remove dead code: NamedTemporaryDirectory

[tahoe-lafs/tahoe-lafs.git] / src / allmydata / util / fileutil.py

diff --git a/src/allmydata/util/fileutil.py b/src/allmydata/util/fileutil.py
index 0349669e22b24670bd4839c1f93af96c6cc9f62d..a2c3841f7837d28032988b4656e266209eb9056d 100644 (file)
--- a/src/allmydata/util/fileutil.py
+++ b/src/allmydata/util/fileutil.py
@@ -87,34 +87,6 @@ class ReopenableNamedTemporaryFile:
     def shutdown(self):
         remove(self.name)
 
-class NamedTemporaryDirectory:
-    """
-    This calls tempfile.mkdtemp(), stores the name of the dir in
-    self.name, and rmrf's the dir when it gets garbage collected or
-    "shutdown()".
-    """
-    def __init__(self, cleanup=True, *args, **kwargs):
-        """ If cleanup, then the directory will be rmrf'ed when the object is shutdown. """
-        self.cleanup = cleanup
-        self.name = tempfile.mkdtemp(*args, **kwargs)
-
-    def __repr__(self):
-        return "<%s instance at %x %s>" % (self.__class__.__name__, id(self), self.name)
-
-    def __str__(self):
-        return self.__repr__()
-
-    def __del__(self):
-        try:
-            self.shutdown()
-        except:
-            import traceback
-            traceback.print_exc()
-
-    def shutdown(self):
-        if self.cleanup and hasattr(self, 'name'):
-            rm_dir(self.name)
-
 class EncryptedTemporaryFile:
     # not implemented: next, readline, readlines, xreadlines, writelines
 
@@ -363,23 +335,27 @@ def to_windows_long_path(path):
 
 have_GetDiskFreeSpaceExW = False
 if sys.platform == "win32":
-    from ctypes import WINFUNCTYPE, windll, POINTER, byref, c_ulonglong, create_unicode_buffer
+    from ctypes import WINFUNCTYPE, windll, POINTER, byref, c_ulonglong, create_unicode_buffer, \
+        get_last_error
     from ctypes.wintypes import BOOL, DWORD, LPCWSTR, LPWSTR
 
-    # <http://msdn.microsoft.com/en-us/library/ms679360%28v=VS.85%29.aspx>
-    GetLastError = WINFUNCTYPE(DWORD)(("GetLastError", windll.kernel32))
-
     # <http://msdn.microsoft.com/en-us/library/windows/desktop/ms683188%28v=vs.85%29.aspx>
-    GetEnvironmentVariableW = WINFUNCTYPE(DWORD, LPCWSTR, LPWSTR, DWORD)(
-        ("GetEnvironmentVariableW", windll.kernel32))
+    GetEnvironmentVariableW = WINFUNCTYPE(
+        DWORD,
+          LPCWSTR, LPWSTR, DWORD,
+        use_last_error=True
+      )(("GetEnvironmentVariableW", windll.kernel32))
 
     try:
         # <http://msdn.microsoft.com/en-us/library/aa383742%28v=VS.85%29.aspx>
         PULARGE_INTEGER = POINTER(c_ulonglong)
 
         # <http://msdn.microsoft.com/en-us/library/aa364937%28VS.85%29.aspx>
-        GetDiskFreeSpaceExW = WINFUNCTYPE(BOOL, LPCWSTR, PULARGE_INTEGER, PULARGE_INTEGER, PULARGE_INTEGER)(
-            ("GetDiskFreeSpaceExW", windll.kernel32))
+        GetDiskFreeSpaceExW = WINFUNCTYPE(
+            BOOL,
+              LPCWSTR, PULARGE_INTEGER, PULARGE_INTEGER, PULARGE_INTEGER,
+            use_last_error=True
+          )(("GetDiskFreeSpaceExW", windll.kernel32))
 
         have_GetDiskFreeSpaceExW = True
     except Exception:
@@ -424,7 +400,7 @@ def windows_getenv(name):
     n = GetEnvironmentVariableW(name, None, 0)
     # GetEnvironmentVariableW returns DWORD, so n cannot be negative.
     if n == 0:
-        err = GetLastError()
+        err = get_last_error()
         if err == ERROR_ENVVAR_NOT_FOUND:
             return None
         raise OSError("Windows error %d attempting to read size of environment variable %r"
@@ -437,7 +413,7 @@ def windows_getenv(name):
     buf = create_unicode_buffer(u'\0'*n)
     retval = GetEnvironmentVariableW(name, buf, n)
     if retval == 0:
-        err = GetLastError()
+        err = get_last_error()
         if err == ERROR_ENVVAR_NOT_FOUND:
             return None
         raise OSError("Windows error %d attempting to read environment variable %r"
@@ -484,7 +460,7 @@ def get_disk_stats(whichdir, reserved_space=0):
                                                byref(n_free_for_root))
         if retval == 0:
             raise OSError("Windows error %d attempting to get disk statistics for %r"
-                          % (GetLastError(), whichdir))
+                          % (get_last_error(), whichdir))
         free_for_nonroot = n_free_for_nonroot.value
         total            = n_total.value
         free_for_root    = n_free_for_root.value