first add files

1 files changed, 54 insertions, 0 deletions

diff --git a/lib/Crypto/Util/_file_system.py b/lib/Crypto/Util/_file_system.py
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index 0000000..1cb0c4b
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+++ b/lib/Crypto/Util/_file_system.py
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+# ===================================================================
+#
+# Copyright (c) 2016, Legrandin <helderijs@gmail.com>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+# ===================================================================
+
+import os
+
+
+def pycryptodome_filename(dir_comps, filename):
+    """Return the complete file name for the module
+
+    dir_comps : list of string
+        The list of directory names in the PyCryptodome package.
+        The first element must be "Crypto".
+
+    filename : string
+        The filename (inclusing extension) in the target directory.
+    """
+
+    if dir_comps[0] != "Crypto":
+        raise ValueError("Only available for modules under 'Crypto'")
+
+    dir_comps = list(dir_comps[1:]) + [filename]
+
+    util_lib, _ = os.path.split(os.path.abspath(__file__))
+    root_lib = os.path.join(util_lib, "..")
+
+    return os.path.join(root_lib, *dir_comps)
+