Add xrni comment command line utility

rnsutils/instrument.py

@@ -173,7 +173,10 @@ class RenoiseInstrument(object):
 
     @property
     def comment(self):
-        return "\n".join(self.root.GlobalProperties.Comments.Comment)
+        try:
+            return "\n".join([comment.pyval for comment in self.root.GlobalProperties.Comments.Comment])
+        except AttributeError:
+            return None
 
     @comment.setter
     def comment(self, value):

rnsutils/xrnicomment.py

@@ -0,0 +1,85 @@
+# xrnicomment. manipulate XRNI comments
+# Copyright (C) 2016  Olivier Jolly
+#
+# This program 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.
+#
+# This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from __future__ import print_function
+
+import argparse
+import logging
+import sys
+
+import os
+
+from rnsutils.instrument import RenoiseInstrument
+
+__date__ = '2016-02-02'
+__updated__ = '2016-02-02'
+__author__ = 'olivier@pcedev.com'
+
+ACTION_VIEW = 0
+ACTION_EDIT = 1
+ACTION_DELETE = 2
+
+
+def main(argv=None):
+    program_name = os.path.basename(sys.argv[0])
+    program_version = "v0.8"
+    program_build_date = "%s" % __updated__
+
+    program_version_string = '%%prog %s (%s)' % (program_version, program_build_date)
+    program_longdesc = '''Display or change XRNI comments'''
+    program_license = "GPL v3+ 2016 Olivier Jolly"
+
+    if argv is None:
+        argv = sys.argv[1:]
+
+    try:
+        parser = argparse.ArgumentParser(epilog=program_longdesc,
+                                         description=program_license)
+        parser.add_argument("-d", "--debug", dest="debug", action="store_true",
+                            default=False,
+                            help="debug parsing [default: %(default)s]")
+        parser.add_argument("-e", "--edit", dest="action", action="store_const", default=ACTION_VIEW, const=ACTION_EDIT,
+                            help="edit comment with standard input content")
+        parser.add_argument("-r", "--remove", dest="action", action="store_const", const=ACTION_DELETE,
+                            help="remove comment")
+        parser.add_argument("-v", "--view", dest="action", action="store_const", const=ACTION_VIEW,
+                            help="view comment [default action]")
+
+        parser.add_argument("xrni_filename", help="input file in XRNI format", nargs="+")
+
+        # process options
+        opts = parser.parse_args(argv)
+
+    except Exception as e:
+        indent = len(program_name) * " "
+        sys.stderr.write(program_name + ": " + repr(e) + "\n")
+        sys.stderr.write(indent + "  for help use --help")
+        return 2
+
+    if opts.debug:
+        logging.root.setLevel(logging.DEBUG)
+    else:
+        logging.root.setLevel(logging.INFO)
+
+    for xrni_filename in opts.xrni_filename:
+        renoise_instrument = RenoiseInstrument(xrni_filename)
+        print(renoise_instrument.comment)
+
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())

setup.py

@@ -119,6 +119,7 @@ setup(
             'sf2toxrni=rnsutils.sf2toxrni:main',
             'sfztoxrni=rnsutils.sfztoxrni:main',
             'xrnireencode=rnsutils.xrnireencode:main',
+            'xrnicomment=rnsutils.xrnicomment:main',
         ],
     },