Update text/__init__.py

text/__init__.py

@@ -1,8 +1,14 @@
 """ from https://github.com/keithito/tacotron """
 from text import cleaners
+from text.symbols import symbols
 
 
-def text_to_sequence(text, symbols, cleaner_names):
+# Mappings from symbol to numeric ID and vice versa:
+_symbol_to_id = {s: i for i, s in enumerate(symbols)}
+_id_to_symbol = {i: s for i, s in enumerate(symbols)}
+
+
+def text_to_sequence(text, cleaner_names):
   '''Converts a string of text to a sequence of IDs corresponding to the symbols in the text.
     Args:
       text: string to convert to a sequence
@@ -10,8 +16,6 @@ def text_to_sequence(text, symbols, cleaner_names):
     Returns:
       List of integers corresponding to the symbols in the text
   '''
-  _symbol_to_id = {s: i for i, s in enumerate(symbols)}
-
   sequence = []
 
   clean_text = _clean_text(text, cleaner_names)
@@ -23,6 +27,26 @@ def text_to_sequence(text, symbols, cleaner_names):
   return sequence
 
 
+def cleaned_text_to_sequence(cleaned_text):
+  '''Converts a string of text to a sequence of IDs corresponding to the symbols in the text.
+    Args:
+      text: string to convert to a sequence
+    Returns:
+      List of integers corresponding to the symbols in the text
+  '''
+  sequence = [_symbol_to_id[symbol] for symbol in cleaned_text if symbol in _symbol_to_id.keys()]
+  return sequence
+
+
+def sequence_to_text(sequence):
+  '''Converts a sequence of IDs back to a string'''
+  result = ''
+  for symbol_id in sequence:
+    s = _id_to_symbol[symbol_id]
+    result += s
+  return result
+
+
 def _clean_text(text, cleaner_names):
   for name in cleaner_names:
     cleaner = getattr(cleaners, name)