* morituri/test/cdparanoia.progress (added):

* morituri/test/test_program_cdparanoia.py (added):
	* morituri/program/__init__.py (added):
	* morituri/program/cdparanoia.py (added):
	  Add a module to wrap cdparanoia.  Add a test for parsing
	  the progress report output.

ChangeLog

@@ -1,3 +1,12 @@
+2009-05-01  Thomas Vander Stichele  <thomas at apestaart dot org>
+
+	* morituri/test/cdparanoia.progress (added):
+	* morituri/test/test_program_cdparanoia.py (added):
+	* morituri/program/__init__.py (added):
+	* morituri/program/cdparanoia.py (added):
+	  Add a module to wrap cdparanoia.  Add a test for parsing
+	  the progress report output.
+
 2009-05-01  Thomas Vander Stichele  <thomas at apestaart dot org>
 
 	* morituri/common/checksum.py:

morituri/program/cdparanoia.py

@@ -0,0 +1,50 @@
+# -*- Mode: Python; test-case-name: morituri.test.test_program_cdparanoia -*-
+# vi:si:et:sw=4:sts=4:ts=4
+
+# Morituri - for those about to RIP
+
+# Copyright (C) 2009 Thomas Vander Stichele
+
+# This file is part of morituri.
+# 
+# morituri 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.
+# 
+# morituri 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 morituri.  If not, see <http://www.gnu.org/licenses/>.
+
+import re
+
+_PROGRESS_RE = re.compile(r"""
+    ^\#\#: (?P<code>.+)\s      # function code
+    \[(?P<function>.*)\]\s@\s     # function name
+    (?P<offset>\d+)        # offset
+""", re.VERBOSE)
+
+# from reading cdparanoia source code, it looks like offset is reported in
+# number of single-channel samples, ie. 2 bytes per unit
+class ProgressParser(object):
+    read = 0
+
+    def parse(self, line):
+        """
+        Parse a line.
+        """
+        m = _PROGRESS_RE.search(line)
+        if m:
+            code = int(m.group('code'))
+            function = m.group('function')
+            offset = int(m.group('offset'))
+            if function == 'read':
+                if offset % 1176 != 0:
+                    print 'THOMAS: not a multiple of 2532', offset
+                    print line
+                else:
+                    self.read = offset / 1176

morituri/test/test_program_cdparanoia.py

@@ -0,0 +1,19 @@
+# -*- Mode: Python; test-case-name: morituri.test.test_program_cdparanoia -*-
+# vi:si:et:sw=4:sts=4:ts=4
+
+import os
+import unittest
+
+from morituri.program import cdparanoia
+
+class ParseTestCase(unittest.TestCase):
+    def setUp(self):
+        path = os.path.join(os.path.dirname(__file__),
+            'cdparanoia.progress')
+        self._parser = cdparanoia.ProgressParser()
+
+        self._handle = open(path)
+
+    def testParse(self):
+        for line in self._handle.readlines():
+            self._parser.parse(line)