From ffe05e602dccbe225ceb56a1657bce588616138a Mon Sep 17 00:00:00 2001
From: Greg Chapman <75333244+gregchapman-dev@users.noreply.github.com>
Date: Sun, 24 Jul 2022 16:19:21 -0700
Subject: [PATCH] Depend on (and install during setup) converter21.

---
 README.md             |  2 +-
 musicdiff/__main__.py | 15 ++++++---------
 pypi_README.md        |  2 +-
 setup.py              |  3 ++-
 4 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/README.md b/README.md
index 11a3c3f..0cf64b5 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ musicdiff is derived from: [music-score-diff](https://github.com/fosfrancesco/mu
     by [Francesco Foscarin](https://github.com/fosfrancesco).
 
 ## Setup
-Depends on [music21](https://pypi.org/project/music21) (version 7.2+) and [numpy](https://pypi.org/project/numpy). You also will need to configure music21 (instructions [here](https://web.mit.edu/music21/doc/usersGuide/usersGuide_01_installing.html)) to display a musical score (e.g. with MuseScore).
+Depends on [music21](https://pypi.org/project/music21) (version 7.2+),  [numpy](https://pypi.org/project/numpy), and [converter21](https://pypi.org/project/converter21). You also will need to configure music21 (instructions [here](https://web.mit.edu/music21/doc/usersGuide/usersGuide_01_installing.html)) to display a musical score (e.g. with MuseScore).
 
 ## Usage
 On the command line:
diff --git a/musicdiff/__main__.py b/musicdiff/__main__.py
index 33a784d..7f3c514 100644
--- a/musicdiff/__main__.py
+++ b/musicdiff/__main__.py
@@ -18,11 +18,8 @@
 from musicdiff import diff
 from musicdiff import DetailLevel
 
-# To use the new Humdrum importer from converter21 in place of the one in music21:
-# pip install converter21
-# Then uncomment all lines in this file marked "# c21"
-# import music21 as m21 # c21
-# from converter21 import HumdrumConverter # c21
+import music21 as m21
+from converter21 import HumdrumConverter
 
 # ------------------------------------------------------------------------------
 
@@ -31,10 +28,10 @@
 '''
 if __name__ == "__main__":
 
-    # to use the new Humdrum importer from converter21 in place of the one in music21...
-    # m21.converter.unregisterSubconverter(m21.converter.subConverters.ConverterHumdrum) # c21
-    # m21.converter.registerSubconverter(HumdrumConverter)                               # c21
-    # print('registered converter21 humdrum importer', file=sys.stderr)                  # c21
+    # Use the new Humdrum importer from converter21 in place of the one in music21...
+    # Comment out these two lines to go back to music21's built-in Humdrum importer.
+    m21.converter.unregisterSubconverter(m21.converter.subConverters.ConverterHumdrum)
+    m21.converter.registerSubconverter(HumdrumConverter)
 
     parser = argparse.ArgumentParser(
                 prog='python3 -m musicdiff',
diff --git a/pypi_README.md b/pypi_README.md
index 47f4922..19994ac 100644
--- a/pypi_README.md
+++ b/pypi_README.md
@@ -7,7 +7,7 @@ musicdiff is derived from: [music-score-diff](https://github.com/fosfrancesco/mu
     by [Francesco Foscarin](https://github.com/fosfrancesco).
 
 ## Setup
-Depends on [music21](https://pypi.org/project/music21) (version 7.2+) and [numpy](https://pypi.org/project/numpy). You also will need to configure music21 (instructions [here](https://web.mit.edu/music21/doc/usersGuide/usersGuide_01_installing.html)) to display a musical score (e.g. with MuseScore).
+Depends on [music21](https://pypi.org/project/music21) (version 7.2+),  [numpy](https://pypi.org/project/numpy), and [converter21](https://pypi.org/project/converter21). You also will need to configure music21 (instructions [here](https://web.mit.edu/music21/doc/usersGuide/usersGuide_01_installing.html)) to display a musical score (e.g. with MuseScore).
 
 ## Usage
 On the command line:
diff --git a/setup.py b/setup.py
index 11a1487..3fa4ca1 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
 from setuptools import setup, find_packages
 import pathlib
 
-musicdiffversion = '1.2.0'
+musicdiffversion = '1.3.0'
 
 here = pathlib.Path(__file__).parent.resolve()
 
@@ -61,6 +61,7 @@
         install_requires=[
             'music21>=7.2',
             'numpy',
+            'converter21>=1.2'
         ],
 
         project_urls={