From a21992a9015c87a17c355370f278790e1d27af8b Mon Sep 17 00:00:00 2001
From: UtaUtaUtau <jmctayag@gmail.com>
Date: Thu, 11 Jun 2020 19:20:15 +0800
Subject: [PATCH] Added deepcopy functions

The function copy() has been added to classes Envelope, Mode1Pitch, Mode2Pitch, Vibrato, and Note
---
 README.md | 15 +++++++++++++++
 pyutau.py | 20 +++++++++++++++++++-
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index ef70a33..a7dc70c 100644
--- a/README.md
+++ b/README.md
@@ -123,6 +123,9 @@ A class that stores note data.
   
   <dt>set_multiple_data(self, **kwargs)</dt>
   <dd>Sets multiple data because note_data is a dictionary. Just.. yeah.</dd>
+
+  <dt>copy(self)</dt>
+  <dd>Returns a deep copy of the note.</dd>
 </dl>
 
 ***Setters and Getters***
@@ -189,6 +192,9 @@ A class for storing envelope data. Largely based on how delta's library stores e
   
   <dt>set_all(self, *args)</dt>
   <dd>Sets all of the parameters of the envelope to the arguments. Order of arguments is p1, p2, p3, v1, v2, v3, v4, (A '%' can be here, copes with UTAU's weirdness), p4, p5, v5.</dd>
+
+  <dt>copy(self)</dt>
+  <dd>Returns a deep copy of the envelope.</dd>
 </dl>
 
 Mode1Pitch
@@ -233,6 +239,9 @@ A class for storing Mode1 pitchbend data. I gave my least efforts on this.
   
   <dt>get(self)</dt>
   <dd>Returns a dictionary with keys PBStart and PitchBend and values of the string representations.</dd>
+
+  <dt>copy(self)</dt>
+  <dd>Returns a deep copy of the Mode1 pitchbend data.</dd>
 </dl>
 
 Mode2Pitch
@@ -284,6 +293,9 @@ A class for Mode2 pitchbend data.
   
   <dt>get(self)</dt>
   <dd>Returns a dictionary with keys PBS, PBW, PBY, and PBM with its values as their corresponding data in their string representations.</dd>
+
+  <dt>copy(self)</dt>
+  <dd>Returns a deep copy of the Mode2 pitchbend data.</dd>
 </dl>
 
 Vibrato
@@ -323,6 +335,9 @@ A class for storing Mode2 vibrato data.
   <dt>__str__(self)</dt>
   <dt>get(self)</dt>
   <dd>Returns the string representation of vibrato.</dd>
+
+  <dt>copy(self)</dt>
+  <dd>Returns a deep copy of the vibrato.</dd>
 </dl>
 
 ---
diff --git a/pyutau.py b/pyutau.py
index ba514b2..f50a30c 100644
--- a/pyutau.py
+++ b/pyutau.py
@@ -49,6 +49,9 @@ def __str__(self):
     def get(self):
         return str(self)
 
+    def copy(self):
+        return Envelope(self.get())
+
 #Mode1 Pitch Class. Honestly, I don't really like Mode1. I feel like someone's gonna need this tho so.
 class Mode1Pitch:
     def __init__(self, PBStart = '', PitchBend = ''):
@@ -73,6 +76,9 @@ def get(self):
         res['PBStart'] = self.get_start_time()
         return res
 
+    def copy(self):
+        return Mode1Pitch(self.get_start_time(), self.get_pitches())
+
 #Mode2 Pitch class. Returns a dictionary of string values for get
 class Mode2Pitch:
     def __init__(self, PBS = '-25', PBW = '50', PBY = '0', PBM = ''):
@@ -123,7 +129,10 @@ def get(self):
         res['PBM'] = self.get_pbm()
 
         return res
-        
+
+    def copy(self):
+        return Mode2Pitch(self.get_pbs(), self.get_pbw(), self.get_pby(), self.get_pbm())    
+    
 #Mode2 Vibrato class. This just deals with vibrato.
 class Vibrato:
     def __init__(self, VBR = ''):
@@ -153,6 +162,9 @@ def __str__(self):
 
     def get(self):
         return str(self)
+
+    def copy(self):
+        return Vibrato(self.get())
     
 
 #Note class. Biggest class of all. Stores note data with corresponding classes for "special" data.
@@ -170,6 +182,12 @@ def __init__(self, note_type = 'INSERT'):
             'NoteNum' : '60',
             'PreUtterance' : None
         }
+    
+    def copy(self):
+        res = Note(self.note_type)
+        res.isdeleted = self.isdeleted
+        res.set_multiple_data(self.note_data)
+        return res
 
     def delete_note(self):
         #Sets Note type to DELETE. This deletes the note... I hope I don't need to change note order for this.