add jaraco to test sym links on Windows. Fixes #894

libs/jaraco/windows/api/credential.py

@@ -0,0 +1,59 @@
+"""
+Support for Credential Vault
+"""
+
+import ctypes
+from ctypes.wintypes import DWORD, LPCWSTR, BOOL, LPWSTR, FILETIME
+
+try:
+	from ctypes.wintypes import LPBYTE
+except ImportError:
+	LPBYTE = ctypes.POINTER(ctypes.wintypes.BYTE)
+
+class CredentialAttribute(ctypes.Structure):
+	_fields_ = []
+
+class Credential(ctypes.Structure):
+	_fields_ = [
+		('flags', DWORD),
+		('type', DWORD),
+		('target_name', LPWSTR),
+		('comment', LPWSTR),
+		('last_written', FILETIME),
+		('credential_blob_size', DWORD),
+		('credential_blob', LPBYTE),
+		('persist', DWORD),
+		('attribute_count', DWORD),
+		('attributes', ctypes.POINTER(CredentialAttribute)),
+		('target_alias', LPWSTR),
+		('user_name', LPWSTR),
+	]
+
+	def __del__(self):
+		ctypes.windll.advapi32.CredFree(ctypes.byref(self))
+
+PCREDENTIAL = ctypes.POINTER(Credential)
+
+CredRead = ctypes.windll.advapi32.CredReadW
+CredRead.argtypes = (
+	LPCWSTR, # TargetName
+	DWORD, # Type
+	DWORD, # Flags
+	ctypes.POINTER(PCREDENTIAL), # Credential
+)
+CredRead.restype = BOOL
+
+CredWrite = ctypes.windll.advapi32.CredWriteW
+CredWrite.argtypes = (
+	PCREDENTIAL, # Credential
+	DWORD, # Flags
+)
+CredWrite.restype = BOOL
+
+CredDelete = ctypes.windll.advapi32.CredDeleteW
+CredDelete.argtypes = (
+	LPCWSTR, # TargetName
+	DWORD, # Type
+	DWORD, # Flags
+)
+CredDelete.restype = BOOL