Rename "morituri" module to "whipper".

Fixes https://github.com/JoeLametta/whipper/issues/100

whipper/common/path.py

@@ -0,0 +1,68 @@
+# -*- Mode: Python; test-case-name: whipper.test.test_common_path -*-
+# vi:si:et:sw=4:sts=4:ts=4
+
+# Morituri - for those about to RIP
+
+# Copyright (C) 2009 Thomas Vander Stichele
+
+# This file is part of whipper.
+#
+# whipper is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# whipper is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with whipper.  If not, see <http://www.gnu.org/licenses/>.
+
+import re
+
+
+class PathFilter(object):
+    """
+    I filter path components for safe storage on file systems.
+    """
+
+    def __init__(self, slashes=True, quotes=True, fat=True, special=False):
+        """
+        @param slashes: whether to convert slashes to dashes
+        @param quotes:  whether to normalize quotes
+        @param fat:     whether to strip characters illegal on FAT filesystems
+        @param special: whether to strip special characters
+        """
+        self._slashes = slashes
+        self._quotes = quotes
+        self._fat = fat
+        self._special = special
+
+    def filter(self, path):
+        if self._slashes:
+            path = re.sub(r'[/\\]', '-', path, re.UNICODE)
+
+        def separators(path):
+            # replace separators with a space-hyphen or hyphen
+            path = re.sub(r'[:]', ' -', path, re.UNICODE)
+            path = re.sub(r'[\|]', '-', path, re.UNICODE)
+            return path
+
+        # change all fancy single/double quotes to normal quotes
+        if self._quotes:
+            path = re.sub(ur'[\xc2\xb4\u2018\u2019\u201b]', "'", path,
+                re.UNICODE)
+            path = re.sub(ur'[\u201c\u201d\u201f]', '"', path, re.UNICODE)
+
+        if self._special:
+            path = separators(path)
+            path = re.sub(r'[\*\?&!\'\"\$\(\)`{}\[\]<>]', '_', path, re.UNICODE)
+
+        if self._fat:
+            path = separators(path)
+            # : and | already gone, but leave them here for reference
+            path = re.sub(r'[:\*\?"<>|"]', '_', path, re.UNICODE)
+
+        return path