Initial import

ebook_converter/utils/mreplace.py

@@ -0,0 +1,44 @@
+# multiple replace from dictionnary : http://code.activestate.com/recipes/81330/
+from __future__ import unicode_literals
+__license__   = 'GPL v3'
+__copyright__ = '2010, sengian <sengian1 @ gmail.com>'
+__docformat__ = 'restructuredtext en'
+
+import re
+try:
+    from collections import UserDict
+except ImportError:
+    from UserDict import UserDict
+
+
+class MReplace(UserDict):
+
+    def __init__(self, data=None, case_sensitive=True):
+        UserDict.__init__(self, data)
+        self.re = None
+        self.regex = None
+        self.case_sensitive = case_sensitive
+        self.compile_regex()
+
+    def compile_regex(self):
+        if len(self.data) > 0:
+            keys = sorted(self.data, key=len, reverse=True)
+            if isinstance(keys[0], bytes):
+                tmp = b"(%s)" % b"|".join(map(re.escape, keys))
+            else:
+                tmp = "(%s)" % "|".join(map(re.escape, keys))
+            if self.re != tmp:
+                self.re = tmp
+                if self.case_sensitive:
+                    self.regex = re.compile(self.re)
+                else:
+                    self.regex = re.compile(self.re, re.I)
+
+    def __call__(self, mo):
+        return self[mo.string[mo.start():mo.end()]]
+
+    def mreplace(self, text):
+        # Replace without regex compile
+        if len(self.data) < 1 or self.re is None:
+            return text
+        return self.regex.sub(self, text)