Fix #58: binary file open mode for MIDI and WAVE files

Author: edudobay

mingus/extra/fft.py

@@ -129,7 +129,7 @@ def find_notes(freqTable, maxNote=100):
 def data_from_file(file):
     """Return (first channel data, sample frequency, sample width) from a .wav
     file."""
-    fp = wave.open(file, "r")
+    fp = wave.open(file, "rb")
     data = fp.readframes(fp.getnframes())
     channels = fp.getnchannels()
     freq = fp.getframerate()

mingus/midi/midi_file_in.py

@@ -372,7 +372,7 @@ def parse_midi_file(self, file):
         track data and the number of bytes read.
         """
         try:
-            f = open(file, "r")
+            f = open(file, "rb")
         except:
             raise IOError("File not found")
         self.bytes_read = 0