
 
-    """List the shells from /etc/shells."""
+def list_shells():
-    libc = ctypes.CDLL(ctypes.util.find_library("c"))
+    with open("/etc/shells", "r") as f:
-    getusershell = libc.getusershell
+        content = f.readlines()
-    getusershell.restype = ctypes.c_char_p
+
-    libc.setusershell()
+    shells = []
-    while True:
+    for line in content:
-        shell = getusershell()
+        if line.startswith("/"):
-        if not shell:
+            shells.append(line.replace("\n",""))
-            break
+    return shells
-        yield shell.decode()
+
-    libc.endusershell()
 
 
 def shellexists(shell):