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-rw-r--r--lib/python2.7/sunaudio.py49
1 files changed, 49 insertions, 0 deletions
diff --git a/lib/python2.7/sunaudio.py b/lib/python2.7/sunaudio.py
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index 0000000..97d7332
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+++ b/lib/python2.7/sunaudio.py
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+"""Interpret sun audio headers."""
+from warnings import warnpy3k
+warnpy3k("the sunaudio module has been removed in Python 3.0; "
+ "use the sunau module instead", stacklevel=2)
+del warnpy3k
+
+
+MAGIC = '.snd'
+
+class error(Exception):
+ pass
+
+
+def get_long_be(s):
+ """Convert a 4-char value to integer."""
+ return (ord(s[0])<<24) | (ord(s[1])<<16) | (ord(s[2])<<8) | ord(s[3])
+
+
+def gethdr(fp):
+ """Read a sound header from an open file."""
+ if fp.read(4) != MAGIC:
+ raise error, 'gethdr: bad magic word'
+ hdr_size = get_long_be(fp.read(4))
+ data_size = get_long_be(fp.read(4))
+ encoding = get_long_be(fp.read(4))
+ sample_rate = get_long_be(fp.read(4))
+ channels = get_long_be(fp.read(4))
+ excess = hdr_size - 24
+ if excess < 0:
+ raise error, 'gethdr: bad hdr_size'
+ if excess > 0:
+ info = fp.read(excess)
+ else:
+ info = ''
+ return (data_size, encoding, sample_rate, channels, info)
+
+
+def printhdr(file):
+ """Read and print the sound header of a named file."""
+ hdr = gethdr(open(file, 'r'))
+ data_size, encoding, sample_rate, channels, info = hdr
+ while info[-1:] == '\0':
+ info = info[:-1]
+ print 'File name: ', file
+ print 'Data size: ', data_size
+ print 'Encoding: ', encoding
+ print 'Sample rate:', sample_rate
+ print 'Channels: ', channels
+ print 'Info: ', repr(info)